Derivative Financial Instruments (Schedule Of Fair Values Of The Company's Derivative Instruments And The Line Items On The Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	$ 284	$ 905
Derivative Liabilities, Fair Value	1,142	381
Prepaid Expenses And Other Current Assets [Member] | Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	254	842
Prepaid Expenses And Other Current Assets [Member] | Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets, Fair Value	30	63
Other Accrued Liabilities [Member] | Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	1,072	368
Other Accrued Liabilities [Member] | Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	$ 70	$ 13