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Restructuring - Schedule of Restructuring Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Restructuring Reserve [Roll Forward]          
Charges/Credits $ (364)   $ 119 $ 114 $ 10,040
Termination Benefits          
Restructuring Reserve [Roll Forward]          
Accrual beginning balance 2,911 $ 4,389   4,389  
Charges/Credits (364) 478      
Cash payments (1,140) (1,956)      
Accrual ending balance $ 1,407 $ 2,911   $ 1,407