Hedging Activities (Fair Value Of Net Investment Hedge Within Condensed Consolidated Balance Sheets And Unrealized Gain Or Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Dec. 28, 2013
Derivatives, Fair Value [Line Items]
Fair Value	$ 30,904		$ 30,608
Net Unrealized Gain (Loss)	(182)	1,595
Short-term liabilities
Derivatives, Fair Value [Line Items]
Fair Value	15,452		15,304
Net Unrealized Gain (Loss)	(91)	532
Long-term liabilities
Derivatives, Fair Value [Line Items]
Fair Value	15,452		15,304
Net Unrealized Gain (Loss)	$ (91)	$ 1,063