BASIS OF PRESENTATION (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Oct. 02, 2016
USD ($)
|
Sep. 27, 2015
USD ($)
|
Oct. 02, 2016
USD ($)
|
Sep. 27, 2015
USD ($)
|
|
| Franchisor Disclosure Line Items | ||||
| Number Of Restaurants | 176 | 176 | ||
| Number of States in which Entity Operates | 32 | 32 | ||
| Number of Commonwealths | 1 | 1 | ||
| Number of Canadian Provinces | 1 | 1 | ||
| Pre-opening expenses | $ 0 | $ 0 | $ 0 | $ 0 |
| Franchised Units [Member] | ||||
| Franchisor Disclosure Line Items | ||||
| Number Of Restaurants | 139 | 139 | ||
| Committed Restaurants | 62 | 62 | ||
| Entity Operated Units [Member] | ||||
| Franchisor Disclosure Line Items | ||||
| Number Of Restaurants | 37 | 37 | ||