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Financial Instruments and Risk Management (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2021
Nov. 30, 2020
Feb. 28, 2021
Foreign Currency Risk and Currency Exchange Uncertainties          
Aggregate principal balance $ 450,707   $ 450,707   $ 347,607
Credit agreement          
Foreign Currency Risk and Currency Exchange Uncertainties          
Fixed rate debt 225,000   225,000    
Aggregate principal balance 434,000   434,000   $ 329,000
SG&A          
Foreign Currency Risk and Currency Exchange Uncertainties          
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps $ (300) $ 400 $ (800) $ 500  
Net sales revenue | Geographic concentration | International operations - transactions denominated in foreign currencies          
Foreign Currency Risk and Currency Exchange Uncertainties          
Concentration risk percentage 10.00% 11.00% 10.00% 12.00%