Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 25, 2012	Mar. 27, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 20,742	$ 27,111
Other comprehensive income, before tax:
Currency translation adjustment	(634)	(25)
Reclassification adjustment for losses included in net income	776	577
Other comprehensive income, before tax, total	142	552
Tax attributes of items in other comprehensive income:
Currency translation adjustment	241	(247)
Reclassification adjustment for losses included in net income	(295)	(219)
Tax attributes of items in other comprehensive income, total	(54)	(466)
Other comprehensive income, net of tax	88	86
Comprehensive income	$ 20,830	$ 27,197

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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