Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Details)

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Derivative Instruments (Details) (USD $)
In Millions, unless otherwise specified
Nov. 30, 2012
Feb. 29, 2012
Foreign currency contracts [Member] | Prepaid expenses and other [Member] | Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative assets $ 3.8 $ 7.9
Foreign currency contracts [Member] | Prepaid expenses and other [Member] | Not Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative assets 0.9 1.4
Foreign currency contracts [Member] | Other accrued expenses and liabilities [Member] | Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative liabilities 0.6 2.7
Foreign currency contracts [Member] | Other accrued expenses and liabilities [Member] | Not Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative liabilities 1.8 1.1
Foreign currency contracts [Member] | Other assets, net [Member] | Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative assets 2.2 3.6
Foreign currency contracts [Member] | Other assets, net [Member] | Not Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative assets 0 0.3
Foreign currency contracts [Member] | Other liabilities [Member] | Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative liabilities 0.2 2.2
Foreign currency contracts [Member] | Other liabilities [Member] | Not Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative liabilities 0 0.4
Interest rate swap contracts [Member] | Prepaid expenses and other [Member] | Not Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative assets 3.8 0
Interest rate swap contracts [Member] | Other accrued expenses and liabilities [Member] | Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative liabilities 3.4 15.0
Interest rate swap contracts [Member] | Other accrued expenses and liabilities [Member] | Not Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative liabilities 16.1 0
Interest rate swap contracts [Member] | Other assets, net [Member] | Not Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative assets 5.0 0
Interest rate swap contracts [Member] | Other liabilities [Member] | Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative liabilities 4.7 30.7
Interest rate swap contracts [Member] | Other liabilities [Member] | Not Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative liabilities 31.7 0
Diesel fuel swap contracts [Member] | Prepaid expenses and other [Member] | Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative assets 0.8 0
Diesel fuel swap contracts [Member] | Other assets, net [Member] | Designated as Hedging Instrument [Member]
   
Fair value and location of the Company's derivative instruments on its Consolidated Balance Sheets    
Derivative assets $ 0.2 $ 0