CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Apr. 01, 2014
CONSOLIDATED STATEMENTS OF INCOME
Revenues	$ 517,973	$ 481,431
Costs and expenses:
Cost of sales	126,612	119,362
Labor expenses	171,169	159,450
Other operating costs and expenses	123,435	115,633
General and administrative expenses	33,075	31,242
Depreciation and amortization expenses	21,177	20,251
Impairment of assets and lease terminations		186
Preopening costs	1,451	2,234
Total costs and expenses	476,919	448,358
Income from operations	41,054	33,073
Interest and other expense, net	(1,895)	(1,391)
Income before income taxes	39,159	31,682
Income tax provision	10,736	9,164
Net income	$ 28,423	$ 22,518
Net income per share:
Basic (in dollars per share)	$ 0.58	$ 0.44
Diluted (in dollars per share)	$ 0.56	$ 0.43
Weighted average shares outstanding:
Basic (in shares)	49,225	50,745
Diluted (in shares)	51,102	52,844
Cash dividends declared per common share (in dollars per share)	$ 0.165	$ 0.14