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Other Current Assets and Other Assets - Current (Details) - USD ($) $ in Thousands | Jul. 25, 2020 | Jan. 25, 2020
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Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Prepaid expenses | $ 25,235 | $ 12,769
Deposits and other current assets | 23,092 | 17,447
Insurance recoveries/receivables for accrued insurance claims | 0 | 0
Restricted cash | 1,372 | 1,556
Receivables on equipment sales | 141 | 219
Other current assets | $ 49,840 | $ 31,991

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