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Debt (Details) (USD $)
 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Total $ 447,600,000 $ 385,400,000
Line of Credit [Member]
    
Debt Instrument [Line Items]    
Total 426,000,000 367,700,000
Line of Credit [Member] | Revolving Credit Agreement [Member]
    
Debt Instrument [Line Items]    
Debt Instrument, Term 5 years  
Maximum borrowings under credit facility 500,000,000  
Credit facility accordion feature   200,000,000
Covenant provisions the Company to maintain (a) a maximum net debt to EBITDA ratio of 3.00 and (b) minimum interest coverage ratio of 3.50. The Company was in compliance with all of its covenants under the Credit Agreement at March 31, 2014.  
Minimum margin on borrowings (in hundredths) 1.25%  
Maximum margin on borrowings (in hundredths) 2.00%  
Minimum annual commitment fees on undrawn amounts (in hundredths) 0.20%  
Maximum annual commitment fees on undrawn amounts (in hundredths) 0.30%  
Applicable interest rate (in hundredths)   1.44%
Line of Credit, Sublimit In Euro [Member] | Revolving Credit Agreement [Member]
    
Debt Instrument [Line Items]    
Maximum borrowings under credit facility 300,000,000  
Line of Credit Facility, Amount Outstanding 0  
French Employee Profit Sharing [Member]
    
Debt Instrument [Line Items]    
Total 15,800,000 15,800,000
Bank Overdrafts [Member]
    
Debt Instrument [Line Items]    
Total 5,700,000 1,700,000
Other [Member]
    
Debt Instrument [Line Items]    
Total $ 100,000 $ 200,000