Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Oct. 31, 2021	Oct. 31, 2020
Lease assets
Operating leases	$ 126.5	$ 143.1
Finance leases	3.7	6.1
Total lease assets	$ 130.2	$ 149.2
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net of accumulated depreciation of $274.7 and $241.3 at October 31, 2021 and 2020, respectively	Property, plant and equipment, net of accumulated depreciation of $274.7 and $241.3 at October 31, 2021 and 2020, respectively
Current liabilities
Operating leases	$ 31.8	$ 35.0
Finance leases	$ 0.4	$ 2.3
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Noncurrent liabilities
Operating leases	$ 116.6	$ 131.4
Finance leases	$ 2.0	$ 2.8
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other noncurrent liabilities	Other noncurrent liabilities
Total lease liabilities	$ 150.8	$ 171.4
Less: Accumulated depreciation	$ 16.3	$ 13.6