Annual report pursuant to Section 13 and 15(d)

Stock-Based Employee Compensation (Details)

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Stock-Based Employee Compensation (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 29, 2012
Feb. 28, 2011
Feb. 28, 2010
Total compensation cost and income tax benefits recognized      
Total compensation cost for stock-based awards recognized in the Consolidated Statements of Operations $ 47.6 $ 48.2 $ 56.3
Total income tax benefit recognized in the Consolidated Statements of Operations for stock-based compensation 16.3 18.7 18.1
Total compensation cost for stock-based awards capitalized in inventory in the Consolidated Balance Sheets $ 3.7 $ 3.9 $ 5.1