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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Mar. 31, 2021 | Mar. 31, 2020
Statement of Comprehensive Income [Abstract] |  |  |  |  |  |  |  |
Change in fair value of interest rate swap, taxes | $ 2,299 | $ 782 | $ (152) | $ (8,475) | $ 989 |  | $ 2,929 | $ (7,486)
Pension adjustment tax |  |  |  |  | $ (92) | $ 23 |  | $ 46

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