Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 09, 2012	Sep. 11, 2011	Sep. 09, 2012	Sep. 11, 2011
Net income	$ 25,976	$ 22,091	$ 74,814	$ 74,450
Other comprehensive income (loss), before tax:
Currency translation adjustment	(23)	(114)	(810)	(183)
Reclassification adjustment for losses included in net income		577	776	1,721
Other Comprehensive Income (Loss), before Tax, Total	(23)	463	(34)	1,538
Tax attributes of items in other comprehensive income (loss):
Currency translation adjustment	1	(144)	305	(667)
Reclassification adjustment for losses included in net income		(219)	(295)	(654)
Other Comprehensive Income (Loss), Tax	1	(363)	10	(1,321)
Other comprehensive income (loss), net of tax	(22)	100	(24)	217
Comprehensive income	$ 25,954	$ 22,191	$ 74,790	$ 74,667