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        "label": "Acquisition Costs, Period Cost",
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      },
      "AvailableForSaleSecuritiesFairValueDisclosure": {
        "label": "Available-for-sale Securities, Fair Value Disclosure (Deprecated 2013-01-31)",
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        "units": {
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              "val": 769714000,
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        }
      },
      "AvailableForSaleSecuritiesGrossRealizedGainLossNet": {
        "label": "Available-for-sale Securities, Gross Realized Gain (Loss)",
        "description": "This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.",
        "units": {
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            {
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          ]
        }
      },
      "AvailableForSaleSecuritiesGrossUnrealizedLosses1": {
        "label": "Available-for-sale Securities, Gross Unrealized Losses (Deprecated 2013-01-31)",
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            {
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        }
      },
      "AvailableforsaleSecuritiesGrossUnrealizedGain": {
        "label": "Available-for-sale Securities, Gross Unrealized Gains (Deprecated 2013-01-31)",
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            {
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      },
      "BusinessAcquisitionsProFormaNetIncomeLoss": {
        "label": "Business Acquisition, Pro Forma Net Income (Loss)",
        "description": "The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.",
        "units": {
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            {
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            {
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          ]
        }
      },
      "BusinessAcquisitionsProFormaRevenue": {
        "label": "Business Acquisition, Pro Forma Revenue",
        "description": "The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.",
        "units": {
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            {
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            {
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            {
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          ]
        }
      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets",
        "description": "Amount of assets acquired at the acquisition date.",
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      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents",
        "description": "Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.",
        "units": {
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          ]
        }
      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets",
        "description": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.",
        "units": {
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            {
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              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-06-05"
            },
            {
              "end": "2015-01-31",
              "val": 3207000,
              "accn": "0001327811-15-000021",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-09-04"
            },
            {
              "end": "2015-01-31",
              "val": 3207000,
              "accn": "0001327811-15-000027",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-12-04"
            },
            {
              "end": "2015-01-31",
              "val": 3207000,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-04-30",
              "val": 1759000,
              "accn": "0001327811-15-000014",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-06-05",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-07-31",
              "val": 743000,
              "accn": "0001327811-15-000021",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-09-04",
              "frame": "CY2015Q2I"
            },
            {
              "end": "2015-10-31",
              "val": 80000,
              "accn": "0001327811-15-000027",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-12-04",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2016-01-31",
              "val": 0,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2015Q4I"
            }
          ]
        }
      },
      "CapitalLeaseObligationsIncurred": {
        "label": "Lease Obligation Incurred",
        "description": "Amount of increase in lease obligation from new lease.",
        "units": {
          "USD": [
            {
              "start": "2011-02-01",
              "end": "2011-10-31",
              "val": 4887000,
              "accn": "0001193125-12-495545",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-12-07"
            },
            {
              "start": "2011-08-01",
              "end": "2011-10-31",
              "val": 100000,
              "accn": "0001193125-12-495545",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-12-07",
              "frame": "CY2011Q3"
            }
          ]
        }
      },
      "CapitalLeaseObligationsNoncurrent": {
        "label": "Capital Lease Obligations, Noncurrent",
        "description": "Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2012-01-31",
              "val": 6594000,
              "accn": "0001193125-12-495545",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-12-07"
            },
            {
              "end": "2012-01-31",
              "val": 8641000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2011Q4I"
            },
            {
              "end": "2012-10-31",
              "val": 17144000,
              "accn": "0001193125-12-495545",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-12-07",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2013-01-31",
              "val": 12972000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22"
            },
            {
              "end": "2013-01-31",
              "val": 12972000,
              "accn": "0001193125-13-248710",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-06-05"
            },
            {
              "end": "2013-01-31",
              "val": 12972000,
              "accn": "0001193125-13-360085",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-09-06"
            },
            {
              "end": "2013-01-31",
              "val": 12972000,
              "accn": "0001193125-13-459380",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-12-02"
            },
            {
              "end": "2013-01-31",
              "val": 12972000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-04-30",
              "val": 10163000,
              "accn": "0001193125-13-248710",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-06-05",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-07-31",
              "val": 7687000,
              "accn": "0001193125-13-360085",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-09-06",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-10-31",
              "val": 5546000,
              "accn": "0001193125-13-459380",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-12-02",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 3589000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31"
            },
            {
              "end": "2014-01-31",
              "val": 3589000,
              "accn": "0001193125-14-228909",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-06-06"
            },
            {
              "end": "2014-01-31",
              "val": 3589000,
              "accn": "0001193125-14-329149",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-09-02"
            },
            {
              "end": "2014-01-31",
              "val": 3589000,
              "accn": "0001327811-14-000007",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-12-05"
            },
            {
              "end": "2014-01-31",
              "val": 3589000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-04-30",
              "val": 1780000,
              "accn": "0001193125-14-228909",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-06-06",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-07-31",
              "val": 671000,
              "accn": "0001193125-14-329149",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-09-02",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-10-31",
              "val": 0,
              "accn": "0001327811-14-000007",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-12-05",
              "frame": "CY2014Q3I"
            },
            {
              "end": "2015-01-31",
              "val": 0,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDue": {
        "label": "Capital Leases, Future Minimum Payments Due",
        "description": "Amount of minimum lease payments for capital leases.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 26840000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 13574000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 3293000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueCurrent": {
        "label": "Capital Leases, Future Minimum Payments Due, Next Twelve Months",
        "description": "Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 13202000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 9901000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 3293000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInFiveYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Five Years",
        "description": "Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2015-01-31",
              "val": 0,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInFourYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Four Years",
        "description": "Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2015-01-31",
              "val": 0,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInThreeYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Three Years",
        "description": "Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 3706000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 0,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueInTwoYears": {
        "label": "Capital Leases, Future Minimum Payments Due in Two Years",
        "description": "Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 9932000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 3673000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 0,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsDueThereafter": {
        "label": "Capital Leases, Future Minimum Payments Due Thereafter",
        "description": "Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2015-01-31",
              "val": 0,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments": {
        "label": "Capital Leases, Future Minimum Payments, Interest Included in Payments",
        "description": "Amount necessary to reduce net minimum lease payments to present value for capital leases.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 1860000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 608000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 86000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments": {
        "label": "Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments",
        "description": "Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 24980000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 12966000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 3207000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            }
          ]
        }
      },
      "CapitalLeasesIncomeStatementAmortizationExpense": {
        "label": "Capital Leases, Income Statement, Amortization Expense",
        "description": "The charge for the use of long-lived depreciable capital leased assets for the period.",
        "units": {
          "USD": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 600000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2010"
            },
            {
              "start": "2011-01-01",
              "end": "2011-01-31",
              "val": 100000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22"
            },
            {
              "start": "2011-02-01",
              "end": "2011-10-31",
              "val": 2700000,
              "accn": "0001193125-12-495545",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-12-07"
            },
            {
              "start": "2011-08-01",
              "end": "2011-10-31",
              "val": 1200000,
              "accn": "0001193125-12-495545",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-12-07",
              "frame": "CY2011Q3"
            },
            {
              "start": "2011-02-01",
              "end": "2012-01-31",
              "val": 4300000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22"
            },
            {
              "start": "2011-02-01",
              "end": "2012-01-31",
              "val": 4300000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2011"
            },
            {
              "start": "2012-02-01",
              "end": "2012-04-30",
              "val": 1800000,
              "accn": "0001193125-13-248710",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-06-05",
              "frame": "CY2012Q1"
            },
            {
              "start": "2012-02-01",
              "end": "2012-07-31",
              "val": 4000000,
              "accn": "0001193125-13-360085",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-09-06"
            },
            {
              "start": "2012-05-01",
              "end": "2012-07-31",
              "val": 2200000,
              "accn": "0001193125-13-360085",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-09-06",
              "frame": "CY2012Q2"
            },
            {
              "start": "2012-02-01",
              "end": "2012-10-31",
              "val": 6800000,
              "accn": "0001193125-12-495545",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-12-07"
            },
            {
              "start": "2012-02-01",
              "end": "2012-10-31",
              "val": 6800000,
              "accn": "0001193125-13-459380",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-12-02"
            },
            {
              "start": "2012-08-01",
              "end": "2012-10-31",
              "val": 2800000,
              "accn": "0001193125-12-495545",
              "fy": 2012,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2012-12-07"
            },
            {
              "start": "2012-08-01",
              "end": "2012-10-31",
              "val": 2800000,
              "accn": "0001193125-13-459380",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-12-02",
              "frame": "CY2012Q3"
            },
            {
              "start": "2012-02-01",
              "end": "2013-01-31",
              "val": 10200000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22"
            },
            {
              "start": "2012-02-01",
              "end": "2013-01-31",
              "val": 10200000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31"
            },
            {
              "start": "2012-02-01",
              "end": "2013-01-31",
              "val": 10000000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2012"
            },
            {
              "start": "2013-02-01",
              "end": "2013-04-30",
              "val": 3300000,
              "accn": "0001193125-13-248710",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-06-05"
            },
            {
              "start": "2013-02-01",
              "end": "2013-04-30",
              "val": 3300000,
              "accn": "0001193125-14-228909",
              "fy": 2014,
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            },
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              "filed": "2023-11-28"
            },
            {
              "start": "2023-02-01",
              "end": "2023-10-31",
              "val": 114000000,
              "accn": "0001327811-24-000242",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2024-12-05"
            },
            {
              "start": "2023-08-01",
              "end": "2023-10-31",
              "val": 41388000,
              "accn": "0001327811-23-000202",
              "fy": 2024,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2023-11-28"
            },
            {
              "start": "2023-08-01",
              "end": "2023-10-31",
              "val": 41000000,
              "accn": "0001327811-24-000242",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
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              "frame": "CY2023Q3"
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            {
              "start": "2023-02-01",
              "end": "2024-01-31",
              "val": 173000000,
              "accn": "0001327811-24-000044",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-03-08"
            },
            {
              "start": "2023-02-01",
              "end": "2024-01-31",
              "val": 173000000,
              "accn": "0001327811-25-000056",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-03-11"
            },
            {
              "start": "2023-02-01",
              "end": "2024-01-31",
              "val": 173000000,
              "accn": "0001327811-26-000014",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-03-06",
              "frame": "CY2023"
            },
            {
              "start": "2024-02-01",
              "end": "2024-04-30",
              "val": 59000000,
              "accn": "0001327811-24-000093",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2024-05-29"
            },
            {
              "start": "2024-02-01",
              "end": "2024-04-30",
              "val": 59000000,
              "accn": "0001327811-25-000107",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2025-05-23",
              "frame": "CY2024Q1"
            },
            {
              "start": "2024-02-01",
              "end": "2024-07-31",
              "val": 116000000,
              "accn": "0001327811-24-000165",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2024-08-28"
            },
            {
              "start": "2024-02-01",
              "end": "2024-07-31",
              "val": 116000000,
              "accn": "0001327811-25-000184",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-08-22"
            },
            {
              "start": "2024-05-01",
              "end": "2024-07-31",
              "val": 57000000,
              "accn": "0001327811-24-000165",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2024-08-28"
            },
            {
              "start": "2024-05-01",
              "end": "2024-07-31",
              "val": 57000000,
              "accn": "0001327811-25-000184",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-08-22",
              "frame": "CY2024Q2"
            },
            {
              "start": "2024-02-01",
              "end": "2024-10-31",
              "val": 178000000,
              "accn": "0001327811-24-000242",
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              "fp": "Q3",
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              "filed": "2024-12-05"
            },
            {
              "start": "2024-02-01",
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              "val": 178000000,
              "accn": "0001327811-25-000198",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-11-26"
            },
            {
              "start": "2024-08-01",
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              "val": 62000000,
              "accn": "0001327811-24-000242",
              "fy": 2025,
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              "form": "10-Q",
              "filed": "2024-12-05"
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            {
              "start": "2024-08-01",
              "end": "2024-10-31",
              "val": 62000000,
              "accn": "0001327811-25-000198",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-11-26",
              "frame": "CY2024Q3"
            },
            {
              "start": "2024-02-01",
              "end": "2025-01-31",
              "val": 223000000,
              "accn": "0001327811-25-000056",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-03-11"
            },
            {
              "start": "2024-02-01",
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              "val": 223000000,
              "accn": "0001327811-26-000014",
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              "fp": "FY",
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              "filed": "2026-03-06",
              "frame": "CY2024"
            },
            {
              "start": "2025-02-01",
              "end": "2025-04-30",
              "val": 64000000,
              "accn": "0001327811-25-000107",
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              "fp": "Q1",
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              "filed": "2025-05-23"
            },
            {
              "start": "2025-02-01",
              "end": "2025-04-30",
              "val": 64000000,
              "accn": "0001327811-26-000026",
              "fy": 2027,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-05-22",
              "frame": "CY2025Q1"
            },
            {
              "start": "2025-02-01",
              "end": "2025-07-31",
              "val": 120000000,
              "accn": "0001327811-25-000184",
              "fy": 2025,
              "fp": "Q2",
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              "filed": "2025-08-22"
            },
            {
              "start": "2025-05-01",
              "end": "2025-07-31",
              "val": 56000000,
              "accn": "0001327811-25-000184",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
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              "frame": "CY2025Q2"
            },
            {
              "start": "2025-02-01",
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              "val": 198000000,
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              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-11-26"
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            {
              "start": "2025-08-01",
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              "val": 79000000,
              "accn": "0001327811-25-000198",
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            {
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              "val": 288000000,
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              "fy": 2026,
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              "form": "10-K",
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              "frame": "CY2025"
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            {
              "start": "2026-02-01",
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              "val": 17000000,
              "accn": "0001327811-26-000026",
              "fy": 2027,
              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2026Q1"
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          ]
        }
      },
      "NotesAndLoansReceivableNetNoncurrent": {
        "label": "Financing Receivable, after Allowance for Credit Loss, Noncurrent",
        "description": "Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.",
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            {
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              "filed": "2021-03-02"
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            {
              "end": "2021-01-31",
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              "form": "10-Q",
              "filed": "2018-12-03"
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            {
              "start": "2018-02-01",
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              "val": 1,
              "accn": "0001327811-19-000038",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-18",
              "frame": "CY2018"
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            {
              "start": "2019-02-01",
              "end": "2019-04-30",
              "val": 1,
              "accn": "0001327811-19-000092",
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1"
            },
            {
              "start": "2019-02-01",
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              "end": "2013-01-31",
              "val": 31760000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 59109000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 119271000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2016-01-31",
              "val": 177165000,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2017-01-31",
              "val": 155188000,
              "accn": "0001327811-17-000008",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-03-20",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2018-01-31",
              "val": 204220000,
              "accn": "0001327811-18-000009",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-03-14",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2019-01-31",
              "val": 273906000,
              "accn": "0001327811-19-000038",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-18",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueCurrent": {
        "label": "Operating Leases, Future Minimum Payments Due, Next Twelve Months",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 8198000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 12894000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 16684000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2016-01-31",
              "val": 44370000,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2017-01-31",
              "val": 42686000,
              "accn": "0001327811-17-000008",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-03-20",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2018-01-31",
              "val": 59204000,
              "accn": "0001327811-18-000009",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-03-14",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2019-01-31",
              "val": 64364000,
              "accn": "0001327811-19-000038",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-18",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFiveYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Five Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 3319000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 3438000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 9558000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2016-01-31",
              "val": 16611000,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2017-01-31",
              "val": 10611000,
              "accn": "0001327811-17-000008",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-03-20",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2018-01-31",
              "val": 13590000,
              "accn": "0001327811-18-000009",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-03-14",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2019-01-31",
              "val": 27059000,
              "accn": "0001327811-19-000038",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-18",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFourYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Four Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 3365000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 4116000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 15221000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2016-01-31",
              "val": 20566000,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2017-01-31",
              "val": 18060000,
              "accn": "0001327811-17-000008",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-03-20",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2018-01-31",
              "val": 25747000,
              "accn": "0001327811-18-000009",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-03-14",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2019-01-31",
              "val": 33114000,
              "accn": "0001327811-19-000038",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-18",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInThreeYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Three Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 5950000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 5032000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 21420000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2016-01-31",
              "val": 25362000,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2017-01-31",
              "val": 23100000,
              "accn": "0001327811-17-000008",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-03-20",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2018-01-31",
              "val": 35808000,
              "accn": "0001327811-18-000009",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-03-14",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2019-01-31",
              "val": 42800000,
              "accn": "0001327811-19-000038",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-18",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInTwoYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Two Years",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 9282000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 8546000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 22584000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2016-01-31",
              "val": 31075000,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2017-01-31",
              "val": 29048000,
              "accn": "0001327811-17-000008",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-03-20",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2018-01-31",
              "val": 40920000,
              "accn": "0001327811-18-000009",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-03-14",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2019-01-31",
              "val": 53116000,
              "accn": "0001327811-19-000038",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-18",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueThereafter": {
        "label": "Operating Leases, Future Minimum Payments, Due Thereafter",
        "description": "Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.",
        "units": {
          "USD": [
            {
              "end": "2013-01-31",
              "val": 1646000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2014-01-31",
              "val": 25083000,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2015-01-31",
              "val": 33804000,
              "accn": "0001327811-15-000006",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-03-25",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2016-01-31",
              "val": 39181000,
              "accn": "0001327811-16-000032",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-03-22",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2017-01-31",
              "val": 31683000,
              "accn": "0001327811-17-000008",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-03-20",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2018-01-31",
              "val": 28951000,
              "accn": "0001327811-18-000009",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-03-14",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2019-01-31",
              "val": 53453000,
              "accn": "0001327811-19-000038",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-03-18",
              "frame": "CY2018Q4I"
            }
          ]
        }
      },
      "OperatingLeasesRentExpenseNet": {
        "label": "Operating Leases, Rent Expense, Net",
        "description": "Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.",
        "units": {
          "USD": [
            {
              "start": "2012-11-01",
              "end": "2012-11-30",
              "val": 1600000,
              "accn": "0001193125-13-122351",
              "fy": 2012,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-03-22"
            },
            {
              "start": "2013-02-01",
              "end": "2013-04-30",
              "val": 900000,
              "accn": "0001193125-13-248710",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-06-05",
              "frame": "CY2013Q1"
            },
            {
              "start": "2016-02-01",
              "end": "2016-07-31",
              "val": 4000000,
              "accn": "0001327811-17-000023",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-08-31"
            },
            {
              "start": "2016-05-01",
              "end": "2016-07-31",
              "val": 2000000,
              "accn": "0001327811-17-000023",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-08-31",
              "frame": "CY2016Q2"
            },
            {
              "start": "2017-02-01",
              "end": "2018-01-31",
              "val": 82000000,
              "accn": "0001327811-20-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-03-03",
              "frame": "CY2017"
            },
            {
              "start": "2018-02-01",
              "end": "2019-01-31",
              "val": 99000000,
              "accn": "0001327811-20-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-03-03"
            },
            {
              "start": "2018-02-01",
              "end": "2019-01-31",
              "val": 99000000,
              "accn": "0001327811-21-000020",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-03-02",
              "frame": "CY2018"
            }
          ]
        }
      },
      "OperatingLeaseWeightedAverageDiscountRatePercent": {
        "label": "Operating Lease, Weighted Average Discount Rate, Percent",
        "description": "Weighted average discount rate for operating lease calculated at point in time.",
        "units": {
          "pure": [
            {
              "end": "2019-04-30",
              "val": 0.0353,
              "accn": "0001327811-19-000092",
              "fy": 2020,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-07-31",
              "val": 0.0353,
              "accn": "0001327811-19-000156",
              "fy": 2020,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-08-30",
              "frame": "CY2019Q2I"
            },
            {
              "end": "2019-10-31",
              "val": 0.0352,
              "accn": "0001327811-19-000196",
              "fy": 2020,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-12-04",
              "frame": "CY2019Q3I"
            },
            {
              "end": "2020-01-31",
              "val": 0.0336,
              "accn": "0001327811-20-000022",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-03-03"
            },
            {
              "end": "2020-01-31",
              "val": 0.0336,
              "accn": "0001327811-20-000070",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-28"
            },
            {
              "end": "2020-01-31",
              "val": 0.0336,
              "accn": "0001327811-20-000129",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-28"
            },
            {
              "end": "2020-01-31",
              "val": 0.0336,
              "accn": "0001327811-20-000167",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-11-20"
            },
            {
              "end": "2020-01-31",
              "val": 0.0336,
              "accn": "0001327811-21-000020",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-03-02",
              "frame": "CY2019Q4I"
            },
            {
              "end": "2020-04-30",
              "val": 0.0318,
              "accn": "0001327811-20-000070",
              "fy": 2021,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2020-05-28",
              "frame": "CY2020Q1I"
            },
            {
              "end": "2020-07-31",
              "val": 0.0308,
              "accn": "0001327811-20-000129",
              "fy": 2021,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2020-08-28",
              "frame": "CY2020Q2I"
            },
            {
              "end": "2020-10-31",
              "val": 0.0181,
              "accn": "0001327811-20-000167",
              "fy": 2021,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2020-11-20",
              "frame": "CY2020Q3I"
            },
            {
              "end": "2021-01-31",
              "val": 0.0173,
              "accn": "0001327811-21-000020",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-03-02"
            },
            {
              "end": "2021-01-31",
              "val": 0.0173,
              "accn": "0001327811-21-000054",
              "fy": 2022,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2021-05-26"
            },
            {
              "end": "2021-01-31",
              "val": 0.0173,
              "accn": "0001327811-21-000133",
              "fy": 2022,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2021-08-26"
            },
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              "form": "10-Q",
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            },
            {
              "start": "2025-02-01",
              "end": "2025-10-31",
              "val": 1227000000,
              "accn": "0001327811-25-000198",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-11-26"
            },
            {
              "start": "2025-02-01",
              "end": "2026-01-31",
              "val": 1626000000,
              "accn": "0001327811-26-000014",
              "fy": 2026,
              "fp": "FY",
              "form": "10-K",
              "filed": "2026-03-06",
              "frame": "CY2025"
            },
            {
              "start": "2026-02-01",
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              "val": 409000000,
              "accn": "0001327811-26-000026",
              "fy": 2027,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2026-05-22",
              "frame": "CY2026Q1"
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          ]
        }
      },
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        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period",
        "description": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).",
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              "val": 0,
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              "fy": 2021,
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              "form": "10-K",
              "filed": "2021-03-02",
              "frame": "CY2018"
            },
            {
              "start": "2019-02-01",
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              "val": 0,
              "accn": "0001327811-21-000020",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-03-02",
              "frame": "CY2019"
            },
            {
              "start": "2020-02-01",
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              "val": 0,
              "accn": "0001327811-21-000020",
              "fy": 2021,
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              "form": "10-K",
              "filed": "2021-03-02",
              "frame": "CY2020"
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          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period",
        "description": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.",
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              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-09-06",
              "frame": "CY2013Q2"
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            {
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              "fy": 2013,
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            },
            {
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              "fy": 2013,
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              "form": "10-Q",
              "filed": "2013-12-02",
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          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Payments",
        "description": "The estimated amount of dividends to be paid to holders of the underlying shares (expected dividends) over the option's term. Dividends are taken into account because payment of dividends to shareholders reduces the fair value of the underlying shares, and option holders generally do not receive dividends.",
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        }
      },
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        "description": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.",
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              "val": 0,
              "accn": "0001193125-13-122351",
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              "filed": "2013-03-22",
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            {
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            {
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              "fy": 2015,
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              "form": "10-K",
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            {
              "start": "2013-02-01",
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            },
            {
              "start": "2013-02-01",
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              "val": 0.558,
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            {
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              "filed": "2013-03-22",
              "frame": "CY2010"
            },
            {
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            {
              "start": "2011-02-01",
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              "filed": "2014-03-31",
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            {
              "start": "2012-02-01",
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              "val": 0.543,
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            {
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              "val": 0.543,
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            {
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              "val": 0.543,
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              "fy": 2015,
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              "filed": "2015-03-25",
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            },
            {
              "start": "2013-02-01",
              "end": "2014-01-31",
              "val": 0.548,
              "accn": "0001193125-14-124249",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-03-31"
            },
            {
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              "val": 0.548,
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              "fy": 2015,
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          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum",
        "description": "The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.",
        "units": {
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            {
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            },
            {
              "start": "2012-02-01",
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              "val": 0.01,
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              "filed": "2013-03-22"
            },
            {
              "start": "2012-02-01",
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              "val": 0.01,
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              "fy": 2015,
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              "form": "10-K",
              "filed": "2015-03-25",
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            },
            {
              "start": "2013-02-01",
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              "val": 0.018,
              "accn": "0001327811-15-000006",
              "fy": 2015,
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              "form": "10-K",
              "filed": "2015-03-25",
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          ]
        }
      },
      "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum": {
        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum",
        "description": "The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.",
        "units": {
          "pure": [
            {
              "start": "2010-01-01",
              "end": "2010-12-31",
              "val": 0.01,
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            },
            {
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            {
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        }
      },
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        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant",
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          ]
        }
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        "label": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number",
        "description": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.",
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          ]
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      },
      "StockIssuedDuringPeriodValueConversionOfConvertibleSecuritiesNetOfAdjustments": {
        "label": "Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments",
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          ]
        }
      },
      "StockIssuedDuringPeriodValueEmployeeBenefitPlan": {
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          ]
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      },
      "StockIssuedDuringPeriodValueEmployeeStockPurchasePlan": {
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              "form": "10-K",
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            {
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            },
            {
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            {
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      "StockIssuedDuringPeriodValueNewIssues": {
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            {
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              "filed": "2016-03-22",
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          ]
        }
      },
      "StockIssuedDuringPeriodValueRestrictedStockAwardGross": {
        "label": "Stock Issued During Period, Value, Restricted Stock Award, Gross",
        "description": "Aggregate value of stock related to Restricted Stock Awards issued during the period.",
        "units": {
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      },
      "StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures": {
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      },
      "StockIssuedDuringPeriodValueShareBasedCompensation": {
        "label": "Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture",
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            {
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            },
            {
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          ]
        }
      },
      "StockIssuedDuringPeriodValueStockOptionsExercised": {
        "label": "Stock Issued During Period, Value, Stock Options Exercised",
        "description": "Value of stock issued as a result of the exercise of stock options.",
        "units": {
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        }
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      "TaxBenefitFromStockOptionsExercised1": {
        "label": "Tax Benefit from Stock Options Exercised (Deprecated 2013-01-31)",
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          ]
        }
      },
      "TechnologyServicesCosts": {
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