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RESTRUCTURING CHARGES - Reconciliation of Beginning and Ended Restructuring Reserve Balances (Details) - USD ($) $ in Millions | 11 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Oct. 31, 2024
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, beginning balance | $ 4.9 | $ 16.8
Costs incurred and charged to expense | 40.3 | 5.4
Costs paid or otherwise settled | (23.5) | (17.3)
Restructuring reserve, ending balance | 21.7 | 4.9
Employee Separation Costs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, beginning balance | 4.8 | 16.4
Costs incurred and charged to expense | 28.2 | (1.4)
Costs paid or otherwise settled | (11.7) | (10.2)
Restructuring reserve, ending balance | 21.3 | 4.8
Other Costs |  |
Restructuring Reserve [Roll Forward] |  |
Restructuring reserve, beginning balance | 0.1 | 0.4
Costs incurred and charged to expense | 12.1 | 6.8
Costs paid or otherwise settled | (11.8) | (7.1)
Restructuring reserve, ending balance | $ 0.4 | $ 0.1

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- Definition Restructuring reserve settled with cash or otherwise settled. + References No definition available. + Details
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Details
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