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Restricted Cash and Short-Term Investments - (Details) - USD ($)
$ in Thousands
Nov. 03, 2019
Oct. 28, 2018
Restricted Cash and Cash Equivalents Items [Line Items]    
Short-term investments $ 3,022 $ 3,063
Restricted Cash and Short-term Investments    
Restricted Cash and Cash Equivalents Items [Line Items]    
Short-term investments 3,000 3,100
Line of Credit and Letters of Credit | Restricted Cash and Short-term Investments    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted as collateral 500 500
Associated Vendors    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash $ 9,300 $ 11,300