Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (Indemnification Agreement [Member], USD $)
In Millions, unless otherwise specified
9 Months Ended
Nov. 30, 2011
Feb. 28, 2011
Jan. 31, 2011
Indemnification Agreement [Member]
     
Commitments and Contingencies (Textual)      
Company recorded liabilities with a fair value     $ 26.1
Recognized gain included in selling, general and administrative expenses 0.7    
Carrying amount of indemnification liabilities 25.4 26.1  
Potential future payments 330.9    
Amount subject to recovery from third parties under recourse provisions $ 282.1