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		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012	Dec. 29, 2012
Derivatives, Fair Value [Line Items]
Fair Value	$ 44,959		$ 44,959		$ 45,045
Net Unrealized Gain (Loss)	(1,581)	(1,048)	4	(1,447)
Short-term liabilities
Derivatives, Fair Value [Line Items]
Fair Value	14,986		14,986		15,015
Net Unrealized Gain (Loss)	(523)	(262)	2	(362)
Long-term liabilities
Derivatives, Fair Value [Line Items]
Fair Value	29,973		29,973		30,030
Net Unrealized Gain (Loss)	$ (1,058)	$ (786)	$ 2	$ (1,085)