Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 25, 2018		Mar. 26, 2017
Cash flows from operating activities:
Net income	$ 88,827		$ 62,469
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,069		9,498
Losses on sale/disposal of assets	365		182
Amortization of debt issuance costs	1,177		1,400
Provision for deferred income taxes	566		6,232
Non-cash compensation expense	6,063		5,220
Excess tax benefits from equity-based compensation	(8,410)		(6,498)
Other	(57)		(52)
Changes in operating assets and liabilities	(15,405)		7,242
Changes in advertising fund assets and liabilities, restricted	(519)		(9,065)
Net cash provided by operating activities	83,676		76,628
Cash flows from investing activities:
Capital expenditures	(13,647)		(12,444)
Proceeds from sale of assets			779
Maturities of advertising fund investments, restricted	4,007
Other	(499)		544
Net cash used in investing activities	(10,139)		(11,121)
Cash flows from financing activities:
Repayments of long-term debt and capital lease obligations	(8,078)		(9,718)
Proceeds from exercise of stock options	3,718		1,433
Purchases of common stock	(101,084)		(12,721)
Tax payments for restricted stock upon vesting	(2,299)		(4,896)
Payments of common stock dividends and equivalents	(79)		(253)
Net cash used in financing activities	(107,822)		(26,155)
Effect of exchange rate changes on cash	48		32
Change in cash and cash equivalents, restricted cash and cash equivalents	(34,237)		39,384
Cash and cash equivalents, beginning of period	35,768	[1]	42,815
Restricted cash and cash equivalents, beginning of period	191,762	[1]	126,496
Cash and cash equivalents included in advertising fund assets, restricted, beginning of period	27,316		25,091
Cash and cash equivalents, restricted cash and cash equivalents and cash and cash equivalents included in advertising fund assets, restricted, beginning of period	254,846		194,402
Cash and cash equivalents, end of period	44,609		52,094
Restricted cash and cash equivalents, end of period	145,186		165,666
Cash and cash equivalents included in advertising fund assets, restricted, end of period	30,814		16,026
Cash and cash equivalents, restricted cash and cash equivalents and cash and cash equivalents included in advertising fund assets, restricted, end of period	$ 220,609		$ 233,786

[1] Note: The balance sheet at December 31, 2017 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.