Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details)

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Fair Value of Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified
Nov. 30, 2013
Jun. 07, 2013
Feb. 28, 2013
Nov. 30, 2012
Feb. 29, 2012
Assets:          
Cash and cash investments $ 65.2 $ 232.0 $ 331.5 $ 200.5 $ 85.8
Accounts receivable, net 668.8   471.9    
Liabilities:          
Notes payable to banks 170.5   0    
Accounts payable 462.4   209.0    
Long-term debt, including current portion 6,964.1   3,305.4    
Carrying Amount [Member]
         
Assets:          
Cash and cash investments 65.2   331.5    
Accounts receivable, net 668.8   471.9    
Available-for-sale debt securities 36.4   34.2    
Foreign currency contracts 12.3   9.7    
Interest rate swap contracts 6.4   6.6    
Diesel fuel swap contracts 0.9   0.6    
Liabilities:          
Notes payable to banks 170.5   0    
Accounts payable 462.4   209.0    
Long-term debt, including current portion 6,964.1   3,305.4    
Foreign currency contracts 10.9   5.3    
Interest rate swap contracts 41.1   47.1    
Diesel fuel swap contracts 0   0.1    
Fair Value [Member]
         
Assets:          
Cash and cash investments 65.2   331.5    
Accounts receivable, net 668.8   471.9    
Available-for-sale debt securities 36.4   34.2    
Foreign currency contracts 12.3   9.7    
Interest rate swap contracts 6.4   6.6    
Diesel fuel swap contracts 0.9   0.6    
Liabilities:          
Notes payable to banks 170.5   0    
Accounts payable 462.4   209.0    
Long-term debt, including current portion 6,995.6   3,603.6    
Foreign currency contracts 10.9   5.3    
Interest rate swap contracts 41.1   47.1    
Diesel fuel swap contracts $ 0   $ 0.1