STOCK-BASED COMPENSATION - Time-Vesting Restricted Stock Unit Activity (Details) - Restricted stock units - Time Based Vesting - $ / shares	6 Months Ended	12 Months Ended
	Sep. 30, 2023	Mar. 31, 2023
Non-vested restricted stock unit activity, Number of Shares
Outstanding at the beginning of the period (in shares)	4,009,759
Granted (in shares)	1,400,578
Vested (in shares)	(335,134)
Forfeited or cancelled (in shares)	(314,148)
Outstanding at the end of the period (in shares)	4,761,055	4,009,759
Non-vested restricted stock units, Weighted average fair value per share at grant date
Outstanding at the beginning of the period (in dollars per share)	$ 32.57
Granted (in dollars per share)	25.30
Vested (in dollars per share)	32.99
Forfeited or cancelled (in dollars per share)	34.53
Outstanding at the end of the period (in dollars per share)	$ 30.27	$ 32.57
Weighted average remaining contractual term (in years)	1 year 9 months 29 days	2 years 2 months 12 days