Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011	Jun. 30, 2012	Jun. 25, 2011
Consolidated Statements of Comprehensive Income
Net income	$ 23,204	$ 20,701	$ 43,229	$ 39,301
Other comprehensive income by component, net of tax:
Unrealized holding gains arising during period (Net of deferred taxes of $603 and $355 respectively for the 13 Weeks Ended and $517 and $482 respectively for the 26 Weeks Ended)	810	559	686	738
Reclassification adjustment for gains included in net income (Net of deferred taxes of $313 and $165 respectively for the 13 Weeks Ended and $314 and $423 respectively for the 26 Weeks Ended)	(392)	(232)	(394)	(596)
Other comprehensive income, net of tax	418	327	292	142
Comprehensive income, net of tax	$ 23,622	$ 21,028	$ 43,521	$ 39,443