Finite-Lived Intangible Assets, Increase In Annual Amortization

No definition available.

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- Definition

Indefinite-Lived Intangible Assets (Excluding Goodwill), Measurement Input

+ References

No definition available.

+ Details

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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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 926
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483154/926-20-50-5

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-3

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-2

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Goodwill and intangible assets - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 652.6		$ 652.6		$ 762.8
Impairment of intangible assets	110.6	$ 0.0	110.6	$ 0.0
Trade names \| Rayovac
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	337.0		$ 337.0
Impairment of intangible assets	$ 85.2
Trade names \| Rayovac \| Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Intangible assets, measurement input, percent	0.115		0.115
Trade names \| Varta
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 11.6		$ 11.6
Impairment of intangible assets	$ 25.4
Amortization period (in years)	15 years		15 years
Increase in annual amortization	$ 0.8		$ 0.8
Trade names \| Varta \| Measurement Input, Discount Rate
Finite-Lived Intangible Assets [Line Items]
Intangible assets, measurement input, percent	0.11		0.11