INCOME TAXES - Summary of Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Deferred tax assets:
Accrued expenses	$ 6,074	$ 8,721
Capitalized R&D expenses	40,909	0
Deferred revenue	24,112	17,267
Reserves	3,902	3,106
Pension and other retiree benefits	2,319	4,903
Net operating loss carryforwards	9,016	11,611
Tax credit carryforwards	21,512	21,132
Share-based compensation	7,338	6,172
Operating lease liability	14,020	15,639
Other deferred tax assets	35	658
Total gross deferred tax assets	129,237	89,209
Valuation allowance	(15,612)	(13,160)
Net deferred tax assets	113,625	76,049
Deferred tax liabilities:
Intangible assets	(104,245)	(117,839)
Operating lease right-of-use asset	(11,854)	(13,189)
Depreciation	(5,563)	(6,612)
Other deferred tax liabilities	(12,368)	(10,425)
Total deferred tax liabilities	$ (20,405)	$ (72,016)