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Consolidated Statement of Stockholders Equity (Parenthetical) - USD ($)
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 97,398 296,027 187,907
Stock Issued During Period, Shares, New Issues 4,312,500    
Change in derivatives qualifying as hedges, tax $ (8,000) $ (565,000) $ 469,000
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures 115,281 82,861 157,715