Intangible Assets, net (Tables)

3 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Total intangible assets

	December 31, 2020						September 30, 2020
	Carrying Amount		Accumulated Amortization		Net Amount		Carrying Amount		Accumulated Amortization		Net Amount
Customer relationships	$	209.4	$	(80.0)	$	129.4	$	209.4	$	(76.9)	$	132.5
Trademarks and brands	213.4		(74.4)		139.0		213.4		(71.6)		141.8
Other intangible assets	3.1		(3.1)		—		3.1		(3.1)		—
Intangible assets, net	$	425.9	$	(157.5)	$	268.4	$	425.9	$	(151.6)	$	274.3