Derivatives and Other Financial Instruments (Narrative) (Details) (Foreign Currency Exchange Contracts [Member], Not designated as hedging instrument [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013 Other Expense: Gain (loss) on foreign currency exchange rate [Member]	Sep. 30, 2012 Other Expense: Gain (loss) on foreign currency exchange rate [Member]	Sep. 30, 2013 Other Expense: Gain (loss) on foreign currency exchange rate [Member]	Sep. 30, 2012 Other Expense: Gain (loss) on foreign currency exchange rate [Member]	Sep. 30, 2013 Accrued Expenses [Member]	Dec. 31, 2012 Accrued Expenses [Member]
Derivatives, Fair Value [Line Items]
Derivatives, (Loss) Gain Recognized in Income	$ (23)	$ 88	$ 1	$ 75
Derivative liability, Fair value gross liability					$ 23	$ 1