Stock And Stock-Based Incentive Plans (Composition Of Share-Based Compensation Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
May 31, 2014
May 31, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Share-based compensation expense, before income taxes $ 15,719 $ 23,229
Cost Of Sales [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Share-based compensation expense, before income taxes 327 1,273
CAF Income [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Share-based compensation expense, before income taxes 676 782
Selling, General And Administrative Expenses [Member]
   
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]    
Share-based compensation expense, before income taxes $ 14,716 $ 21,174