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Summary of Major Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Summary of Major Accounting Policies [Abstract]      
Minimum percentage of investments in affiliated companies accounted for using the equity method (in hundredths) 20.00%    
Maximum percentage of investments in affiliated companies accounted for using the equity method (in hundredths) 50.00%    
Revenue Recognition [Abstract]      
Percentage of revenue recognized under the accounting rules for construction-type and production-type contracts (in hundredths) 23.00% 26.00% 36.00%
Inventories [Abstract]      
Percentage of inventories carried on the LIFO method (in hundredths) 53.00% 55.00%  
Foreign Currency Derivatives [Abstract]      
Foreign currency transactions gain (loss) $ (12.4) $ (10.9) $ 11.9
Minimum [Member]
     
Intangible Assets [Abstract]      
Finite-Lived Intangible Assets, Useful Life 5 years    
Maximum [Member]
     
Intangible Assets [Abstract]      
Finite-Lived Intangible Assets, Useful Life 20 years    
Buildings and Leasehold Improvements [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated useful life 10 years    
Buildings and Leasehold Improvements [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated useful life 40 years    
Machinery and Equipment [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated useful life 3 years    
Machinery and Equipment [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated useful life 18 years    
Office Furniture, Software and Other [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated useful life 3 years    
Office Furniture, Software and Other [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated useful life 10 years