{ "schema": "canli.company-reference.v1", "cik": "0000720858", "name": "INVESTORS TITLE CO", "selection_policy": "extended-v22", "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000720858.json", "source_sha256": "c8dcc166172dddc9a057030e9c50ba109b5234a0614ed05c3a689de1143be795", "fetched_at": "2026-09-19T14:59:48.213Z", "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": "2025-12-31", "val": 363138000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "unit": "USD" }, { "end": "2024-12-31", "val": 333571000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 330559000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 339757000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 331488000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 282925000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 263893000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 244268000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 248913000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 228938000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 211522029, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 198039210, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 188305816, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 171918276, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 157958463, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 153485366, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010Q4I", "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": "2025-12-31", "val": 94838000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "unit": "USD" }, { "end": "2024-12-31", "val": 81798000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 79006000, "accn": "0000720858-25-000007", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-17", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 98746000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 102401000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 82503000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 72531000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 68629000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 70992000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 73802168, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 68744949, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 60475504, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 59698173, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 56785525, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 51446279, "accn": "0001157523-13-001407", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-14", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 49556551, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010Q4I", "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": "2025-12-31", "val": 20838000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "unit": "USD" }, { "end": "2024-12-31", "val": 24654000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 24031000, "accn": "0000720858-25-000007", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-17", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 35311000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 37168000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 13723000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 25949000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "unit": "USD" }, { "end": "2018-12-31", "val": 18694000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "unit": "USD" }, { "end": "2017-12-31", "val": 20214000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 27928000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 21790000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 15826515, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 23626761, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 20810018, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 18042258, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 8117031, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2010Q4I", "unit": "USD" }, { "end": "2009-12-31", "val": 8733221, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2009Q4I", "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": "2025-01-01", "end": "2025-12-31", "val": 35180000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 31073000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 21686000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 23903000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 67020000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 39420000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 31458000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 21892000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 25707000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 19523000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 12533905, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 9648975, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 14708210, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 11102496, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 6933936, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 6372626, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "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": "2025-01-01", "end": "2025-12-31", "val": 30939000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 29840000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 7426000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 36204000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 51931000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 34095000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 20916000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 24386000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 19893000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 22567000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 16916506, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 9683980, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 15304485, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 8685413, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 9007159, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 4226501, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "PaymentsToAcquirePropertyPlantAndEquipment", "taxonomy": "us-gaap", "label": "Capital expenditure payments", "kind": "duration", "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 5556000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 7423000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 9186000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 5681000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 6534000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 3202000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 1486000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 1859000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 2884000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 2457000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 2742619, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 2017379, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 1424108, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 568728, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 361207, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 317530, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "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": "2025-01-01", "end": "2025-12-31", "val": 272755000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 258298000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 224750000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 283392000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 329498000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 236408000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 183502000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 156259000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 161627000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 138488000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 127200072, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 123119286, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 126251497, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 115079092, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 90685156, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 71309355, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "RevenueFromContractWithCustomerExcludingAssessedTax", "taxonomy": "us-gaap", "label": "Contract revenue excluding tax", "kind": "duration", "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 40910000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 35147000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 36346000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 36245000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 23345000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 17014000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 17396000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 14178000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 13020000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 8183000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInFinancingActivities", "taxonomy": "us-gaap", "label": "Financing cash flow", "kind": "duration", "unitKind": "money", "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": -19932000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": -30964000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": -12007000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": -9315000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": -37554000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": -31721000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": -18150000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": -23099000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -7319000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": -7590000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": -6253872, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": -1831156, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -3934672, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": -4437008, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": -6384541, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": -878004, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "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": "2025-01-01", "end": "2025-12-31", "val": -14823000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 1747000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": -6699000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": -28746000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 9068000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": -14600000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 4489000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": -2807000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -20288000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": -8839000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": -4699081, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": -15653070, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -8553070, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": -1480645, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 7302609, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": -3964687, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "RetainedEarningsAccumulatedDeficit", "taxonomy": "us-gaap", "label": "Retained earnings or deficit", "kind": "instant", "unitKind": "money", "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.", "observations": [ { "end": "2025-12-31", "val": 267209000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "unit": "USD" }, { "end": "2024-12-31", "val": 251418000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 250915000, "accn": "0000720858-25-000007", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-17", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 240811000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 225861000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 196096000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 188262000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 174690000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 161891000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 143283621, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 131186866, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 124707196, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 116714749, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 105820459, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 99003018, "accn": "0001157523-13-001407", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-14", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 98240109, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010Q4I", "unit": "USD" } ] }, { "tag": "WeightedAverageNumberOfSharesOutstandingBasic", "taxonomy": "us-gaap", "label": "Basic weighted-average shares", "kind": "duration", "unitKind": "shares", "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 1887000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 1885000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 1893000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 1897000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 1894000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 1892000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 1888000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 1887000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 1886000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 1908000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 1984360, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 2031760, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 2056169, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "shares" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 2081703, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 2151350, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 2284657, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "shares" } ] }, { "tag": "WeightedAverageNumberOfDilutedSharesOutstanding", "taxonomy": "us-gaap", "label": "Diluted weighted-average shares", "kind": "duration", "unitKind": "shares", "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 1895000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 1892000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 1893000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 1898000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 1900000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 1896000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 1896000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 1897000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 1896000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 1915000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 1989799, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 2037534, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 2076628, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "shares" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 2116793, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 2169636, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 2289847, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "shares" } ] }, { "tag": "EarningsPerShareBasic", "taxonomy": "us-gaap", "label": "Basic earnings per share", "kind": "duration", "unitKind": "per-share", "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 18.64, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD/shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 16.48, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD/shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 11.45, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD/shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 12.6, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD/shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 35.38, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD/shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 20.84, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD/shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 16.66, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD/shares" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 11.6, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD/shares" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 13.63, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD/shares" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 10.23, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD/shares" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 6.32, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD/shares" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 4.75, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD/shares" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 7.15, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD/shares" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 5.33, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD/shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 3.22, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD/shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 2.79, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "USD/shares" } ] }, { "tag": "EarningsPerShareDiluted", "taxonomy": "us-gaap", "label": "Diluted earnings per share", "kind": "duration", "unitKind": "per-share", "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. 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This accounting expense differs from cash taxes paid.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 9369000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 8390000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 4544000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 6205000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 17912000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 10241000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 8365000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 5210000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 4570000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 8616000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 5228000, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 3816000, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 6746000, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 4889000, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 2565000, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 2243000, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "PropertyPlantAndEquipmentNet", "taxonomy": "us-gaap", "label": "Net property, plant and equipment", "kind": "instant", "unitKind": "money", "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.", "observations": [ { "end": "2025-12-31", "val": 29397000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "unit": "USD" }, { "end": "2024-12-31", "val": 27935000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 23886000, "accn": "0000720858-25-000007", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-17", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 17785000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 13033000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 11160000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 9776000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 10304000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 10173000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 8753466, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 7148951, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 5460805, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 4325538, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 3603323, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 3553216, "accn": "0001157523-13-001407", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-14", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 3672317, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010Q4I", "unit": "USD" } ] }, { "tag": "ShareBasedCompensation", "taxonomy": "us-gaap", "label": "Share-based compensation expense", "kind": "duration", "unitKind": "money", "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 543000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 394000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 425000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 362000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 299000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 229000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 264000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 327000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 219000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 132000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 137762, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 120891, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 83852, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 74553, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 213514, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 216669, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "Goodwill", "taxonomy": "us-gaap", "label": "Goodwill carrying amount", "kind": "instant", "unitKind": "money", "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.", "observations": [ { "end": "2025-12-31", "val": 9300000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025Q4I", "unit": "USD" }, { "end": "2024-12-31", "val": 9600000, "accn": "0000720858-25-000007", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-17", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 9600000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 9600000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 7200000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 4400000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 4400000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 4400000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 4349851, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 4349851, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "unit": "USD" } ] }, { "tag": "FiniteLivedIntangibleAssetsNet", "taxonomy": "us-gaap", "label": "Net finite-lived intangible assets", "kind": "instant", "unitKind": "money", "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.", "observations": [ { "end": "2025-12-31", "val": 11460000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025Q4I", "unit": "USD" }, { "end": "2024-12-31", "val": 5259000, "accn": "0000720858-25-000007", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-03-17", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 6437000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 7799000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 8560000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 5421000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 5926000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 6430000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 7007000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 7906790, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 1220585, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 1290269, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 1359953, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 1429637, "accn": "0001157523-13-001407", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-03-14", "frame": "CY2012Q4I", "unit": "USD" } ] }, { "tag": "PaymentsForRepurchaseOfCommonStock", "taxonomy": "us-gaap", "label": "Common-stock repurchase payments", "kind": "duration", "unitKind": "money", "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 0, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 1099000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 959000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 133000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 0, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 6000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 19000, "accn": "0000720858-21-000008", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-03-15", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 29000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 246000, "accn": "0000720858-20-000009", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-03-11", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 6220000, "accn": "0000720858-19-000009", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-03-13", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 5483953, "accn": "0000720858-18-000006", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-03-12", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 1055765, "accn": "0000720858-17-000008", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-03-10", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 4262260, "accn": "0000720858-16-000027", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-03-11", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 3975532, "accn": "0000720858-15-000004", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-03-13", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 5940463, "accn": "0000720858-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-03-14", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 378770, "accn": "0001157523-12-001393", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-03-15", "frame": "CY2010", "unit": "USD" } ] }, { "tag": "OperatingExpenses", "taxonomy": "us-gaap", "label": "Operating expenses", "kind": "duration", "unitKind": "money", "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 228206000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 218835000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 198520000, "accn": "0000720858-26-000011", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-03-16", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 253284000, "accn": "0000720858-24-000003", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-03-15", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 244566000, "accn": "0000720858-23-000008", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-03-14", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 186747000, "accn": "0000720858-22-000007", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-03-14", "frame": "CY2020", "unit": "USD" } ] } ], "source_snapshot": "/company-data/sources/c8dcc166172dddc9a057030e9c50ba109b5234a0614ed05c3a689de1143be795.json.gz" }