INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Tax Disclosure [Abstract]
Income tax expense	$ 17.9	$ 10.0	$ 82.7	$ 36.8
Period increase			45.9
Onshoring of intangible assets			$ 49.3