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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-Based Payment Arrangement, Recognized Amount [Abstract]        
Tax on reclassifications of losses to net income on derivatives $ (79) $ (79) $ (238) $ (238)
Tax on adjustment to postemployment benefit obligation $ 58 $ 112 $ 174 $ (2,836)