EMPLOYEE BENEFITS (Narrative) (Details) - USD ($)	12 Months Ended
Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Contributions to defined contribution plans	$ 1,100,000	$ 1,100,000	$ 933,000

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration