CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 03, 2012	Dec. 28, 2010	Dec. 29, 2009
Cash flows from operating activities:
Net income	$ 95,720	$ 81,713	$ 42,833
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	71,958	72,140	75,184
Impairment of assets	1,547		26,541
Realized loss on derivative financial instruments		7,376	7,421
Deferred income taxes	7,907	(4,087)	(4,798)
Stock-based compensation	9,635	10,913	14,610
Tax impact of stock options exercised, net of cancellations	844	233	(1,117)
Excess tax benefit related to stock options exercised	(741)	(3,357)	(857)
Other	1,023	178	1,957
Changes in assets and liabilities:
Accounts receivable	4,850	(4,832)	1,185
Other receivables	(4,800)	179	5,346
Inventories	(5,174)	(834)	930
Prepaid expenses	(8,153)	(474)	(3,217)
Other assets	(545)	562	6,725
Accounts payable	3,508	(1,297)	(3,927)
Income taxes receivable	(1,632)	(1,964)	7,865
Termination of derivative financial instruments		(7,376)	(7,421)
Other accrued expenses	20,117	17,984	29,587
Cash provided by operating activities	196,064	167,057	198,847
Cash flows from investing activities:
Additions to property and equipment	(76,746)	(41,847)	(37,243)
Additions to intangible assets	(870)	(1,821)	(1,712)
Sales of available-for-sale securities			1,000
Cash used in investing activities	(77,616)	(43,668)	(37,955)
Cash flows from financing activities:
Deemed landlord financing proceeds	5,070	4,198	6,354
Deemed landlord financing payments	(1,687)	(1,529)	(1,436)
Proceeds from exercise of employee stock options	16,146	30,577	1,683
Excess tax benefit related to stock options exercised	741	3,357	857
Repayment on credit facility		(100,000)	(175,000)
Purchase of treasury stock	(172,126)	(52,088)
Cash used in financing activities	(151,856)	(115,485)	(167,542)
Net change in cash and cash equivalents	(33,408)	7,904	(6,650)
Cash and cash equivalents at beginning of period	81,619	73,715	80,365
Cash and cash equivalents at end of period	48,211	81,619	73,715
Supplemental disclosures:
Interest paid	4,250	17,492	24,486
Income taxes paid	$ 27,246	$ 31,038	$ 18,576