CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Oct. 02, 2012	Sep. 27, 2011
Cash flows from operating activities:
Net income	$ 76,284	$ 65,778
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	55,540	52,524
Deferred income taxes	1,091	5,255
Stock-based compensation	8,427	8,797
Tax impact of stock options exercised, net of cancellations	2,188	628
Excess tax benefit related to stock options exercised	(2,317)	(779)
Other	825	807
Changes in assets and liabilities:
Accounts receivable	(860)	3,160
Other receivables	2,159	7,336
Inventories	(2,743)	(10,957)
Prepaid expenses	2,191	2,467
Other assets	(5,070)	119
Accounts payable	(2,455)	3,027
Income taxes receivable/payable	(339)	(792)
Other accrued expenses	(9,816)	(15,491)
Cash provided by operating activities	125,105	121,879
Cash flows from investing activities:
Additions to property and equipment	(64,611)	(50,220)
Additions to intangible assets	(1,726)	(621)
Cash used in investing activities	(66,337)	(50,841)
Cash flows from financing activities:
Deemed landlord financing proceeds	2,596	3,292
Deemed landlord financing payments	(1,399)	(1,242)
Proceeds from exercise of stock options	27,283	9,292
Excess tax benefit related to stock options exercised	2,317	779
Cash dividends paid	(6,382)
Treasury stock purchases	(74,963)	(145,060)
Cash used in financing activities	(50,548)	(132,939)
Net change in cash and cash equivalents	8,220	(61,901)
Cash and cash equivalents at beginning of period	48,211	81,619
Cash and cash equivalents at end of period	56,431	19,718
Supplemental disclosures:
Interest paid	3,338	3,112
Income taxes paid	$ 29,356	$ 21,010