Stock Repurchase Activity	12 Months Ended
Mar. 31, 2021
Equity [Abstract]
Stock Repurchase Activity	Stock Repurchase Activity As of March 31, 2021, 15.0 million shares of common stock remained available for repurchase under the existing share repurchase program. There is no expiration date associated with the repurchase program. There were no repurchases of common stock during the fiscal years ended March 31, 2021, 2020 and 2019. Shares repurchased are recorded as treasury shares and used to fund share issuance requirements under the Company's equity incentive plans. As of March 31, 2021, the Company had approximately 11.0 million treasury shares.

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2208821

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