GOODWILL AND INTANGIBLES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Intangible Assets [Line Items]
Impairment of goodwill	$ 0.0	$ 111.1	$ 0.0
Impairment of intangible assets	45.2	120.7	0.0
Amortization of intangible assets	44.5	42.3	$ 50.3
H&G
Intangible Assets [Line Items]
Impairment of intangible assets	39.0
HPC
Intangible Assets [Line Items]
Impairment of goodwill		111.1
Impairment of intangible assets	4.0
GPC
Intangible Assets [Line Items]
Impairment of goodwill		0.0
Impairment of intangible assets	$ 2.2
Tradenames
Intangible Assets [Line Items]
Impairment of intangible assets		56.0
Trade Names, Power XL
Intangible Assets [Line Items]
Impairment of intangible assets		45.0
Trade Names, George Foreman
Intangible Assets [Line Items]
Impairment of intangible assets		$ 19.7