INCOME TAXES - Schedule of Federal Statutory Income Tax Rate to Effective Tax Rate (Details)	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Statutory U.S. federal tax rate	21.00%	21.00%	21.00%
State taxes, net of federal tax effect	2.10%	(47.80%)	3.40%
U.S. research and development tax credits	(23.70%)	(245.90%)	7.10%
Effect of foreign operations	(5.30%)	(66.90%)	(0.10%)
Meals and entertainment	0.70%	43.70%	(1.00%)
Change in valuation allowance	24.00%	250.00%	2.20%
Internal restructuring charges	0.00%	196.50%	0.00%
Stock compensation	5.20%	172.10%	(2.60%)
Divestiture	0.00%	0.00%	(1.00%)
GILTI/FDII	(20.20%)	(174.30%)	2.90%
BEAT	0.00%	0.00%	(7.00%)
2017 Tax Act (transition tax and re-measurement of deferreds)	0.00%	0.00%	0.40%
Foreign withholding	13.80%	220.60%	(3.10%)
Provision to return	(2.30%)	(152.80%)	(1.00%)
Other permanent differences	(2.10%)	26.90%	(0.10%)
Total effective income tax rate	13.20%	243.10%	21.10%

Effective Income Tax Rate Reconciliation, Base Erosion And Anti-Abuse Tax, Percent

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Effective Income Tax Rate Reconciliation, Foreign Withholding, Percent

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Effective Income Tax Rate Reconciliation, GILTI/FDII, Percent

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Effective Income Tax Rate Reconciliation, Provision To Return, Percent

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to disposition of a business not qualifying as a discontinued operation.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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