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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Adjustment for pension and postretirement benefit liability, tax | $ 14 | $ 19 | $ 42 | $ 57
Adjustment for interest rate swap, tax | $ 704 | $ 31 | $ 717 | $ 74

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