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Other Current Assets and Other Assets - Non-current (Details) - USD ($)
$ in Thousands
9 Months Ended
Oct. 27, 2018
Jan. 27, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Deferred financing costs $ 9,504 $ 3,873
Restricted cash 5,253 5,253
Insurance recoveries/receivables for accrued insurance claims 9,776 6,722
Long-term contract assets 32,014 5,486
Other non-current deposits and assets 7,134 6,856
Total other assets 63,681 $ 28,190
Decrease in accrued insurance claims 10,600  
Increase (Decrease) in Contract with Customer, Asset $ 26,500