Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 22, 2015		Mar. 23, 2014
Cash flows from operating activities:
Net income	$ 46,289		$ 40,474
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,347		6,421
(Gains) losses on sale/disposal of assets	150		(1,556)
Amortization of deferred financing costs	1,274		1,390
Provision for deferred income taxes	198		700
Non-cash compensation expense	4,466		4,455
Tax impact from equity-based compensation	(4,677)		(7,834)
Other	74		45
Changes in operating assets and liabilities	29,624		(7,891)
Net cash provided by operating activities	84,745		36,204
Cash flows from investing activities:
Capital expenditures	(7,600)		(6,561)
Proceeds from sale of assets	6,789		3,906
Changes in restricted cash	(579)		16,827
Other	1,556		(279)
Net cash provided by investing activities	166		13,893
Cash flows from financing activities:
Repayments of long-term debt and capital lease obligations	(103)		(6,032)
Proceeds from exercise of stock options	1,196		2,458
Tax impact from equity-based compensation	4,677		7,834
Purchases of common stock	(29,512)		(15,131)
Tax payments for restricted stock upon vesting	(3,632)		(4,308)
Payments of common stock dividends and equivalents	(13,965)		(11,053)
Net cash used in financing activities	(41,339)		(26,232)
Effect of exchange rate changes on cash and cash equivalents	564		128
Change in cash and cash equivalents	44,136		23,993
Cash and cash equivalents, at beginning of period	30,855	[1]	14,383
Cash and cash equivalents, at end of period	$ 74,991		$ 38,376

[1] The balance sheet at December 28, 2014 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.