XML 62 R45.htm IDEA: XBRL DOCUMENT v3.5.0.2
Business Combinations Business Combinations - 2015 Acquisitions (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Business Acquisition [Line Items]      
Goodwill $ 2,518,245 $ 2,471,241 $ 2,255,708
Series of Individually Immaterial Business Acquisitions [Member]      
Business Acquisition [Line Items]      
Acquisition-related costs 4,200    
Payments to acquire businesses, net of cash acquired 56,600    
Goodwill 39,200    
Business acquisition, goodwill, expected tax deductible amount 6,100    
Identifiable intangibles assets acquired $ 23,500    
Provisional information, initial accounting incomplete, measurement period 12 months    
Minimum [Member] | Series of Individually Immaterial Business Acquisitions [Member]      
Business Acquisition [Line Items]      
Definite lived intangible asset amortization period 1 year    
Maximum [Member] | Series of Individually Immaterial Business Acquisitions [Member]      
Business Acquisition [Line Items]      
Definite lived intangible asset amortization period 7 years