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.

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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

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

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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

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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://www.xbrl.org/2003/role/exampleRef
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Goodwill and intangible assets - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	$ 640.9		$ 640.9		$ 641.6
Impairment of intangible assets	$ 0.0	$ 110.6	$ 0.0	$ 110.6
Trade Names \| Rayovac
Indefinite-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
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill), measurement input		0.115		0.115
Trade Names \| Varta
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets		$ 11.6		$ 11.6
Impairment of intangible assets		$ 25.4
Finite-lived intangible asset, useful life (in years)		15 years		15 years
Finite-lived intangible asset, increase in annual amortization		$ 0.8		$ 0.8
Trade Names \| Varta \| Measurement Input, Discount Rate
Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets (excluding goodwill), measurement input		0.11		0.11