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DISCONTINUED OPERATIONS - Results of Discontinued Operations (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Discontinued Operations and Disposal Groups [Abstract] |  |  |
Operating and exit costs | $ 0.0 | $ 0.0 | $ 1.3
Impairment, restructuring and other charges (recoveries) | 0.0 | 0.0 | (3.1)
Write-down of contingent consideration receivable | 0.0 | 12.2 | 0.0
Income (loss) from discontinued operations before income taxes | 0.0 | (12.2) | 1.8
Income tax expense (benefit) from discontinued operations | 0.0 | (8.3) | 0.1
Income (loss) from discontinued operations, net of tax | $ 0.0 | $ (3.9) | $ 1.7

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- Definition Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructuring pursuant to an authorized plan, excluding asset retirement obligations along with other related charges. These charges are recorded within the results from discontinued operations. + References No definition available. + Details
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