XML 49 R34.htm IDEA: XBRL DOCUMENT v3.2.0.727
Insurance - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jul. 31, 2015
Apr. 30, 2015
Jul. 31, 2015
Jul. 31, 2014
Oct. 31, 2014
Schedule of Other Liabilities          
Self insurance retention amount per-claim     $ 1,000,000    
Insurance policy coverage, general liability losses $ 200,000,000   200,000,000    
Insurance policy coverage, property damage 75,000,000   75,000,000    
Insurance claims 46,500,000   41,400,000 $ (5,800,000)  
Insurance claim reserves 391,200,000   391,200,000   $ 349,700,000
Medical and Dental Self Insurance Program          
Schedule of Other Liabilities          
Insurance claim reserves 8,500,000   8,500,000   4,800,000
Minimum          
Schedule of Other Liabilities          
Primary policy limit 1,000,000   1,000,000    
Maximum          
Schedule of Other Liabilities          
Primary policy limit 5,000,000   5,000,000    
Self insurance retention amount per-claim     400,000    
Other Current Assets and Other Assets          
Schedule of Other Liabilities          
Insurance recoverables 67,900,000   $ 67,900,000   $ 66,400,000
Corporate          
Schedule of Other Liabilities          
Insurance claims $ 39,500,000 $ 3,000,000