CONDENSED CONSOLIDATED STATEMENTS OF (LOSS)/INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2022	Sep. 28, 2021	Sep. 27, 2022	Sep. 28, 2021
CONDENSED CONSOLIDATED STATEMENTS OF (LOSS)/INCOME
Revenues	$ 784,001	$ 754,474	$ 2,410,354	$ 2,150,847
Costs and expenses:
Cost of sales	197,774	169,418	590,457	474,237
Labor expenses	293,040	279,957	893,322	784,501
Other operating costs and expenses	217,009	201,490	643,844	582,518
General and administrative expenses	50,324	45,802	149,638	138,457
Depreciation and amortization expenses	22,651	22,576	66,764	66,805
Impairment of assets and lease termination expenses			313	594
Acquisition-related contingent consideration, compensation and amortization expenses	1,081	685	2,920	12,592
Preopening costs	4,327	3,169	9,038	9,804
Total costs and expenses	786,206	723,097	2,356,296	2,069,508
(Loss)/income from operations	(2,205)	31,377	54,058	81,339
Interest and other expense, net	(1,315)	(1,794)	(3,906)	(9,194)
(Loss)/income before income taxes	(3,520)	29,583	50,152	72,145
Income tax (benefit)/provision	(1,122)	(3,097)	3,731	1,882
Net (loss)/income	(2,398)	32,680	46,421	70,263
Dividends on Series A preferred stock				(18,661)
Undistributed earnings allocated to Series A preferred stock				(5,804)
Net (loss)/income available to common stockholders	$ (2,398)	$ 32,680	$ 46,421	$ 45,798
Net (loss)/income per common share:
Basic	$ (0.05)	$ 0.65	$ 0.93	$ 0.98
Diluted (Note 11)	$ (0.05)	$ 0.64	$ 0.92	$ 0.96
Weighted-average common shares outstanding:
Basic	49,653	50,212	50,124	46,624
Diluted	49,653	51,113	50,708	47,675