FAIR VALUE MEASUREMENTS - Schedule of Fair Value Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Assets:
Money-market funds	$ 1,704,902	$ 1,152,083
Designated Derivative Contracts asset	3,380
Non-qualified deferred compensation asset	16,824	13,553
Total assets measured at fair value	1,725,106	1,165,636
Liabilities:
Non-qualified deferred compensation liability	(1,192)	(408)
Non-qualified deferred compensation liability	(24,731)	(16,229)
Total liabilities measured at fair value	(25,923)	(16,637)
Level 1
Assets:
Money-market funds	1,704,902	1,152,083
Designated Derivative Contracts asset	0
Non-qualified deferred compensation asset	16,824	13,553
Total assets measured at fair value	1,721,726	1,165,636
Liabilities:
Non-qualified deferred compensation liability	(1,192)	(408)
Non-qualified deferred compensation liability	(24,731)	(16,229)
Total liabilities measured at fair value	(25,923)	(16,637)
Level 2
Assets:
Money-market funds	0	0
Designated Derivative Contracts asset	3,380
Non-qualified deferred compensation asset	0	0
Total assets measured at fair value	3,380	0
Liabilities:
Non-qualified deferred compensation liability	0	0
Non-qualified deferred compensation liability	0	0
Total liabilities measured at fair value	0	0
Level 3
Assets:
Money-market funds	0	0
Designated Derivative Contracts asset	0
Non-qualified deferred compensation asset	0	0
Total assets measured at fair value	0	0
Liabilities:
Non-qualified deferred compensation liability	0	0
Non-qualified deferred compensation liability	0	0
Total liabilities measured at fair value	$ 0	$ 0