EARNINGS PER SHARE ("EPS") - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Computation of Basic earnings per share:
Net income	$ 144,497	$ 182,248	$ 307,050	$ 370,074
Weighted average shares outstanding—basic (in shares)	115,269	115,004	115,572	114,436
Basic earnings per share (in dollars per share)	$ 1.25	$ 1.58	$ 2.66	$ 3.23
Computation of Diluted earnings per share:
Net income	$ 144,497	$ 182,248	$ 307,050	$ 370,074
Weighted average shares outstanding—basic (in shares)	115,269	115,004	115,572	114,436
Add: dilutive effect of common stock equivalents (in shares)	1,439	1,113	1,238	1,137
Weighted average common shares outstanding—diluted (in shares)	116,708	116,117	116,810	115,573
Diluted earnings per share (in dollars per share)	$ 1.24	$ 1.57	$ 2.63	$ 3.20