Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Oct. 31, 2018	Oct. 31, 2017
Deferred tax assets:
Accounts receivable, principally due to allowances for doubtful accounts	$ 4.0	$ 5.4
Inventories	3.8	6.1
Litigation settlements	0.2	0.8
Accrued liabilities, reserves and compensation accruals	38.8	50.4
Foreign deferred tax assets(1)	51.8	65.0
Restricted stock and stock option expenses	25.6	39.7
Net operating loss carryforwards	6.7	3.7
Intangible assets	3.1	0.0
Research and experimental expenses - Section 59(e)	2.5	5.1
Tax credit carryforwards	1.3	8.7
Total gross deferred tax assets	137.8	184.9
Less valuation allowance	(39.1)	(59.1)
Deferred tax assets	98.7	125.8
Deferred tax liabilities:
Tax deductible goodwill	(22.4)	(32.4)
Plant and equipment	(8.2)	(4.8)
Deferred tax on foreign earnings	(8.9)	0.0
Transaction costs	(0.5)	(1.1)
Foreign deferred tax liabilities(1)	(31.3)	(40.1)
Other intangible assets	0.0	(25.9)
Total gross deferred tax liabilities	(71.3)	(104.3)
Net deferred tax assets	$ 27.4	$ 21.5