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THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Millions			12 Months Ended
	Jan. 01, 2005	Dec. 31, 2004	Mar. 31, 2022 USD ($) reportingUnit	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2021	Feb. 28, 2019	Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Capitalized contract cost, amortization period			5 years
Term of contract								132 months
Advertising expense | $			$ 3.4	$ 9.0	$ 32.2
Number of reporting units | reportingUnit			1
Convertible Senior Notes | Convertible Debt
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Debt instrument, interest rate			0.50%			0.50%	0.50%
Equipment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Property, plant and equipment, useful life			3 years
Software and Software Development Costs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Property, plant and equipment, useful life			3 years
Furniture and fixtures
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Property, plant and equipment, useful life			5 years
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of contract			1 year
Renewal term			12 months
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of contract			9 years
Renewal term			5 years
Restricted Stock Units (RSUs) | Share-based Compensation Award, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			33.33%
Vesting period			1 year
Restricted Stock Units (RSUs) | Share-based Compensation Award, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Quarterly vesting percentage			12.50%
Employee Stock | Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Duration of purchase period	6 months
Duration of offering period	1 year	2 years
Computer Software, Intangible Asset
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Finite-lived intangible asset, useful life			3 years

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