Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 28, 2011	Jun. 29, 2010
Cash flows from operations:
Net income	$ 68,484	$ 52,500
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	38,801	33,924
Stock-based compensation expense	5,140	4,684
Tax benefit from exercise of stock options	(925)	(5,131)
Deferred income taxes	6,430	(9,983)
Other	1,566	(257)
Changes in operating assets and liabilities, excluding the effect of acquisitions:
Trade and other accounts receivable, net	(10,151)	(2,916)
Inventories	414	301
Prepaid expenses	(10,723)	(9,704)
Deposits and other	(367)	(468)
Accounts payable	4,589	462
Accrued expenses	(18,898)	30,953
Deferred rent	2,815	1,090
Other long-term liabilities	(2,306)	5,496
Net cash provided by operating activities	84,869	100,951
Cash flows from investing activities:
Additions to property and equipment	(46,982)	(23,793)
Acquisitions, net of cash acquired	(39,746)
Proceeds from sale of bakery-cafes	115	2,204
Net cash used in investing activities	(86,613)	(21,589)
Cash flows from financing activities:
Repurchase of common stock	(891)	(71,398)
Exercise of employee stock options	1,004	21,736
Tax benefit from exercise of stock options	925	5,131
Proceeds from issuance of common stock under employee benefit plans	976	864
Net cash provided by (used in) financing activities	2,014	(43,667)
Net increase in cash and cash equivalents	270	35,695
Cash and cash equivalents at beginning of period	229,299	246,400
Cash and cash equivalents at end of period	$ 229,569	$ 282,095