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Financial Instruments and Risk Management (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
May 31, 2017 | May 31, 2016
Currency Exchange Uncertainties |  |
Sales revenue, net | $ 359,605 | $ 347,938
Operating income | (3,234) | 22,898
SG&A |  |
Foreign Currency Risk and Currency Exchange Uncertainties |  |
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps | 600 | $ 200
Current income tax expense |  |
Foreign Currency Risk and Currency Exchange Uncertainties |  |
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps | $ (100) |
Net sales revenue | Geographic concentration | International operations - transactions denominated in foreign currencies |  |
Foreign Currency Risk and Currency Exchange Uncertainties |  |
Concentration risk percentage | 12.00% | 14.00%

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