XML 122 R103.htm IDEA: XBRL DOCUMENT v3.3.1.900
Employee Retirement and Deferred Compensation Plans (Details Textual)
$ in Millions
12 Months Ended
Oct. 31, 2015
USD ($)
Oct. 31, 2014
USD ($)
Oct. 31, 2013
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Cost Recognized $ 8.9 $ 7.8 $ 6.4
Number of Unfunded Defined Benefit Retirement Plans 2    
Normal retirement age 62    
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 3.55% 3.55% 4.01%
Defined Benefit Plan Unfunded Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Accrued for obligations under the plan $ 21.6 $ 20.4