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. 30, 2013	Mar. 31, 2012	Dec. 29, 2012
Derivatives, Fair Value [Line Items]
Fair Value	$ 42,360		$ 45,045
Net Unrealized Gain (Loss)	1,595	(1,103)
Short-term liabilities
Derivatives, Fair Value [Line Items]
Fair Value	14,120		15,015
Net Unrealized Gain (Loss)	532	(276)
Long-term liabilities
Derivatives, Fair Value [Line Items]
Fair Value	28,240		30,030
Net Unrealized Gain (Loss)	$ 1,063	$ (827)