For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Business Segment Information Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018	Oct. 31, 2018
Segment Reporting Information [Line Items]
Revenue, Net	$ 263,445	$ 294,883	$ 795,748	$ 839,889
Long-Lived Assets	374,713		374,713		$ 358,491
Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Long-Lived Assets	102,118		102,118		104,780
Non-US [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	82,621	87,393	245,376	235,037
North America \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	203,920	223,074	606,872	648,705
Foreign Currency Transaction Gain, before Tax	(221)	259	(10)	228
Long-Lived Assets	272,595		272,595		$ 253,711
Rest of World [Member] \| Geography Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue, Net	(5,689)	(5,629)	(16,884)	(14,924)
Europe and Asia [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	65,214	77,438	205,760	206,108
Foreign Currency Transaction Gain, before Tax	$ 484	$ 21	$ 478	$ (222)
Sales [Member] \| Non-US [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	31.40%	29.60%	30.80%	28.00%