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Revenue Recognition (Tables)
12 Months Ended
Mar. 31, 2021
Revenue from Contract with Customer [Abstract]  
Contract with Customer, Asset and Liability
Activity during the years ended March 31, 2021 and 2020 related to estimated sales returns were as follows:

Recovery AssetRefund Liability
Balance, March 31, 2019$10,441 $(24,787)
Net additions to sales return liability*36,028 (117,969)
Actual returns(36,806)117,089 
Balance, March 31, 20209,663 (25,667)
Net additions to sales return liability*39,939 (153,742)
Actual returns(38,898)141,692 
Balance, March 31, 2021$10,704 $(37,717)
*Net additions to sales return liability include a provision for anticipated sales returns which consists of both contractual return rights and discretionary authorized returns.