FAIR VALUE MEASUREMENTS - Schedule of Fair Value Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Mar. 31, 2024
Assets:
Money-market funds	$ 842,807	$ 1,152,083
Designated Derivative Contracts asset	148
Non-qualified deferred compensation asset	16,406	13,553
Total assets measured at fair value	859,361	1,165,636
Liabilities:
Designated Derivative Contracts liability	(4,688)
Non-qualified deferred compensation liability	(1,200)	(408)
Non-qualified deferred compensation liability	(24,358)	(16,229)
Total liabilities measured at fair value	(30,246)	(16,637)
Designated Derivative Contracts asset
Assets:
Designated Derivative Contracts asset	103
Liabilities:
Designated Derivative Contracts liability	(4,688)
Non-Designated Derivative Contracts asset
Assets:
Designated Derivative Contracts asset	45
Liabilities:
Designated Derivative Contracts liability	0
Level 1
Assets:
Money-market funds	842,807	1,152,083
Non-qualified deferred compensation asset	16,406	13,553
Total assets measured at fair value	859,213	1,165,636
Liabilities:
Designated Derivative Contracts liability	0
Non-qualified deferred compensation liability	(1,200)	(408)
Non-qualified deferred compensation liability	(24,358)	(16,229)
Total liabilities measured at fair value	(25,558)	(16,637)
Level 1 | Designated Derivative Contracts asset
Assets:
Designated Derivative Contracts asset	0
Level 1 | Non-Designated Derivative Contracts asset
Assets:
Designated Derivative Contracts asset	0
Level 2
Assets:
Money-market funds	0	0
Non-qualified deferred compensation asset	0	0
Total assets measured at fair value	148	0
Liabilities:
Designated Derivative Contracts liability	(4,688)
Non-qualified deferred compensation liability	0	0
Non-qualified deferred compensation liability	0	0
Total liabilities measured at fair value	(4,688)	0
Level 2 | Designated Derivative Contracts asset
Assets:
Designated Derivative Contracts asset	103
Level 2 | Non-Designated Derivative Contracts asset
Assets:
Designated Derivative Contracts asset	45
Level 3
Assets:
Money-market funds	0	0
Non-qualified deferred compensation asset	0	0
Total assets measured at fair value	0	0
Liabilities:
Designated Derivative Contracts liability	0
Non-qualified deferred compensation liability	0	0
Non-qualified deferred compensation liability	0	0
Total liabilities measured at fair value	0	$ 0
Level 3 | Designated Derivative Contracts asset
Assets:
Designated Derivative Contracts asset	0
Level 3 | Non-Designated Derivative Contracts asset
Assets:
Designated Derivative Contracts asset	$ 0