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Financial Instruments and Risk Management (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Aug. 31, 2019 | Aug. 31, 2018 | Aug. 31, 2019 | Aug. 31, 2018
SG&A |  |  |  |
Foreign Currency Risk and Currency Exchange Uncertainties |  |  |  |
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps | $ 0.8 | $ 0.5 | $ 1.6 | $ (1.2)
Net sales revenue | Geographic concentration | International operations - transactions denominated in foreign currencies |  |  |  |
Foreign Currency Risk and Currency Exchange Uncertainties |  |  |  |
Concentration risk percentage | 14.00% | 11.00% | 13.00% | 13.00%

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