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Goodwill and Other Intangible Assets - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Mar. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 216,187 $ 216,187
Accumulated Amortization (110,923) (97,188)
Net Carrying Amount 105,264 118,999
Trademark and trade names    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 36,370 36,370
Accumulated Amortization (16,120) (13,659)
Net Carrying Amount 20,250 22,711
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 95,207 95,207
Accumulated Amortization (68,883) (62,341)
Net Carrying Amount 26,324 32,866
Customer contracts/relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 84,610 84,610
Accumulated Amortization (25,920) (21,188)
Net Carrying Amount $ 58,690 $ 63,422