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Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Mar. 31, 2025
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 209,567 $ 208,278
Accumulated Amortization (193,261) (183,648)
Net Carrying Amount 16,306 24,630
Effects of foreign currency translation, gross carrying amount 669 (620)
Effects of foreign currency translation, accumulated amortization (774) 137
Effects of foreign currency translation, net carrying amount (105) (483)
Trademarks and trade names    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 32,390 32,390
Accumulated Amortization (29,994) (28,675)
Net Carrying Amount 2,396 3,715
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 107,421 107,421
Accumulated Amortization (100,727) (96,464)
Net Carrying Amount 6,694 10,957
Customer contracts/relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 69,087 69,087
Accumulated Amortization (61,766) (58,646)
Net Carrying Amount $ 7,321 $ 10,441