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Financial Instruments and Risk Management (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 30, 2020
Nov. 30, 2019
Nov. 30, 2020
Nov. 30, 2019
Revolving loan | Credit agreement        
Foreign Currency Risk and Currency Exchange Uncertainties        
Amount outstanding $ 426.0   $ 426.0  
SG&A        
Foreign Currency Risk and Currency Exchange Uncertainties        
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps $ 0.4 $ 0.6 $ 0.5 $ 2.2
Net sales revenue | Geographic concentration | International operations - transactions denominated in foreign currencies        
Foreign Currency Risk and Currency Exchange Uncertainties        
Concentration risk percentage 11.00% 17.00% 12.00% 14.00%