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ACQUISITIONS - Narrative (Details) $ in Millions		2 Months Ended	3 Months Ended	6 Months Ended
ACQUISITIONS - Narrative (Details) $ in Millions	Feb. 18, 2022 USD ($)	Mar. 31, 2022 USD ($)	Apr. 03, 2022 USD ($)	Apr. 03, 2022 USD ($)	Sep. 30, 2021 USD ($)
Business Acquisition [Line Items]
Goodwill			$ 967.0	$ 967.0	$ 867.2
Contingent consideration, current			25.0	25.0
Contingent consideration, noncurrent			5.0	5.0
TSAs
Business Acquisition [Line Items]
Revenue			0.5	$ 0.5
Tristar
Business Acquisition [Line Items]
Total purchase price	$ 305.5	$ 325.0
Trademark license, total potential renewal period				3 years
Goodwill	103.7
Contingent consideration	$ 30.0
Tristar \| Minimum
Business Acquisition [Line Items]
Accrued royalties, annual payments				$ 1.5
Tristar \| Maximum
Business Acquisition [Line Items]
Accrued royalties, annual payments				1.8
Tristar \| Affiliated Entity
Business Acquisition [Line Items]
Due to related parties			$ 0.7	$ 0.7
Tristar \| Tradenames \| Measurement Input, Royalty Rate \| Valuation, Income Approach
Business Acquisition [Line Items]
Intangible asset, measurement input	0.03
Tristar \| Tradenames \| Measurement Input, Discount Rate \| Valuation Technique, Discounted Cash Flow
Business Acquisition [Line Items]
Intangible asset, measurement input	0.16
Tristar \| Customer relationships
Business Acquisition [Line Items]
Growth rate	0.027
Tristar \| Customer relationships \| Measurement Input, Discount Rate \| Valuation Technique, Discounted Cash Flow
Business Acquisition [Line Items]
Intangible asset, measurement input	0.12
Tristar \| Customer relationships \| Measurement Input, Attrition Rate \| Valuation Technique, Discounted Cash Flow
Business Acquisition [Line Items]
Intangible asset, measurement input	0.05
Tristar \| Gross Profit Target Achieved Year 2022
Business Acquisition [Line Items]
Contingent consideration		100.0
Tristar \| Gross Profit Target Achieved Year 2023
Business Acquisition [Line Items]
Contingent consideration		$ 25.0