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Note 8. Restaurant Operations Revenues (Tables)
6 Months Ended
Jun. 30, 2019
Note 8. Restaurant Operations Revenues  
Summary of restaurant operations revenues
   Second Quarter  First Six Months
   2019  2018  2019  2018
Net sales  $152,062   $191,797   $317,693   $377,368 
Franchise royalties and fees   7,146    7,773    14,058    14,875 
Other   853    1,024    2,085    2,285 
   $160,061   $200,594   $333,836   $394,528