Derivatives and Other Financial Instruments (Schedule of Gain (Loss) Recognized in Income) (Details) (Foreign Currency Exchange Contracts [Member], Other Expense: Gain (loss) on foreign currency exchange rate [Member], Not designated as hedging instrument [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Foreign Currency Exchange Contracts [Member] | Other Expense: Gain (loss) on foreign currency exchange rate [Member] | Not designated as hedging instrument [Member]
Derivatives, Fair Value [Line Items]
Derivatives, (Loss) Gain Recognized in Income	$ (23)	$ 88	$ 1	$ 75