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Valuation of Qualifying Accounts
12 Months Ended
Mar. 31, 2021
Quarterly Financial Information Disclosure [Abstract]  
Valuation of Qualifying Accounts Valuation of Qualifying Accounts
Fiscal YearDescriptionBalance at Beginning of PeriodCharged to Income StatementCharged to AllowanceBalance at End of Period
(in thousands)
Trade Receivables
2021Allowance for doubtful accounts$4,059 $1,032 $397 $5,488 
2020Allowance for doubtful accounts895 1,739 1,425 $4,059 
2019Allowance for doubtful accounts512 300 83 $895