Intangible Assets, net (Tables)

9 Months Ended

Jun. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Total intangible assets

	June 30, 2022						September 30, 2021
	Carrying Amount		Accumulated Amortization		Net Amount		Carrying Amount		Accumulated Amortization		Net Amount
Customer relationships	$	178.5	$	(82.6)	$	95.9	$	178.6	$	(75.3)	$	103.3
Trademarks and brands	195.1		(82.7)		112.4		195.1		(75.3)		119.8
Other intangible assets	3.1		(3.1)		—		3.1		(3.1)		—
Intangible assets, net	$	376.7	$	(168.4)	$	208.3	$	376.8	$	(153.7)	$	223.1