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Revenue Recognition - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 5 Months Ended 6 Months Ended
Sep. 30, 2020
Aug. 31, 2020
Sep. 30, 2019
Aug. 31, 2020
Sep. 30, 2019
Allowance for Doubtful Accounts Receivable [Roll Forward]          
Balance at beginning of period $ (15,361) $ (14,985) $ (7,250) $ (15,893) $ (13,381)
Write-offs 270 (376) 8 532 6,139
Balance at end of period (15,091) (15,361) (7,242) (15,361) (7,242)
Trade receivables 170,622 167,670 209,688 167,670 209,688
Trade receivables, net $ 155,531 $ 152,309 $ 202,446 $ 152,309 $ 202,446