FINANCIAL INSTRUMENTS (Narrative) (Details) - USD ($)	Oct. 31, 2017	Oct. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notional amount of contracts	$ 134,300,000	$ 125,600,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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