STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION - Schedule of Time-Vesting Restricted Stock Unit Activity (Details) - Restricted stock units - Time Based Vesting - $ / shares	6 Months Ended	12 Months Ended
	Sep. 30, 2025	Mar. 31, 2025
Non-vested restricted stock unit activity
Outstanding at the beginning of the period (in shares)	2,985,522
Granted (in shares)	1,971,321
Vested (in shares)	(1,296,462)
Forfeited or canceled (in shares)	(171,109)
Outstanding at the end of the period (in shares)	3,489,272	2,985,522
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)	$ 32.27
Granted (in dollars per share)	29.52
Vested (in dollars per share)	31.78
Forfeited or cancelled (in dollars per share)	31.60
Outstanding at the end of the period (in dollars per share)	$ 30.93	$ 32.27
Weighted average remaining contractual term (in years)	2 years 1 month 28 days	1 year 9 months 3 days