Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 1)

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Investments (Details 1) (Accolade [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
May 31, 2013
May 31, 2012
Accolade [Member]
   
Related Party Transaction [Line Items]    
Amounts sold to or related to services performed for Accolade $ 21.4 $ 24.5
Amounts purchased from or related to services performed by Accolade $ 3.6 $ 4.0