Summary of Significant Accounting Policies and Related Data - Revenue Recognition (Details) - USD ($) $ in Millions	Oct. 31, 2019	Oct. 31, 2018
Accounting Policies [Abstract]
Consignment inventory amount	$ 19.9	$ 22.7

Gross amount of inventory owned by the entity but in the hands of a customer, typically a reseller.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_OtherInventoryMaterialsSuppliesAndMerchandiseUnderConsignment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant