SHARE REPURCHASE PROGRAM (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
SHARE REPURCHASE
Number of shares authorized to be repurchased (in shares)	14,218
Repurchased common stock			$ 362,392
Common Stock | Share Repurchase Program
SHARE REPURCHASE
Repurchased common stock (in shares)	0	0	3,716
Repurchased common stock	$ 0	$ 0	$ 362,429
Commissions	$ 0	$ 0	$ 37
Shares repurchased under the share repurchase program (in shares)	10,400
Number of shares of common stock remaining available for repurchase under the entity's share repurchase authorization (in shares)	3,818