v3.7.0.1
RESTRICTED CASH AND MARKETING FUND (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 02, 2017
Jan. 01, 2017
Restricted Cash And Cash Equivalents Items [Line Items]    
Restricted Cash And Cash Equivalents $ 1,640 $ 1,714
Franchisee Marketing Fund Contribution Rate 1.00%  
Public Relations and Marketing Development Fund [Member]    
Restricted Cash And Cash Equivalents Items [Line Items]    
Restricted Cash And Cash Equivalents $ 1,100 946
Cash Restricted for Letters of Credit [Member]    
Restricted Cash And Cash Equivalents Items [Line Items]    
Restricted Cash And Cash Equivalents $ 557 $ 768