Income Taxes - Additional Deferred Income Tax Information (Details) - USD ($) $ in Millions	Oct. 28, 2018	Oct. 29, 2017
Additional Deferred Income Tax Information
Tax loss and tax credit carryforwards	$ 33.6	$ 29.5
Tax loss and tax credit carryforwards, expiring from 2019 through 2038	28.2
Tax loss and tax credit carryforwards with an indefinite carryforward period	$ 5.4

Amount before allocation of valuation allowances of deferred tax asset attributable to tax loss and tax credit carryforwards with indefinite carryforward period.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant