STOCKHOLDERS' EQUITY: Stock-based Compensation Activity, by Award Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Share-based compensation
Total non-cash stock-based compensation	$ 87,257	$ 111,707	$ 89,447
Total non-cash stock-based compensation included in the consolidated statements of equity	71,180	84,396	65,219
Stock options
Share-based compensation
Share-based compensation expense	1,935	2,308	3,675
Restricted stock units
Share-based compensation
Share-based compensation expense	56,008	78,164	55,543
Restricted stock units | Diablo.AI, Inc.
Share-based compensation
Share-based compensation expense	794	0	0
Arbor Holdback Agreement | Arbor
Share-based compensation
Share-based compensation expense	0	0	2,553
Consideration Holdback | Data Plus Math Corporation
Share-based compensation
Share-based compensation expense	8,122	8,030	6,185
Consideration Holdback | DataFleets, Ltd
Share-based compensation
Share-based compensation expense	6,043	755	0
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC
Share-based compensation
Share-based compensation expense	9,101	18,388	20,332
Acuity Performance Earnout | Acuity Data
Share-based compensation
Share-based compensation expense	1,912	2,208	0
Other stock-based compensation
Share-based compensation
Share-based compensation expense	3,342	1,854	1,159
Liability-based equity awards
Share-based compensation
Total non-cash stock-based compensation	$ (16,077)	$ (27,311)	$ (24,228)