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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

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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