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	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Fair value	$ 45,045	$ 57,683
Net unrealized loss	1,432	1,514
Short-term liabilities
Derivatives, Fair Value [Line Items]
Fair value	15,015	14,421
Net unrealized loss	451	133
Long-term liabilities
Derivatives, Fair Value [Line Items]
Fair value	30,030	43,262
Net unrealized loss	$ 981	$ 1,381