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Accrued Insurance Claims - Accrued Insurance and Insurance Recoveries/Receivables (Details) - USD ($)
$ in Thousands
Jan. 30, 2021
Jan. 25, 2020
Accrued Insurance Claims [Abstract]    
Accrued insurance claims - current $ 41,736 $ 38,881
Accrued insurance claims - non-current 70,224 56,026
Accrued insurance claims 111,960 94,907
Insurance recoveries/receivables:    
Non-current (included in Other assets) 15,837 4,864
Insurance recoveries/receivables $ 15,837 $ 4,864