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Condensed Consolidated Statements of Shareholders' Equity (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 Stockholders' Equity [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