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INCOME TAXES - Provision (Benefit) For Income Taxes Allocated to Continuing Operation (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Current:
Federal	$ 3.7	$ 22.8	$ 113.7
State	0.6	9.3	31.6
Foreign	1.6	8.7	2.7
Total Current	5.9	40.8	148.0
Deferred:
Federal	(62.1)	(125.5)	9.1
State	(5.2)	(23.3)	1.5
Foreign	(11.8)	(12.6)	1.2
Total Deferred	(79.1)	(161.4)	11.8
Provision (benefit) for income taxes	$ (73.2)	$ (120.6)	$ 159.8

X

- Definition

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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