Amount of receivables arising from transactions with related parties due within one year or the normal operating cycle, if longer.

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

Related Party Receivables (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2019	Apr. 30, 2018	Oct. 31, 2018	Oct. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Related-party accounts receivable	$ 2,306		$ 2,306		$ 996
MTD Holdings Inc. [Member] \| Significant Shareholder [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenue from Related Parties	$ 2,343	$ 2,224	$ 4,202	$ 3,266
Related-party accounts receivable					$ 2,306	$ 996