Other Current Assets and Other Assets - Non-current (Details) - USD ($) $ in Thousands	Jan. 30, 2021	Jan. 25, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Long-term contract assets	$ 17,574	$ 22,653
Deferred financing costs	5,205	7,133
Restricted cash	432	3,753
Insurance recoveries/receivables for accrued insurance claims	15,837	4,864
Other non-current deposits and assets	7,541	9,035
Other assets	$ 46,589	$ 47,438