Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue, Net	$ 263,445	$ 294,883	$ 795,748	$ 839,889
Reportable Geographical Components [Member] \| North America
Disaggregation of Revenue [Line Items]
Revenue, Net	203,920	223,074	606,872	648,705
Reportable Geographical Components [Member] \| Europe & Asia
Disaggregation of Revenue [Line Items]
Revenue, Net	65,214	77,438	205,760	206,108
Geography Eliminations [Member] \| Rest of World [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net	$ (5,689)	$ (5,629)	$ (16,884)	$ (14,924)

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration