Stockholders' Equity (Components Of Accumulated Other Comprehensive Loss) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 30, 2012
Stockholders' Equity Note [Abstract]
Foreign currency translation adjustments, net of income taxes	$ 52,823	$ 67,527
Unrecognized losses and prior service costs, net of income taxes	2,087	2,087
Unrealized net losses on securities, net of income taxes	(159)	(129)
Unrealized and realized losses on derivatives, net of income taxes	(2,294)	(2,892)
Accumulated other comprehensive loss	$ 52,457	$ 66,593