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Goodwill and Other Intangible Assets - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 213,887 $ 160,555
Accumulated Amortization (90,244) (73,008)
Net Carrying Amount 123,643 87,547
Trademark and trade names    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 36,370 23,870
Accumulated Amortization (12,430) (9,482)
Net Carrying Amount 23,940 14,388
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 95,207 77,175
Accumulated Amortization (59,070) (50,755)
Net Carrying Amount 36,137 26,420
Customer contracts/relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 82,310 59,510
Accumulated Amortization (18,744) (12,771)
Net Carrying Amount $ 63,566 $ 46,739