Derivative Instruments and Hedging Activities (Derivatives Not Designated as Hedging Instruments) (Details) - Derivatives not designated as hedging instruments - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Derivative [Line Items]
Total non-designated derivative realized (gain) loss, net	$ 0	$ (2,492,000)	$ (14,000)	$ (4,860,000)
Commodity options
Derivative [Line Items]
Total non-designated derivative realized (gain) loss, net	0	37,000	0	392,000
Foreign exchange forwards
Derivative [Line Items]
Derivative, Notional Amount	1,000,000		1,000,000
Total non-designated derivative realized (gain) loss, net	0	114,000	(14,000)	208,000
Foreign exchange options
Derivative [Line Items]
Total non-designated derivative realized (gain) loss, net	$ 0	$ (2,643,000)	$ 0	$ (5,460,000)