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Valuation of Qualifying Accounts (Tables)
12 Months Ended
Mar. 31, 2021
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Valuation and 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