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INCOME TAXES - Schedule of Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses | $ 5,056 | $ 4,986
Capitalized R&D expenses | 92,427 | 71,205
Deferred revenue | 20,356 | 21,482
Reserves | 2,378 | 2,650
Pension and other retiree benefits | 2,265 | 2,733
Net operating loss carryforwards | 6,532 | 8,199
Tax credit carryforwards | 32,042 | 29,109
Share-based compensation | 7,140 | 8,233
Operating lease liability | 10,503 | 12,292
Total gross deferred tax assets | 178,699 | 160,889
Valuation allowance | (23,088) | (21,183)
Net deferred tax assets | 155,611 | 139,706
Deferred tax liabilities: |  |
Intangible assets | (65,979) | (86,170)
Operating lease right-of-use asset | (9,067) | (10,481)
Depreciation | (2,494) | (3,472)
Other deferred tax liabilities | (14,420) | (13,190)
Total deferred tax assets | $ 63,651 | $ 26,393

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