Financial Instruments and Risk Management (Details) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		1 Months Ended					3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Aug. 31, 2014 USD ($)	Aug. 31, 2013 USD ($)	Aug. 31, 2014 USD ($)	Aug. 31, 2013 USD ($)	Aug. 31, 2014 SG&A USD ($)	Aug. 31, 2013 SG&A USD ($)	Aug. 31, 2014 SG&A USD ($)	Aug. 31, 2013 SG&A USD ($)	Feb. 28, 2013 Venezuelan Bolivar VEF	Aug. 31, 2014 Venezuelan Bolivar VEF	Aug. 31, 2014 Venezuelan Bolivar SICAD 1 VEF	Aug. 31, 2014 Venezuelan Bolivar SICAD 2 VEF	Aug. 31, 2014 Geographic concentration Venezuela USD ($)	Aug. 31, 2014 Net sales revenue Geographic concentration International operations - transactions denominated in foreign currencies	Aug. 31, 2013 Net sales revenue Geographic concentration International operations - transactions denominated in foreign currencies	Aug. 31, 2014 Net sales revenue Geographic concentration International operations - transactions denominated in foreign currencies	Aug. 31, 2013 Net sales revenue Geographic concentration International operations - transactions denominated in foreign currencies	Aug. 31, 2014 Net sales revenue Geographic concentration Venezuela	Aug. 31, 2013 Net sales revenue Geographic concentration Venezuela	Aug. 31, 2014 Net sales revenue Geographic concentration Venezuela	Aug. 31, 2013 Net sales revenue Geographic concentration Venezuela
Foreign Currency Risk and Currency Exchange Uncertainties
Percentage of net sales revenue														15.00%	14.00%	15.00%	14.00%	0.90%	0.80%	0.80%	0.60%
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps					$ (1.10)	$ (0.38)	$ (1.13)	$ (0.50)
Net foreign exchange gains (losses), including the impact of currency hedges and currency swaps, in income tax expense	0.06	(0.02)	0.10	0.03
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
Foreign currency exchange rate										6.30	11.5	50
Net investment													$ 8.60