General (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
		Apr. 30, 2019	Apr. 30, 2019	Nov. 01, 2018		Nov. 01, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect, decrease to retained earnings				$ 13.3	[1]	$ (4.8)
Factoring fees associated with sale of factored receivables		$ 0.5	$ 0.9
Accounting Standards Update 2016-16 | Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect, decrease to retained earnings	[1]			$ 13.3

[1] We adopted ASU 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory in the first quarter of fiscal 2019. Refer to “Note 1. General" for further information.