Derivative Financial Instruments and Hedging (Gain) Loss recognized in Statement of Operations from derivative instruments (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Commodity and energy contracts
Derivative Instruments, (Gain) Loss
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of goods sold	Cost of goods sold
Foreign Exchange Contract - Forward Contracts
Derivative Instruments, (Gain) Loss
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, general and administrative expenses	Selling, general and administrative expenses
Derivatives Not Designated as Hedging Instruments \| Commodity and energy contracts
Derivative Instruments, (Gain) Loss
(Gain) Loss Recognized in Statement of Operations	$ 0.8	$ 9.1
Derivatives Not Designated as Hedging Instruments \| Foreign Exchange Contract - Forward Contracts
Derivative Instruments, (Gain) Loss
(Gain) Loss Recognized in Statement of Operations	(2.3)	0.0
Derivatives Not Designated as Hedging Instruments \| Interest Rate Swap
Derivative Instruments, (Gain) Loss
(Gain) Loss Recognized in Statement of Operations	$ (15.4)	$ 21.1

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E

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