Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details 1)

v2.4.0.6
Fair Value of Financial Instruments (Details 1) (USD $)
In Millions, unless otherwise specified
Nov. 30, 2012
Feb. 29, 2012
Assets:    
AFS debt securities $ 33.3 $ 28.5
Foreign currency contracts 6.9 13.2
Interest rate swap contracts 8.8 0
Diesel fuel swap contracts 1.0 0
Liabilities:    
Foreign currency contracts 2.6 6.4
Interest rate swap contracts 55.9 45.7
Recurring [Member]
   
Assets:    
AFS debt securities 33.3 28.5
Foreign currency contracts 6.9 13.2
Interest rate swap contracts 8.8  
Diesel fuel swap contracts 1.0  
Liabilities:    
Foreign currency contracts 2.6 6.4
Interest rate swap contracts 55.9 45.7
Recurring [Member] | Quoted Prices in Active Markets (Level 1) [Member]
   
Assets:    
AFS debt securities 0 0
Foreign currency contracts 0 0
Interest rate swap contracts 0  
Diesel fuel swap contracts 0  
Liabilities:    
Foreign currency contracts 0 0
Interest rate swap contracts 0 0
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
   
Assets:    
AFS debt securities 0 0
Foreign currency contracts 6.9 13.2
Interest rate swap contracts 8.8  
Diesel fuel swap contracts 1.0  
Liabilities:    
Foreign currency contracts 2.6 6.4
Interest rate swap contracts 55.9 45.7
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
   
Assets:    
AFS debt securities 33.3 28.5
Foreign currency contracts 0 0
Interest rate swap contracts 0  
Diesel fuel swap contracts 0  
Liabilities:    
Foreign currency contracts 0 0
Interest rate swap contracts $ 0 $ 0