XML 36 R24.htm IDEA: XBRL DOCUMENT v3.19.2
Revenue - Additional Information (Details) - USD ($)
$ in Thousands
Jul. 14, 2019
Dec. 30, 2018
Disaggregation of Revenue [Line Items]    
Unearned revenue $ 39,723 $ 55,360
Gift card revenue    
Disaggregation of Revenue [Line Items]    
Unearned revenue 29,400 45,300
Deferred loyalty revenue    
Disaggregation of Revenue [Line Items]    
Unearned revenue $ 10,300 $ 10,000