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Other Current Assets and Other Assets - Current (Details) - USD ($) $ in Thousands | Oct. 24, 2020 | Jan. 25, 2020
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Prepaid expenses | $ 22,745 | $ 12,769
Deposits and other current assets | 14,255 | 17,447
Restricted cash | 1,372 | 1,556
Receivables on equipment sales | 90 | 219
Other current assets | $ 38,462 | $ 31,991

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