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FAIR VALUE OF FINANCIAL INSTRUMENTS - Narrative (Details) - Common Stock - Energizer - USD ($) shares in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2022
Fair Value Of Financial Instruments [Line Items] |  |  |
Stock consideration, including discontinued operations (in shares) | 1.7 |  |
Cash proceeds, stock consideration | $ 73.1 | $ 147.1 |
Stock consideration (in shares) |  | 3.6 |
Shares of common stock held (in shares) |  |  | 0.0

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