Condensed Consolidated Statement of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Condensed Consolidated Statement of Income [Abstract]
Revenue	$ 1,225,007	$ 1,128,074	$ 3,639,924	$ 3,366,312
Restaurant operating costs (exclusive of depreciation and amortization shown separately below):
Food, beverage and packaging	409,213	394,567	1,194,224	1,155,514
Labor	332,865	306,862	993,570	900,564
Occupancy	86,691	83,199	258,719	242,482
Other operating costs	167,488	162,312	490,728	476,606
General and administrative expenses	109,524	99,182	271,740	238,698
Depreciation and amortization	52,654	41,546	148,762	121,906
Pre-opening costs	2,127	2,792	6,790	9,764
Impairment, closure costs, and asset disposals	6,454	6,747	56,635	10,013
Total operating expenses	1,167,016	1,097,207	3,421,168	3,155,547
Income from operations	57,991	30,867	218,756	210,765
Interest and other income, net	2,493	1,275	6,210	3,512
Income before income taxes	60,484	32,142	224,966	214,277
Provision for income taxes	(22,280)	(12,532)	(80,432)	(81,817)
Net income	$ 38,204	$ 19,610	$ 144,534	$ 132,460
Earnings per share:
Basic	$ 1.37	$ 0.69	$ 5.19	$ 4.63
Diluted	$ 1.36	$ 0.69	$ 5.17	$ 4.62
Weighted-average common shares outstanding:
Basic	27,802	28,415	27,844	28,604
Diluted	28,017	28,439	27,967	28,696