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SUPPLEMENTAL FINANCIAL INFORMATION - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Property, Plant and Equipment [Line Items]
Gross	$ 185,449	$ 168,352
Less: accumulated depreciation and amortization	(92,373)	(73,970)
Total property and equipment, net	93,076	94,382
Computer equipment
Property, Plant and Equipment [Line Items]
Gross	40,905	38,105
Software development costs
Property, Plant and Equipment [Line Items]
Gross	91,816	77,635
Software licenses
Property, Plant and Equipment [Line Items]
Gross	7,798	1,569
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross	28,714	31,706
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Gross	5,565	5,485
Construction in progress
Property, Plant and Equipment [Line Items]
Gross	$ 10,651	$ 13,852

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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