ACQUISITIONS - Narrative (Details) shares in Thousands, $ in Thousands		1 Months Ended		10 Months Ended	12 Months Ended
	Jun. 01, 2021 USD ($) shares	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($) office_building	Mar. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)
Business Acquisition [Line Items]
Cash paid					$ 161,331	$ 102,469	$ 12,040
Contingent consideration, current				$ 66,025	66,025
Contingent consideration, noncurrent				43,030	43,030
United Kingdom Office Space Asset Acquisition
Business Acquisition [Line Items]
Number of office buildings acquired | office_building			2
Cash consideration			$ 72,908
Nordeus Limited
Business Acquisition [Line Items]
Percentage of noncontrolling interest	5.50%
Nordeus Limited
Business Acquisition [Line Items]
Business acquisition, percentage of voting interests acquired	94.50%
Cash paid	$ 120,488
Business combination, contingent consideration arrangements, range of outcomes, value, high	$ 153,000
Call option		$ 12,375
Consideration				289,774
Contingent earn-out				$ 61,055
Contingent consideration liability, increase					48,000
Transaction costs					$ 5,100
Nordeus Limited | Performance Period One
Business Acquisition [Line Items]
Performance period	12 months
Nordeus Limited | Performance Period Two
Business Acquisition [Line Items]
Performance period	24 months
Nordeus Limited | Common Stock
Business Acquisition [Line Items]
Issuance of common stock in connection with acquisition (in shares) | shares	515