Derivative Financial Instruments (Schedule Of Derivatives Not Designated As Hedging Instruments) (Details) (Other Income (Expense), net [Member], Foreign Currency Forward Contracts [Member], Derivatives Not Designated As Hedging Instruments [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other Income (Expense), net [Member] | Foreign Currency Forward Contracts [Member] | Derivatives Not Designated As Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gains or (Losses) Recognized in Income on Derivative	$ 4,897	$ 458	$ (502)