STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION - Restricted Stock Unit Activity (Details) - USD ($) $ in Millions			12 Months Ended
	Jan. 31, 2024	Dec. 13, 2021	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Habu
Share-based compensation
Vesting period	3 years
Total fair value of the replacement stock options issued	$ 25.0		$ 7.5
Restricted stock units | Rakam consideration holdback
Share-based compensation
Granted (in shares)		2,600,000
Vesting period		4 years
Restricted stock units | Vesting in Four Years
Share-based compensation
Granted (in shares)			1,783,478
Aggregate fair value of restricted stock units granted			$ 48.6
Vesting period				3 years	4 years
Restricted stock units | Time Based Vesting
Share-based compensation
Granted (in shares)			1,783,478	4,352,078	3,037,440
Aggregate fair value of restricted stock units granted				$ 107.2	$ 143.4
Weighted average remaining contractual term (in years)			1 year 7 months 20 days	2 years 2 months 12 days
Vested in period, fair value			$ 45.3	$ 71.5	$ 30.3
Restricted stock units | Time Based Vesting | Rakam consideration holdback
Share-based compensation
Granted (in shares)					55,927
Aggregate fair value of restricted stock units granted					$ 2.6
Restricted stock units | Time Based Vesting | Habu
Share-based compensation
Granted (in shares)			410,853
Total fair value of the replacement stock options issued			$ 16.2
Weighted average remaining contractual term (in years)			2 years 9 months 18 days
Restricted stock units | Time Based Vesting | Data Plus Math Corporation
Share-based compensation
Granted (in shares)					98,442
Aggregate fair value of restricted stock units granted					$ 4.7
Restricted stock units | Time-Based Vesting Over Three Years
Share-based compensation
Granted (in shares)			999,987
Vesting period			3 years
Restricted stock units | Time-Based Vesting Over Two Years
Share-based compensation
Granted (in shares)			783,491
Vesting period			2 years