Annual report pursuant to Section 13 and 15(d)

Other Charges - Additional Information (Details)

v3.8.0.1
Other Charges - Additional Information (Details)
$ in Thousands
 3 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2017
USD ($)
restaurant
Jul. 09, 2017
USD ($)
restaurant
Dec. 25, 2016
USD ($)
restaurant
Oct. 02, 2016
USD ($)
restaurant
Jul. 10, 2016
USD ($)
restaurant
Apr. 17, 2016
USD ($)
Dec. 31, 2017
USD ($)
restaurant
Dec. 25, 2016
USD ($)
restaurant
Dec. 27, 2015
USD ($)
restaurant
Restructuring Cost and Reserve [Line Items]                  
Number of restaurants impaired | restaurant 8 5 16 2 6   13 19 2
Other charges - asset impairment and restaurant closure costs $ 5,300 $ 1,600 $ 19,300 $ 3,800 $ 3,900 $ 800 $ 6,914 $ 31,842 $ 581
Impairment of restaurants impaired             $ 6,900 $ 24,400 $ 600
Number of restaurants closed at the end of their lease term | restaurant             2 2 1
Number of restaurants closed and sold | restaurant               1  
Number of restaurants closed | restaurant 1   9 9     1 9  
Restaurant closure costs     $ 1,200 $ 5,500       $ 6,700  
Asset disposal costs               3,700  
Future lease obligation costs               $ 2,700  
Number of restaurants temporarily closed | restaurant               1  
Litigation contingencies             $ 0 $ 3,900 $ 0
Reorganization costs             $ 0 1,322 $ 0
Severance costs     $ 1,300            
Software in development, related to supply chain and human resource management system modules                  
Restructuring Cost and Reserve [Line Items]                  
Impairment of software in development               2,500  
Restaurant relocation                  
Restructuring Cost and Reserve [Line Items]                  
Other charges - asset impairment and restaurant closure costs               $ 800