Business Segment Information Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2015
Segment Reporting Information [Line Items]
Revenue, Net	$ 248,832	$ 266,071	$ 784,151	$ 784,236
Long-Lived Assets	331,828		331,828		$ 340,155
UNITED STATES \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	207,485	226,038	651,526	658,326
Long-Lived Assets	261,206		261,206		276,407
Europe [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	32,766	30,387	105,571	96,154
Foreign Currency Transaction Gain, before Tax	230	206	189	(622)
Long-Lived Assets	50,405		50,405		43,166
Rest of World [Member] \| Reportable Geographical Components [Member]
Segment Reporting Information [Line Items]
Revenue, Net	8,581	9,646	27,054	29,756
Foreign Currency Transaction Gain, before Tax	245	$ (146)	258	$ (193)
Long-Lived Assets	$ 20,217		$ 20,217		$ 20,582
Sales [Member] \| Non-US [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	16.60%	15.00%	16.90%	16.10%

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

+ References

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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+ References

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