XML 45 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
Restricted Cash and Short-Term Investments - Narrative (Details) - USD ($)
$ in Millions
Jan. 27, 2019
Oct. 28, 2018
Restricted cash and short-term investments    
Restricted Cash and Cash Equivalents Items [Line Items]    
Short-term investments $ 3.0 $ 3.1
Restricted cash and short-term investments | Short-Term Credit Facility    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted as collateral 0.6 0.5
Associated Vendors    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash $ 7.7 $ 11.3