Debt (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total	$ 446,800,000	$ 385,400,000
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) a minimum interest coverage ratio of 3.50. The Company was in compliance with all of its covenants under the Credit Agreement at September 30, 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)	1.48%
Total	351,000,000	367,700,000
Line of Credit [Member] | Euro Revolver [Member]
Debt Instrument [Line Items]
Applicable interest rate (in hundredths)	1.55%
Total	74,200,000	0
Line of Credit, Sublimit In Euro [Member] | Revolving Credit Agreement [Member]
Debt Instrument [Line Items]
Maximum borrowings under credit facility	300,000,000
French Employee Profit Sharing [Member]
Debt Instrument [Line Items]
Total	15,500,000	15,800,000
Bank Overdrafts [Member]
Debt Instrument [Line Items]
Total	6,000,000	1,700,000
Other [Member]
Debt Instrument [Line Items]
Total	$ 100,000	$ 200,000