Derivative Instruments - Schedule of Derivatives (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Foreign currency exchange contracts and hedging
Beginning balance	$ 2,513,013	$ 2,107,468	$ 1,765,733
Ending balance	2,499,638	2,513,013	2,107,468
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Foreign currency exchange contracts and hedging
Beginning balance	1,584	0	0
(Loss) gain recorded in OCI	(12,631)	4,387	4,090
Gain (loss) reclassified into net sales	17,849	(2,288)	(4,090)
Income tax expense in OCI	(1,238)	(515)	0
Ending balance	$ 5,564	$ 1,584	$ 0