Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details Textual)

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Fair Value of Financial Instruments (Details Textual) (USD $)
3 Months Ended 12 Months Ended
Feb. 28, 2014
Aug. 31, 2013
Feb. 28, 2014
Feb. 28, 2013
Feb. 29, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Goodwill $ 6,146,800,000   $ 6,146,800,000 $ 2,722,300,000 $ 2,632,900,000
Impairment of goodwill 0 278,700,000 278,700,000 0 0
Intangible assets, net 3,231,100,000   3,231,100,000 871,400,000  
Impairment of trademarks 0 22,200,000   0 38,100,000
Nonrecurring [Member]
         
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Goodwill   433,900,000      
Impairment of goodwill   278,700,000 278,700,000    
Nonrecurring [Member] | Trademarks [Member]
         
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Intangible assets, net   90,200,000     134,400,000
Impairment of trademarks   22,200,000 22,200,000   38,100,000
Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
         
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Implied fair value of goodwill   159,600,000      
Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] | Trademarks [Member]
         
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair value of trademarks   $ 68,300,000     $ 96,000,000