Income Taxes - Schedule of Tax Effects of Temporary Differences that Give Rise to Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2019	Oct. 31, 2018
Deferred tax assets:
Accounts receivable, principally due to allowances for doubtful accounts	$ 3.6	$ 4.0
Inventories	3.5	3.8
Litigation settlements	0.1	0.2
Accrued liabilities, reserves and compensation accruals	55.1	38.8
Foreign deferred tax assets	52.5	51.8
Restricted stock and stock option expenses	26.1	25.6
Net operating loss carryforwards	8.3	6.7
Intangible assets	11.1	3.1
Research and experimental expenses - Section 59(e)	2.5	2.5
Tax credit carryforwards	1.3	1.3
Total gross deferred tax assets	164.1	137.8
Less valuation allowance	(41.5)	(39.1)
Deferred tax assets	122.6	98.7
Deferred tax liabilities:
Tax deductible goodwill	(25.0)	(22.4)
Plant and equipment	(14.3)	(8.2)
Deferred tax on foreign earnings	(5.9)	(8.9)
Transaction costs	0.7	0.5
Foreign deferred tax liabilities	(27.6)	(31.3)
Total gross deferred tax liabilities	(73.5)	(71.3)
Net deferred tax assets	$ 49.1	$ 27.4