Annual report pursuant to Section 13 and 15(d)

Stock-Based Employee Compensation (Details)

v2.4.1.9
Stock-Based Employee Compensation (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Feb. 28, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Total compensation cost recognized in our results of operations $ 55.0us-gaap_AllocatedShareBasedCompensationExpense $ 49.9us-gaap_AllocatedShareBasedCompensationExpense $ 40.8us-gaap_AllocatedShareBasedCompensationExpense
Total income tax benefit recognized in our results of operations 18.7us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 17.1us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 13.8us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Total compensation cost capitalized in inventory on our balance sheets $ 3.7us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount $ 4.2us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount $ 4.1us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount