Employee Benefit Plans Non-U.S. Plans (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
	Jan. 31, 2018	Jul. 31, 2017	Oct. 31, 2018	Oct. 31, 2015	Oct. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Accumulated Benefit Obligation	$ 1,081,000				$ 1,008,000
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions			$ 1,620
POLAND | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	$ 215,000	$ 148,000		$ 162,000