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Condensed Consolidated Statements Of Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |
Tax effect included in net pension and postretirement benefit gains (losses) | $ (14) |  | $ 20 | $ 23 | $ 23 | $ 23
Tax effect included in pension settlement charge | $ 0 | $ 3,264 |  | $ 0 |  |
Tax effect included in other net pension and postretirement benefit losses |  | $ (341) |  |  |  |
Common stock, dividends per share (in dollars per share) | $ 0.95 | $ 0.95 | $ 0.90 | $ 0.90 | $ 0.90 | $ 0.85

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