Financial Instruments and Derivatives - Location and Fair Values of Derivative Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Dec. 31, 2013
Derivatives Designated as Hedging Instruments [Member] | Commodity Contracts [Member] | Prepaid Expenses [Member]
Derivatives, Fair Value [Line Items]
Derivatives instruments, assets	$ 1,232	$ 535
Derivatives Designated as Hedging Instruments [Member] | Commodity Contracts [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives instruments, assets	357	363
Derivatives Designated as Hedging Instruments [Member] | Commodity Contracts [Member] | Accrued Expenses and Other [Member]
Derivatives, Fair Value [Line Items]
Derivatives instruments, liabilities	(189)	(1,228)
Derivatives Designated as Hedging Instruments [Member] | Commodity Contracts [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives instruments, liabilities	(51)	0
Derivatives Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Prepaid Expenses [Member]
Derivatives, Fair Value [Line Items]
Derivatives instruments, assets	827	896
Derivatives Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Accrued Expenses and Other [Member]
Derivatives, Fair Value [Line Items]
Derivatives instruments, liabilities	(627)	(993)
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Prepaid Expenses [Member]
Derivatives, Fair Value [Line Items]
Derivatives instruments, assets	468	468
Derivatives Not Designated as Hedging Instruments [Member] | Foreign Exchange Contracts [Member] | Accrued Expenses and Other [Member]
Derivatives, Fair Value [Line Items]
Derivatives instruments, liabilities	$ (243)	$ (53)