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WARRANTY, COMMITMENTS AND CONTINGENCIES STANDARD WARRANTY - CHANGE IN ACCOUNTING ESTIMATE (Details) $ in Millions	9 Months Ended
	Jul. 31, 2016 USD ($)
Change in Accounting Estimate [Line Items]
Standard Product Warranty Accrual, Period Increase (Decrease)	$ (5)
Warranty Reserves [Member]
Change in Accounting Estimate [Line Items]
Change in Accounting Estimate, Description	During the nine months ended July 31 2016, we reduced the standard warranty accrual by $5 million as a result of lower than expected historical warranty charges. This benefit was recognized in the three and nine months ended July 31, 2016 in the condensed consolidated statement of operations.

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- Definition

Describes the specific accounting estimate that was revised, including the nature of and justification for the revision.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 45
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e777-108305

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=56949863&loc=d3e22595-107794

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- Definition

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.

+ References

No definition available.

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- Definition

Total increases or decreases in the standard product warranty liability for the period. Does not include increases or decreases in an extended warranty liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249

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