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		6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018	Oct. 31, 2018
Segment Reporting Information [Line Items]
Revenue, Net	$ 273,370	$ 297,340	$ 532,303	$ 545,006
Long-Lived Assets	370,753		370,753		$ 358,491
Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Long-Lived Assets	102,966		102,966		104,780
North America \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	207,807	224,933	402,952	425,631
Foreign Currency Transaction Gain, before Tax	(27)	(43)	211	(31)
Long-Lived Assets	267,787		267,787		$ 253,711
Europe & Asia \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	71,867	76,946	140,546	128,670
Foreign Currency Transaction Gain, before Tax	(7)	(115)	(6)	(243)
Rest of World [Member] \| Geography Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue, Net	$ (6,304)	$ (4,539)	$ (11,195)	$ (9,295)
Sales [Member] \| Non-US [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	30.90%		30.60%	27.10%