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Other Current Assets and Other Assets - Current (Details) - USD ($)
$ in Thousands
Apr. 25, 2020
Jan. 25, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid expenses $ 30,351 $ 12,769
Deposits and other current assets 16,862 17,447
Insurance recoveries/receivables for accrued insurance claims 0 0
Restricted cash 1,372 1,556
Receivables on equipment sales 0 219
Other current assets $ 48,585 $ 31,991