Derivative Instruments and Hedging Activities (Fair Value of Derivatives) (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Derivative Asset	$ 1,792	$ 3,049
Commodity options | Other current assets
Derivatives, Fair Value [Line Items]
Derivative Asset	0	591
Commodity options | Other assets
Derivatives, Fair Value [Line Items]
Derivative Asset	0	162
Foreign exchange options | Other current assets
Derivatives, Fair Value [Line Items]
Derivative Asset	1,792	1,851
Foreign exchange options | Other assets
Derivatives, Fair Value [Line Items]
Derivative Asset	0	445
Foreign exchange forwards | Accrued expenses
Derivatives, Fair Value [Line Items]
Derivative Liability	$ 14	$ 0