Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies (Details 5)

v2.4.0.6
Description of Business and Summary of Significant Accounting Policies (Details 5) (USD $)
 3 Months Ended 4 Months Ended 12 Months Ended
Dec. 30, 2012
Sep. 30, 2012
Jul. 08, 2012
Dec. 25, 2011
Oct. 02, 2011
Jul. 10, 2011
Apr. 15, 2012
Apr. 17, 2011
Apr. 18, 2010
Dec. 30, 2012
item
Dec. 25, 2011
Dec. 26, 2010
Revenue Recognition                        
Estimated performance period to recognize gift card breakage                   24 months    
Revenue recognized as initial adjustment of unredeemed gift cards               $ 400,000 $ 3,500,000      
Revenue related to unredeemed gift card breakage                   1,486,000 1,687,000 4,286,000
Unearned gift card revenue 23,600,000     20,300,000           23,600,000 20,300,000  
Term of franchise rights                   20 years    
Additional term of franchise rights                   10 years    
Number of entrees to be purchased for each free entree                   9    
Maximum period over which member may redeem reward after award is earned                   60 days    
Unearned loyalty revenue 4,600,000     3,800,000           4,600,000 3,800,000  
Advertising                        
Advertising and marketing costs                   33,500,000 29,000,000 28,900,000
Number of marketing and national media advertising funds to which the entity and franchisees must contribute a minimum percentage of revenue                   2    
Earnings Per Share                        
Weighted average stock options outstanding excluded from computation of diluted earnings per share (in shares)                   305,000 226,000 511,000
Net income $ 6,492,000 $ 3,533,000 $ 7,748,000 $ 2,905,000 $ 2,069,000 $ 6,894,000 $ 10,558,000 $ 8,708,000   $ 28,331,000 $ 20,577,000 $ 7,299,000
Basic weighted-average shares outstanding                   14,411,000 15,122,000 15,536,000
Dilutive effect of stock options and awards (in shares)                   258,000 235,000 173,000
Diluted weighted average shares outstanding                   14,669,000 15,357,000 15,709,000
Earnings per share:                        
Basic (in dollars per share) $ 0.46 $ 0.25 $ 0.53 $ 0.20 $ 0.14 $ 0.45 $ 0.72 $ 0.56   $ 1.97 $ 1.36 $ 0.47
Diluted (in dollars per share) $ 0.45 $ 0.24 $ 0.52 $ 0.20 $ 0.14 $ 0.44 $ 0.71 $ 0.56   $ 1.93 $ 1.34 $ 0.46
Minimum
                        
Revenue Recognition                        
Royalties as a percentage of franchised adjusted gross restaurant sales                   3.00%    
Maximum
                        
Revenue Recognition                        
Royalties as a percentage of franchised adjusted gross restaurant sales                   4.00%