Market Risks and Derivative Hedge Contracts (Details)	6 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2014 EUR (€)	Jun. 30, 2014 Forward Purchase Contract, Pounds Sterling [Member] USD ($)	Jun. 30, 2014 Forward Purchase Contract, Brazil Real [Member] USD ($)	Jun. 30, 2014 Forward Purchase Contract, Canadian Dollar [Member] USD ($)	Jun. 30, 2014 Forward Sale Contract, Mexican Pesos [Member] USD ($)	Jun. 30, 2014 Forward Purchase Contract, Argentinian Peso [Member] USD ($)	Jun. 30, 2014 Forward Purchase Contract, Canadian Dollar (2) [Member] USD ($)	Jun. 30, 2014 Forward Purchase Contract, Mexican Pesos [Member] USD ($)	Jun. 30, 2014 Current Assets [Member] USD ($)	Jun. 30, 2014 Current Liabilities [Member] USD ($)
Derivatives, Fair Value [Line Items]
Forward purchase contracts										$ 47,000	$ (176,000)
Forward sale contracts											82,000
Total	(47,000)
Derivative [Line Items]
U.S. Dollar notional amount			4,246,000	1,667	3,284,000	8,289,000	3,694,000	1,891,000	2,129,000
Traded exchange rate			1.71	2.22	1.07	13.01	8.26	1.07	13.01
Value date			Jul. 18, 2014	Jul. 18, 2014	Jul. 18, 2014	Jul. 18, 2014	Jul. 18, 2014	Jul. 18, 2014	Jul. 18, 2014
Net losses associated with foreign currency derivatives	47,000
Borrowings designated as a hedge of a net investment in a foreign subsidiary	13,600,000	10,000,000
Cumulative change to cumulative translation adjustment, net of tax	$ 1,000,000