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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Mar. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
Schedule II — Valuation and Qualifying Accounts
 
Additions
Balance at
Beginning of
Year		Charged
(Credited) to
Costs and
Expenses		Charged to Other AccountsWrite-offs/DeductionsBalance at
End of
Year
 (In thousands)
Year Ended March 31, 2019
Allowance for doubtful accounts$104 $569 $— $(184)$489 
Valuation allowance for deferred taxes$58,350 $(8,190)$— $— $50,160 
Year Ended March 31, 2020
Allowance for doubtful accounts$489 $(246)$— $(121)$122 
Valuation allowance for deferred taxes$50,160 $11,542 $— $— $61,702 
Year Ended March 31, 2021
Allowance for doubtful accounts$122 $333 $84 $(56)$483 
Valuation allowance for deferred taxes$61,702 $16,637 $— $— $78,339