CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2019	Jul. 03, 2018	Jul. 02, 2019	Jul. 03, 2018
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
Revenues	$ 602,645	$ 587,319	$ 1,202,126	$ 1,172,016
Costs and expenses:
Cost of sales	134,438	131,671	270,625	265,891
Labor expenses	217,921	211,408	435,231	420,983
Other operating costs and expenses	149,106	140,515	302,327	285,491
General and administrative expenses	37,247	41,423	76,370	80,697
Depreciation and amortization expenses	21,659	23,727	43,021	47,729
Impairment of assets and lease terminations		2,583		2,583
Preopening costs	2,175	1,449	4,305	2,548
Total costs and expenses	562,546	552,776	1,131,879	1,105,922
Income from operations	40,099	34,543	70,247	66,094
Loss on investment in unconsolidated affiliates	(1,644)	(1,039)	(3,094)	(1,128)
Interest and other expense, net	(25)	(1,869)	(23)	(3,286)
Income before income taxes	38,430	31,635	67,130	61,680
Income tax provision	2,920	3,282	4,636	7,298
Net income	$ 35,510	$ 28,353	$ 62,494	$ 54,382
Net income per share:
Basic (in dollars per share)	$ 0.80	$ 0.62	$ 1.41	$ 1.20
Diluted (in dollars per share)	$ 0.79	$ 0.61	$ 1.39	$ 1.17
Weighted average shares outstanding:
Basic (in shares)	44,165	45,383	44,210	45,467
Diluted (in shares)	44,786	46,426	44,871	46,469