Derivative Instruments And Hedging Activities (Gain Loss Recognized In Income On Hedged Derivatives) (Details) (Not Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (1,969)		$ (572)		$ (535)
Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (1,969)	[1]	$ (572)	[1]	$ (535)	[1]

[1] Gain/(loss) recognized in income is included in cost of goods sold.