SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) - UNUSUAL ITEMS (Details) $ in Millions	3 Months Ended
Jan. 31, 2018 USD ($)
Quarterly Financial Information Disclosure [Abstract]
Provisional Deferred Income Taxes	$ 15.0

Amount of deferred income tax expense (benefit) and income tax credits.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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