SEGMENT INFORMATION - Schedule of Net Sales by Geographic Area (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 2,963.9	$ 2,918.8	$ 3,132.5
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,715.8	1,722.4	1,901.6
Europe/MEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	885.2	830.7	820.0
Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	211.8	206.8	243.3
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	99.4	106.6	108.5
North America - Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 51.7	$ 52.3	$ 59.1