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INCOME TAXES - Provision (Benefit) For Income Taxes Allocated to Continuing Operation (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Current:
Federal	$ (5.4)	$ 2.4	$ 3.7
State	2.5	2.5	0.6
Foreign	2.6	(5.3)	1.6
Total Current	(0.3)	(0.4)	5.9
Deferred:
Federal	60.3	11.6	(62.1)
State	10.1	(3.8)	(5.2)
Foreign	6.4	3.9	(11.8)
Total Deferred	76.8	11.7	(79.1)
Provision (benefit) for income taxes	$ 76.5	$ 11.3	$ (73.2)

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The component of total income tax expense representing the non-current liability for the estimated amount of income tax expected to be assessed in the future as a result of the reversal of timing differences.

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