XML 56 R42.htm IDEA: XBRL DOCUMENT v3.7.0.1
Insurance - Additional Information (Detail) - USD ($)
3 Months Ended
Jan. 31, 2017
Oct. 31, 2016
Schedule of Other Liabilities    
Self insurance retention amount per-claim $ 1,000,000  
Insurance policy coverage, general liability losses 200,000,000  
Insurance policy coverage, property damage 75,000,000  
Change in insurance claims 5,000,000  
Insurance claim reserves 432,200,000 $ 423,800,000
Medical and Dental Self Insurance Program    
Schedule of Other Liabilities    
Insurance claim reserves 6,600,000 5,900,000
Minimum    
Schedule of Other Liabilities    
Primary policy limit 1,000,000  
Maximum    
Schedule of Other Liabilities    
Primary policy limit 5,000,000  
Self insurance retention amount per-claim 400,000.0  
Other Assets    
Schedule of Other Liabilities    
Insurance recoverables $ 69,800,000 $ 69,700,000