INCOME TAXES - Schedule of Income Tax Expense Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Computed expected income taxes	$ 261,093	$ 205,578	$ 139,882
State income taxes, net of federal income tax benefit	45,991	32,023	15,881
Foreign rate differential	(13,078)	(15,976)	(21,420)
Gross unrecognized tax benefits	(1,594)	1,301	20,122
Intercompany transfers of assets	10,430	(1,817)	(13,072)
US tax on foreign earnings	(14,548)	4,750	7,672
Other	(11,086)	(6,481)	195
Total	$ 277,208	$ 219,378	$ 149,260