Intangible Assets, net (Tables)

6 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Total intangible assets


			March 31, 2025																		September 30, 2024
			Carrying Amount						Accumulated Amortization						Net Amount						Carrying Amount						Accumulated Amortization						Net Amount

Customer relationships			$	160.7					$	(99.0)					$	61.7					$	160.7					$	(94.6)					$	66.1
Trademarks and brands			164.4						(92.7)						71.7						164.4						(88.7)						75.7
Other intangible assets			3.1						(3.1)						—						3.1						(3.1)						—
Intangible assets, net			$	328.2					$	(194.8)					$	133.4					$	328.2					$	(186.4)					$	141.8