Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details 2)

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Fair Value of Financial Instruments (Details 2) (AFS Debt Securities [Member], USD $)
In Millions
6 Months Ended
Aug. 31, 2011
AFS Debt Securities [Member]
 
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation  
Balance at February 28, 2011 $ 40.8
Total gains (losses):  
Included in earnings (interest expenses, net) 3.1
Included in other comprehensive income (net unrealized losses on AFS debt securities) (0.2)
Total net gains 2.9
Balance at August 31, 2011 $ 43.7