Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2022	Oct. 31, 2021
Deferred tax assets:
Accounts receivable	$ 4.9	$ 3.4
Inventories	6.3	6.1
Accrued liabilities, reserves and compensation accruals	79.9	78.1
Foreign deferred tax assets	2,500.5	2,531.5
Share-based compensation	14.5	28.6
Net operating loss and tax credit carryforwards	19.6	19.3
Intangible assets	0.0	6.8
Capitalized research and experimental expenses	15.4	13.5
Total gross deferred tax assets	2,641.1	2,687.3
Less: valuation allowance	(60.1)	(51.8)
Deferred tax assets	2,581.0	2,635.5
Deferred tax liabilities:
Tax deductible goodwill	(39.7)	(34.0)
Intangible assets	(153.8)	0.0
Plant and equipment	(48.8)	(46.5)
Foreign deferred tax liabilities	(45.5)	(32.5)
Total gross deferred tax liabilities	(287.8)	(113.0)
Net deferred tax assets	$ 2,293.2	$ 2,522.5