Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

+ Details

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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Summary of Significant Unobservable Inputs Used to Determine Fair Value Long-Lived Assets Held and Used (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Non-cash asset impairment charges	$ 0.8	$ 2.0	$ 4.1	$ 5.9
Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Non-cash asset impairment charges			4.1	5.9
Level 3 \| Discounted Cash Flows \| Land and Building
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impairment of Net Assets Held for Sale			0.4
Level 3 \| Discounted Cash Flows \| Machinery and Equipment
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impairment of Long Lived Assets			$ 3.7
Level 3 \| Sales Value \| Machinery and Equipment
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impairment of Long Lived Assets				0.3
Level 3 \| Broker Quote/ Indicative Bids \| Land and Building
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Impairment of Net Assets Held for Sale				$ 5.6