Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Narrative)(Details)

v3.7.0.1
Summary of Significant Accounting Policies (Narrative)(Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 25, 2016
USD ($)
Sep. 25, 2016
USD ($)
Dec. 27, 2015
USD ($)
Dec. 25, 2016
USD ($)
Dec. 27, 2015
USD ($)
Dec. 28, 2014
USD ($)
Summary of Significant Accounting Policies [Line Items]            
Operating Leases, Future Minimum Payments Due $ 337,437     $ 337,437    
Impairment and closure costs $ 1,127 $ 390 $ 4,360 1,517 $ 4,360 $ 0
Marketing expense       $ 2,390 $ 2,249 $ 1,719
Number of Reportable Segments       1    
Furniture and Fixtures [Member] | Minimum [Member]            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful life       3 years    
Furniture and Fixtures [Member] | Maximum [Member]            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful life       7 years    
Leasehold Improvements [Member] | Minimum [Member]            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful life       5 years    
Leasehold Improvements [Member] | Maximum [Member]            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful life       20 years