Acquisition (Tables)

6 Months Ended

Jul. 01, 2018

Jul. 02, 2017

Business Acquisition [Line Items]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Since the beginning of 2017, the Company has acquired an aggregate of 65 restaurants from other franchisees in the following transactions, some of which were subject to the ROFR:

Closing Date		Number of Restaurants	Purchase Price		Market Location
2017 Acquisitions:
February 28, 2017		43	$	20,366	Cincinnati, Ohio
June 5, 2017	(1)	17	16,355		Baltimore, Maryland and Washington, DC
November 28, 2017		4	1,202		Maine
		64	$	37,923
2018 Acquisitions:
February 13, 2018	(2)	1	—		New York
Total 2017 and 2018 Acquisitions		65	$	37,923

(1) Acquisitions resulting from the exercise of the ROFR.

(2) This acquisition resulted in a bargain purchase gain because the fair value of assets acquired, largely representing a franchise right asset of $290, exceeded the total fair value of consideration paid by $230. The Company recognized this gain and recorded it as "Gain on bargain purchase" in the condensed consolidated statements of comprehensive income.

Business Acquisition, Pro Forma Information [Table Text Block]

The following table summarizes the Company's unaudited pro forma operating results:

	Three Months Ended				Six Months Ended
	July 1, 2018		July 2, 2017		July 1, 2018		July 2, 2017
Restaurant sales	$	303,050	$	287,415	$	574,756	$	543,818
Net income	$	7,855	$	6,677	$	4,838	$	2,188
Basic and diluted net income per share	$	0.17	$	0.15	$	0.11	$	0.05