OTHER INFORMATION - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	6 Months Ended
Apr. 30, 2017	Apr. 30, 2016
Condensed Cash Flow Statements, Captions [Line Items]
Increase in capital lease obligations	$ 1.0	$ 0.0
Assumption of earnout liability from the Partnership
Condensed Cash Flow Statements, Captions [Line Items]
Assumption of earnout liability from the Partnership	0.0	36.0
Treasury stock purchases to satisfy certain tax withholdings
Condensed Cash Flow Statements, Captions [Line Items]
Assumption of earnout liability from the Partnership	$ 0.1	$ 0.0

The value of the noncash (or part noncash) consideration given (for example, liability, equity) in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration