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Financial Instruments and Risk Management (Details)
In Millions, unless otherwise specified
3 Months Ended 1 Months Ended 3 Months Ended 3 Months Ended
May 31, 2014
USD ($)
May 31, 2013
USD ($)
May 31, 2014
SG&A
USD ($)
May 31, 2013
SG&A
USD ($)
Feb. 28, 2013
Venezuelan Bolivar
VEF
Feb. 28, 2013
Venezuelan Bolivar
USD ($)
May 31, 2014
Venezuelan Bolivar
VEF
May 31, 2014
Venezuelan Bolivar
SICAD 1
VEF
May 31, 2014
Venezuelan Bolivar
SICAD 2
VEF
May 31, 2014
Geographic concentration
Venezuela
USD ($)
May 31, 2014
Net sales revenue
Geographic concentration
International operations - transactions denominated in foreign currencies
May 31, 2013
Net sales revenue
Geographic concentration
International operations - transactions denominated in foreign currencies
May 31, 2014
Net sales revenue
Geographic concentration
Venezuela
May 31, 2013
Net sales revenue
Geographic concentration
Venezuela
Foreign Currency Risk and Currency Exchange Uncertainties                            
Percentage of net sales revenue                     15.00% 15.00% 0.60% 0.50%
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps     $ (0.03) $ (0.12)                    
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps, in income tax expense 0.04 0.05                        
Currency Exchange Uncertainties                            
Value of foreign currency before devaluation (in Bolivars per dollar)         4.30                  
Value of foreign currency after devaluation (in dollars per Bolivar)         6.30                  
Charge recognized for the re measurement of net monetary assets           1.41                
Foreign currency exchange rate             6.30 10 50          
Net investment                   $ 7.84