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Restricted cash and longer-term investments may be reported separately.", "observations": [ { "end": "2026-01-31", "val": 4072000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "unit": "USD" }, { "end": "2025-01-31", "val": 5050000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2024-01-31", "val": 4527000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2023-01-31", "val": 3946000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2022-01-31", "val": 5276000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2021-01-31", "val": 11439000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2020-01-31", "val": 4249000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2019-01-31", "val": 7534000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2018-01-31", "val": 10177000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2017-01-31", "val": 18098000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "unit": "USD" }, { "end": "2016-01-31", "val": 10043000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2015-01-31", "val": 7958000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2014-02-01", "val": 8341000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "unit": "USD" }, { "end": "2014-01-31", "val": 8341000, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2013-01-31", "val": 30999000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2012-01-31", "val": 11704000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "unit": "USD" }, { "end": "2012-01-30", "val": 11704000, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2011-01-31", "val": 7720000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2010Q4I", "unit": "USD" }, { "end": "2010-01-31", "val": 14155096, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2009Q4I", "unit": "USD" } ] }, { "tag": "NetIncomeLoss", "taxonomy": "us-gaap", "label": "Net income or loss", "kind": "duration", "meaning": "Reported profit or loss for the period. 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Working-capital timing can make this differ substantially from reported income.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": 11738000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "USD" }, { "start": "2024-02-01", "end": "2025-01-31", "val": 4848000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "USD" }, { "start": "2023-02-01", "end": "2024-01-31", "val": 12354000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2023", "unit": "USD" }, { "start": "2022-02-01", "end": "2023-01-31", "val": -2936000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-02-01", "end": "2022-01-31", "val": 1394000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2021", "unit": "USD" }, { "start": "2020-02-01", "end": "2021-01-31", "val": 15544000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2020", "unit": "USD" }, { "start": "2019-02-01", "end": "2020-01-31", "val": 3224000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2019", "unit": "USD" }, { "start": "2018-02-01", "end": "2019-01-31", "val": 5005000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2018", "unit": "USD" }, { "start": "2017-02-01", "end": "2018-01-31", "val": 3724000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-02-01", "end": "2017-01-31", "val": 6953000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2016", "unit": "USD" }, { "start": "2014-02-01", "end": "2015-01-31", "val": 1491000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2014", "unit": "USD" }, { "start": "2013-02-01", "end": "2014-01-31", "val": -4462000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013", "unit": "USD" }, { "start": "2012-02-01", "end": "2013-01-31", "val": 3863000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2012", "unit": "USD" }, { "start": "2012-01-31", "end": "2013-01-31", "val": 3863000, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "unit": "USD" }, { "start": "2011-02-01", "end": "2012-01-31", "val": 5472000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011", "unit": "USD" }, { "start": "2010-02-01", "end": "2011-01-31", "val": 1347564, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "PaymentsToAcquirePropertyPlantAndEquipment", "taxonomy": "us-gaap", "label": "Capital expenditure payments", "kind": "duration", "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": 332000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "USD" }, { "start": "2024-02-01", "end": "2025-01-31", "val": 1165000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "USD" }, { "start": "2023-02-01", "end": "2024-01-31", "val": 875000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2023", "unit": "USD" }, { "start": "2022-02-01", "end": "2023-01-31", "val": 229000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-02-01", "end": "2022-01-31", "val": 1796000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2021", "unit": "USD" }, { "start": "2020-02-01", "end": "2021-01-31", "val": 2587000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2020", "unit": "USD" }, { "start": "2019-02-01", "end": "2020-01-31", "val": 2906000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2019", "unit": "USD" }, { "start": "2018-02-01", "end": "2019-01-31", "val": 2645000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2018", "unit": "USD" }, { "start": "2017-02-01", "end": "2018-01-31", "val": 2204000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-02-01", "end": "2017-01-31", "val": 1238000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2016", "unit": "USD" }, { "start": "2015-02-01", "end": "2016-01-31", "val": 3061000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2015", "unit": "USD" }, { "start": "2014-02-02", "end": "2015-01-31", "val": 2247000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "unit": "USD" }, { "start": "2014-02-01", "end": "2015-01-31", "val": 2247000, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2014", "unit": "USD" }, { "start": "2013-02-01", "end": "2014-01-31", "val": 1128000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013", "unit": "USD" }, { "start": "2012-02-01", "end": "2013-01-31", "val": 849000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2012", "unit": "USD" }, { "start": "2012-01-31", "end": "2013-01-31", "val": 849000, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "unit": "USD" }, { "start": "2011-02-01", "end": "2012-01-31", "val": 1154000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011", "unit": "USD" }, { "start": "2010-02-01", "end": "2011-01-31", "val": 2089858, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "RevenueFromContractWithCustomerExcludingAssessedTax", "taxonomy": "us-gaap", "label": "Contract revenue excluding tax", "kind": "duration", "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": 150515000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "USD" }, { "start": "2024-02-01", "end": "2025-01-31", "val": 151283000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "USD" }, { "start": "2023-02-01", "end": "2024-01-31", "val": 148086000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2023", "unit": "USD" }, { "start": "2022-02-01", "end": "2023-01-31", "val": 142527000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-02-01", "end": "2022-01-31", "val": 117480000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2021", "unit": "USD" }, { "start": "2020-02-01", "end": "2021-01-31", "val": 116033000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2020", "unit": "USD" }, { "start": "2019-02-01", "end": "2020-01-31", "val": 133446000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2019", "unit": "USD" }, { "start": "2018-02-01", "end": "2019-01-31", "val": 136657000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2018", "unit": "USD" }, { "start": "2017-02-01", "end": "2018-01-31", "val": 113401000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-02-01", "end": "2017-01-31", "val": 98448000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2016", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInFinancingActivities", "taxonomy": "us-gaap", "label": "Financing cash flow", "kind": "duration", "unitKind": "money", "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. 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This differs from capital expenditure payments alone.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": -219000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "USD" }, { "start": "2024-02-01", "end": "2025-01-31", "val": -20274000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "USD" }, { "start": "2023-02-01", "end": "2024-01-31", "val": -875000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2023", "unit": "USD" }, { "start": "2022-02-01", "end": "2023-01-31", "val": -17263000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-02-01", "end": "2022-01-31", "val": -1796000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2021", "unit": "USD" }, { "start": "2020-02-01", "end": "2021-01-31", "val": -2587000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2020", "unit": "USD" }, { "start": "2019-02-01", "end": "2020-01-31", "val": -2906000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2019", "unit": "USD" }, { "start": "2018-02-01", "end": "2019-01-31", "val": -1534000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2018", "unit": "USD" }, { "start": "2017-02-01", "end": "2018-01-31", "val": -20781000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-02-01", "end": "2017-01-31", "val": 3121000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2016", "unit": "USD" }, { "start": "2014-02-01", "end": "2015-01-31", "val": 5745000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2014", "unit": "USD" }, { "start": "2013-02-01", "end": "2014-01-31", "val": -17717000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013", "unit": "USD" }, { "start": "2012-02-01", "end": "2013-01-31", "val": 18466000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2012", "unit": "USD" }, { "start": "2012-01-31", "end": "2013-01-31", "val": 18466000, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "unit": "USD" }, { "start": "2011-02-01", "end": "2012-01-31", "val": 430000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011", "unit": "USD" }, { "start": "2010-02-01", "end": "2011-01-31", "val": -5403530, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "RetainedEarningsAccumulatedDeficit", "taxonomy": "us-gaap", "label": "Retained earnings or deficit", "kind": "instant", "unitKind": "money", "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.", "observations": [ { "end": "2026-01-31", "val": 47004000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "unit": "USD" }, { "end": "2025-01-31", "val": 49380000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2024-01-31", "val": 63869000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2023-01-31", "val": 59175000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2022-01-31", "val": 56514000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2021-01-31", "val": 50085000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2020-01-31", "val": 49298000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2019-01-31", "val": 49511000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2018-01-31", "val": 45700000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2017-01-31", "val": 44358000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2016-01-31", "val": 42212000, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2015-01-31", "val": 39735000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2014-01-31", "val": 37201000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2013-01-31", "val": 36092000, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2012-01-31", "val": 27920000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2011-01-31", "val": 26842890, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010Q4I", "unit": "USD" } ] }, { "tag": "WeightedAverageNumberOfSharesOutstandingBasic", "taxonomy": "us-gaap", "label": "Basic weighted-average shares", "kind": "duration", "unitKind": "shares", "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": 7614000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "shares" }, { "start": "2024-02-01", "end": "2025-01-31", "val": 7509000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "shares" }, { "start": "2023-02-01", "end": "2024-01-31", "val": 7415000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2023", "unit": "shares" }, { "start": "2022-02-01", "end": "2023-01-31", "val": 7307000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2022", "unit": "shares" }, { "start": "2021-02-01", "end": "2022-01-31", "val": 7207000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2021", "unit": "shares" }, { "start": "2020-02-01", "end": "2021-01-31", "val": 7104000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2020", "unit": "shares" }, { "start": "2019-02-01", "end": "2020-01-31", "val": 7024000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2019", "unit": "shares" }, { "start": "2018-02-01", "end": "2019-01-31", "val": 6881000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2018", "unit": "shares" }, { "start": "2017-02-01", "end": "2018-01-31", "val": 6911000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2017", "unit": "shares" }, { "start": "2016-02-01", "end": "2017-01-31", "val": 7421000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2016", "unit": "shares" }, { "start": "2015-02-01", "end": "2016-01-31", "val": 7288, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2015", "unit": "shares" }, { "start": "2014-02-02", "end": "2015-01-31", "val": 7612000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "unit": "shares" }, { "start": "2014-02-01", "end": "2015-01-31", "val": 7612, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2014", "unit": "shares" }, { "start": "2013-02-01", "end": "2014-01-31", "val": 7470000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013", "unit": "shares" }, { "start": "2012-02-01", "end": "2013-01-31", "val": 7396, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2012", "unit": "shares" }, { "start": "2012-01-31", "end": "2013-01-31", "val": 7396, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "unit": "shares" }, { "start": "2011-02-01", "end": "2012-01-31", "val": 7325, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011", "unit": "shares" }, { "start": "2010-02-01", "end": "2011-01-31", "val": 7271403, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010", "unit": "shares" } ] }, { "tag": "WeightedAverageNumberOfDilutedSharesOutstanding", "taxonomy": "us-gaap", "label": "Diluted weighted-average shares", "kind": "duration", "unitKind": "shares", "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": 7614000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "shares" }, { "start": "2024-02-01", "end": "2025-01-31", "val": 7509000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "shares" }, { "start": "2023-02-01", "end": "2024-01-31", "val": 7496000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2023", "unit": "shares" }, { "start": "2022-02-01", "end": "2023-01-31", "val": 7374000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2022", "unit": "shares" }, { "start": "2021-02-01", "end": "2022-01-31", "val": 7339000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2021", "unit": "shares" }, { "start": "2020-02-01", "end": "2021-01-31", "val": 7166000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2020", "unit": "shares" }, { "start": "2019-02-01", "end": "2020-01-31", "val": 7238000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2019", "unit": "shares" }, { "start": "2018-02-01", "end": "2019-01-31", "val": 7084000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2018", "unit": "shares" }, { "start": "2017-02-01", "end": "2018-01-31", "val": 7015000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2017", "unit": "shares" }, { "start": "2016-02-01", "end": "2017-01-31", "val": 7572000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2016", "unit": "shares" }, { "start": "2015-02-01", "end": "2016-01-31", "val": 7471, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2015", "unit": "shares" }, { "start": "2014-02-02", "end": "2015-01-31", "val": 7834000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "unit": "shares" }, { "start": "2014-02-01", "end": "2015-01-31", "val": 7834, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2014", "unit": "shares" }, { "start": "2013-02-01", "end": "2014-01-31", "val": 7697000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013", "unit": "shares" }, { "start": "2012-02-01", "end": "2013-01-31", "val": 7483, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2012", "unit": "shares" }, { "start": "2012-01-31", "end": "2013-01-31", "val": 7483, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "unit": "shares" }, { "start": "2011-02-01", "end": "2012-01-31", "val": 7429, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011", "unit": "shares" }, { "start": "2010-02-01", "end": "2011-01-31", "val": 7469760, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010", "unit": "shares" } ] }, { "tag": "EarningsPerShareBasic", "taxonomy": "us-gaap", "label": "Basic earnings per share", "kind": "duration", "unitKind": "per-share", "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": -0.31, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2024-02-01", "end": "2025-01-31", "val": -1.93, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2023-02-01", "end": "2024-01-31", "val": 0.63, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2022-02-01", "end": "2023-01-31", "val": 0.36, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2021-02-01", "end": "2022-01-31", "val": 0.89, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2020-02-01", "end": "2021-01-31", "val": 0.18, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2019-02-01", "end": "2020-01-31", "val": 0.25, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2018-02-01", "end": "2019-01-31", "val": 0.83, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-02-01", "end": "2018-01-31", "val": 0.48, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-02-01", "end": "2017-01-31", "val": 0.57, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-02-01", "end": "2016-01-31", "val": 0.62, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-02-02", "end": "2015-01-31", "val": 0.61, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "unit": "USD/shares" }, { "start": "2014-02-01", "end": "2015-01-31", "val": 0.61, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-02-01", "end": "2014-01-31", "val": 0.43, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-02-01", "end": "2013-01-31", "val": 1.46, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2012-01-31", "end": "2013-01-31", "val": 1.46, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "unit": "USD/shares" }, { "start": "2011-02-01", "end": "2012-01-31", "val": 0.43, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-02-01", "end": "2011-01-31", "val": 0.28, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010", "unit": "USD/shares" } ] }, { "tag": "EarningsPerShareDiluted", "taxonomy": "us-gaap", "label": "Diluted earnings per share", "kind": "duration", "unitKind": "per-share", "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. 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Check filing presentation before combining expense subtotals.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": 46428000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "USD" }, { "start": "2024-02-01", "end": "2025-01-31", "val": 59298000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "USD" }, { "start": "2023-02-01", "end": "2024-01-31", "val": 40709000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2023", "unit": "USD" }, { "start": "2022-02-01", "end": "2023-01-31", "val": 42713000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-02-01", "end": "2022-01-31", "val": 39483000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2021", "unit": "USD" }, { "start": "2020-02-01", "end": "2021-01-31", "val": 38927000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2020", "unit": "USD" }, { "start": "2019-02-01", "end": "2020-01-31", "val": 46325000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2019", "unit": "USD" }, { "start": "2018-02-01", "end": "2019-01-31", "val": 45279000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2018", "unit": "USD" }, { "start": "2017-02-01", "end": "2018-01-31", "val": 38590000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2017", "unit": "USD" }, { "start": "2016-02-01", "end": "2017-01-31", "val": 33208000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2016", "unit": "USD" }, { "start": "2015-02-01", "end": "2016-01-31", "val": 32224000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2015", "unit": "USD" }, { "start": "2014-02-02", "end": "2015-01-31", "val": 29746000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "unit": "USD" }, { "start": "2014-02-01", "end": "2015-01-31", "val": 29746000, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2014", "unit": "USD" }, { "start": "2013-02-01", "end": "2014-01-31", "val": 25450000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013", "unit": "USD" }, { "start": "2012-02-01", "end": "2013-01-31", "val": 20802000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2012", "unit": "USD" }, { "start": "2012-01-31", "end": "2013-01-31", "val": 20802000, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "unit": "USD" }, { "start": "2011-02-01", "end": "2012-01-31", "val": 21062000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011", "unit": "USD" }, { "start": "2010-02-01", "end": "2011-01-31", "val": 26010742, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "InventoryNet", "taxonomy": "us-gaap", "label": "Net inventory", "kind": "instant", "unitKind": "money", "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. 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Discount-rate choices and lease terms affect the amount; it is not the sum of undiscounted future rent.", "observations": [ { "end": "2026-01-31", "val": 2537000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025Q4I", "unit": "USD" }, { "end": "2025-01-31", "val": 1855000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2024-01-31", "val": 648000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2023-01-31", "val": 830000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2022-01-31", "val": 1135000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2021-01-31", "val": 1437000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2020-01-31", "val": 1695000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2019Q4I", "unit": "USD" } ] }, { "tag": "PropertyPlantAndEquipmentGross", "taxonomy": "us-gaap", "label": "Gross property, plant and equipment", "kind": "instant", "unitKind": "money", "meaning": "Cost of property, plant and equipment before accumulated depreciation. Historical cost does not indicate current value or replacement cost.", "observations": [ { "end": "2026-01-31", "val": 40400000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "unit": "USD" }, { "end": "2025-01-31", "val": 58613000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2024-01-31", "val": 57046000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2023-01-31", "val": 55394000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2022-01-31", "val": 50821000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2021-01-31", "val": 50839000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2020-01-31", "val": 48046000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2019-01-31", "val": 45327000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2018-01-31", "val": 42877000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2017-01-31", "val": 40378000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2016-01-31", "val": 39713000, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2015-01-31", "val": 36823000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2014-01-31", "val": 34960000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2013-01-31", "val": 33886000, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2012-01-31", "val": 37876000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2011-01-31", "val": 38148516, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010Q4I", "unit": "USD" } ] }, { "tag": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "taxonomy": "us-gaap", "label": "Accumulated depreciation on property, plant and equipment", "kind": "instant", "unitKind": "money", "meaning": "Cumulative depreciation, depletion and amortization recorded against property, plant and equipment. It measures cost allocation to date, not physical wear or market value.", "observations": [ { "end": "2026-01-31", "val": 26272000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "unit": "USD" }, { "end": "2025-01-31", "val": 42820000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2024-01-31", "val": 42861000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2023-01-31", "val": 41106000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2022-01-31", "val": 39380000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2021-01-31", "val": 38828000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2020-01-31", "val": 36778000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2019-01-31", "val": 34947000, "accn": "0001193125-20-103834", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-04-10", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2018-01-31", "val": 33125000, "accn": "0001193125-19-102788", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-04-10", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2017-01-31", "val": 31098000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2016-01-31", "val": 29906000, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2015-01-31", "val": 28444000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2014-01-31", "val": 27368000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2013-01-31", "val": 26098000, "accn": "0001193125-14-133678", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-04-07", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2012-01-31", "val": 26705000, "accn": "0001193125-13-146041", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-04-08", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2011-01-31", "val": 25606561, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010Q4I", "unit": "USD" } ] }, { "tag": "IntangibleAssetsNetExcludingGoodwill", "taxonomy": "us-gaap", "label": "Net intangible assets excluding goodwill", "kind": "instant", "unitKind": "money", "meaning": "Intangible assets other than goodwill after amortization and impairment. Internally developed intangibles are usually not recognized, so this understates what a company relies on.", "observations": [ { "end": "2015-01-31", "val": 2698000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "unit": "USD" }, { "end": "2014-01-31", "val": 3400000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2011-01-31", "val": 331389, "accn": "0001193125-12-150141", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-04-04", "frame": "CY2010Q4I", "unit": "USD" } ] }, { "tag": "OtherAssetsNoncurrent", "taxonomy": "us-gaap", "label": "Other noncurrent assets", "kind": "instant", "unitKind": "money", "meaning": "Noncurrent assets the filer does not present separately. The composition differs by filer and is described only in the filing.", "observations": [ { "end": "2018-01-31", "val": 48781000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "unit": "USD" }, { "end": "2017-01-31", "val": 12962000, "accn": "0001193125-18-113108", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-04-10", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2016-01-31", "val": 13642000, "accn": "0001193125-17-114309", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-04-07", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2015-01-31", "val": 6662000, "accn": "0001193125-16-534900", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-04-08", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2014-01-31", "val": 5338000, "accn": "0001193125-15-122389", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-04-08", "frame": "CY2013Q4I", "unit": "USD" } ] }, { "tag": "OtherLiabilitiesNoncurrent", "taxonomy": "us-gaap", "label": "Other noncurrent liabilities", "kind": "instant", "unitKind": "money", "meaning": "Noncurrent liabilities the filer does not present separately. 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It differs from lease expense recognized and excludes variable payments in some presentations.", "observations": [ { "start": "2025-02-01", "end": "2026-01-31", "val": 675000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2025", "unit": "USD" }, { "start": "2024-02-01", "end": "2025-01-31", "val": 418000, "accn": "0001193125-26-156927", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-04-15", "frame": "CY2024", "unit": "USD" }, { "start": "2023-02-01", "end": "2024-01-31", "val": 350000, "accn": "0000950170-25-054163", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-04-15", "frame": "CY2023", "unit": "USD" }, { "start": "2022-02-01", "end": "2023-01-31", "val": 314000, "accn": "0000950170-24-043875", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-04-12", "frame": "CY2022", "unit": "USD" }, { "start": "2021-02-01", "end": "2022-01-31", "val": 372000, "accn": "0001193125-23-103662", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-04-17", "frame": "CY2021", "unit": "USD" }, { "start": "2020-02-01", "end": "2021-01-31", "val": 429000, "accn": "0001193125-22-108120", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-04-18", "unit": "USD" }, { "start": "2019-02-01", "end": "2020-01-31", "val": 406000, "accn": "0001193125-21-114283", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-04-13", "frame": "CY2019", "unit": "USD" } ] }, { "tag": "IncreaseDecreaseInAccountsReceivable", "taxonomy": "us-gaap", "label": "Change in accounts receivable", "kind": "duration", "unitKind": "money", "meaning": "The cash flow adjustment for the change in receivables during the period. 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