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Note 8. Restaurant Operations Revenues (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Note 8. Restaurant Operations Revenues        
Net sales $ 203,701 $ 203,503 $ 603,850 $ 601,951
Franchise royalties and fees 4,962 4,107 14,096 12,093
Other 782 828 2,503 2,671
Restaurant operations revenue $ 209,445 $ 208,348 $ 620,449 $ 616,715