Business Segment Information Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2018	Jan. 31, 2017	Oct. 31, 2017
Segment Reporting Information [Line Items]
Revenue, Net	$ 247,666	$ 247,938
Long-Lived Assets	316,849		$ 309,775
UNITED STATES \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	189,458	203,200
Long-Lived Assets	236,978		235,663
Europe [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	48,379	35,669
Foreign Currency Transaction Gain, before Tax	(131)	141
Long-Lived Assets	56,903		53,569
Rest of World [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	9,829	9,069
Foreign Currency Transaction Gain, before Tax	15	$ (273)
Long-Lived Assets	$ 22,968		$ 20,543
Sales [Member] \| Non-US [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	23.50%	18.00%

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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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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