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              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 277450000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "AvailableForSaleSecuritiesGrossUnrealizedGains": {
        "label": "Available-for-sale Securities, Gross Unrealized Gain",
        "description": "Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.",
        "units": {
          "USD": [
            {
              "start": "2012-08-01",
              "end": "2013-07-31",
              "val": 20000,
              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03",
              "frame": "CY2013"
            },
            {
              "start": "2013-08-01",
              "end": "2014-04-30",
              "val": 91000,
              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03"
            }
          ]
        }
      },
      "AvailableForSaleSecuritiesGrossUnrealizedLoss": {
        "label": "Available-for-sale Securities, Gross Unrealized Loss",
        "description": "Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.",
        "units": {
          "USD": [
            {
              "start": "2012-08-01",
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03",
              "frame": "CY2013"
            },
            {
              "start": "2013-08-01",
              "end": "2014-04-30",
              "val": 30000,
              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03"
            }
          ]
        }
      },
      "AvailableForSaleSecuritiesGrossUnrealizedLosses1": {
        "label": "Available-for-sale Securities, Gross Unrealized Losses (Deprecated 2013-01-31)",
        "description": "This item represents the gross unrealized losses for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.",
        "units": {
          "USD": [
            {
              "end": "2012-10-31",
              "val": 46000,
              "accn": "0001327567-12-000006",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-12-10",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2013-01-31",
              "val": 44000,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-01-31",
              "val": 44000,
              "accn": "0001327567-13-000006",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-03-04"
            },
            {
              "end": "2013-04-30",
              "val": 16000,
              "accn": "0001327567-13-000016",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
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              "filed": "2013-12-05"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25"
            },
            {
              "end": "2013-10-31",
              "val": 27000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 15000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "AvailableForSaleSecuritiesNoncurrent": {
        "label": "Available-for-sale Securities, Noncurrent",
        "description": "Investments in debt and equity securities which are categorized neither as held-to-maturity nor trading and which are intended to be sold or mature more than one year from the balance sheet date or operating cycle, if longer. Such securities are reported at fair value; unrealized gains (losses) related to Available-for-sale Securities are excluded from earnings and reported in a separate component of shareholders' equity (other comprehensive income), unless the Available-for-sale security is designated as a hedge or is determined to have had an other than temporary decline in fair value below its amortized cost basis. All or a portion of the unrealized holding gain (loss) of an Available-for-sale security that is designated as being hedged in a fair value hedge is recognized in earnings during the period of the hedge, as are other than temporary declines in fair value below the cost basis for investments in equity securities and debt securities that an entity intends to sell or it is more likely than not that it will be required to sell before the recovery of its amortized cost basis. Other than temporary declines in fair value below the cost basis for debt securities categorized as Available-for-sale that an entity does not intend to sell and for which it is not more likely than not that the entity will be required to sell before the recovery of its amortized cost basis are bifurcated into credit losses and losses related to all other factors. Other than temporary declines in fair value below cost basis related to credit losses are recognized in earnings, and losses related to all other factors are recognized in other comprehensive income.",
        "units": {
          "USD": [
            {
              "end": "2012-07-31",
              "val": 0,
              "accn": "0001327567-12-000006",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-12-10"
            },
            {
              "end": "2012-07-31",
              "val": 0,
              "accn": "0001327567-13-000006",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-03-04"
            },
            {
              "end": "2012-07-31",
              "val": 0,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2013-03-05"
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            {
              "end": "2012-07-31",
              "val": 0,
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              "fy": 2013,
              "fp": "Q3",
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              "filed": "2013-06-04"
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            {
              "end": "2012-07-31",
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              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25",
              "frame": "CY2012Q2I"
            },
            {
              "end": "2012-10-31",
              "val": 20567000,
              "accn": "0001327567-12-000006",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-12-10",
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            },
            {
              "end": "2013-01-31",
              "val": 30871000,
              "accn": "0001327567-13-000006",
              "fy": 2013,
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              "filed": "2013-03-04"
            },
            {
              "end": "2013-01-31",
              "val": 30871000,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
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              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-04-30",
              "val": 29767000,
              "accn": "0001327567-13-000016",
              "fy": 2013,
              "fp": "Q3",
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              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-07-31",
              "val": 17314000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
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              "filed": "2013-09-25"
            },
            {
              "end": "2013-07-31",
              "val": 17314000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
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            },
            {
              "end": "2013-07-31",
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              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
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              "filed": "2014-02-24"
            },
            {
              "end": "2013-07-31",
              "val": 17314000,
              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03"
            },
            {
              "end": "2013-07-31",
              "val": 17314000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
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            },
            {
              "end": "2013-10-31",
              "val": 33642000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
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              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
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            },
            {
              "end": "2014-04-30",
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              "accn": "0001327567-14-000013",
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            },
            {
              "end": "2014-07-31",
              "val": 201880000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
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              "filed": "2014-09-18"
            },
            {
              "end": "2014-07-31",
              "val": 201880000,
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              "fy": 2015,
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              "filed": "2014-11-25"
            },
            {
              "end": "2014-07-31",
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              "filed": "2015-03-03"
            },
            {
              "end": "2014-07-31",
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            },
            {
              "end": "2014-07-31",
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            {
              "end": "2014-10-31",
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              "accn": "0001327567-14-000043",
              "fy": 2015,
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              "form": "10-Q",
              "filed": "2014-11-25",
              "frame": "CY2014Q3I"
            },
            {
              "end": "2015-01-31",
              "val": 463908000,
              "accn": "0001327567-15-000008",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-03-03",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-04-30",
              "val": 408465000,
              "accn": "0001327567-15-000018",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-05-28",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-07-31",
              "val": 538841000,
              "accn": "0001327567-15-000027",
              "fy": 2015,
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              "filed": "2015-09-17"
            },
            {
              "end": "2015-07-31",
              "val": 538800000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24"
            },
            {
              "end": "2015-07-31",
              "val": 538800000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
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              "filed": "2016-02-26"
            },
            {
              "end": "2015-07-31",
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              "accn": "0001327567-16-000053",
              "fy": 2016,
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              "filed": "2016-05-27"
            },
            {
              "end": "2015-07-31",
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              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
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            },
            {
              "end": "2015-10-31",
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              "accn": "0001327567-15-000036",
              "fy": 2016,
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              "frame": "CY2015Q3I"
            },
            {
              "end": "2016-01-31",
              "val": 631100000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
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              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-04-30",
              "val": 682900000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
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              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-07-31",
              "val": 652800000,
              "accn": "0001327567-16-000064",
              "fy": 2016,
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              "filed": "2016-09-08"
            },
            {
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              "val": 652800000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22"
            },
            {
              "end": "2016-07-31",
              "val": 652800000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
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              "filed": "2017-03-01"
            },
            {
              "end": "2016-07-31",
              "val": 652800000,
              "accn": "0001327567-17-000018",
              "fy": 2017,
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              "filed": "2017-06-01"
            },
            {
              "end": "2016-07-31",
              "val": 652800000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
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            },
            {
              "end": "2016-10-31",
              "val": 708400000,
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              "frame": "CY2016Q3I"
            },
            {
              "end": "2017-01-31",
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              "accn": "0001327567-17-000007",
              "fy": 2017,
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              "form": "10-Q",
              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-04-30",
              "val": 719100000,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01",
              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-07-31",
              "val": 789300000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07"
            },
            {
              "end": "2017-07-31",
              "val": 789300000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
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              "form": "10-Q",
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            },
            {
              "end": "2017-07-31",
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            {
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              "fy": 2018,
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            {
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              "accn": "0001327567-18-000024",
              "fy": 2018,
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            },
            {
              "end": "2017-10-31",
              "val": 777400000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
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              "filed": "2017-11-21",
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            },
            {
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              "accn": "0001327567-18-000006",
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              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-04-30",
              "val": 592900000,
              "accn": "0001327567-18-000014",
              "fy": 2018,
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            },
            {
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              "fy": 2018,
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              "filed": "2018-09-13",
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            }
          ]
        }
      },
      "AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2": {
        "label": "Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses (Deprecated 2013-01-31)",
        "description": "Amount of the excess of amortized cost basis over fair value of securities that have been in a loss position for twelve months or longer for securities which are categorized neither as held-to-maturity nor trading securities.",
        "units": {
          "USD": [
            {
              "end": "2012-10-31",
              "val": 0,
              "accn": "0001327567-12-000006",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-12-10",
              "frame": "CY2012Q3I"
            },
            {
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              "val": 0,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-01-31",
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              "accn": "0001327567-13-000006",
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            {
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              "accn": "0001327567-13-000016",
              "fy": 2013,
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              "frame": "CY2013Q1I"
            },
            {
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              "fy": 2014,
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            },
            {
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            {
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              "filed": "2013-09-25"
            },
            {
              "end": "2013-10-31",
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              "accn": "0001327567-13-000036",
              "fy": 2014,
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            },
            {
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              "frame": "CY2013Q4I"
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          ]
        }
      },
      "AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses2": {
        "label": "Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses (Deprecated 2013-01-31)",
        "description": "Amount of the excess of amortized cost basis over fair value of securities in a loss position and categorized neither as held-to-maturity nor trading securities.",
        "units": {
          "USD": [
            {
              "end": "2012-10-31",
              "val": 46000,
              "accn": "0001327567-12-000006",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-12-10",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2013-01-31",
              "val": 44000,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-01-31",
              "val": 44000,
              "accn": "0001327567-13-000006",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-03-04"
            },
            {
              "end": "2013-04-30",
              "val": 16000,
              "accn": "0001327567-13-000016",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25"
            },
            {
              "end": "2013-10-31",
              "val": 27000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 15000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2": {
        "label": "Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses (Deprecated 2013-01-31)",
        "description": "Amount of the excess of amortized cost basis over fair value of securities that have been in a loss position for less than twelve months for securities categorized neither as held-to-maturity nor trading securities.",
        "units": {
          "USD": [
            {
              "end": "2012-10-31",
              "val": 46000,
              "accn": "0001327567-12-000006",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-12-10",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2013-01-31",
              "val": 44000,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-01-31",
              "val": 44000,
              "accn": "0001327567-13-000006",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-03-04"
            },
            {
              "end": "2013-04-30",
              "val": 16000,
              "accn": "0001327567-13-000016",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05"
            },
            {
              "end": "2013-07-31",
              "val": 36000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25"
            },
            {
              "end": "2013-10-31",
              "val": 26000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 15000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "AvailableforsaleSecuritiesGrossUnrealizedGain": {
        "label": "Available-for-sale Securities, Gross Unrealized Gains (Deprecated 2013-01-31)",
        "description": "This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.",
        "units": {
          "USD": [
            {
              "end": "2012-10-31",
              "val": 19000,
              "accn": "0001327567-12-000006",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-12-10",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2013-01-31",
              "val": 33000,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-01-31",
              "val": 33000,
              "accn": "0001327567-13-000006",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-03-04"
            },
            {
              "end": "2013-04-30",
              "val": 39000,
              "accn": "0001327567-13-000016",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-07-31",
              "val": 20000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-07-31",
              "val": 20000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05"
            },
            {
              "end": "2013-07-31",
              "val": 20000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25"
            },
            {
              "end": "2013-10-31",
              "val": 32000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 58000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets": {
        "label": "Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets (Deprecated 2013-01-31)",
        "description": "The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.",
        "units": {
          "USD": [
            {
              "end": "2013-12-26",
              "val": 2200000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet": {
        "label": "Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net (Deprecated 2013-01-31)",
        "description": "The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.",
        "units": {
          "USD": [
            {
              "end": "2013-12-26",
              "val": -1949000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "BusinessAcquisitionPurchasePriceAllocationGoodwillAmount": {
        "label": "Business Acquisition, Purchase Price Allocation, Goodwill Amount (Deprecated 2013-01-31)",
        "description": "Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.",
        "units": {
          "USD": [
            {
              "end": "2013-12-26",
              "val": 10094000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "BusinessCombinationConsiderationTransferred": {
        "label": "Business Combination, Consideration Transferred (Deprecated 2013-01-31)",
        "description": "This element represents the acquisition-date fair value of the total consideration transferred which consists of the sum of the acquisition-date fair values of the assets transferred by the acquirer, the liabilities incurred by the acquirer to former owners of the acquiree, and the equity interests issued by the acquirer.",
        "units": {
          "USD": [
            {
              "end": "2013-12-26",
              "val": 10345000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable": {
        "label": "Business Combination, Consideration Transferred, Equity Interests Issued and Issuable",
        "description": "Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.",
        "units": {
          "USD": [
            {
              "start": "2016-08-01",
              "end": "2017-07-31",
              "val": 0,
              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09",
              "frame": "CY2017"
            },
            {
              "start": "2017-08-01",
              "end": "2018-04-30",
              "val": 0,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30"
            },
            {
              "start": "2017-08-01",
              "end": "2018-07-31",
              "val": 0,
              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09"
            },
            {
              "start": "2017-08-01",
              "end": "2018-07-31",
              "val": 0,
              "accn": "0001327567-20-000032",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-09-04",
              "frame": "CY2018"
            },
            {
              "start": "2018-08-01",
              "end": "2019-04-30",
              "val": 225900000,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30"
            },
            {
              "start": "2018-08-01",
              "end": "2019-07-31",
              "val": 229500000,
              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09"
            },
            {
              "start": "2018-08-01",
              "end": "2019-07-31",
              "val": 229500000,
              "accn": "0001327567-20-000032",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-09-04"
            },
            {
              "start": "2018-08-01",
              "end": "2019-07-31",
              "val": 229500000,
              "accn": "0001327567-21-000029",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-09-03",
              "frame": "CY2019"
            },
            {
              "start": "2019-08-01",
              "end": "2020-07-31",
              "val": 11000000,
              "accn": "0001327567-20-000032",
              "fy": 2020,
              "fp": "FY",
              "form": "10-K",
              "filed": "2020-09-04"
            },
            {
              "start": "2019-08-01",
              "end": "2020-07-31",
              "val": 11000000,
              "accn": "0001327567-21-000029",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-09-03"
            },
            {
              "start": "2019-08-01",
              "end": "2020-07-31",
              "val": 11000000,
              "accn": "0001327567-22-000028",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-09-06",
              "frame": "CY2020"
            },
            {
              "start": "2020-08-01",
              "end": "2021-07-31",
              "val": 365400000,
              "accn": "0001327567-21-000029",
              "fy": 2021,
              "fp": "FY",
              "form": "10-K",
              "filed": "2021-09-03"
            },
            {
              "start": "2020-08-01",
              "end": "2021-07-31",
              "val": 365400000,
              "accn": "0001327567-22-000028",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-09-06"
            },
            {
              "start": "2020-08-01",
              "end": "2021-07-31",
              "val": 365400000,
              "accn": "0001327567-23-000024",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-09-01",
              "frame": "CY2021"
            },
            {
              "start": "2021-08-01",
              "end": "2022-07-31",
              "val": 2500000,
              "accn": "0001327567-22-000028",
              "fy": 2022,
              "fp": "FY",
              "form": "10-K",
              "filed": "2022-09-06"
            },
            {
              "start": "2021-08-01",
              "end": "2022-07-31",
              "val": 2500000,
              "accn": "0001327567-23-000024",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-09-01"
            },
            {
              "start": "2021-08-01",
              "end": "2022-07-31",
              "val": 2500000,
              "accn": "0001327567-24-000029",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-09-06",
              "frame": "CY2022"
            },
            {
              "start": "2022-08-01",
              "end": "2023-07-31",
              "val": 300000,
              "accn": "0001327567-23-000024",
              "fy": 2023,
              "fp": "FY",
              "form": "10-K",
              "filed": "2023-09-01"
            },
            {
              "start": "2022-08-01",
              "end": "2023-07-31",
              "val": 300000,
              "accn": "0001327567-24-000029",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-09-06"
            },
            {
              "start": "2022-08-01",
              "end": "2023-07-31",
              "val": 300000,
              "accn": "0001327567-25-000027",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-08-29",
              "frame": "CY2023"
            },
            {
              "start": "2023-08-01",
              "end": "2023-10-31",
              "val": 0,
              "accn": "0001327567-24-000040",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2024-11-21",
              "frame": "CY2023Q3"
            },
            {
              "start": "2023-08-01",
              "end": "2024-01-31",
              "val": 27400000,
              "accn": "0001327567-25-000010",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-02-14"
            },
            {
              "start": "2023-08-01",
              "end": "2024-04-30",
              "val": 27400000,
              "accn": "0001327567-25-000017",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-05-21"
            },
            {
              "start": "2023-08-01",
              "end": "2024-07-31",
              "val": 27400000,
              "accn": "0001327567-24-000029",
              "fy": 2024,
              "fp": "FY",
              "form": "10-K",
              "filed": "2024-09-06"
            },
            {
              "start": "2023-08-01",
              "end": "2024-07-31",
              "val": 27400000,
              "accn": "0001327567-25-000027",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-08-29",
              "frame": "CY2024"
            },
            {
              "start": "2024-08-01",
              "end": "2024-10-31",
              "val": 648900000,
              "accn": "0001327567-24-000040",
              "fy": 2025,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2024-11-21",
              "frame": "CY2024Q3"
            },
            {
              "start": "2024-08-01",
              "end": "2025-01-31",
              "val": 0,
              "accn": "0001327567-25-000010",
              "fy": 2025,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2025-02-14"
            },
            {
              "start": "2024-08-01",
              "end": "2025-01-31",
              "val": 0,
              "accn": "0001327567-26-000005",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-02-18"
            },
            {
              "start": "2024-08-01",
              "end": "2025-04-30",
              "val": 0,
              "accn": "0001327567-25-000017",
              "fy": 2025,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2025-05-21"
            },
            {
              "start": "2024-08-01",
              "end": "2025-04-30",
              "val": 0,
              "accn": "0001327567-26-000015",
              "fy": 2026,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2026-06-03"
            },
            {
              "start": "2024-08-01",
              "end": "2025-07-31",
              "val": 27100000,
              "accn": "0001327567-25-000027",
              "fy": 2025,
              "fp": "FY",
              "form": "10-K",
              "filed": "2025-08-29",
              "frame": "CY2025"
            },
            {
              "start": "2025-08-01",
              "end": "2026-01-31",
              "val": 109000000,
              "accn": "0001327567-26-000005",
              "fy": 2026,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2026-02-18"
            },
            {
              "start": "2025-08-01",
              "end": "2026-04-30",
              "val": 18862000000,
              "accn": "0001327567-26-000015",
              "fy": 2026,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2026-06-03"
            }
          ]
        }
      },
      "BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet": {
        "label": "Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net",
        "description": "Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.",
        "units": {
          "USD": [
            {
              "end": "2013-12-26",
              "val": 10345000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            }
          ]
        }
      },
      "BusinessExitCosts1": {
        "label": "Business Exit Costs",
        "description": "Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.",
        "units": {
          "USD": [
            {
              "start": "2015-08-01",
              "end": "2016-07-31",
              "val": 0,
              "accn": "0001327567-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-09-13",
              "frame": "CY2016"
            },
            {
              "start": "2016-08-01",
              "end": "2016-10-31",
              "val": 0,
              "accn": "0001327567-17-000035",
              "fy": 2018,
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            {
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            {
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        }
      },
      "ContractualObligation": {
        "label": "Contractual Obligation",
        "description": "Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.",
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            {
              "end": "2013-07-31",
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              "accn": "0001327567-13-000026",
              "fy": 2013,
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            {
              "end": "2013-10-31",
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            {
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            {
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            {
              "end": "2015-07-31",
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        "label": "Contractual Obligation, to be Paid, after Year Five",
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            {
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              "accn": "0001327567-13-000010",
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              "form": "10-Q/A",
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              "frame": "CY2012Q4I"
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            {
              "end": "2013-01-31",
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              "frame": "CY2012Q4I"
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            {
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          ]
        }
      },
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              "frame": "CY2012Q4I"
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          ]
        }
      },
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        "description": "Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.",
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              "frame": "CY2024Q1I"
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        }
      },
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        "label": "Contract with Customer, Liability, Current",
        "description": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.",
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              "end": "2018-10-31",
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              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27"
            },
            {
              "end": "2014-06-30",
              "val": 110.28,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2014Q2I"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleConversionRatio1": {
        "label": "Debt Instrument, Convertible, Conversion Ratio",
        "description": "Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.",
        "units": {
          "pure": [
            {
              "start": "2014-06-29",
              "end": "2014-06-30",
              "val": 9.068,
              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-09-18"
            },
            {
              "start": "2014-06-29",
              "end": "2014-06-30",
              "val": 9.068,
              "accn": "0001327567-14-000043",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-11-25",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-06-30",
              "val": 9.068,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17"
            },
            {
              "end": "2014-06-30",
              "val": 9.068,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08"
            },
            {
              "end": "2014-06-30",
              "val": 9.068,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal": {
        "label": "Debt Instrument, Convertible, If-converted Value in Excess of Principal",
        "description": "The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.",
        "units": {
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            {
              "end": "2015-07-31",
              "val": 376700000,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17",
              "frame": "CY2015Q2I"
            },
            {
              "end": "2015-10-31",
              "val": 308000000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2016-01-31",
              "val": 278700000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-04-30",
              "val": 210900000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-07-31",
              "val": 80000000,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-10-31",
              "val": 223600000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2017-01-31",
              "val": 125000000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-04-30",
              "val": 7700000,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01",
              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-07-31",
              "val": 137700000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07",
              "frame": "CY2017Q2I"
            },
            {
              "start": "2017-08-01",
              "end": "2017-10-31",
              "val": 185700000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21",
              "frame": "CY2017Q3"
            },
            {
              "end": "2018-01-31",
              "val": 218200000,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-04-30",
              "val": 406800000,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-07-31",
              "val": 519100000,
              "accn": "0001327567-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-09-13",
              "frame": "CY2018Q2I"
            },
            {
              "end": "2018-10-31",
              "val": 220200000,
              "accn": "0001327567-18-000031",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-11-30",
              "frame": "CY2018Q3I"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleNumberOfEquityInstruments": {
        "label": "Debt Instrument, Convertible, Number of Equity Instruments",
        "description": "The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.",
        "units": {
          "pure": [
            {
              "start": "2014-06-29",
              "end": "2014-06-30",
              "val": 5214000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-09-18",
              "frame": "CY2014Q2I"
            }
          ],
          "shares": [
            {
              "start": "2014-06-29",
              "end": "2014-06-30",
              "val": 5214000,
              "accn": "0001327567-14-000043",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-11-25",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27"
            },
            {
              "end": "2014-06-30",
              "val": 5200000,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleThresholdConsecutiveTradingDays1": {
        "label": "Debt Instrument, Convertible, Threshold Consecutive Trading Days",
        "description": "Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.",
        "units": {
          "pure": [
            {
              "end": "2014-06-30",
              "val": 30,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2014Q2I"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger": {
        "label": "Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger",
        "description": "Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.",
        "units": {
          "pure": [
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27"
            },
            {
              "end": "2014-06-30",
              "val": 1.3,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2014Q2I"
            }
          ]
        }
      },
      "DebtInstrumentConvertibleThresholdTradingDays": {
        "label": "Debt Instrument, Convertible, Threshold Trading Days",
        "description": "Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.",
        "units": {
          "day": [
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07",
              "frame": "CY2014Q2I"
            }
          ],
          "pure": [
            {
              "start": "2014-06-29",
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-09-18"
            },
            {
              "start": "2014-06-29",
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-14-000043",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-11-25",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27"
            },
            {
              "end": "2014-06-30",
              "val": 20,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05"
            }
          ]
        }
      },
      "DebtInstrumentFaceAmount": {
        "label": "Debt Instrument, Face Amount",
        "description": "Face (par) amount of debt instrument at time of issuance.",
        "units": {
          "USD": [
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-09-18"
            },
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-14-000043",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-11-25"
            },
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17"
            },
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24"
            },
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26"
            },
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27"
            },
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08"
            },
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22"
            },
            {
              "end": "2014-06-30",
              "val": 575000000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
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            },
            {
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              "accn": "0001327567-26-000005",
              "fy": 2026,
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          ]
        }
      },
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        "label": "Gain (Loss) Related to Litigation Settlement",
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        "label": "Goodwill, Gross",
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        "description": "Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.",
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              "accn": "0001327567-12-000006",
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              "end": "2013-01-31",
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              "filed": "2013-03-04"
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              "end": "2014-10-31",
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            {
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              "accn": "0001327567-15-000018",
              "fy": 2015,
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              "accn": "0001327567-15-000027",
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              "filed": "2017-06-01",
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            },
            {
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              "accn": "0001327567-17-000027",
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              "end": "2017-10-31",
              "val": 562200000,
              "accn": "0001327567-17-000035",
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              "form": "10-Q",
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              "accn": "0001327567-18-000006",
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              "fy": 2018,
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              "form": "10-Q",
              "filed": "2018-06-05",
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            },
            {
              "end": "2018-07-31",
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              "accn": "0001327567-18-000024",
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              "fp": "FY",
              "form": "10-K",
              "filed": "2018-09-13",
              "frame": "CY2018Q2I"
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            },
            {
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              "val": 509000000,
              "accn": "0001327567-19-000016",
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              "form": "10-K",
              "filed": "2019-09-09",
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          ]
        }
      },
      "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.",
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              "accn": "0001327567-12-000006",
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              "form": "10-Q",
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              "end": "2013-01-31",
              "val": 5284000,
              "accn": "0001327567-13-000006",
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              "form": "10-Q",
              "filed": "2013-03-04"
            },
            {
              "end": "2013-01-31",
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              "accn": "0001327567-13-000010",
              "fy": 2013,
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              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-04-30",
              "val": 6994000,
              "accn": "0001327567-13-000016",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-07-31",
              "val": 7728000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
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              "form": "10-K",
              "filed": "2013-09-25",
              "frame": "CY2013Q2I"
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              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
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              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
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              "filed": "2014-09-18",
              "frame": "CY2014Q2I"
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              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17",
              "frame": "CY2015Q2I"
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              "form": "10-K",
              "filed": "2016-09-08",
              "frame": "CY2016Q2I"
            },
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              "val": 31000000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
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              "filed": "2017-09-07",
              "frame": "CY2017Q2I"
            },
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              "accn": "0001327567-18-000024",
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              "filed": "2019-09-09",
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          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals": {
        "label": "Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals",
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              "filed": "2013-09-25",
              "frame": "CY2013Q2I"
            },
            {
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
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              "val": 10700000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
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              "filed": "2014-02-24",
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              "form": "10-Q",
              "filed": "2015-03-03",
              "frame": "CY2014Q4I"
            },
            {
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              "accn": "0001327567-15-000018",
              "fy": 2015,
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            },
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            },
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              "fy": 2016,
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              "filed": "2016-09-08",
              "frame": "CY2016Q2I"
            },
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              "form": "10-Q",
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              "accn": "0001327567-17-000007",
              "fy": 2017,
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              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-04-30",
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              "accn": "0001327567-17-000018",
              "fy": 2017,
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              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-07-31",
              "val": 2100000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
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              "form": "10-K",
              "filed": "2017-09-07",
              "frame": "CY2017Q2I"
            },
            {
              "end": "2017-10-31",
              "val": 1300000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21",
              "frame": "CY2017Q3I"
            },
            {
              "end": "2018-01-31",
              "val": 15400000,
              "accn": "0001327567-18-000006",
              "fy": 2018,
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              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-04-30",
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              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-07-31",
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              "accn": "0001327567-18-000024",
              "fy": 2018,
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              "filed": "2018-09-13",
              "frame": "CY2018Q2I"
            },
            {
              "end": "2018-10-31",
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              "accn": "0001327567-18-000031",
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              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-11-30",
              "frame": "CY2018Q3I"
            },
            {
              "end": "2019-01-31",
              "val": 12300000,
              "accn": "0001327567-19-000008",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-02-27",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-04-30",
              "val": 11200000,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-07-31",
              "val": 9800000,
              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09",
              "frame": "CY2019Q2I"
            }
          ]
        }
      },
      "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.",
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              "val": 11427000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-10-31",
              "val": 11427000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 11693000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-04-30",
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              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-07-31",
              "val": 9697000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
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              "form": "10-K",
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              "end": "2014-10-31",
              "val": 9697000,
              "accn": "0001327567-14-000043",
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              "filed": "2014-11-25",
              "frame": "CY2014Q3I"
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              "end": "2015-01-31",
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              "accn": "0001327567-15-000008",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-03-03",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-04-30",
              "val": 11056000,
              "accn": "0001327567-15-000018",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-05-28",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-07-31",
              "val": 42043000,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17",
              "frame": "CY2015Q2I"
            },
            {
              "end": "2015-10-31",
              "val": 45900000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2016-01-31",
              "val": 45900000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-04-30",
              "val": 46100000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-07-31",
              "val": 54100000,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-10-31",
              "val": 55000000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2017-01-31",
              "val": 55000000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-04-30",
              "val": 56500000,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01",
              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-07-31",
              "val": 53900000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07",
              "frame": "CY2017Q2I"
            },
            {
              "end": "2017-10-31",
              "val": 56700000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21",
              "frame": "CY2017Q3I"
            },
            {
              "end": "2018-01-31",
              "val": 56800000,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-04-30",
              "val": 59700000,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-07-31",
              "val": 58500000,
              "accn": "0001327567-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-09-13",
              "frame": "CY2018Q2I"
            },
            {
              "end": "2018-10-31",
              "val": 58500000,
              "accn": "0001327567-18-000031",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-11-30",
              "frame": "CY2018Q3I"
            },
            {
              "end": "2019-01-31",
              "val": 58600000,
              "accn": "0001327567-19-000008",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-02-27",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-04-30",
              "val": 60100000,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-07-31",
              "val": 45500000,
              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09",
              "frame": "CY2019Q2I"
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          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFourAndFiveYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Four and Five Years",
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        "units": {
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              "end": "2012-10-31",
              "val": 22578000,
              "accn": "0001327567-12-000006",
              "fy": 2013,
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              "form": "10-Q",
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            },
            {
              "end": "2013-01-31",
              "val": 22695000,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-01-31",
              "val": 22695000,
              "accn": "0001327567-13-000006",
              "fy": 2013,
              "fp": "Q2",
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            },
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              "val": 22633000,
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              "fy": 2013,
              "fp": "Q3",
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              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
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          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsDueInFourYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Four Years",
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              "end": "2013-07-31",
              "val": 12224000,
              "accn": "0001327567-13-000026",
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              "form": "10-K",
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            {
              "end": "2013-10-31",
              "val": 12591000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
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              "val": 12858000,
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              "fy": 2014,
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              "frame": "CY2014Q1I"
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              "fy": 2015,
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              "frame": "CY2014Q4I"
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              "end": "2015-04-30",
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              "accn": "0001327567-15-000018",
              "fy": 2015,
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              "form": "10-Q",
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              "fy": 2015,
              "fp": "FY",
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              "frame": "CY2015Q2I"
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            {
              "end": "2015-10-31",
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              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2015Q3I"
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              "accn": "0001327567-16-000053",
              "fy": 2016,
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            },
            {
              "end": "2016-07-31",
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              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08",
              "frame": "CY2016Q2I"
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              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2016Q3I"
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              "val": 50600000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
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              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
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              "end": "2017-04-30",
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              "accn": "0001327567-17-000018",
              "fy": 2017,
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              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-07-31",
              "val": 57300000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07",
              "frame": "CY2017Q2I"
            },
            {
              "end": "2017-10-31",
              "val": 60100000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21",
              "frame": "CY2017Q3I"
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              "accn": "0001327567-18-000006",
              "fy": 2018,
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              "frame": "CY2017Q4I"
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              "end": "2018-04-30",
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              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-07-31",
              "val": 59800000,
              "accn": "0001327567-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-09-13",
              "frame": "CY2018Q2I"
            },
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              "end": "2018-10-31",
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              "accn": "0001327567-18-000031",
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              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2018Q3I"
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            {
              "end": "2019-01-31",
              "val": 59900000,
              "accn": "0001327567-19-000008",
              "fy": 2019,
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              "form": "10-Q",
              "filed": "2019-02-27",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-04-30",
              "val": 63000000,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-07-31",
              "val": 60200000,
              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09",
              "frame": "CY2019Q2I"
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      "OperatingLeasesFutureMinimumPaymentsDueInThreeYears": {
        "label": "Operating Leases, Future Minimum Payments, Due in Three Years",
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              "val": 12482000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
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              "form": "10-K",
              "filed": "2013-09-25",
              "frame": "CY2013Q2I"
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            {
              "end": "2013-10-31",
              "val": 13563000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
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              "accn": "0001327567-14-000005",
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              "frame": "CY2013Q4I"
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              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-07-31",
              "val": 13187000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
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              "accn": "0001327567-14-000043",
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              "accn": "0001327567-15-000008",
              "fy": 2015,
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              "form": "10-Q",
              "filed": "2015-03-03",
              "frame": "CY2014Q4I"
            },
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              "end": "2015-04-30",
              "val": 16467000,
              "accn": "0001327567-15-000018",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-05-28",
              "frame": "CY2015Q1I"
            },
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              "end": "2015-07-31",
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              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17",
              "frame": "CY2015Q2I"
            },
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              "end": "2015-10-31",
              "val": 28200000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
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              "frame": "CY2015Q3I"
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              "val": 28400000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
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              "end": "2016-07-31",
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              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08",
              "frame": "CY2016Q2I"
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              "end": "2016-10-31",
              "val": 46500000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22",
              "frame": "CY2016Q3I"
            },
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              "val": 46900000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-04-30",
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              "accn": "0001327567-17-000018",
              "fy": 2017,
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              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-07-31",
              "val": 60100000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07",
              "frame": "CY2017Q2I"
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              "val": 65800000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21",
              "frame": "CY2017Q3I"
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              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-04-30",
              "val": 67800000,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-07-31",
              "val": 64000000,
              "accn": "0001327567-18-000024",
              "fy": 2018,
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              "filed": "2018-09-13",
              "frame": "CY2018Q2I"
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              "accn": "0001327567-18-000031",
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              "form": "10-Q",
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              "frame": "CY2018Q3I"
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              "val": 64100000,
              "accn": "0001327567-19-000008",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-02-27",
              "frame": "CY2018Q4I"
            },
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              "end": "2019-04-30",
              "val": 67200000,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1I"
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              "end": "2019-07-31",
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              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09",
              "frame": "CY2019Q2I"
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              "val": 21838000,
              "accn": "0001327567-13-000010",
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              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
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              "end": "2013-01-31",
              "val": 21838000,
              "accn": "0001327567-13-000006",
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            },
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              "accn": "0001327567-13-000016",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
            }
          ]
        }
      },
      "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.",
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            {
              "end": "2013-07-31",
              "val": 12152000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2014-01-31",
              "val": 13599000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-04-30",
              "val": 13778000,
              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-07-31",
              "val": 14279000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-09-18",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-10-31",
              "val": 15629000,
              "accn": "0001327567-14-000043",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-11-25",
              "frame": "CY2014Q3I"
            },
            {
              "end": "2015-01-31",
              "val": 16901000,
              "accn": "0001327567-15-000008",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-03-03",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-04-30",
              "val": 17818000,
              "accn": "0001327567-15-000018",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-05-28",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-07-31",
              "val": 24374000,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17",
              "frame": "CY2015Q2I"
            },
            {
              "end": "2015-10-31",
              "val": 25100000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2016-01-31",
              "val": 25000000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-04-30",
              "val": 25100000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-07-31",
              "val": 33300000,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-10-31",
              "val": 27200000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2017-01-31",
              "val": 27600000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-04-30",
              "val": 29700000,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01",
              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-07-31",
              "val": 50700000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07",
              "frame": "CY2017Q2I"
            },
            {
              "end": "2017-10-31",
              "val": 65500000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21",
              "frame": "CY2017Q3I"
            },
            {
              "end": "2018-01-31",
              "val": 65800000,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-04-30",
              "val": 65900000,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-07-31",
              "val": 68200000,
              "accn": "0001327567-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-09-13",
              "frame": "CY2018Q2I"
            },
            {
              "end": "2018-10-31",
              "val": 68900000,
              "accn": "0001327567-18-000031",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-11-30",
              "frame": "CY2018Q3I"
            },
            {
              "end": "2019-01-31",
              "val": 69000000,
              "accn": "0001327567-19-000008",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-02-27",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-04-30",
              "val": 73200000,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-07-31",
              "val": 67200000,
              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09",
              "frame": "CY2019Q2I"
            }
          ]
        }
      },
      "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": {
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              "end": "2012-10-31",
              "val": 60368000,
              "accn": "0001327567-12-000006",
              "fy": 2013,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2012-12-10",
              "frame": "CY2012Q3I"
            },
            {
              "end": "2013-01-31",
              "val": 57379000,
              "accn": "0001327567-13-000006",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2013-03-04"
            },
            {
              "end": "2013-01-31",
              "val": 57379000,
              "accn": "0001327567-13-000010",
              "fy": 2013,
              "fp": "Q2",
              "form": "10-Q/A",
              "filed": "2013-03-05",
              "frame": "CY2012Q4I"
            },
            {
              "end": "2013-04-30",
              "val": 54649000,
              "accn": "0001327567-13-000016",
              "fy": 2013,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2013-06-04",
              "frame": "CY2013Q1I"
            },
            {
              "end": "2013-07-31",
              "val": 52300000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25",
              "frame": "CY2013Q2I"
            },
            {
              "end": "2013-10-31",
              "val": 52300000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 52300000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-04-30",
              "val": 52300000,
              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-07-31",
              "val": 42603000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-09-18",
              "frame": "CY2014Q2I"
            },
            {
              "end": "2014-10-31",
              "val": 42603000,
              "accn": "0001327567-14-000043",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-11-25",
              "frame": "CY2014Q3I"
            },
            {
              "end": "2015-01-31",
              "val": 42833000,
              "accn": "0001327567-15-000008",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-03-03",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-04-30",
              "val": 43196000,
              "accn": "0001327567-15-000018",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-05-28",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-07-31",
              "val": 253202000,
              "accn": "0001327567-15-000027",
              "fy": 2015,
              "fp": "FY",
              "form": "10-K",
              "filed": "2015-09-17",
              "frame": "CY2015Q2I"
            },
            {
              "end": "2015-10-31",
              "val": 350500000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2016-01-31",
              "val": 350600000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-04-30",
              "val": 350700000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-07-31",
              "val": 298600000,
              "accn": "0001327567-16-000064",
              "fy": 2016,
              "fp": "FY",
              "form": "10-K",
              "filed": "2016-09-08",
              "frame": "CY2016Q2I"
            },
            {
              "end": "2016-10-31",
              "val": 316600000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2017-01-31",
              "val": 316300000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-04-30",
              "val": 318500000,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01",
              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-07-31",
              "val": 264500000,
              "accn": "0001327567-17-000027",
              "fy": 2017,
              "fp": "FY",
              "form": "10-K",
              "filed": "2017-09-07",
              "frame": "CY2017Q2I"
            },
            {
              "end": "2017-10-31",
              "val": 267800000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21",
              "frame": "CY2017Q3I"
            },
            {
              "end": "2018-01-31",
              "val": 267900000,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-04-30",
              "val": 281300000,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-07-31",
              "val": 223800000,
              "accn": "0001327567-18-000024",
              "fy": 2018,
              "fp": "FY",
              "form": "10-K",
              "filed": "2018-09-13",
              "frame": "CY2018Q2I"
            },
            {
              "end": "2018-10-31",
              "val": 224100000,
              "accn": "0001327567-18-000031",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-11-30",
              "frame": "CY2018Q3I"
            },
            {
              "end": "2019-01-31",
              "val": 223800000,
              "accn": "0001327567-19-000008",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-02-27",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-04-30",
              "val": 227700000,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1I"
            },
            {
              "end": "2019-07-31",
              "val": 181900000,
              "accn": "0001327567-19-000032",
              "fy": 2019,
              "fp": "FY",
              "form": "10-K",
              "filed": "2019-09-09",
              "frame": "CY2019Q2I"
            }
          ]
        }
      },
      "OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear": {
        "label": "Operating Leases, Future Minimum Payments, Remainder of Fiscal Year",
        "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 remainder of the 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": {
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            {
              "end": "2013-10-31",
              "val": 7038000,
              "accn": "0001327567-13-000036",
              "fy": 2014,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2013-12-05",
              "frame": "CY2013Q3I"
            },
            {
              "end": "2014-01-31",
              "val": 5575000,
              "accn": "0001327567-14-000005",
              "fy": 2014,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2014-02-24",
              "frame": "CY2013Q4I"
            },
            {
              "end": "2014-04-30",
              "val": 2930000,
              "accn": "0001327567-14-000013",
              "fy": 2014,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2014-06-03",
              "frame": "CY2014Q1I"
            },
            {
              "end": "2014-10-31",
              "val": 11686000,
              "accn": "0001327567-14-000043",
              "fy": 2015,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2014-11-25",
              "frame": "CY2014Q3I"
            },
            {
              "end": "2015-01-31",
              "val": 8479000,
              "accn": "0001327567-15-000008",
              "fy": 2015,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2015-03-03",
              "frame": "CY2014Q4I"
            },
            {
              "end": "2015-04-30",
              "val": 4344000,
              "accn": "0001327567-15-000018",
              "fy": 2015,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2015-05-28",
              "frame": "CY2015Q1I"
            },
            {
              "end": "2015-10-31",
              "val": 16900000,
              "accn": "0001327567-15-000036",
              "fy": 2016,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2015-11-24",
              "frame": "CY2015Q3I"
            },
            {
              "end": "2016-01-31",
              "val": 12000000,
              "accn": "0001327567-16-000048",
              "fy": 2016,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2016-02-26",
              "frame": "CY2015Q4I"
            },
            {
              "end": "2016-04-30",
              "val": 6400000,
              "accn": "0001327567-16-000053",
              "fy": 2016,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2016-05-27",
              "frame": "CY2016Q1I"
            },
            {
              "end": "2016-10-31",
              "val": 20600000,
              "accn": "0001327567-16-000073",
              "fy": 2017,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2016-11-22",
              "frame": "CY2016Q3I"
            },
            {
              "end": "2017-01-31",
              "val": 14000000,
              "accn": "0001327567-17-000007",
              "fy": 2017,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2017-03-01",
              "frame": "CY2016Q4I"
            },
            {
              "end": "2017-04-30",
              "val": 7200000,
              "accn": "0001327567-17-000018",
              "fy": 2017,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2017-06-01",
              "frame": "CY2017Q1I"
            },
            {
              "end": "2017-10-31",
              "val": 46300000,
              "accn": "0001327567-17-000035",
              "fy": 2018,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2017-11-21",
              "frame": "CY2017Q3I"
            },
            {
              "end": "2018-01-31",
              "val": 32100000,
              "accn": "0001327567-18-000006",
              "fy": 2018,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2018-02-27",
              "frame": "CY2017Q4I"
            },
            {
              "end": "2018-04-30",
              "val": 16700000,
              "accn": "0001327567-18-000014",
              "fy": 2018,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2018-06-05",
              "frame": "CY2018Q1I"
            },
            {
              "end": "2018-10-31",
              "val": 50400000,
              "accn": "0001327567-18-000031",
              "fy": 2019,
              "fp": "Q1",
              "form": "10-Q",
              "filed": "2018-11-30",
              "frame": "CY2018Q3I"
            },
            {
              "end": "2019-01-31",
              "val": 33600000,
              "accn": "0001327567-19-000008",
              "fy": 2019,
              "fp": "Q2",
              "form": "10-Q",
              "filed": "2019-02-27",
              "frame": "CY2018Q4I"
            },
            {
              "end": "2019-04-30",
              "val": 17800000,
              "accn": "0001327567-19-000016",
              "fy": 2019,
              "fp": "Q3",
              "form": "10-Q",
              "filed": "2019-05-30",
              "frame": "CY2019Q1I"
            }
          ]
        }
      },
      "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": {
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              "end": "2011-07-31",
              "val": 1393000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25",
              "frame": "CY2011"
            },
            {
              "start": "2011-08-01",
              "end": "2012-07-31",
              "val": 2258000,
              "accn": "0001327567-13-000026",
              "fy": 2013,
              "fp": "FY",
              "form": "10-K",
              "filed": "2013-09-25"
            },
            {
              "start": "2011-08-01",
              "end": "2012-07-31",
              "val": 2258000,
              "accn": "0001327567-14-000028",
              "fy": 2014,
              "fp": "FY",
              "form": "10-K",
              "filed": "2014-09-18",
              "frame": "CY2012"
            },
            {
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      },
      "DerivativeAssets": {
        "label": "Derivative Asset",
        "description": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.",
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        "label": "Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents",
        "description": "Amount of increase (decrease) from effect of exchange rate changes on cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; held in foreign currencies. Excludes amounts for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, 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.",
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      "ForeignCurrencyTransactionGainLossUnrealizedAfterTax": {
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        "label": "Long-term Debt, Fair Value",
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      },
      "OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustmentAttributableToParent": {
        "label": "Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax and Reclassification Adjustment, Attributable to Parent",
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}