{
  "schema_version": "sec-filing-inventory-2.0",
  "retrieval_date": "2026-08-06",
  "as_of_date": "2026-08-06",
  "issuer_name": "FASTENAL CO",
  "cik": "0000815556",
  "ticker": null,
  "regime": "us-domestic",
  "source": "SEC EDGAR",
  "submissions_url": "https://data.sec.gov/submissions/CIK0000815556.json",
  "continuation_files": [
    {
      "name": "CIK0000815556-submissions-001.json",
      "status": "loaded",
      "row_count": 773
    }
  ],
  "inventory_row_count": 1774,
  "required_family_inventory_count": 1347,
  "selected_filing_count": 57,
  "reading_window_filing_count": 57,
  "download_mode": "primary",
  "requested_forms": [
    "10-K",
    "10-Q",
    "8-K",
    "Form 4"
  ],
  "max_filings": 150,
  "all_history_requested": false,
  "dry_run": false,
  "form_coverage": {
    "10-K": {
      "attempted": true,
      "lookback": "1 years from 2026-08-06",
      "available_all_history": 28,
      "indexed": 28,
      "in_reading_window": 1,
      "selected_for_download": 1,
      "downloaded": 1,
      "read": 0,
      "read_excluded": 0,
      "excluded": 27,
      "amendments": 2,
      "absence_verified": false,
      "exclusion_reasons": [
        "Outside the selected archive window; rerun with --all-history"
      ],
      "reading_exclusion_reasons": [],
      "limited_by_max_filings": 0
    },
    "10-Q": {
      "attempted": true,
      "lookback": "1 years from 2026-08-06",
      "available_all_history": 80,
      "indexed": 80,
      "in_reading_window": 3,
      "selected_for_download": 3,
      "downloaded": 3,
      "read": 0,
      "read_excluded": 0,
      "excluded": 77,
      "amendments": 1,
      "absence_verified": false,
      "exclusion_reasons": [
        "Outside the selected archive window; rerun with --all-history"
      ],
      "reading_exclusion_reasons": [],
      "limited_by_max_filings": 0
    },
    "8-K": {
      "attempted": true,
      "lookback": "1 years from 2026-08-06",
      "available_all_history": 283,
      "indexed": 283,
      "in_reading_window": 11,
      "selected_for_download": 11,
      "downloaded": 11,
      "read": 0,
      "read_excluded": 0,
      "excluded": 272,
      "amendments": 6,
      "absence_verified": false,
      "exclusion_reasons": [
        "Outside the selected archive window; rerun with --all-history"
      ],
      "reading_exclusion_reasons": [],
      "limited_by_max_filings": 0
    },
    "Form 4": {
      "attempted": true,
      "lookback": "1 years from 2026-08-06",
      "available_all_history": 956,
      "indexed": 956,
      "in_reading_window": 42,
      "selected_for_download": 42,
      "downloaded": 0,
      "read": 0,
      "read_excluded": 0,
      "excluded": 914,
      "amendments": 77,
      "absence_verified": false,
      "exclusion_reasons": [
        "Outside the selected archive window; rerun with --all-history"
      ],
      "reading_exclusion_reasons": [],
      "limited_by_max_filings": 0
    }
  },
  "sec_filing_inventory": {
    "cik": "0000815556",
    "filer_status": "us-domestic",
    "inventory_complete": true,
    "all_available_history_inventoried": true,
    "full_history_inventoried": true,
    "continuation_files_checked": true,
    "all_required_form_filings_downloaded_or_excluded": false,
    "material_exhibits_accounted_for": false,
    "coverage_start": "2000-07-21",
    "coverage_end": "2026-07-29",
    "reading_window_start": "2025-08-06",
    "reading_window_end": "2026-08-06",
    "forms": {
      "10-K": {
        "attempted": true,
        "lookback": "1 years from 2026-08-06",
        "available_all_history": 28,
        "indexed": 28,
        "in_reading_window": 1,
        "selected_for_download": 1,
        "downloaded": 1,
        "read": 0,
        "read_excluded": 0,
        "excluded": 27,
        "amendments": 2,
        "absence_verified": false,
        "exclusion_reasons": [
          "Outside the selected archive window; rerun with --all-history"
        ],
        "reading_exclusion_reasons": [],
        "limited_by_max_filings": 0
      },
      "10-Q": {
        "attempted": true,
        "lookback": "1 years from 2026-08-06",
        "available_all_history": 80,
        "indexed": 80,
        "in_reading_window": 3,
        "selected_for_download": 3,
        "downloaded": 3,
        "read": 0,
        "read_excluded": 0,
        "excluded": 77,
        "amendments": 1,
        "absence_verified": false,
        "exclusion_reasons": [
          "Outside the selected archive window; rerun with --all-history"
        ],
        "reading_exclusion_reasons": [],
        "limited_by_max_filings": 0
      },
      "8-K": {
        "attempted": true,
        "lookback": "1 years from 2026-08-06",
        "available_all_history": 283,
        "indexed": 283,
        "in_reading_window": 11,
        "selected_for_download": 11,
        "downloaded": 11,
        "read": 0,
        "read_excluded": 0,
        "excluded": 272,
        "amendments": 6,
        "absence_verified": false,
        "exclusion_reasons": [
          "Outside the selected archive window; rerun with --all-history"
        ],
        "reading_exclusion_reasons": [],
        "limited_by_max_filings": 0
      },
      "Form 4": {
        "attempted": true,
        "lookback": "1 years from 2026-08-06",
        "available_all_history": 956,
        "indexed": 956,
        "in_reading_window": 42,
        "selected_for_download": 42,
        "downloaded": 0,
        "read": 0,
        "read_excluded": 0,
        "excluded": 914,
        "amendments": 77,
        "absence_verified": false,
        "exclusion_reasons": [
          "Outside the selected archive window; rerun with --all-history"
        ],
        "reading_exclusion_reasons": [],
        "limited_by_max_filings": 0
      }
    }
  },
  "source_coverage_document_rows_template": [
    {
      "document_id": "0001454708-26-000006",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-07-28",
      "filing_date": "2026-07-29",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000006/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000041",
      "document_type": "10-Q",
      "form_type": "10-Q",
      "period": "2026-06-30",
      "filing_date": "2026-07-16",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000041/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000043",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2025-12-19",
      "filing_date": "2026-07-16",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000043/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000037",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2026-07-14",
      "filing_date": "2026-07-14",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000037/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000035",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2026-06-18",
      "filing_date": "2026-06-23",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000035/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000033",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2026-06-12",
      "filing_date": "2026-06-12",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000033/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000027",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2026-04-23",
      "filing_date": "2026-04-29",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000027/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001454708-26-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-04-24",
      "filing_date": "2026-04-27",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000025",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2026-04-23",
      "filing_date": "2026-04-24",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000025/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000022",
      "document_type": "10-Q",
      "form_type": "10-Q",
      "period": "2026-03-31",
      "filing_date": "2026-04-16",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000022/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000019",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2026-04-13",
      "filing_date": "2026-04-13",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000019/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001246432-26-000006",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-03-05",
      "filing_date": "2026-03-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000124643226000006/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001660150-26-000007",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-04-07",
      "filing_date": "2026-02-10",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000007/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000009",
      "document_type": "10-K",
      "form_type": "10-K",
      "period": "2025-12-31",
      "filing_date": "2026-02-05",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000009/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001256632-26-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-23",
      "filing_date": "2026-01-27",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000125663226000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001607149-26-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-08-08",
      "filing_date": "2026-01-27",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714926000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001660150-26-000005",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-04-07",
      "filing_date": "2026-01-27",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000005/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-26-000003",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2026-01-20",
      "filing_date": "2026-01-20",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000003/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001017427-26-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742726000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001967942-26-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000196794226000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001529734-26-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000152973426000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001691831-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000169183126000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001017427-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742726000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0002043506-26-000003",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000204350626000003/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001691805-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000169180526000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001997967-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000199796726000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0002097365-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000209736526000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001607149-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714926000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001660150-26-000003",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000003/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001418483-26-000003",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000141848326000003/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001589160-26-000005",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000158916026000005/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001540958-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000154095826000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001454708-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001821543-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154326000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001246432-26-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000124643226000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001980698-26-000003",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000198069826000003/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001256632-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000125663226000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001554387-26-000003",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000155438726000003/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001344393-26-000002",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2026-01-02",
      "filing_date": "2026-01-06",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000134439326000002/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001017427-25-000006",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-08-12",
      "filing_date": "2025-12-23",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742725000006/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-25-000123",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2025-12-19",
      "filing_date": "2025-12-22",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000123/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001454708-25-000009",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-12-12",
      "filing_date": "2025-12-15",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000009/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001675882-25-000003",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-11-17",
      "filing_date": "2025-11-21",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000167588225000003/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001344393-25-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-11-19",
      "filing_date": "2025-11-20",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000134439325000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001454708-25-000007",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-11-18",
      "filing_date": "2025-11-20",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000007/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001821543-25-000010",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-11-13",
      "filing_date": "2025-11-14",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000010/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001821543-25-000008",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-11-13",
      "filing_date": "2025-11-14",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000008/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001540958-25-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-11-12",
      "filing_date": "2025-11-13",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000154095825000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-25-000121",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2025-10-30",
      "filing_date": "2025-11-03",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000121/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-25-000119",
      "document_type": "10-Q",
      "form_type": "10-Q",
      "period": "2025-09-30",
      "filing_date": "2025-10-16",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000119/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001821543-25-000006",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-10-16",
      "filing_date": "2025-10-16",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000006/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001454708-25-000005",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-10-14",
      "filing_date": "2025-10-16",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000005/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0000815556-25-000116",
      "document_type": "8-K",
      "form_type": "8-K",
      "period": "2025-10-13",
      "filing_date": "2025-10-14",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000116/",
      "access_date": "2026-08-06",
      "retrieval_status": "downloaded",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001691831-25-000003",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-08-15",
      "filing_date": "2025-08-18",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000169183125000003/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001017427-25-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-08-12",
      "filing_date": "2025-08-14",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742725000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001607149-25-000006",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-08-08",
      "filing_date": "2025-08-12",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714925000006/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    },
    {
      "document_id": "0001691805-25-000004",
      "document_type": "Form 4",
      "form_type": "Form 4",
      "period": "2025-08-08",
      "filing_date": "2025-08-12",
      "source": "SEC EDGAR",
      "source_url": "https://www.sec.gov/Archives/edgar/data/815556/000169180525000004/",
      "access_date": "2026-08-06",
      "retrieval_status": "retrieved",
      "read_status": "not_read",
      "in_reading_window": true,
      "used_in_analysis": false,
      "official_filing_reviewed": false,
      "filing_index_retrieved": true,
      "material_exhibits_reviewed": false,
      "primary_source": true,
      "fallback_reason": null,
      "location_coverage": "Not read; update after complete review"
    }
  ],
  "selected_filings": [
    {
      "accessionNumber": "0001454708-26-000006",
      "filingDate": "2026-07-29",
      "reportDate": "2026-07-28",
      "acceptanceDateTime": "2026-07-29T16:13:34.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 9442,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": 0,
      "primaryDocument": "xslF345X06/wk-form4_1785356011.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-26-000041",
      "filingDate": "2026-07-16",
      "reportDate": "2026-06-30",
      "acceptanceDateTime": "2026-07-16T14:50:41.000Z",
      "act": "34",
      "form": "10-Q",
      "fileNumber": "000-16125",
      "filmNumber": "261179861",
      "items": "",
      "core_type": "XBRL",
      "size": 5314724,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 1,
      "primaryDocument": "fast-20260630.htm",
      "primaryDocDescription": "10-Q",
      "family": "10-Q"
    },
    {
      "accessionNumber": "0000815556-26-000043",
      "filingDate": "2026-07-16",
      "reportDate": "2025-12-19",
      "acceptanceDateTime": "2026-07-16T16:05:10.000Z",
      "act": "34",
      "form": "8-K/A",
      "fileNumber": "000-16125",
      "filmNumber": "261180399",
      "items": "5.02",
      "core_type": "XBRL",
      "size": 149825,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20251219.htm",
      "primaryDocDescription": "8-K/A",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000037",
      "filingDate": "2026-07-14",
      "reportDate": "2026-07-14",
      "acceptanceDateTime": "2026-07-14T08:01:18.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "261172564",
      "items": "2.02,9.01",
      "core_type": "XBRL",
      "size": 622798,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260714.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000035",
      "filingDate": "2026-06-23",
      "reportDate": "2026-06-18",
      "acceptanceDateTime": "2026-06-23T16:05:26.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "261111047",
      "items": "1.01,2.03,9.01",
      "core_type": "XBRL",
      "size": 36433943,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260618.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000033",
      "filingDate": "2026-06-12",
      "reportDate": "2026-06-12",
      "acceptanceDateTime": "2026-06-12T16:05:17.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "261086543",
      "items": "5.02",
      "core_type": "XBRL",
      "size": 146696,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260612.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000027",
      "filingDate": "2026-04-29",
      "reportDate": "2026-04-23",
      "acceptanceDateTime": "2026-04-29T16:05:40.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "26915848",
      "items": "5.02,9.01",
      "core_type": "XBRL",
      "size": 148225,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260423.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001454708-26-000004",
      "filingDate": "2026-04-27",
      "reportDate": "2026-04-24",
      "acceptanceDateTime": "2026-04-27T17:58:50.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 8039,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": 0,
      "primaryDocument": "xslF345X06/wk-form4_1777327127.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-26-000025",
      "filingDate": "2026-04-24",
      "reportDate": "2026-04-23",
      "acceptanceDateTime": "2026-04-24T16:10:37.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "26893892",
      "items": "5.07,9.01",
      "core_type": "XBRL",
      "size": 325486,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260423.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000022",
      "filingDate": "2026-04-16",
      "reportDate": "2026-03-31",
      "acceptanceDateTime": "2026-04-16T10:46:29.000Z",
      "act": "34",
      "form": "10-Q",
      "fileNumber": "000-16125",
      "filmNumber": "26866143",
      "items": "",
      "core_type": "XBRL",
      "size": 4571479,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 1,
      "primaryDocument": "fast-20260331.htm",
      "primaryDocDescription": "10-Q",
      "family": "10-Q"
    },
    {
      "accessionNumber": "0000815556-26-000019",
      "filingDate": "2026-04-13",
      "reportDate": "2026-04-13",
      "acceptanceDateTime": "2026-04-13T08:07:12.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "26856502",
      "items": "2.02,9.01",
      "core_type": "XBRL",
      "size": 529017,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260413.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001246432-26-000006",
      "filingDate": "2026-03-06",
      "reportDate": "2026-03-05",
      "acceptanceDateTime": "2026-03-06T17:25:42.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 8519,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1772835939.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001660150-26-000007",
      "filingDate": "2026-02-10",
      "reportDate": "2025-04-07",
      "acceptanceDateTime": "2026-02-10T16:17:30.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 7676,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1770758247.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-26-000009",
      "filingDate": "2026-02-05",
      "reportDate": "2025-12-31",
      "acceptanceDateTime": "2026-02-05T12:01:20.000Z",
      "act": "34",
      "form": "10-K",
      "fileNumber": "000-16125",
      "filmNumber": "26601457",
      "items": "",
      "core_type": "XBRL",
      "size": 9384184,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20251231.htm",
      "primaryDocDescription": "10-K",
      "family": "10-K"
    },
    {
      "accessionNumber": "0001256632-26-000004",
      "filingDate": "2026-01-27",
      "reportDate": "2026-01-23",
      "acceptanceDateTime": "2026-01-27T14:34:47.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 8524,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1769542485.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001607149-26-000004",
      "filingDate": "2026-01-27",
      "reportDate": "2025-08-08",
      "acceptanceDateTime": "2026-01-27T14:33:55.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 10531,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1769542433.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001660150-26-000005",
      "filingDate": "2026-01-27",
      "reportDate": "2025-04-07",
      "acceptanceDateTime": "2026-01-27T14:33:12.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 6979,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1769542389.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-26-000003",
      "filingDate": "2026-01-20",
      "reportDate": "2026-01-20",
      "acceptanceDateTime": "2026-01-20T08:17:21.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "26541191",
      "items": "2.02,9.01",
      "core_type": "XBRL",
      "size": 641542,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20260120.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001017427-26-000004",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T16:38:29.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 5698,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1767735504.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001967942-26-000004",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T15:18:33.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5356,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767730710.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001529734-26-000004",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T15:16:48.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5396,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767730605.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001691831-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:10:33.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5306,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719430.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001017427-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:09:40.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5282,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719377.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0002043506-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:07:36.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5295,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719253.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001691805-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:06:26.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5318,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719184.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001997967-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:05:35.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5308,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719132.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0002097365-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:04:51.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5273,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719088.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001607149-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:03:50.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5303,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719027.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001660150-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:03:01.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5294,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718978.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001418483-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:02:17.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5286,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718934.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001589160-26-000005",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:01:19.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5353,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718876.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001540958-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:59:43.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5355,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718780.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001454708-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:58:28.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5365,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718704.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001821543-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:57:28.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5362,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718645.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001246432-26-000004",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:56:31.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5466,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718589.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001980698-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:55:22.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5424,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718519.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001256632-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:54:27.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5379,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718465.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001554387-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:52:50.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5355,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718367.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001344393-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:51:27.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5352,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718284.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001017427-25-000006",
      "filingDate": "2025-12-23",
      "reportDate": "2025-08-12",
      "acceptanceDateTime": "2025-12-23T17:09:56.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 10486,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1766527791.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-25-000123",
      "filingDate": "2025-12-22",
      "reportDate": "2025-12-19",
      "acceptanceDateTime": "2025-12-22T08:16:45.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "251589543",
      "items": "5.02,7.01,9.01",
      "core_type": "XBRL",
      "size": 353313,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20251219.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001454708-25-000009",
      "filingDate": "2025-12-15",
      "reportDate": "2025-12-12",
      "acceptanceDateTime": "2025-12-15T12:12:30.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 7899,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1765818747.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001675882-25-000003",
      "filingDate": "2025-11-21",
      "reportDate": "2025-11-17",
      "acceptanceDateTime": "2025-11-21T15:26:04.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4857,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763756761.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001344393-25-000004",
      "filingDate": "2025-11-20",
      "reportDate": "2025-11-19",
      "acceptanceDateTime": "2025-11-20T13:21:43.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4646,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763662900.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001454708-25-000007",
      "filingDate": "2025-11-20",
      "reportDate": "2025-11-18",
      "acceptanceDateTime": "2025-11-20T12:54:09.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 7941,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763661246.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001821543-25-000010",
      "filingDate": "2025-11-14",
      "reportDate": "2025-11-13",
      "acceptanceDateTime": "2025-11-14T18:18:56.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 4684,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1763162333.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001821543-25-000008",
      "filingDate": "2025-11-14",
      "reportDate": "2025-11-13",
      "acceptanceDateTime": "2025-11-14T17:48:36.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4433,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763160513.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001540958-25-000004",
      "filingDate": "2025-11-13",
      "reportDate": "2025-11-12",
      "acceptanceDateTime": "2025-11-13T13:04:07.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4853,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763057045.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-25-000121",
      "filingDate": "2025-11-03",
      "reportDate": "2025-10-30",
      "acceptanceDateTime": "2025-11-03T16:12:05.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "251444219",
      "items": "5.02,7.01,9.01",
      "core_type": "XBRL",
      "size": 345455,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20251030.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-25-000119",
      "filingDate": "2025-10-16",
      "reportDate": "2025-09-30",
      "acceptanceDateTime": "2025-10-16T11:00:56.000Z",
      "act": "34",
      "form": "10-Q",
      "fileNumber": "000-16125",
      "filmNumber": "251396806",
      "items": "",
      "core_type": "XBRL",
      "size": 5181259,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20250930.htm",
      "primaryDocDescription": "10-Q",
      "family": "10-Q"
    },
    {
      "accessionNumber": "0001821543-25-000006",
      "filingDate": "2025-10-16",
      "reportDate": "2025-10-16",
      "acceptanceDateTime": "2025-10-16T15:27:52.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4656,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1760642870.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001454708-25-000005",
      "filingDate": "2025-10-16",
      "reportDate": "2025-10-14",
      "acceptanceDateTime": "2025-10-16T15:17:59.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 8384,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1760642277.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-25-000116",
      "filingDate": "2025-10-14",
      "reportDate": "2025-10-13",
      "acceptanceDateTime": "2025-10-14T09:20:19.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "251390029",
      "items": "2.02,9.01",
      "core_type": "XBRL",
      "size": 639669,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20251013.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001691831-25-000003",
      "filingDate": "2025-08-18",
      "reportDate": "2025-08-15",
      "acceptanceDateTime": "2025-08-18T12:16:03.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 9552,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1755533760.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001017427-25-000004",
      "filingDate": "2025-08-14",
      "reportDate": "2025-08-12",
      "acceptanceDateTime": "2025-08-14T15:15:06.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 10227,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1755198902.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001607149-25-000006",
      "filingDate": "2025-08-12",
      "reportDate": "2025-08-08",
      "acceptanceDateTime": "2025-08-12T11:33:55.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 9527,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1755012832.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001691805-25-000004",
      "filingDate": "2025-08-12",
      "reportDate": "2025-08-08",
      "acceptanceDateTime": "2025-08-12T11:29:20.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 13516,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1755012556.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    }
  ],
  "reading_window_filings": [
    {
      "accessionNumber": "0001454708-26-000006",
      "filingDate": "2026-07-29",
      "reportDate": "2026-07-28",
      "acceptanceDateTime": "2026-07-29T16:13:34.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 9442,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": 0,
      "primaryDocument": "xslF345X06/wk-form4_1785356011.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-26-000041",
      "filingDate": "2026-07-16",
      "reportDate": "2026-06-30",
      "acceptanceDateTime": "2026-07-16T14:50:41.000Z",
      "act": "34",
      "form": "10-Q",
      "fileNumber": "000-16125",
      "filmNumber": "261179861",
      "items": "",
      "core_type": "XBRL",
      "size": 5314724,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 1,
      "primaryDocument": "fast-20260630.htm",
      "primaryDocDescription": "10-Q",
      "family": "10-Q"
    },
    {
      "accessionNumber": "0000815556-26-000043",
      "filingDate": "2026-07-16",
      "reportDate": "2025-12-19",
      "acceptanceDateTime": "2026-07-16T16:05:10.000Z",
      "act": "34",
      "form": "8-K/A",
      "fileNumber": "000-16125",
      "filmNumber": "261180399",
      "items": "5.02",
      "core_type": "XBRL",
      "size": 149825,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20251219.htm",
      "primaryDocDescription": "8-K/A",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000037",
      "filingDate": "2026-07-14",
      "reportDate": "2026-07-14",
      "acceptanceDateTime": "2026-07-14T08:01:18.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "261172564",
      "items": "2.02,9.01",
      "core_type": "XBRL",
      "size": 622798,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260714.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000035",
      "filingDate": "2026-06-23",
      "reportDate": "2026-06-18",
      "acceptanceDateTime": "2026-06-23T16:05:26.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "261111047",
      "items": "1.01,2.03,9.01",
      "core_type": "XBRL",
      "size": 36433943,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260618.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000033",
      "filingDate": "2026-06-12",
      "reportDate": "2026-06-12",
      "acceptanceDateTime": "2026-06-12T16:05:17.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "261086543",
      "items": "5.02",
      "core_type": "XBRL",
      "size": 146696,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260612.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000027",
      "filingDate": "2026-04-29",
      "reportDate": "2026-04-23",
      "acceptanceDateTime": "2026-04-29T16:05:40.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "26915848",
      "items": "5.02,9.01",
      "core_type": "XBRL",
      "size": 148225,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260423.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001454708-26-000004",
      "filingDate": "2026-04-27",
      "reportDate": "2026-04-24",
      "acceptanceDateTime": "2026-04-27T17:58:50.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 8039,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": 0,
      "primaryDocument": "xslF345X06/wk-form4_1777327127.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-26-000025",
      "filingDate": "2026-04-24",
      "reportDate": "2026-04-23",
      "acceptanceDateTime": "2026-04-24T16:10:37.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "26893892",
      "items": "5.07,9.01",
      "core_type": "XBRL",
      "size": 325486,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260423.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-26-000022",
      "filingDate": "2026-04-16",
      "reportDate": "2026-03-31",
      "acceptanceDateTime": "2026-04-16T10:46:29.000Z",
      "act": "34",
      "form": "10-Q",
      "fileNumber": "000-16125",
      "filmNumber": "26866143",
      "items": "",
      "core_type": "XBRL",
      "size": 4571479,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 1,
      "primaryDocument": "fast-20260331.htm",
      "primaryDocDescription": "10-Q",
      "family": "10-Q"
    },
    {
      "accessionNumber": "0000815556-26-000019",
      "filingDate": "2026-04-13",
      "reportDate": "2026-04-13",
      "acceptanceDateTime": "2026-04-13T08:07:12.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "26856502",
      "items": "2.02,9.01",
      "core_type": "XBRL",
      "size": 529017,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": 0,
      "primaryDocument": "fast-20260413.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001246432-26-000006",
      "filingDate": "2026-03-06",
      "reportDate": "2026-03-05",
      "acceptanceDateTime": "2026-03-06T17:25:42.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 8519,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1772835939.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001660150-26-000007",
      "filingDate": "2026-02-10",
      "reportDate": "2025-04-07",
      "acceptanceDateTime": "2026-02-10T16:17:30.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 7676,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1770758247.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-26-000009",
      "filingDate": "2026-02-05",
      "reportDate": "2025-12-31",
      "acceptanceDateTime": "2026-02-05T12:01:20.000Z",
      "act": "34",
      "form": "10-K",
      "fileNumber": "000-16125",
      "filmNumber": "26601457",
      "items": "",
      "core_type": "XBRL",
      "size": 9384184,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20251231.htm",
      "primaryDocDescription": "10-K",
      "family": "10-K"
    },
    {
      "accessionNumber": "0001256632-26-000004",
      "filingDate": "2026-01-27",
      "reportDate": "2026-01-23",
      "acceptanceDateTime": "2026-01-27T14:34:47.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 8524,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1769542485.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001607149-26-000004",
      "filingDate": "2026-01-27",
      "reportDate": "2025-08-08",
      "acceptanceDateTime": "2026-01-27T14:33:55.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 10531,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1769542433.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001660150-26-000005",
      "filingDate": "2026-01-27",
      "reportDate": "2025-04-07",
      "acceptanceDateTime": "2026-01-27T14:33:12.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 6979,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1769542389.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-26-000003",
      "filingDate": "2026-01-20",
      "reportDate": "2026-01-20",
      "acceptanceDateTime": "2026-01-20T08:17:21.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "26541191",
      "items": "2.02,9.01",
      "core_type": "XBRL",
      "size": 641542,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20260120.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001017427-26-000004",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T16:38:29.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 5698,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1767735504.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001967942-26-000004",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T15:18:33.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5356,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767730710.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001529734-26-000004",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T15:16:48.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5396,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767730605.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001691831-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:10:33.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5306,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719430.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001017427-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:09:40.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5282,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719377.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0002043506-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:07:36.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5295,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719253.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001691805-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:06:26.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5318,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719184.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001997967-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:05:35.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5308,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719132.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0002097365-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:04:51.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5273,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719088.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001607149-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:03:50.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5303,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767719027.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001660150-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:03:01.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5294,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718978.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001418483-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:02:17.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5286,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718934.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001589160-26-000005",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T12:01:19.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5353,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718876.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001540958-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:59:43.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5355,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718780.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001454708-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:58:28.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5365,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718704.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001821543-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:57:28.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5362,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718645.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001246432-26-000004",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:56:31.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5466,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718589.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001980698-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:55:22.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5424,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718519.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001256632-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:54:27.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5379,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718465.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001554387-26-000003",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:52:50.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5355,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718367.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001344393-26-000002",
      "filingDate": "2026-01-06",
      "reportDate": "2026-01-02",
      "acceptanceDateTime": "2026-01-06T11:51:27.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 5352,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1767718284.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001017427-25-000006",
      "filingDate": "2025-12-23",
      "reportDate": "2025-08-12",
      "acceptanceDateTime": "2025-12-23T17:09:56.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 10486,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1766527791.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-25-000123",
      "filingDate": "2025-12-22",
      "reportDate": "2025-12-19",
      "acceptanceDateTime": "2025-12-22T08:16:45.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "251589543",
      "items": "5.02,7.01,9.01",
      "core_type": "XBRL",
      "size": 353313,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20251219.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001454708-25-000009",
      "filingDate": "2025-12-15",
      "reportDate": "2025-12-12",
      "acceptanceDateTime": "2025-12-15T12:12:30.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 7899,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1765818747.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001675882-25-000003",
      "filingDate": "2025-11-21",
      "reportDate": "2025-11-17",
      "acceptanceDateTime": "2025-11-21T15:26:04.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4857,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763756761.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001344393-25-000004",
      "filingDate": "2025-11-20",
      "reportDate": "2025-11-19",
      "acceptanceDateTime": "2025-11-20T13:21:43.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4646,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763662900.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001454708-25-000007",
      "filingDate": "2025-11-20",
      "reportDate": "2025-11-18",
      "acceptanceDateTime": "2025-11-20T12:54:09.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 7941,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763661246.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001821543-25-000010",
      "filingDate": "2025-11-14",
      "reportDate": "2025-11-13",
      "acceptanceDateTime": "2025-11-14T18:18:56.000Z",
      "act": "",
      "form": "4/A",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4/A",
      "size": 4684,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4a_1763162333.xml",
      "primaryDocDescription": "FORM 4/A",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001821543-25-000008",
      "filingDate": "2025-11-14",
      "reportDate": "2025-11-13",
      "acceptanceDateTime": "2025-11-14T17:48:36.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4433,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763160513.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001540958-25-000004",
      "filingDate": "2025-11-13",
      "reportDate": "2025-11-12",
      "acceptanceDateTime": "2025-11-13T13:04:07.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4853,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1763057045.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-25-000121",
      "filingDate": "2025-11-03",
      "reportDate": "2025-10-30",
      "acceptanceDateTime": "2025-11-03T16:12:05.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "251444219",
      "items": "5.02,7.01,9.01",
      "core_type": "XBRL",
      "size": 345455,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20251030.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0000815556-25-000119",
      "filingDate": "2025-10-16",
      "reportDate": "2025-09-30",
      "acceptanceDateTime": "2025-10-16T11:00:56.000Z",
      "act": "34",
      "form": "10-Q",
      "fileNumber": "000-16125",
      "filmNumber": "251396806",
      "items": "",
      "core_type": "XBRL",
      "size": 5181259,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20250930.htm",
      "primaryDocDescription": "10-Q",
      "family": "10-Q"
    },
    {
      "accessionNumber": "0001821543-25-000006",
      "filingDate": "2025-10-16",
      "reportDate": "2025-10-16",
      "acceptanceDateTime": "2025-10-16T15:27:52.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 4656,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1760642870.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001454708-25-000005",
      "filingDate": "2025-10-16",
      "reportDate": "2025-10-14",
      "acceptanceDateTime": "2025-10-16T15:17:59.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 8384,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1760642277.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0000815556-25-000116",
      "filingDate": "2025-10-14",
      "reportDate": "2025-10-13",
      "acceptanceDateTime": "2025-10-14T09:20:19.000Z",
      "act": "34",
      "form": "8-K",
      "fileNumber": "000-16125",
      "filmNumber": "251390029",
      "items": "2.02,9.01",
      "core_type": "XBRL",
      "size": 639669,
      "isXBRL": 1,
      "isInlineXBRL": 1,
      "isXBRLNumeric": null,
      "primaryDocument": "fast-20251013.htm",
      "primaryDocDescription": "8-K",
      "family": "8-K"
    },
    {
      "accessionNumber": "0001691831-25-000003",
      "filingDate": "2025-08-18",
      "reportDate": "2025-08-15",
      "acceptanceDateTime": "2025-08-18T12:16:03.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 9552,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1755533760.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001017427-25-000004",
      "filingDate": "2025-08-14",
      "reportDate": "2025-08-12",
      "acceptanceDateTime": "2025-08-14T15:15:06.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 10227,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1755198902.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001607149-25-000006",
      "filingDate": "2025-08-12",
      "reportDate": "2025-08-08",
      "acceptanceDateTime": "2025-08-12T11:33:55.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 9527,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1755012832.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    },
    {
      "accessionNumber": "0001691805-25-000004",
      "filingDate": "2025-08-12",
      "reportDate": "2025-08-08",
      "acceptanceDateTime": "2025-08-12T11:29:20.000Z",
      "act": "",
      "form": "4",
      "fileNumber": "",
      "filmNumber": "",
      "items": "",
      "core_type": "4",
      "size": 13516,
      "isXBRL": 0,
      "isInlineXBRL": 0,
      "isXBRLNumeric": null,
      "primaryDocument": "xslF345X05/wk-form4_1755012556.xml",
      "primaryDocDescription": "FORM 4",
      "family": "Form 4"
    }
  ],
  "archived_filings": [
    {
      "accession_number": "0001454708-26-000006",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-07-29",
      "report_date": "2026-07-28",
      "primary_document": "xslF345X06/wk-form4_1785356011.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000006/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000006/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-07-29_4_000145470826000006",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0000815556-26-000041",
      "form": "10-Q",
      "family": "10-Q",
      "filing_date": "2026-07-16",
      "report_date": "2026-06-30",
      "primary_document": "fast-20260630.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000041/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000041/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-07-16_10-Q_000081555626000041",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260630.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000041/fast-20260630.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 1245254,
          "sha256": "f8a36baa68a6c0be62021b9579c30af9b79b7ffdd9f6d5af349b09be85da730b",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0000815556-26-000043",
      "form": "8-K/A",
      "family": "8-K",
      "filing_date": "2026-07-16",
      "report_date": "2025-12-19",
      "primary_document": "fast-20251219.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000043/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000043/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-07-16_8-K_A_000081555626000043",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20251219.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000043/fast-20251219.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 33822,
          "sha256": "990e12d196cf635a7611f43851431174f79579947ab6064a470075a35c277713",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0000815556-26-000037",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2026-07-14",
      "report_date": "2026-07-14",
      "primary_document": "fast-20260714.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000037/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000037/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-07-14_8-K_000081555626000037",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260714.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000037/fast-20260714.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 31018,
          "sha256": "5f37113fa9efbe3cb833988f7a9dc1befd1deb4dbcf1e25ff99caf5f2d7ecf85",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0000815556-26-000035",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2026-06-23",
      "report_date": "2026-06-18",
      "primary_document": "fast-20260618.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000035/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000035/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-06-23_8-K_000081555626000035",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260618.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000035/fast-20260618.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 37259,
          "sha256": "e9bb76c0857aa6a9559bdeb76bb5ce67a3a47047756e243af20a6fd5c84853b3",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0000815556-26-000033",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2026-06-12",
      "report_date": "2026-06-12",
      "primary_document": "fast-20260612.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000033/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000033/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-06-12_8-K_000081555626000033",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260612.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000033/fast-20260612.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 30825,
          "sha256": "556151a3e74d5d2f0cfb687f977940aafdb9850a12a19c1aafa86d44e14d4307",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0000815556-26-000027",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2026-04-29",
      "report_date": "2026-04-23",
      "primary_document": "fast-20260423.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000027/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000027/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-04-29_8-K_000081555626000027",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260423.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000027/fast-20260423.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 32926,
          "sha256": "dd2740bd139ae373d2ca1c5e8415eb64abed5cf19a53da1d219737b4cffd9a31",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0001454708-26-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-04-27",
      "report_date": "2026-04-24",
      "primary_document": "xslF345X06/wk-form4_1777327127.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-04-27_4_000145470826000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0000815556-26-000025",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2026-04-24",
      "report_date": "2026-04-23",
      "primary_document": "fast-20260423.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000025/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000025/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-04-24_8-K_000081555626000025",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260423.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000025/fast-20260423.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 68595,
          "sha256": "34efec4fdac70eda4e9f430998fdeed84f99dd3afea8bb2448b05df8ad4b3ae3",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0000815556-26-000022",
      "form": "10-Q",
      "family": "10-Q",
      "filing_date": "2026-04-16",
      "report_date": "2026-03-31",
      "primary_document": "fast-20260331.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000022/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000022/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-04-16_10-Q_000081555626000022",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260331.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000022/fast-20260331.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 884888,
          "sha256": "35386fe104a295b53493beddf432a767881414a2485c2d1dde1d4fcc8ea073da",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0000815556-26-000019",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2026-04-13",
      "report_date": "2026-04-13",
      "primary_document": "fast-20260413.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000019/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000019/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-04-13_8-K_000081555626000019",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260413.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000019/fast-20260413.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 30926,
          "sha256": "6e3f8015d3b1c6edb33bbf1c64965e7038f4a1e85a968f4262ac8e6a5f4f1b2a",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0001246432-26-000006",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-03-06",
      "report_date": "2026-03-05",
      "primary_document": "xslF345X05/wk-form4_1772835939.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000124643226000006/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000124643226000006/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-03-06_4_000124643226000006",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001660150-26-000007",
      "form": "4/A",
      "family": "Form 4",
      "filing_date": "2026-02-10",
      "report_date": "2025-04-07",
      "primary_document": "xslF345X05/wk-form4a_1770758247.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000007/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000007/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-02-10_4_A_000166015026000007",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0000815556-26-000009",
      "form": "10-K",
      "family": "10-K",
      "filing_date": "2026-02-05",
      "report_date": "2025-12-31",
      "primary_document": "fast-20251231.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000009/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000009/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-02-05_10-K_000081555626000009",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20251231.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000009/fast-20251231.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 1988640,
          "sha256": "2b991a99593936f2f50146ca9ae4b2f537ebc946d75a1dd01077c5cd1a82fa24",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0001256632-26-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-27",
      "report_date": "2026-01-23",
      "primary_document": "xslF345X05/wk-form4_1769542485.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000125663226000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000125663226000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-27_4_000125663226000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001607149-26-000004",
      "form": "4/A",
      "family": "Form 4",
      "filing_date": "2026-01-27",
      "report_date": "2025-08-08",
      "primary_document": "xslF345X05/wk-form4a_1769542433.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714926000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714926000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-27_4_A_000160714926000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001660150-26-000005",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-27",
      "report_date": "2025-04-07",
      "primary_document": "xslF345X05/wk-form4_1769542389.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000005/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000005/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-27_4_000166015026000005",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0000815556-26-000003",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2026-01-20",
      "report_date": "2026-01-20",
      "primary_document": "fast-20260120.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000003/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000003/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-20_8-K_000081555626000003",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20260120.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555626000003/fast-20260120.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 31324,
          "sha256": "5feb4c68ef2cd2981c80132f4c3f67fb472bc9bc8fb5ad11166f1b323343872d",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0001017427-26-000004",
      "form": "4/A",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4a_1767735504.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742726000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742726000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_A_000101742726000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001967942-26-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767730710.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000196794226000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000196794226000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000196794226000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001529734-26-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767730605.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000152973426000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000152973426000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000152973426000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001691831-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767719430.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000169183126000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000169183126000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000169183126000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001017427-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767719377.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742726000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742726000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000101742726000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0002043506-26-000003",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767719253.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000204350626000003/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000204350626000003/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000204350626000003",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001691805-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767719184.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000169180526000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000169180526000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000169180526000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001997967-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767719132.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000199796726000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000199796726000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000199796726000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0002097365-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767719088.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000209736526000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000209736526000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000209736526000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001607149-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767719027.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714926000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714926000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000160714926000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001660150-26-000003",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718978.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000003/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000166015026000003/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000166015026000003",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001418483-26-000003",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718934.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000141848326000003/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000141848326000003/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000141848326000003",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001589160-26-000005",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718876.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000158916026000005/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000158916026000005/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000158916026000005",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001540958-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718780.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000154095826000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000154095826000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000154095826000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001454708-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718704.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470826000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000145470826000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001821543-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718645.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154326000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154326000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000182154326000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001246432-26-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718589.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000124643226000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000124643226000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000124643226000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001980698-26-000003",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718519.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000198069826000003/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000198069826000003/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000198069826000003",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001256632-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718465.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000125663226000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000125663226000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000125663226000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001554387-26-000003",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718367.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000155438726000003/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000155438726000003/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000155438726000003",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001344393-26-000002",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2026-01-06",
      "report_date": "2026-01-02",
      "primary_document": "xslF345X05/wk-form4_1767718284.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000134439326000002/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000134439326000002/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2026-01-06_4_000134439326000002",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001017427-25-000006",
      "form": "4/A",
      "family": "Form 4",
      "filing_date": "2025-12-23",
      "report_date": "2025-08-12",
      "primary_document": "xslF345X05/wk-form4a_1766527791.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742725000006/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742725000006/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-12-23_4_A_000101742725000006",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0000815556-25-000123",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2025-12-22",
      "report_date": "2025-12-19",
      "primary_document": "fast-20251219.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000123/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000123/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-12-22_8-K_000081555625000123",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20251219.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000123/fast-20251219.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 38692,
          "sha256": "aa7ab6cd32d0a34a6762c731ee7d396ea76dada4ee49de0b5d2843d0b269a4cc",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0001454708-25-000009",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-12-15",
      "report_date": "2025-12-12",
      "primary_document": "xslF345X05/wk-form4_1765818747.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000009/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000009/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-12-15_4_000145470825000009",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001675882-25-000003",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-11-21",
      "report_date": "2025-11-17",
      "primary_document": "xslF345X05/wk-form4_1763756761.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000167588225000003/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000167588225000003/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-11-21_4_000167588225000003",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001344393-25-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-11-20",
      "report_date": "2025-11-19",
      "primary_document": "xslF345X05/wk-form4_1763662900.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000134439325000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000134439325000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-11-20_4_000134439325000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001454708-25-000007",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-11-20",
      "report_date": "2025-11-18",
      "primary_document": "xslF345X05/wk-form4_1763661246.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000007/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000007/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-11-20_4_000145470825000007",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001821543-25-000010",
      "form": "4/A",
      "family": "Form 4",
      "filing_date": "2025-11-14",
      "report_date": "2025-11-13",
      "primary_document": "xslF345X05/wk-form4a_1763162333.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000010/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000010/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-11-14_4_A_000182154325000010",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001821543-25-000008",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-11-14",
      "report_date": "2025-11-13",
      "primary_document": "xslF345X05/wk-form4_1763160513.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000008/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000008/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-11-14_4_000182154325000008",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001540958-25-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-11-13",
      "report_date": "2025-11-12",
      "primary_document": "xslF345X05/wk-form4_1763057045.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000154095825000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000154095825000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-11-13_4_000154095825000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0000815556-25-000121",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2025-11-03",
      "report_date": "2025-10-30",
      "primary_document": "fast-20251030.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000121/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000121/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-11-03_8-K_000081555625000121",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20251030.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000121/fast-20251030.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 37206,
          "sha256": "3ba5f4c6147b666c039198580f1525f704f4d636e0809f57e2bf6ee220dc887e",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0000815556-25-000119",
      "form": "10-Q",
      "family": "10-Q",
      "filing_date": "2025-10-16",
      "report_date": "2025-09-30",
      "primary_document": "fast-20250930.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000119/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000119/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-10-16_10-Q_000081555625000119",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20250930.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000119/fast-20250930.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 1229720,
          "sha256": "49f550f85e13c40d9047acb0c19d8056dc75f975ee15a8f3bf51bab18e4ae92b",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0001821543-25-000006",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-10-16",
      "report_date": "2025-10-16",
      "primary_document": "xslF345X05/wk-form4_1760642870.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000006/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000182154325000006/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-10-16_4_000182154325000006",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001454708-25-000005",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-10-16",
      "report_date": "2025-10-14",
      "primary_document": "xslF345X05/wk-form4_1760642277.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000005/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000145470825000005/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-10-16_4_000145470825000005",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0000815556-25-000116",
      "form": "8-K",
      "family": "8-K",
      "filing_date": "2025-10-14",
      "report_date": "2025-10-13",
      "primary_document": "fast-20251013.htm",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000116/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000116/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-10-14_8-K_000081555625000116",
      "download_status": "downloaded",
      "all_selected_files_accounted_for": true,
      "files": [
        {
          "name": "fast-20251013.htm",
          "url": "https://www.sec.gov/Archives/edgar/data/815556/000081555625000116/fast-20251013.htm",
          "status": "retrieved",
          "cache_status": "downloaded",
          "size": 31358,
          "sha256": "f9e5e75dea92d2d6ab39dc34451e486ff0deb3f8529578a445e2069027fe505a",
          "content_type": "text/html"
        }
      ]
    },
    {
      "accession_number": "0001691831-25-000003",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-08-18",
      "report_date": "2025-08-15",
      "primary_document": "xslF345X05/wk-form4_1755533760.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000169183125000003/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000169183125000003/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-08-18_4_000169183125000003",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001017427-25-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-08-14",
      "report_date": "2025-08-12",
      "primary_document": "xslF345X05/wk-form4_1755198902.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742725000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000101742725000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-08-14_4_000101742725000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001607149-25-000006",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-08-12",
      "report_date": "2025-08-08",
      "primary_document": "xslF345X05/wk-form4_1755012832.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714925000006/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000160714925000006/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-08-12_4_000160714925000006",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    },
    {
      "accession_number": "0001691805-25-000004",
      "form": "4",
      "family": "Form 4",
      "filing_date": "2025-08-12",
      "report_date": "2025-08-08",
      "primary_document": "xslF345X05/wk-form4_1755012556.xml",
      "filing_index_url": "https://www.sec.gov/Archives/edgar/data/815556/000169180525000004/index.json",
      "directory_url": "https://www.sec.gov/Archives/edgar/data/815556/000169180525000004/",
      "local_directory": "D:\\Web\\aktieanalys\\data\\fastenal-company\\sec\\filings\\2025-08-12_4_000169180525000004",
      "download_status": "partial",
      "all_selected_files_accounted_for": true,
      "files": []
    }
  ],
  "reading_status": "not_read",
  "note": "Archive status is not reading status. Mark each in-window filing and material exhibit as fully read only after end-to-end review."
}