CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2018	Oct. 03, 2017	Oct. 02, 2018	Oct. 03, 2017
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
Revenues	$ 580,882	$ 555,392	$ 1,764,751	$ 1,688,687
Costs and expenses:
Cost of sales	133,598	127,453	402,453	385,373
Labor expenses	204,537	193,466	627,772	580,364
Other operating costs and expenses	144,180	138,423	436,308	411,534
General and administrative expenses	37,469	35,364	118,166	106,946
Depreciation and amortization expenses	24,090	22,999	71,819	69,492
Impairment of assets and lease terminations	263		2,846	1,231
Preopening costs	3,250	3,370	5,798	5,649
Total costs and expenses	547,387	521,075	1,665,162	1,560,589
Income from operations	33,495	34,317	99,589	128,098
Interest and other expense, net	(3,290)	(1,600)	(7,704)	(4,426)
Income before income taxes	30,205	32,717	91,885	123,672
Income tax provision	1,730	6,272	9,028	24,018
Net income	$ 28,475	$ 26,445	$ 82,857	$ 99,654
Net income per share:
Basic (in dollars per share)	$ 0.63	$ 0.57	$ 1.82	$ 2.11
Diluted (in dollars per share)	$ 0.61	$ 0.56	$ 1.79	$ 2.05
Weighted average shares outstanding:
Basic (in shares)	45,321	46,602	45,418	47,323
Diluted (in shares)	46,368	47,519	46,400	48,582
Cash dividends declared per common share (in dollars per share)	$ 0.33	$ 0.29	$ 0.91	$ 0.77