DERIVATIVE INSTRUMENTS - Changes in Unrealized Gain (Loss) on Cash Flow Hedges Included in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 2,467,479	$ 2,074,482	$ 2,513,013	$ 2,107,468
Ending balance	2,466,030	2,223,239	2,466,030	2,223,239
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(18,625)	856	1,584	0
Gain (loss) recorded in OCI	5,548	(5,488)	(21,761)	(4,356)
Reclassifications from AOCL into net sales	7,921	(228)	8,456	(228)
Income tax (expense) benefit in OCI	(3,341)	1,394	3,224	1,118
Ending balance	$ (8,497)	$ (3,466)	$ (8,497)	$ (3,466)