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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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This differs from capital expenditure payments alone.", "observations": [ { "start": "2024-09-01", "end": "2025-08-31", "val": -46001000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2025", "unit": "USD" }, { "start": "2023-09-01", "end": "2024-08-31", "val": -13946000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2024", "unit": "USD" }, { "start": "2022-09-01", "end": "2023-08-31", "val": 11342000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2023", "unit": "USD" }, { "start": "2021-09-01", "end": "2022-08-31", "val": -7241000, "accn": "0000006955-24-000046", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-10-21", "frame": "CY2022", "unit": "USD" }, { "start": "2020-09-01", "end": "2021-08-31", "val": 13301000, "accn": "0000006955-23-000034", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-10-20", "frame": "CY2021", "unit": "USD" }, { "start": "2019-09-01", "end": "2020-08-31", "val": 176073000, "accn": "0000006955-22-000031", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-10-25", "frame": "CY2020", "unit": "USD" }, { "start": "2018-09-01", "end": "2019-08-31", "val": 11046000, "accn": "0000006955-21-000031", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-10-25", "frame": "CY2019", "unit": "USD" }, { "start": "2017-09-01", "end": "2018-08-31", "val": -62751000, "accn": "0000006955-20-000046", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-10-26", "frame": "CY2018", "unit": "USD" }, { "start": "2016-09-01", "end": "2017-08-31", "val": -27625000, "accn": "0000006955-19-000033", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-10-29", "frame": "CY2017", "unit": "USD" }, { "start": "2015-09-01", "end": "2016-08-31", "val": -83134000, "accn": "0000006955-18-000038", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-10-29", "frame": "CY2016", "unit": "USD" }, { "start": "2014-09-01", "end": "2015-08-31", "val": -21272000, "accn": "0000006955-17-000038", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-10-26", "frame": "CY2015", "unit": "USD" }, { "start": "2013-09-01", "end": "2014-08-31", "val": 261507000, "accn": "0000006955-16-000084", "fy": 2016, "fp": "Q4", "form": "10-K", "filed": "2016-10-28", "frame": "CY2014", "unit": "USD" }, { "start": "2012-09-01", "end": "2013-08-31", "val": -252682000, "accn": "0000006955-15-000046", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-10-28", "frame": "CY2013", "unit": "USD" }, { "start": "2011-09-01", "end": "2012-08-31", "val": -83548000, "accn": "0000006955-14-000017", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-10-27", "frame": "CY2012", "unit": "USD" }, { "start": "2010-09-01", "end": "2011-08-31", "val": -330960000, "accn": "0000006955-13-000013", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-10-25", "frame": "CY2011", "unit": "USD" }, { "start": "2009-09-01", "end": "2010-08-31", "val": -57080000, "accn": "0001193125-12-437816", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-10-26", "frame": "CY2010", "unit": "USD" }, { "start": "2008-09-01", "end": "2009-08-31", "val": -220559000, "accn": "0001193125-11-285382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-10-28", "frame": "CY2009", "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": "2025-08-31", "val": 284102000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "unit": "USD" }, { "end": "2024-08-31", "val": 261870000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2024Q3I", "unit": "USD" }, { "end": "2023-08-31", "val": 1011112000, "accn": "0000006955-24-000046", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-10-21", "frame": "CY2023Q3I", "unit": "USD" }, { "end": "2022-08-31", "val": 966751000, "accn": "0000006955-23-000034", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-10-20", "frame": "CY2022Q3I", "unit": "USD" }, { "end": "2021-08-31", "val": 953339000, "accn": "0000006955-22-000031", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-10-25", "frame": "CY2021Q3I", "unit": "USD" }, { "end": "2020-08-31", "val": 917671000, "accn": "0000006955-21-000031", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-10-25", "frame": "CY2020Q3I", "unit": "USD" }, { "end": "2019-08-31", "val": 915466000, "accn": "0000006955-20-000046", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-10-26", "frame": "CY2019Q3I", "unit": "USD" }, { "end": "2018-08-31", "val": 1166955000, "accn": "0000006955-19-000033", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-10-29", "frame": "CY2018Q3I", "unit": "USD" }, { "end": "2017-08-31", "val": 1191042000, "accn": "0000006955-18-000038", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-10-29", "frame": "CY2017Q3I", "unit": "USD" }, { "end": "2016-08-31", "val": 1259645000, "accn": "0000006955-17-000038", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-10-26", "frame": "CY2016Q3I", "unit": "USD" }, { "end": "2015-08-31", "val": 1367176000, "accn": "0000006955-16-000084", "fy": 2016, "fp": "Q4", "form": "10-K", "filed": "2016-10-28", "frame": "CY2015Q3I", "unit": "USD" }, { "end": "2014-08-31", "val": 1349602000, "accn": "0000006955-15-000046", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-10-28", "frame": "CY2014Q3I", "unit": "USD" }, { "end": "2013-08-31", "val": 1188685000, "accn": "0000006955-14-000017", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-10-27", "frame": "CY2013Q3I", "unit": "USD" }, { "end": "2012-08-31", "val": 1161564000, "accn": "0000006955-13-000013", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-10-25", "frame": "CY2012Q3I", "unit": "USD" }, { "end": "2011-08-31", "val": 1077192000, "accn": "0001193125-12-437816", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-10-26", "frame": "CY2011Q3I", "unit": "USD" }, { "end": "2010-08-31", "val": 968373000, "accn": "0001193125-11-285382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-10-28", "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. This denominator differs from shares outstanding at a single reporting date.", "observations": [ { "start": "2024-09-01", "end": "2025-08-31", "val": 54049000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2025", "unit": "shares" }, { "start": "2023-09-01", "end": "2024-08-31", "val": 54336000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2024", "unit": "shares" }, { "start": "2022-09-01", "end": "2023-08-31", "val": 56680000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2023", "unit": "shares" }, { "start": "2021-09-01", "end": "2022-08-31", "val": 59538000, "accn": "0000006955-24-000046", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-10-21", "frame": "CY2022", "unit": "shares" }, { "start": "2020-09-01", "end": "2021-08-31", "val": 60024000, "accn": "0000006955-23-000034", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-10-20", "frame": "CY2021", "unit": "shares" }, { "start": "2019-09-01", "end": "2020-08-31", "val": 59952000, "accn": "0000006955-22-000031", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-10-25", "frame": "CY2020", "unit": "shares" }, { "start": "2018-09-01", "end": "2019-08-31", "val": 61151000, "accn": "0000006955-21-000031", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-10-25", "frame": "CY2019", "unit": "shares" }, { "start": "2017-09-01", "end": "2018-08-31", "val": 60441000, "accn": "0000006955-20-000046", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-10-26", "frame": "CY2018", "unit": "shares" }, { "start": "2016-09-01", "end": "2017-08-31", "val": 59436000, "accn": "0000006955-19-000033", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-10-29", "frame": "CY2017", "unit": "shares" }, { "start": "2015-09-01", "end": "2016-08-31", "val": 59010000, "accn": "0000006955-18-000038", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-10-29", "frame": "CY2016", "unit": "shares" }, { "start": "2014-09-01", "end": "2015-08-31", "val": 61262000, "accn": "0000006955-17-000038", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-10-26", "frame": "CY2015", "unit": "shares" }, { "start": "2013-09-01", "end": "2014-08-31", "val": 70942000, "accn": "0000006955-16-000084", "fy": 2016, "fp": "Q4", "form": "10-K", "filed": "2016-10-28", "frame": "CY2014", "unit": "shares" }, { "start": "2012-09-01", "end": "2013-08-31", "val": 72979000, "accn": "0000006955-15-000046", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-10-28", "frame": "CY2013", "unit": "shares" }, { "start": "2011-09-01", "end": "2012-08-31", "val": 70099000, "accn": "0000006955-14-000017", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-10-27", "frame": "CY2012", "unit": "shares" }, { "start": "2010-09-01", "end": "2011-08-31", "val": 68254000, "accn": "0000006955-13-000013", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-10-25", "frame": "CY2011", "unit": "shares" }, { "start": "2009-09-01", "end": "2010-08-31", "val": 67624000, "accn": "0001193125-12-437816", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-10-26", "frame": "CY2010", "unit": "shares" }, { "start": "2008-09-01", "end": "2009-08-31", "val": 58047000, "accn": "0001193125-11-285382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-10-28", "frame": "CY2009", "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": "2024-09-01", "end": "2025-08-31", "val": 54485000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2025", "unit": "shares" }, { "start": "2023-09-01", "end": "2024-08-31", "val": 54862000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2024", "unit": "shares" }, { "start": "2022-09-01", "end": "2023-08-31", "val": 57117000, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2023", "unit": "shares" }, { "start": "2021-09-01", "end": "2022-08-31", "val": 59909000, "accn": "0000006955-24-000046", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-10-21", "frame": "CY2022", "unit": "shares" }, { "start": "2020-09-01", "end": "2021-08-31", "val": 60403000, "accn": "0000006955-23-000034", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-10-20", "frame": "CY2021", "unit": "shares" }, { "start": "2019-09-01", "end": "2020-08-31", "val": 60269000, "accn": "0000006955-22-000031", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-10-25", "frame": "CY2020", "unit": "shares" }, { "start": "2018-09-01", "end": "2019-08-31", "val": 61607000, "accn": "0000006955-21-000031", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-10-25", "frame": "CY2019", "unit": "shares" }, { "start": "2017-09-01", "end": "2018-08-31", "val": 61028000, "accn": "0000006955-20-000046", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-10-26", "frame": "CY2018", "unit": "shares" }, { "start": "2016-09-01", "end": "2017-08-31", "val": 59436000, "accn": "0000006955-19-000033", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-10-29", "frame": "CY2017", "unit": "shares" }, { "start": "2015-09-01", "end": "2016-08-31", "val": 59010000, "accn": "0000006955-18-000038", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-10-29", "frame": "CY2016", "unit": "shares" }, { "start": "2014-09-01", "end": "2015-08-31", "val": 62055000, "accn": "0000006955-17-000038", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-10-26", "frame": "CY2015", "unit": "shares" }, { "start": "2013-09-01", "end": "2014-08-31", "val": 72486000, "accn": "0000006955-16-000084", "fy": 2016, "fp": "Q4", "form": "10-K", "filed": "2016-10-28", "frame": "CY2014", "unit": "shares" }, { "start": "2012-09-01", "end": "2013-08-31", "val": 74580000, "accn": "0000006955-15-000046", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-10-28", "frame": "CY2013", "unit": "shares" }, { "start": "2011-09-01", "end": "2012-08-31", "val": 74940000, "accn": "0000006955-14-000017", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-10-27", "frame": "CY2012", "unit": "shares" }, { "start": "2010-09-01", "end": "2011-08-31", "val": 75305000, "accn": "0000006955-13-000013", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-10-25", "frame": "CY2011", "unit": "shares" }, { "start": "2009-09-01", "end": "2010-08-31", "val": 74209000, "accn": "0001193125-12-437816", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-10-26", "frame": "CY2010", "unit": "shares" }, { "start": "2008-09-01", "end": "2009-08-31", "val": 66064000, "accn": "0001193125-11-285382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-10-28", "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": "2024-09-01", "end": "2025-08-31", "val": 1.72, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2023-09-01", "end": "2024-08-31", "val": 1.58, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2022-09-01", "end": "2023-08-31", "val": 0.82, "accn": "0000006955-25-000030", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-10-17", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2021-09-01", "end": "2022-08-31", "val": 0.26, "accn": "0000006955-24-000046", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-10-21", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2020-09-01", "end": "2021-08-31", "val": 0.63, "accn": "0000006955-23-000034", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-10-20", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2019-09-01", "end": "2020-08-31", "val": 0.01, "accn": "0000006955-22-000031", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-10-25", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2018-09-01", "end": "2019-08-31", "val": -4.07, "accn": "0000006955-21-000031", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-10-25", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2017-09-01", "end": "2018-08-31", "val": -0.36, "accn": "0000006955-20-000046", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-10-26", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2016-09-01", "end": "2017-08-31", "val": -1.11, "accn": "0000006955-19-000033", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-10-29", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2015-09-01", "end": "2016-08-31", "val": -1.78, "accn": "0000006955-18-000038", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-10-29", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2014-09-01", "end": "2015-08-31", "val": 0.32, "accn": "0000006955-17-000038", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-10-26", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2013-09-01", "end": "2014-08-31", "val": 2.31, "accn": "0000006955-16-000084", "fy": 2016, "fp": "Q4", "form": "10-K", "filed": "2016-10-28", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2012-09-01", "end": "2013-08-31", "val": 0.41, "accn": "0000006955-15-000046", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-10-28", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2011-09-01", "end": "2012-08-31", "val": 1.25, "accn": "0000006955-14-000017", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-10-27", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2010-09-01", "end": "2011-08-31", "val": 1.63, "accn": "0000006955-13-000013", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-10-25", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2009-09-01", "end": "2010-08-31", "val": 0.36, "accn": "0001193125-12-437816", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-10-26", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2008-09-01", "end": "2009-08-31", "val": 0.24, "accn": "0001193125-11-285382", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2011-10-28", "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. 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