Business Segment Information Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2019	Jan. 31, 2018	Oct. 31, 2018
Segment Reporting Information [Line Items]
Revenue, Net	$ 258,933	$ 247,666
Long-Lived Assets	370,414		$ 358,491
Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Long-Lived Assets	107,424		104,780
North America \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	195,145	200,698
Foreign Currency Transaction Gain, before Tax	238	12
Long-Lived Assets	262,990		$ 253,711
Europe & Asia \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	68,678	51,725
Foreign Currency Transaction Gain, before Tax	1	(128)
Rest of World [Member] \| Geography Eliminations [Member]
Segment Reporting Information [Line Items]
Revenue, Net	$ (4,890)	$ (4,757)
Sales [Member] \| Non-US [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	30.20%	24.60%

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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