CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 03, 2012	Mar. 29, 2011
Cash flows from operating activities:
Net income	$ 20,722	$ 20,456
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	18,298	17,453
Deferred income taxes	2,923	1,549
Stock-based compensation	3,364	2,981
Tax impact of stock options exercised, net of cancellations	1,492	225
Excess tax benefit related to stock options exercised	(1,210)	(241)
Other	200	173
Changes in assets and liabilities:
Accounts receivable	2,454	9,507
Other receivables	13,304	9,617
Inventories	(5,042)	(3,962)
Prepaid expenses	126	864
Other assets	(2,412)	(706)
Accounts payable	606	3,862
Income taxes receivable/payable	2,929	5,505
Other accrued expenses	(16,378)	(14,532)
Cash provided by operating activities	41,376	52,751
Cash flows from investing activities:
Additions to property and equipment	(16,349)	(10,505)
Additions to intangible assets	(1,235)	(224)
Cash used in investing activities	(17,584)	(10,729)
Cash flows from financing activities:
Deemed landlord financing proceeds	82	629
Deemed landlord financing payments	(459)	(405)
Proceeds from exercise of employee stock options	9,314	2,740
Excess tax benefit related to stock options exercised	1,210	241
Purchase of treasury stock	(40,850)	(50,612)
Cash used in financing activities	(30,703)	(47,407)
Net change in cash and cash equivalents	(6,911)	(5,385)
Cash and cash equivalents at beginning of period	48,211	81,619
Cash and cash equivalents at end of period	41,300	76,234
Supplemental disclosures:
Interest paid	1,118	1,170
Income taxes paid	$ 1,044	$ 686