Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.19.2
Commitments and Contingencies - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 14, 2019
Jul. 15, 2018
Jul. 14, 2019
Jul. 15, 2018
Loss Contingencies [Line Items]        
Litigation contingencies $ 0 $ 0 $ 0 $ 4,000
Compensation-related Claims        
Loss Contingencies [Line Items]        
Litigation contingencies       $ 4,000