Basis of Presentation - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 02, 2016 USD ($)	Sep. 27, 2015 USD ($)	Oct. 02, 2016 USD ($) shares	Sep. 27, 2015 USD ($)	Dec. 29, 2013 Restaurant	Jan. 03, 2016 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of restaurants closed | Restaurant					3
Loss from discontinued operations, net	$ (111)	$ (106)	$ (328)	$ (317)
Transaction costs	0	$ 4,197	62	6,311
Non-controlling interests	$ 2,730		$ 2,730			$ 1,184
Stock repurchase program, shares repurchased | shares			300,059
Aggregate purchase price of shares under stock repurchase program			$ 3,153
Allocation of Net Income
Summary Of Significant Accounting Policies [Line Items]
Non-controlling interests			$ 0	$ 0