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Restricted Cash and Short-Term Investments (Detail) - USD ($)
$ in Millions
Jan. 28, 2018
Oct. 29, 2017
Line of Credit    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted as collateral $ 29.7  
Restricted cash and short-term investments    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash 10.0 $ 15.1
Short-term investments 3.4 3.5
Restricted cash and short-term investments | Short-Term Credit Facility    
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted as collateral $ 2.1 $ 1.9