Fair Value Measurements And Derivative Instruments (Schedule Of Realized (Gains) Losses On Derivatives Recognized In Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Not Designated as Hedging Instrument [Member] | Derivatives Designated As Fair Value Hedges [Member] | Foreign Currency Derivatives [Member] | Cost Of Good Sold Other Expense Income [Member]
Derivatives, Fair Value [Line Items]
Amount of (Gain)/Loss Recognized	$ 1,020	$ (1,123)
Designated as Hedging Instrument [Member] | Derivatives Designated As Cash Flow Hedges [Member] | Foreign Currency Derivatives [Member] | Cost Of Good Sold Other Expense Income Revenue [Member]
Derivatives, Fair Value [Line Items]
Amount of (Gain)/Loss Recognized	(849)	1,445
Designated as Hedging Instrument [Member] | Derivatives Designated As Cash Flow Hedges [Member] | Commodity Forward Derivatives [Member] | Cost of Sales [Member]
Derivatives, Fair Value [Line Items]
Amount of (Gain)/Loss Recognized	$ 328	$ 70