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Income Taxes - Schedule of Cash Paid For Income Taxes, Net of Refunds (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Effective Income Tax Rate Reconciliation [Line Items]
Federal	$ 181,284
State	18,465
Foreign	34,565
Total cash paid for income taxes, net of refunds	234,314	$ 345,397	$ 234,062
China
Effective Income Tax Rate Reconciliation [Line Items]
Foreign	15,991
Other foreign jurisdictions
Effective Income Tax Rate Reconciliation [Line Items]
Foreign	$ 18,574