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Restaurant Information (Tables)
 6 Months Ended
Jun. 30, 2018
Disclosure Restaurant Information By Ownership Type [Abstract]  
Restaurant Information by Ownership Type The following table presents restaurant information by ownership type:
Restaurants at June 30,
2018
 
2017
Conventional franchised
21,535

 
21,317

Developmental licensed
7,013

 
7,263

Foreign affiliated
5,973

 
3,356

Total Franchised
34,521

 
31,936

Company-operated
2,885

 
5,075

Systemwide restaurants
37,406

 
37,011