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. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Dec. 28, 2013
Derivatives, Fair Value [Line Items]
Fair Value	$ 30,168		$ 30,168		$ 30,608
Net Unrealized Gain (Loss)	896	(1,581)	268	4
Short-term liabilities
Derivatives, Fair Value [Line Items]
Fair Value	15,084		15,084		15,304
Net Unrealized Gain (Loss)	448	(523)	134	2
Long-term liabilities
Derivatives, Fair Value [Line Items]
Fair Value	15,084		15,084		15,304
Net Unrealized Gain (Loss)	$ 448	$ (1,058)	$ 134	$ 2