Details of Certain Account Balances - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Oct. 31, 2025
Product Information [Line Items]
Trade accounts receivable	$ 136.0		$ 80.5
Trade accounts payable	61.4		47.3
Marketing & Distribution
Product Information [Line Items]
Purchase from noncontrolling interest holder	0.7	$ 0.0
Noncontrolling Interest Holders
Product Information [Line Items]
Trade accounts receivable	4.8		5.1
Trade accounts payable	$ 6.4		$ 5.3

Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483467/210-10-45-8

Name:	us-gaap_AccountsPayableTradeCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant