Other Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Impairment charge	$ 1.0	$ 12.8	$ 11.5
Useful life (in years)	5 years
Amortization expense for intangibles	$ 27.0	34.1	34.5
Intangible asset, expected amortization, year one	24.0
Intangible asset, expected amortization, year two	24.0
Intangible asset, expected amortization, year three	24.0
Intangible asset, expected amortization, year four	22.0
Intangible asset, expected amortization, year five	22.0
Pet Products Segment
Finite-Lived Intangible Assets [Line Items]
Impairment charge	$ 1.0	12.8	7.5
Garden Products Segment
Finite-Lived Intangible Assets [Line Items]
Impairment charge			$ 3.9
Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	5 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	25 years
Marketing-Related Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, net		17.7
Marketing-Related Intangible Assets | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	8 years
Customer-Related Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, net		$ 5.3
Customer-Related Intangible Assets | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	10 years
Other Acquired Intangible Assets | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	7 years