XML 64 R44.htm IDEA: XBRL DOCUMENT v3.3.1.900
Business Combinations Business Combinations - 2015 Acquisitions (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Business Acquisition [Line Items]      
Goodwill $ 2,471,241 [1] $ 2,255,708 $ 1,975,971
Series of Individually Immaterial Business Acquisitions [Member]      
Business Acquisition [Line Items]      
Acquisition-related costs 14,900    
Payments to Acquire Businesses, Net of Cash Acquired 333,200    
Goodwill 234,000    
Business Acquisition, Goodwill, Expected Tax Deductible Amount 2,300    
Identifiable intangibles assets acquired 119,800    
Fair value of stock options assumed $ 2,100    
Minimum | Series of Individually Immaterial Business Acquisitions [Member]      
Business Acquisition [Line Items]      
Definite lived intangible asset amortization period 1 year    
Maximum | Series of Individually Immaterial Business Acquisitions [Member]      
Business Acquisition [Line Items]      
Definite lived intangible asset amortization period 7 years    
[1] There is no accumulated impairment of goodwill for periods presented.