BASIS OF PRESENTATION (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Oct. 01, 2017
USD ($)
state
restaurant
|
Oct. 02, 2016 |
Oct. 01, 2017
USD ($)
state
restaurant
|
Oct. 02, 2016 |
Jan. 01, 2017
USD ($)
|
|
| Franchisor Disclosure Line Items | |||||
| Number Of Restaurants | 154 | 154 | |||
| Number of States in which Entity Operates | state | 32 | 32 | |||
| Effective Income Tax Rate, Continuing Operations | 33.10% | 39.90% | 36.20% | 41.70% | |
| Deferred Tax Assets, Net, Noncurrent | $ | $ 4,226 | $ 4,226 | $ 4,633 | ||
| Maximum [Member] | |||||
| Franchisor Disclosure Line Items | |||||
| Franchise Agreement, Useful Life | 25 years | ||||
| Minimum [Member] | |||||
| Franchisor Disclosure Line Items | |||||
| Franchise Agreement, Useful Life | 10 years | ||||
| Franchised Units [Member] | |||||
| Franchisor Disclosure Line Items | |||||
| Number Of Restaurants | 129 | 129 | |||
| Committed Restaurants | 61 | 61 | |||
| Entity Operated Units [Member] | |||||
| Franchisor Disclosure Line Items | |||||
| Number Of Restaurants | 25 | 25 | |||