Other Current Assets and Other Assets - Current (Details) - USD ($) $ in Thousands	Jan. 30, 2021	Jan. 25, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses	$ 14,849	$ 12,769
Deposits and other current assets	12,817	17,447
Restricted cash	1,372	1,556
Receivables on equipment sales	34	219
Other current assets	$ 29,072	$ 31,991