{ "schema": "canli.company-reference.v1", "cik": "0000055529", "name": "KEWAUNEE SCIENTIFIC CORPORATION", "selection_policy": "extended-v22", "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000055529.json", "source_sha256": "6d49933df755fd8e8d34d5f5b292e182b56cb2896fa9e73e6ba2bbe06df4f847", "fetched_at": "2026-09-19T14:48:30.513Z", "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.", "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. 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. Book assets are not the market value of the business.", "observations": [ { "end": "2026-04-30", "val": 178311000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "unit": "USD" }, { "end": "2025-04-30", "val": 194654000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025Q1I", "unit": "USD" }, { "end": "2024-04-30", "val": 134766000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2024Q1I", "unit": "USD" }, { "end": "2023-04-30", "val": 118898000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2023Q1I", "unit": "USD" }, { "end": "2022-04-30", "val": 118773000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2022Q1I", "unit": "USD" }, { "end": "2021-04-30", "val": 89384000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-04-30", "val": 83929000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-04-30", "val": 87223000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-04-30", "val": 85083000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-04-30", "val": 80916000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-04-30", "val": 72405000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-04-30", "val": 69490000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-04-30", "val": 62717000, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-04-30", "val": 68742000, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-04-30", "val": 63361000, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-04-30", "val": 63058000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2011Q1I", "unit": "USD" } ] }, { "tag": "Liabilities", "taxonomy": "us-gaap", "label": "Total liabilities", "kind": "instant", "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.", "observations": [ { "end": "2026-04-30", "val": 101499000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "unit": "USD" }, { "end": "2025-04-30", "val": 128409000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025Q1I", "unit": "USD" }, { "end": "2024-04-30", "val": 78557000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2024Q1I", "unit": "USD" }, { "end": "2023-04-30", "val": 80413000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2023Q1I", "unit": "USD" }, { "end": "2022-04-30", "val": 82593000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2022Q1I", "unit": "USD" }, { "end": "2021-04-30", "val": 47897000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-04-30", "val": 45226000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-04-30", "val": 39520000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-04-30", "val": 36891000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-04-30", "val": 37659000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-04-30", "val": 33853000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-04-30", "val": 34291000, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-04-30", "val": 28493000, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-04-30", "val": 35049000, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-04-30", "val": 31703000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-04-30", "val": 30042000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "frame": "CY2011Q1I", "unit": "USD" } ] }, { "tag": "StockholdersEquity", "taxonomy": "us-gaap", "label": "Stockholders equity", "kind": "instant", "meaning": "The reported residual interest after liabilities. 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Restricted cash and longer-term investments may be reported separately.", "observations": [ { "end": "2026-04-30", "val": 9950000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "unit": "USD" }, { "end": "2025-04-30", "val": 14942000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025Q1I", "unit": "USD" }, { "end": "2024-04-30", "val": 23267000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2024Q1I", "unit": "USD" }, { "end": "2023-04-30", "val": 8078000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2023Q1I", "unit": "USD" }, { "end": "2022-04-30", "val": 4433000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2022Q1I", "unit": "USD" }, { "end": "2021-04-30", "val": 5206000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-04-30", "val": 4365000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-04-30", "val": 10647000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-04-30", "val": 9716000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-04-30", "val": 12506000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-04-30", "val": 5222000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-04-30", "val": 3044000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "unit": "USD" }, { "end": "2015-04-26", "val": 3044000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-04-30", "val": 6248000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-04-30", "val": 5811000, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-04-30", "val": 6188000, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-04-30", "val": 2402000, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2011Q1I", "unit": "USD" }, { "end": "2010-04-30", "val": 1722000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010Q1I", "unit": "USD" }, { "end": "2009-04-30", "val": 3559000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "frame": "CY2009Q1I", "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": "2025-05-01", "end": "2026-04-30", "val": 9618000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "unit": "USD" }, { "start": "2024-05-01", "end": "2025-04-30", "val": 11405000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "unit": "USD" }, { "start": "2023-05-01", "end": "2024-04-30", "val": 18753000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "unit": "USD" }, { "start": "2022-05-01", "end": "2023-04-30", "val": 738000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "USD" }, { "start": "2021-05-01", "end": "2022-04-30", "val": -6126000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "USD" }, { "start": "2020-05-01", "end": "2021-04-30", "val": -3672000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "USD" }, { "start": "2019-05-01", "end": "2020-04-30", "val": -4687000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-05-01", "end": "2019-04-30", "val": 1529000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "USD" }, { "start": "2017-05-01", "end": "2018-04-30", "val": 5281000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-05-01", "end": "2017-04-30", "val": 4515000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "USD" }, { "start": "2015-05-01", "end": "2016-04-30", "val": 3802000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2015", "unit": "USD" }, { "start": "2015-04-27", "end": "2016-04-30", "val": 3802000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "unit": "USD" }, { "start": "2014-05-01", "end": "2015-04-30", "val": 3529000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2014", "unit": "USD" }, { "start": "2013-05-01", "end": "2014-04-30", "val": 3895000, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2013", "unit": "USD" }, { "start": "2012-05-01", "end": "2013-04-30", "val": 3044000, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2012", "unit": "USD" }, { "start": "2011-05-01", "end": "2012-04-30", "val": 1031000, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2011", "unit": "USD" }, { "start": "2010-05-01", "end": "2011-04-30", "val": 1850000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010", "unit": "USD" }, { "start": "2009-05-01", "end": "2010-04-30", "val": 3572000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "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": "2025-05-01", "end": "2026-04-30", "val": 18633000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025", "unit": "USD" }, { "start": "2024-05-01", "end": "2025-04-30", "val": 14783000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2024", "unit": "USD" }, { "start": "2023-05-01", "end": "2024-04-30", "val": 19564000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2023", "unit": "USD" }, { "start": "2022-05-01", "end": "2023-04-30", "val": -3790000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "USD" }, { "start": "2021-05-01", "end": "2022-04-30", "val": -7885000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "USD" }, { "start": "2020-05-01", "end": "2021-04-30", "val": 912000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "USD" }, { "start": "2019-05-01", "end": "2020-04-30", "val": 4161000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-05-01", "end": "2019-04-30", "val": 2490000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "USD" }, { "start": "2017-05-01", "end": "2018-04-30", "val": 3183000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-05-01", "end": "2017-04-30", "val": 11662000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-27", "end": "2016-04-30", "val": 7271000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2015", "unit": "USD" }, { "start": "2012-05-01", "end": "2013-04-30", "val": 3827000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2012", "unit": "USD" }, { "start": "2011-05-01", "end": "2012-04-30", "val": 6923000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2011", "unit": "USD" }, { "start": "2010-05-01", "end": "2011-04-30", "val": 1271000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010", "unit": "USD" }, { "start": "2009-05-01", "end": "2010-04-30", "val": 4533000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "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": "2016-05-01", "end": "2017-04-30", "val": 138558000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2016", "unit": "USD" }, { "start": "2015-05-01", "end": "2016-04-30", "val": 128626000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2015", "unit": "USD" }, { "start": "2014-05-01", "end": "2015-04-30", "val": 118828000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2014", "unit": "USD" }, { "start": "2013-05-01", "end": "2014-04-30", "val": 111166000, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2013", "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": "2025-05-01", "end": "2026-04-30", "val": 281999000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025", "unit": "USD" }, { "start": "2024-05-01", "end": "2025-04-30", "val": 240472000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2024", "unit": "USD" }, { "start": "2023-05-01", "end": "2024-04-30", "val": 203755000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2023", "unit": "USD" }, { "start": "2022-05-01", "end": "2023-04-30", "val": 219494000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "USD" }, { "start": "2021-05-01", "end": "2022-04-30", "val": 168872000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "USD" }, { "start": "2020-05-01", "end": "2021-04-30", "val": 147469000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "USD" }, { "start": "2019-05-01", "end": "2020-04-30", "val": 147540000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-05-01", "end": "2019-04-30", "val": 146550000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "USD" }, { "start": "2017-05-01", "end": "2018-04-30", "val": 158050000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-05-01", "end": "2017-04-30", "val": 138558000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-27", "end": "2016-04-30", "val": 128626000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2015", "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": "2025-05-01", "end": "2026-04-30", "val": -19326000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025", "unit": "USD" }, { "start": "2024-05-01", "end": "2025-04-30", "val": 7411000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2024", "unit": "USD" }, { "start": "2023-05-01", "end": "2024-04-30", "val": -3014000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2023", "unit": "USD" }, { "start": "2022-05-01", "end": "2023-04-30", "val": 14931000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "USD" }, { "start": "2021-05-01", "end": "2022-04-30", "val": 11031000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "USD" }, { "start": "2020-05-01", "end": "2021-04-30", "val": 1982000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "USD" }, { "start": "2019-05-01", "end": "2020-04-30", "val": -7458000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-05-01", "end": "2019-04-30", "val": 2334000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "USD" }, { "start": "2017-05-01", "end": "2018-04-30", "val": -2484000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-05-01", "end": "2017-04-30", "val": -2084000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-27", "end": "2016-04-30", "val": -3404000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2015", "unit": "USD" }, { "start": "2012-05-01", "end": "2013-04-30", "val": -1718000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2012", "unit": "USD" }, { "start": "2011-05-01", "end": "2012-04-30", "val": -1086000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2011", "unit": "USD" }, { "start": "2010-05-01", "end": "2011-04-30", "val": 4505000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010", "unit": "USD" }, { "start": "2009-05-01", "end": "2010-04-30", "val": -2286000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "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. This differs from capital expenditure payments alone.", "observations": [ { "start": "2025-05-01", "end": "2026-04-30", "val": -3937000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025", "unit": "USD" }, { "start": "2024-05-01", "end": "2025-04-30", "val": -30901000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2024", "unit": "USD" }, { "start": "2023-05-01", "end": "2024-04-30", "val": -4373000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2023", "unit": "USD" }, { "start": "2022-05-01", "end": "2023-04-30", "val": -4148000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "USD" }, { "start": "2021-05-01", "end": "2022-04-30", "val": -1908000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "USD" }, { "start": "2020-05-01", "end": "2021-04-30", "val": -2397000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "USD" }, { "start": "2019-05-01", "end": "2020-04-30", "val": -2465000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-05-01", "end": "2019-04-30", "val": -4213000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "USD" }, { "start": "2017-05-01", "end": "2018-04-30", "val": -3395000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-05-01", "end": "2017-04-30", "val": -2479000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "USD" }, { "start": "2015-04-27", "end": "2016-04-30", "val": -1478000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2015", "unit": "USD" }, { "start": "2012-05-01", "end": "2013-04-30", "val": -2392000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2012", "unit": "USD" }, { "start": "2011-05-01", "end": "2012-04-30", "val": -1586000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2011", "unit": "USD" }, { "start": "2010-05-01", "end": "2011-04-30", "val": -5256000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010", "unit": "USD" }, { "start": "2009-05-01", "end": "2010-04-30", "val": -4327000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "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": "2026-04-30", "val": 68537000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "unit": "USD" }, { "end": "2025-04-30", "val": 58919000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025Q1I", "unit": "USD" }, { "end": "2024-04-30", "val": 47514000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2024Q1I", "unit": "USD" }, { "end": "2023-04-30", "val": 28761000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2023Q1I", "unit": "USD" }, { "end": "2022-04-30", "val": 28023000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2022Q1I", "unit": "USD" }, { "end": "2021-04-30", "val": 34149000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2021Q1I", "unit": "USD" }, { "end": "2020-04-30", "val": 37821000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2020Q1I", "unit": "USD" }, { "end": "2019-04-30", "val": 43552000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2019Q1I", "unit": "USD" }, { "end": "2018-04-30", "val": 43836000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2018Q1I", "unit": "USD" }, { "end": "2017-04-30", "val": 39771000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2017Q1I", "unit": "USD" }, { "end": "2016-04-30", "val": 36826000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2016Q1I", "unit": "USD" }, { "end": "2015-04-30", "val": 34385000, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2015Q1I", "unit": "USD" }, { "end": "2014-04-30", "val": 32090000, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2014Q1I", "unit": "USD" }, { "end": "2013-04-30", "val": 31191000, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2013Q1I", "unit": "USD" }, { "end": "2012-04-30", "val": 29218000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2012Q1I", "unit": "USD" }, { "end": "2011-04-30", "val": 29218000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "frame": "CY2011Q1I", "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": "2025-05-01", "end": "2026-04-30", "val": 2863000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025", "unit": "shares" }, { "start": "2024-05-01", "end": "2025-04-30", "val": 2862000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2024", "unit": "shares" }, { "start": "2023-05-01", "end": "2024-04-30", "val": 2879000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2023", "unit": "shares" }, { "start": "2022-05-01", "end": "2023-04-30", "val": 2824000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "shares" }, { "start": "2021-05-01", "end": "2022-04-30", "val": 2786000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "shares" }, { "start": "2020-05-01", "end": "2021-04-30", "val": 2760000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "shares" }, { "start": "2019-05-01", "end": "2020-04-30", "val": 2750000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "shares" }, { "start": "2018-05-01", "end": "2019-04-30", "val": 2742000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "shares" }, { "start": "2017-05-01", "end": "2018-04-30", "val": 2720000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "shares" }, { "start": "2016-05-01", "end": "2017-04-30", "val": 2705000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "shares" }, { "start": "2015-05-01", "end": "2016-04-30", "val": 2667000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2015", "unit": "shares" }, { "start": "2015-04-27", "end": "2016-04-30", "val": 2667000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "unit": "shares" }, { "start": "2014-05-01", "end": "2015-04-30", "val": 2626000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2014", "unit": "shares" }, { "start": "2013-05-01", "end": "2014-04-30", "val": 2608000, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2013", "unit": "shares" }, { "start": "2012-05-01", "end": "2013-04-30", "val": 2587000, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2012", "unit": "shares" }, { "start": "2011-05-01", "end": "2012-04-30", "val": 2579000, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2011", "unit": "shares" }, { "start": "2010-05-01", "end": "2011-04-30", "val": 2575000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010", "unit": "shares" }, { "start": "2009-05-01", "end": "2010-04-30", "val": 2564000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "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": "2025-05-01", "end": "2026-04-30", "val": 2983000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025", "unit": "shares" }, { "start": "2024-05-01", "end": "2025-04-30", "val": 2979000, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2024", "unit": "shares" }, { "start": "2023-05-01", "end": "2024-04-30", "val": 2938000, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2023", "unit": "shares" }, { "start": "2022-05-01", "end": "2023-04-30", "val": 2902000, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "shares" }, { "start": "2021-05-01", "end": "2022-04-30", "val": 2786000, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "shares" }, { "start": "2020-05-01", "end": "2021-04-30", "val": 2760000, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "shares" }, { "start": "2019-05-01", "end": "2020-04-30", "val": 2750000, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "shares" }, { "start": "2018-05-01", "end": "2019-04-30", "val": 2794000, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "shares" }, { "start": "2017-05-01", "end": "2018-04-30", "val": 2777000, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "shares" }, { "start": "2016-05-01", "end": "2017-04-30", "val": 2726000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "shares" }, { "start": "2015-05-01", "end": "2016-04-30", "val": 2687000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2015", "unit": "shares" }, { "start": "2015-04-27", "end": "2016-04-30", "val": 2687000, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "unit": "shares" }, { "start": "2014-05-01", "end": "2015-04-30", "val": 2658000, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2014", "unit": "shares" }, { "start": "2013-05-01", "end": "2014-04-30", "val": 2634000, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2013", "unit": "shares" }, { "start": "2012-05-01", "end": "2013-04-30", "val": 2600000, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2012", "unit": "shares" }, { "start": "2011-05-01", "end": "2012-04-30", "val": 2580000, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2011", "unit": "shares" }, { "start": "2010-05-01", "end": "2011-04-30", "val": 2585000, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010", "unit": "shares" }, { "start": "2009-05-01", "end": "2010-04-30", "val": 2575000, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "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": "2025-05-01", "end": "2026-04-30", "val": 3.36, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2024-05-01", "end": "2025-04-30", "val": 3.98, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2023-05-01", "end": "2024-04-30", "val": 6.51, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2022-05-01", "end": "2023-04-30", "val": 0.26, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2021-05-01", "end": "2022-04-30", "val": -2.2, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2020-05-01", "end": "2021-04-30", "val": -1.33, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2019-05-01", "end": "2020-04-30", "val": -1.7, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2018-05-01", "end": "2019-04-30", "val": 0.56, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-05-01", "end": "2018-04-30", "val": 1.94, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-05-01", "end": "2017-04-30", "val": 1.67, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-05-01", "end": "2016-04-30", "val": 1.43, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2015-04-27", "end": "2016-04-30", "val": 1.43, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "unit": "USD/shares" }, { "start": "2014-05-01", "end": "2015-04-30", "val": 1.34, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-05-01", "end": "2014-04-30", "val": 1.49, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-05-01", "end": "2013-04-30", "val": 1.18, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-05-01", "end": "2012-04-30", "val": 0.4, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-05-01", "end": "2011-04-30", "val": 0.72, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-05-01", "end": "2010-04-30", "val": 1.39, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "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": "2025-05-01", "end": "2026-04-30", "val": 3.22, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2024-05-01", "end": "2025-04-30", "val": 3.83, "accn": "0000055529-26-000020", "fy": 2026, "fp": "FY", "form": "10-K", "filed": "2026-06-26", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2023-05-01", "end": "2024-04-30", "val": 6.38, "accn": "0000055529-25-000026", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2025-07-02", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2022-05-01", "end": "2023-04-30", "val": 0.25, "accn": "0000055529-24-000021", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2024-06-28", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2021-05-01", "end": "2022-04-30", "val": -2.2, "accn": "0000055529-23-000013", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2023-06-30", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2020-05-01", "end": "2021-04-30", "val": -1.33, "accn": "0000055529-22-000012", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2022-07-01", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2019-05-01", "end": "2020-04-30", "val": -1.7, "accn": "0000055529-21-000013", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2021-07-15", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2018-05-01", "end": "2019-04-30", "val": 0.55, "accn": "0000055529-20-000010", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2020-07-27", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-05-01", "end": "2018-04-30", "val": 1.9, "accn": "0000055529-19-000040", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2019-07-11", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-05-01", "end": "2017-04-30", "val": 1.66, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-05-01", "end": "2016-04-30", "val": 1.42, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2015-04-27", "end": "2016-04-30", "val": 1.42, "accn": "0001193125-18-222169", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2018-07-20", "unit": "USD/shares" }, { "start": "2014-05-01", "end": "2015-04-30", "val": 1.33, "accn": "0001193125-17-232965", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2017-07-21", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-05-01", "end": "2014-04-30", "val": 1.48, "accn": "0001193125-16-653120", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2016-07-21", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-05-01", "end": "2013-04-30", "val": 1.17, "accn": "0001193125-15-256731", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2015-07-20", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-05-01", "end": "2012-04-30", "val": 0.4, "accn": "0001193125-14-272359", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2014-07-18", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-05-01", "end": "2011-04-30", "val": 0.72, "accn": "0001193125-13-297072", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2013-07-22", "frame": "CY2010", "unit": "USD/shares" }, { "start": "2009-05-01", "end": "2010-04-30", "val": 1.39, "accn": "0001193125-12-301987", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2012-07-13", "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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