Employee Retirement and Deferred Compensation Plans (Details Textual) $ in Millions	12 Months Ended
	Oct. 31, 2018 USD ($)	Oct. 31, 2017 USD ($)	Oct. 31, 2016 USD ($)
Employee Retirement and Deferred Compensation Plans [Abstract]
Defined Contribution Plan, Cost	$ 12.6	$ 12.3	$ 10.3
Deferred Compensation Liability, Current and Noncurrent	$ 27.0	$ 23.2
Number of Unfunded Defined Benefit Retirement Plans	2
Normal retirement age	62
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.06%	3.19%	2.98%