STOCK-BASED COMPENSATION - Stock-based Compensation Activity, by Award Type (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Share-based compensation
Total non-cash stock-based compensation	$ 29,027	$ 51,518
Total non-cash stock-based compensation included in the condensed consolidated statements of equity	26,588	45,932
Stock options
Share-based compensation
Share-based compensation expense	304	563
Restricted stock units | Time-Vesting
Share-based compensation
Share-based compensation expense	22,175	40,583
Restricted stock units | Performance Based Vesting
Share-based compensation
Share-based compensation expense	2,707	2,837
Restricted stock units | Diablo.AI, Inc.
Share-based compensation
Share-based compensation expense	0	249
DataFleets acquisition consideration holdback | Data Plus Math Corporation
Share-based compensation
Share-based compensation expense	0	2,031
DataFleets acquisition consideration holdback | DataFleets, Ltd
Share-based compensation
Share-based compensation expense	2,267	3,021
Acuity performance plan | Acuity Data
Share-based compensation
Share-based compensation expense	165	531
Employee stock purchase plan
Share-based compensation
Share-based compensation expense	784	1,015
Directors stock-based compensation
Share-based compensation
Share-based compensation expense	625	688
Liability-based equity awards
Share-based compensation
Total non-cash stock-based compensation	$ (2,439)	$ (5,586)