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Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Millions
9 Months Ended12 Months Ended
Sep. 30, 2011
Dec. 31, 2010
Assets:  
Assets, Valuation TechniquesAA
Fair Value Assets Measured on Recurring Basis Other Assets Assets Valuation TechniquesC 
Liabilities:  
Liabilities, Valuation TechniquesAA
Fair Value, Inputs, Level 1 [Member]
  
Assets:  
Foreign exchange contracts 0 0
Insurance settlement agreement note receivable0 
Liabilities:  
Foreign currency contracts00
Commodity contracts0 
Net investment hedge contracts00
Fair Value, Inputs, Level 2 [Member]
  
Assets:  
Foreign exchange contracts2.52.7
Insurance settlement agreement note receivable21.2 
Liabilities:  
Foreign currency contracts10.56.4
Commodity contracts0.1 
Net investment hedge contracts85.575.7
Fair Value, Inputs, Level 3 [Member]
  
Assets:  
Foreign exchange contracts00
Insurance settlement agreement note receivable0 
Liabilities:  
Foreign currency contracts00
Commodity contracts0 
Net investment hedge contracts00
Estimate of Fair Value, Fair Value Disclosure [Member]
  
Assets:  
Foreign exchange contracts2.52.7
Insurance settlement agreement note receivable21.2 
Liabilities:  
Foreign currency contracts10.56.4
Commodity contracts0.1 
Net investment hedge contracts 85.5 75.7