Quarterly report pursuant to Section 13 or 15(d)

Other Charges - Additional Information (Details)

v3.20.2
Other Charges - Additional Information (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 04, 2020
USD ($)
Jul. 12, 2020
restaurant
Oct. 04, 2020
USD ($)
restaurant
segment
Oct. 06, 2019
restaurant
Other Income and Expenses [Abstract]        
Number of restaurants impaired | restaurant     36 29
Asset Impairment Charges, Closed Restaurants | $ $ 3,300   $ 5,700  
Property, Plant and Equipment [Line Items]        
Number of restaurants impaired | restaurant     36 29
Currently Operating Restaurants [Member]        
Other Income and Expenses [Abstract]        
Number of restaurants impaired | segment     30  
Property, Plant and Equipment [Line Items]        
Number of restaurants impaired | segment     30  
Closed Restaurants [Member]        
Other Income and Expenses [Abstract]        
Number of restaurants impaired   2 6  
Property, Plant and Equipment [Line Items]        
Number of restaurants impaired   2 6