Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details Textual)

v2.4.0.6
Fair Value of Financial Instruments (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Feb. 29, 2012
Feb. 28, 2011
Nov. 30, 2010
Feb. 28, 2013
Feb. 29, 2012
Feb. 28, 2011
Feb. 29, 2012
Nonrecurring [Member]
Nov. 30, 2010
Nonrecurring [Member]
Feb. 29, 2012
Nonrecurring [Member]
Feb. 28, 2011
Nonrecurring [Member]
Feb. 29, 2012
Nonrecurring [Member]
Trademarks [Member]
Feb. 28, 2011
Nonrecurring [Member]
Trademarks [Member]
Nov. 30, 2010
Nonrecurring [Member]
Trademarks [Member]
Feb. 28, 2011
Nonrecurring [Member]
Long-Lived Assets Held For Sale [Member]
Nov. 30, 2011
AFS Debt Securities [Member]
Feb. 28, 2013
AFS Debt Securities [Member]
Feb. 29, 2012
AFS Debt Securities [Member]
Feb. 28, 2011
AFS Debt Securities [Member]
Fair Value of Financial Instruments (Textual)                                    
Cash proceeds in connection with early redemption of AFS debt securities                             $ 21.7 $ 0 $ 21.7 $ 0
Cash proceeds from principal in connection with early redemption of AFS debt securities       0 20.2 0                 20.2      
Cash proceeds from interest in connection with early redemption of AFS debt securities                             1.5      
Reclassification adjustments, net of tax       0 (2.1) 0                     2.1  
Property, plant and equipment, net 1,255.8 1,219.6   1,229.0 1,255.8 1,219.6               10.1        
Long-lived assets held for sale                   4.1                
Loss on long-lived assets held for sale       0 0 5.8       5.8                
Intangible assets, net 866.4     871.4 866.4           134.4 153.9 6.9          
Trademarks             96.0   96.0 136.9                
Impairment of trademarks $ 38.1 $ 16.7 $ 6.9 $ 0 $ 38.1 $ 23.6 $ 16.7 $ 6.9 $ 38.1 $ 23.6