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Other Current Assets and Other Assets - Current (Details) - USD ($) $ in Thousands | Jan. 25, 2020 | Jan. 26, 2019
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Prepaid expenses | $ 12,769 | $ 12,758
Deposits and other current assets | 17,447 | 14,762
Restricted cash | 1,556 | 1,556
Receivables on equipment sales | 219 | 69
Other current assets | $ 31,991 | $ 29,145

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