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Validate a separately constructed return series with the validation API; accounting values are not returns.", "concepts": [ { "tag": "Assets", "taxonomy": "us-gaap", "label": "Total assets", "kind": "instant", "meaning": "Resources recognized on the balance sheet. 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Restricted cash and longer-term investments may be reported separately.", "observations": [ { "end": "2025-09-30", "val": 21902000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "unit": "USD" }, { "end": "2024-09-30", "val": 27510000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024Q3I", "unit": "USD" }, { "end": "2023-09-30", "val": 31693000, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2023Q3I", "unit": "USD" }, { "end": "2022-09-30", "val": 34900000, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2022Q3I", "unit": "USD" }, { "end": "2021-09-30", "val": 152432000, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2021Q3I", "unit": "USD" }, { "end": "2020-09-30", "val": 54129000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "unit": "USD" }, { "end": "2019-09-30", "val": 92792000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019Q3I", "unit": "USD" }, { "end": "2018-09-30", "val": 58014000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2018Q3I", "unit": "USD" }, { "end": "2017-09-30", "val": 78222000, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2017Q3I", "unit": "USD" }, { "end": "2016-09-30", "val": 75727000, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2016Q3I", "unit": "USD" }, { "end": "2015-09-30", "val": 45018000, "accn": "0000854775-18-000020", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-11-21", "frame": "CY2015Q3I", "unit": "USD" }, { "end": "2014-09-30", "val": 47490000, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2014Q3I", "unit": "USD" }, { "end": "2013-09-30", "val": 41320000, "accn": "0000854775-16-000039", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-12-13", "frame": "CY2013Q3I", "unit": "USD" }, { "end": "2012-09-30", "val": 60246000, "accn": "0000854775-15-000019", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-11-30", "frame": "CY2012Q3I", "unit": "USD" }, { "end": "2011-09-30", "val": 54684000, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2011Q3I", "unit": "USD" }, { "end": "2011-06-30", "val": 54684000, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "unit": "USD" }, { "end": "2010-09-30", "val": 50943000, "accn": "0000854775-13-000020", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-11-22", "frame": "CY2010Q3I", "unit": "USD" }, { "end": "2010-06-30", "val": 50943000, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2010Q2I", "unit": "USD" }, { "end": "2009-09-30", "val": 48434000, "accn": "0000854775-12-000012", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-11-21", "frame": "CY2009Q3I", "unit": "USD" }, { "end": "2008-09-30", "val": 14176000, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2008Q3I", "unit": "USD" } ] }, { "tag": "NetIncomeLoss", "taxonomy": "us-gaap", "label": "Net income or loss", "kind": "duration", "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.", "observations": [ { "start": "2024-10-01", "end": "2025-09-30", "val": 40804000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2025", "unit": "USD" }, { "start": "2023-10-01", "end": "2024-09-30", "val": 22505000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024", "unit": "USD" }, { "start": "2022-10-01", "end": "2023-09-30", "val": 24770000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2023", "unit": "USD" }, { "start": "2021-10-01", "end": "2022-09-30", "val": 19383000, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2022", "unit": "USD" }, { "start": "2020-10-01", "end": "2021-09-30", "val": 10366000, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2021", "unit": "USD" }, { "start": "2019-10-01", "end": "2020-09-30", "val": 8411000, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2020", "unit": "USD" }, { "start": "2018-10-01", "end": "2019-09-30", "val": 9958000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019", "unit": "USD" }, { "start": "2017-10-01", "end": "2018-09-30", "val": 1631000, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2018", "unit": "USD" }, { "start": "2016-10-01", "end": "2017-09-30", "val": 9403000, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2017", "unit": "USD" }, { "start": "2015-10-01", "end": "2016-09-30", "val": 16708000, "accn": "0000854775-18-000020", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-11-21", "frame": "CY2016", "unit": "USD" }, { "start": "2014-10-01", "end": "2015-09-30", "val": 6588000, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2015", "unit": "USD" }, { "start": "2013-10-01", "end": "2014-09-30", "val": 1751000, "accn": "0000854775-16-000039", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-12-13", "frame": "CY2014", "unit": "USD" }, { "start": "2012-10-01", "end": "2013-09-30", "val": 5805000, "accn": "0000854775-15-000019", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-11-30", "frame": "CY2013", "unit": "USD" }, { "start": "2011-10-01", "end": "2012-09-30", "val": 7615000, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2012", "unit": "USD" }, { "start": "2010-10-01", "end": "2011-09-30", "val": 11019000, "accn": "0000854775-13-000020", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-11-22", "frame": "CY2011", "unit": "USD" }, { "start": "2009-10-01", "end": "2010-09-30", "val": 8941000, "accn": "0000854775-12-000012", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-11-21", "frame": "CY2010", "unit": "USD" }, { "start": "2008-10-01", "end": "2009-09-30", "val": 4083000, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2009", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInOperatingActivities", "taxonomy": "us-gaap", "label": "Operating cash flow", "kind": "duration", "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.", "observations": [ { "start": "2024-10-01", "end": "2025-09-30", "val": 107959000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2025", "unit": "USD" }, { "start": "2023-10-01", "end": "2024-09-30", "val": 83092000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024", "unit": "USD" }, { "start": "2022-10-01", "end": "2023-09-30", "val": 36751000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2023", "unit": "USD" }, { "start": "2021-10-01", "end": "2022-09-30", "val": 37740000, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2022", "unit": "USD" }, { "start": "2020-10-01", "end": "2021-09-30", "val": 57723000, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2021", "unit": "USD" }, { "start": "2019-10-01", "end": "2020-09-30", "val": 34478000, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2020", "unit": "USD" }, { "start": "2018-10-01", "end": "2019-09-30", "val": 28964000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019", "unit": "USD" }, { "start": "2017-10-01", "end": "2018-09-30", "val": -2778000, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2018", "unit": "USD" }, { "start": "2016-10-01", "end": "2017-09-30", "val": 2475000, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2017", "unit": "USD" }, { "start": "2015-10-01", "end": "2016-09-30", "val": 27089000, "accn": "0000854775-18-000020", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-11-21", "frame": "CY2016", "unit": "USD" }, { "start": "2014-10-01", "end": "2015-09-30", "val": 14074000, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2015", "unit": "USD" }, { "start": "2013-10-01", "end": "2014-09-30", "val": 1809000, "accn": "0000854775-16-000039", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-12-13", "frame": "CY2014", "unit": "USD" }, { "start": "2012-10-01", "end": "2013-09-30", "val": 11748000, "accn": "0000854775-15-000019", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-11-30", "frame": "CY2013", "unit": "USD" }, { "start": "2011-10-01", "end": "2012-09-30", "val": 15127000, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2012", "unit": "USD" }, { "start": "2010-10-01", "end": "2011-09-30", "val": 21839000, "accn": "0000854775-13-000020", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-11-22", "frame": "CY2011", "unit": "USD" }, { "start": "2009-10-01", "end": "2010-09-30", "val": 16095000, "accn": "0000854775-12-000012", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-11-21", "frame": "CY2010", "unit": "USD" }, { "start": "2008-10-01", "end": "2009-09-30", "val": 15686000, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2009", "unit": "USD" } ] }, { "tag": "Revenues", "taxonomy": "us-gaap", "label": "Revenue", "kind": "duration", "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.", "observations": [ { "start": "2024-10-01", "end": "2025-09-30", "val": 430221000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2025", "unit": "USD" }, { "start": "2023-10-01", "end": "2024-09-30", "val": 424046000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024", "unit": "USD" }, { "start": "2022-10-01", "end": "2023-09-30", "val": 444849000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2023", "unit": "USD" }, { "start": "2021-10-01", "end": "2022-09-30", "val": 388225000, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2022", "unit": "USD" }, { "start": "2020-10-01", "end": "2021-09-30", "val": 308632000, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2021", "unit": "USD" }, { "start": "2019-10-01", "end": "2020-09-30", "val": 279271000, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2020", "unit": "USD" }, { "start": "2018-10-01", "end": "2019-09-30", "val": 254203000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019", "unit": "USD" }, { "start": "2017-10-01", "end": "2018-09-30", "val": 226893000, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2018", "unit": "USD" }, { "start": "2016-10-01", "end": "2017-09-30", "val": 181340000, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2017", "unit": "USD" }, { "start": "2015-10-01", "end": "2016-09-30", "val": 203005000, "accn": "0000854775-18-000020", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-11-21", "frame": "CY2016", "unit": "USD" }, { "start": "2014-10-01", "end": "2015-09-30", "val": 203847000, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2015", "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": "2024-10-01", "end": "2025-09-30", "val": 430221000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2025", "unit": "USD" }, { "start": "2023-10-01", "end": "2024-09-30", "val": 424046000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024", "unit": "USD" }, { "start": "2022-10-01", "end": "2023-09-30", "val": 444849000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2023", "unit": "USD" }, { "start": "2021-10-01", "end": "2022-09-30", "val": 388225000, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2022", "unit": "USD" }, { "start": "2020-10-01", "end": "2021-09-30", "val": 308632000, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2021", "unit": "USD" }, { "start": "2019-10-01", "end": "2020-09-30", "val": 279271000, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2020", "unit": "USD" }, { "start": "2018-10-01", "end": "2019-09-30", "val": 254203000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019", "unit": "USD" }, { "start": "2017-10-01", "end": "2018-09-30", "val": 226893000, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2018", "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. A positive amount does not establish operating profitability.", "observations": [ { "start": "2024-10-01", "end": "2025-09-30", "val": 34624000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2025", "unit": "USD" }, { "start": "2023-10-01", "end": "2024-09-30", "val": -89048000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024", "unit": "USD" }, { "start": "2022-10-01", "end": "2023-09-30", "val": -34500000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2023", "unit": "USD" }, { "start": "2021-10-01", "end": "2022-09-30", "val": 192782000, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2022", "unit": "USD" }, { "start": "2020-10-01", "end": "2021-09-30", "val": 62242000, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2021", "unit": "USD" }, { "start": "2019-10-01", "end": "2020-09-30", "val": 63603000, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2020", "unit": "USD" }, { "start": "2018-10-01", "end": "2019-09-30", "val": 1113000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019", "unit": "USD" }, { "start": "2017-10-01", "end": "2018-09-30", "val": 5827000, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2018", "unit": "USD" }, { "start": "2016-10-01", "end": "2017-09-30", "val": 3057000, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2017", "unit": "USD" }, { "start": "2015-10-01", "end": "2016-09-30", "val": 7749000, "accn": "0000854775-18-000020", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-11-21", "frame": "CY2016", "unit": "USD" }, { "start": "2014-10-01", "end": "2015-09-30", "val": 5145000, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2015", "unit": "USD" }, { "start": "2013-10-01", "end": "2014-09-30", "val": -10960000, "accn": "0000854775-16-000039", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-12-13", "frame": "CY2014", "unit": "USD" }, { "start": "2012-10-01", "end": "2013-09-30", "val": -10790000, "accn": "0000854775-15-000019", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-11-30", "frame": "CY2013", "unit": "USD" }, { "start": "2011-10-01", "end": "2012-09-30", "val": 2311000, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2012", "unit": "USD" }, { "start": "2010-10-01", "end": "2011-09-30", "val": 4639000, "accn": "0000854775-13-000020", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-11-22", "frame": "CY2011", "unit": "USD" }, { "start": "2009-10-01", "end": "2010-09-30", "val": 2604000, "accn": "0000854775-12-000012", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-11-21", "frame": "CY2010", "unit": "USD" }, { "start": "2008-10-01", "end": "2009-09-30", "val": -5427000, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2009", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInInvestingActivities", "taxonomy": "us-gaap", "label": "Investing cash flow", "kind": "duration", "unitKind": "money", "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. 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This balance is not cash available for distribution.", "observations": [ { "end": "2025-09-30", "val": 288154000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "unit": "USD" }, { "end": "2024-09-30", "val": 247350000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024Q3I", "unit": "USD" }, { "end": "2023-09-30", "val": 224845000, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2023Q3I", "unit": "USD" }, { "end": "2022-09-30", "val": 200075000, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2022Q3I", "unit": "USD" }, { "end": "2021-09-30", "val": 180692000, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2021Q3I", "unit": "USD" }, { "end": "2020-09-30", "val": 170330000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2020Q3I", "unit": "USD" }, { "end": "2019-09-30", "val": 161919000, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2019Q3I", "unit": "USD" }, { "end": "2018-09-30", "val": 151961000, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2018Q3I", "unit": "USD" }, { "end": "2017-09-30", "val": 150363000, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2017Q3I", "unit": "USD" }, { "end": "2016-09-30", "val": 141112000, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2016Q3I", "unit": "USD" }, { "end": "2015-09-30", "val": 124404000, "accn": "0000854775-16-000039", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-12-13", "frame": "CY2015Q3I", "unit": "USD" }, { "end": "2014-09-30", "val": 117816000, "accn": "0000854775-15-000019", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-11-30", "frame": "CY2014Q3I", "unit": "USD" }, { "end": "2013-09-30", "val": 116065000, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2013Q3I", "unit": "USD" }, { "end": "2012-09-30", "val": 110260000, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2012Q3I", "unit": "USD" }, { "end": "2011-09-30", "val": 102645000, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2011Q3I", "unit": "USD" }, { "end": "2010-09-30", "val": 91649000, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2010Q3I", "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. 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Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.", "observations": [ { "start": "2024-10-01", "end": "2025-09-30", "val": 37739000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2025", "unit": "shares" }, { "start": "2023-10-01", "end": "2024-09-30", "val": 36984000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024", "unit": "shares" }, { "start": "2022-10-01", "end": "2023-09-30", "val": 36869000, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2023", "unit": "shares" }, { "start": "2021-10-01", "end": "2022-09-30", "val": 35995000, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2022", "unit": "shares" }, { "start": "2020-10-01", "end": "2021-09-30", "val": 33394000, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2021", "unit": "shares" }, { "start": "2019-10-01", "end": "2020-09-30", "val": 29546000, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2020", "unit": "shares" }, { "start": "2018-10-01", "end": "2019-09-30", "val": 28554000, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019", "unit": "shares" }, { "start": "2017-10-01", "end": "2018-09-30", "val": 27652000, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2018", "unit": "shares" }, { "start": "2016-10-01", "end": "2017-09-30", "val": 27099000, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2017", "unit": "shares" }, { "start": "2015-10-01", "end": "2016-09-30", "val": 26311000, "accn": "0000854775-18-000020", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-11-21", "frame": "CY2016", "unit": "shares" }, { "start": "2014-10-01", "end": "2015-09-30", "val": 25227000, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2015", "unit": "shares" }, { "start": "2013-10-01", "end": "2014-09-30", "val": 25730000, "accn": "0000854775-16-000039", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-12-13", "frame": "CY2014", "unit": "shares" }, { "start": "2012-10-01", "end": "2013-09-30", "val": 26237000, "accn": "0000854775-15-000019", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-11-30", "frame": "CY2013", "unit": "shares" }, { "start": "2011-10-01", "end": "2012-09-30", "val": 26146000, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2012", "unit": "shares" }, { "start": "2010-10-01", "end": "2011-09-30", "val": 25819000, "accn": "0000854775-13-000020", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-11-22", "frame": "CY2011", "unit": "shares" }, { "start": "2009-10-01", "end": "2010-09-30", "val": 25154000, "accn": "0000854775-12-000012", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-11-21", "frame": "CY2010", "unit": "shares" }, { "start": "2008-10-01", "end": "2009-09-30", "val": 25183000, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2009", "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": "2024-10-01", "end": "2025-09-30", "val": 1.1, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2023-10-01", "end": "2024-09-30", "val": 0.62, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2022-10-01", "end": "2023-09-30", "val": 0.69, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2021-10-01", "end": "2022-09-30", "val": 0.55, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2020-10-01", "end": "2021-09-30", "val": 0.32, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2019-10-01", "end": "2020-09-30", "val": 0.29, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2018-10-01", "end": "2019-09-30", "val": 0.36, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2017-10-01", "end": "2018-09-30", "val": 0.06, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2016-10-01", "end": "2017-09-30", "val": 0.36, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2015-10-01", "end": "2016-09-30", "val": 0.65, "accn": "0000854775-18-000020", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-11-21", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2014-10-01", "end": "2015-09-30", "val": 0.27, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2013-10-01", "end": "2014-09-30", "val": 0.07, "accn": "0000854775-16-000039", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-12-13", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2012-10-01", "end": "2013-09-30", "val": 0.22, "accn": "0000854775-15-000019", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-11-30", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2011-10-01", "end": "2012-09-30", "val": 0.3, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2010-10-01", "end": "2011-09-30", "val": 0.44, "accn": "0000854775-13-000020", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-11-22", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2009-10-01", "end": "2010-09-30", "val": 0.36, "accn": "0000854775-12-000012", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-11-21", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2008-10-01", "end": "2009-09-30", "val": 0.16, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2009", "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. A diluted value can equal the basic value without implying no potential dilution.", "observations": [ { "start": "2024-10-01", "end": "2025-09-30", "val": 1.08, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2023-10-01", "end": "2024-09-30", "val": 0.61, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2022-10-01", "end": "2023-09-30", "val": 0.67, "accn": "0000854775-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-11-21", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2021-10-01", "end": "2022-09-30", "val": 0.54, "accn": "0000854775-24-000033", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-11-22", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2020-10-01", "end": "2021-09-30", "val": 0.31, "accn": "0000854775-23-000015", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-11-22", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2019-10-01", "end": "2020-09-30", "val": 0.28, "accn": "0000854775-22-000028", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-11-23", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2018-10-01", "end": "2019-09-30", "val": 0.35, "accn": "0000854775-21-000018", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-11-24", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2017-10-01", "end": "2018-09-30", "val": 0.06, "accn": "0000854775-20-000032", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-11-25", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2016-10-01", "end": "2017-09-30", "val": 0.35, "accn": "0000854775-19-000022", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-11-27", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2015-10-01", "end": "2016-09-30", "val": 0.64, "accn": "0000854775-18-000020", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-11-21", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2014-10-01", "end": "2015-09-30", "val": 0.26, "accn": "0000854775-17-000020", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-11-22", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2013-10-01", "end": "2014-09-30", "val": 0.07, "accn": "0000854775-16-000039", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-12-13", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2012-10-01", "end": "2013-09-30", "val": 0.22, "accn": "0000854775-15-000019", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-11-30", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2011-10-01", "end": "2012-09-30", "val": 0.29, "accn": "0000854775-14-000021", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-12-11", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2010-10-01", "end": "2011-09-30", "val": 0.43, "accn": "0000854775-13-000020", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-11-22", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2009-10-01", "end": "2010-09-30", "val": 0.36, "accn": "0000854775-12-000012", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-11-21", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2008-10-01", "end": "2009-09-30", "val": 0.16, "accn": "0000950123-11-100985", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-11-29", "frame": "CY2009", "unit": "USD/shares" } ] }, { "tag": "IncomeTaxExpenseBenefit", "taxonomy": "us-gaap", "label": "Income tax expense or benefit", "kind": "duration", "unitKind": "money", "meaning": "Current and deferred income tax expense or benefit for continuing operations. 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