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LEASES - Lease Assets and Liabilities (Details) - USD ($) $ in Millions | Jul. 31, 2020 | Oct. 31, 2019
--- | --- | ---
Leases [Abstract] |  |
Operating lease assets | $ 318.1 | $ 0.0
Finance lease assets | 5.0 |
Total lease assets | 323.1 |
Current portion of operating lease liabilities | 53.2 | 0.0
Current finance lease liabilities | 1.8 |
Total current lease liabilities | 55.0 |
Operating lease liabilities | 267.5 | $ 0.0
Non-current finance lease liabilities | 3.2 |
Total non-current lease liabilities | 270.7 |
Total lease liabilities | $ 325.7 |

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- Definition Lease, Liability + References No definition available. + Details
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- Definition Lease, Liability, Current + References No definition available. + Details
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- Definition Lease, Liability, Noncurrent + References No definition available. + Details
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- Definition Right-of-Use Asset + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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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=121603541&loc=SL77918627-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. + 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=121603541&loc=SL77918627-209977 + Details
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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + 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 (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating 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=121603541&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + 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 (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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