Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies (Details 6)

v3.8.0.1
Description of Business and Summary of Significant Accounting Policies (Details 6)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
fund
entree
shares
Dec. 25, 2016
USD ($)
shares
Dec. 27, 2015
USD ($)
shares
Revenue Recognition      
Revenue related to unredeemed gift card breakage | $ $ 4,026 $ 3,517 $ 5,079
Unearned gift card revenue | $ $ 45,400 41,000  
Term of franchise rights 20 years    
Additional term of franchise rights 10 years    
Royalties as a percentage of franchised adjusted gross restaurant sales 4.00%    
Number of entrees to be purchased for each free entree | entree 9    
Maximum period over which member may redeem reward after award is earned 60 days    
Unearned loyalty revenue | $ $ 10,600 9,200  
Advertising      
Number of marketing and national media funds to which the entity and franchisees must contribute a minimum percentage of revenue | fund 2    
Advertising and marketing costs | $ $ 48,000 $ 37,600 $ 34,800
Earnings Per Share      
Basic weighted-average shares outstanding (in shares) | shares 12,899 13,332 14,042
Dilutive effect of stock options and awards (in shares) | shares 99 130 174
Diluted weighted average shares outstanding (in shares) | shares 12,998 13,462 14,216
Awards excluded due to anti-dilutive effect on diluted earnings per share (in shares) | shares 329 229 61