Market Risks and Derivative Hedge Contracts (Details)	3 Months Ended
	Mar. 31, 2014 USD ($)	Mar. 31, 2014 EUR (€)	Mar. 31, 2014 Forward Purchase Contract, Mexican Pesos [Member] USD ($)	Mar. 31, 2014 Forward Sale Contract, Mexican Pesos [Member] USD ($)	Mar. 31, 2014 Forward Purchase Contract, Pounds Sterling [Member] USD ($)	Mar. 31, 2014 Forward Purchase Contract, Canadian Dollar [Member] USD ($)	Mar. 31, 2014 Forward Purchase Contract, Canadian Dollar (2) [Member] USD ($)	Mar. 31, 2014 Forward Purchase Contract, Argentinian Peso [Member] USD ($)	Mar. 31, 2014 Current Assets [Member] USD ($)	Mar. 31, 2014 Current Liabilities [Member] USD ($)
Derivatives, Fair Value [Line Items]
Forward purchase contracts									$ 36,000	$ (88,000)
Forward sale contracts									159,000
Total	107,000
Derivative [Line Items]
U.S. Dollar notional amount			2,374,000	9,454,000	3,170,000	3,375,000	2,238,000	3,173,000
Traded exchange rate			13.07	13.06	1.67	1.10	1.10	8.06
Value date			Apr. 15, 2014	Apr. 15, 2014	Apr. 15, 2014	Apr. 15, 2014	Apr. 15, 2014	Apr. 15, 2014
Net losses associated with foreign currency derivatives	267,000
Borrowings designated as a hedge of a net investment in a foreign subsidiary	13,700,000	10,000,000
Cumulative change to cumulative translation adjustment, net of tax	$ 1,100,000