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Note 6 - Goodwill and Intangible Assets, Net - Other Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Mar. 31, 2022
Gross carrying amount $ 317,467 $ 335,400
Accumulated amortization (95,196) (85,283)
Net carrying amount 222,271 250,117
Customer Relationships [Member]    
Gross carrying amount 228,914 244,157
Accumulated amortization (73,566) (67,469)
Net carrying amount 155,348 176,688
Intellectual Property [Member]    
Gross carrying amount 64,230 65,893
Accumulated amortization (15,762) (12,620)
Net carrying amount 48,468 53,273
Other Intangible Assets [Member]    
Gross carrying amount 24,323 25,350
Accumulated amortization (5,868) (5,194)
Net carrying amount $ 18,455 $ 20,156