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Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 29, 2016
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ 2.6	$ 2.7	$ 4.2
Additions (reductions) for tax positions in prior year	0.3	0.1	(1.5)
Additions for tax positions in current year	0.3	0.1	0.2
Cash settlements with taxing authorities	(0.2)
Statute of limitations	(0.9)	(0.3)	(0.2)
Balance at end of year	$ 2.1	$ 2.6	$ 2.7

X

- Definition

Unrecognized Tax Benefits Increases Decreases Resulting From Prior Period Tax Positions

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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