Derivatives and Other Financial Instruments - Schedule Of Cash Flow Hedges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013 Foreign Exchange Forward Contracts [Member]	Sep. 30, 2014 Foreign Exchange Forward Contracts [Member]	Sep. 30, 2013 Foreign Exchange Forward Contracts [Member]
Derivative [Line Items]
Amount of Loss Recognized in AOCI on Derivative (Effective Portion)				$ 541	$ (180)
Amount of Gain (Loss) Reclassified from AOCI into Income (Effective Portion)	$ 76	$ (42)	$ (72)		$ (166)