Intangible Assets, net (Tables)

9 Months Ended

Jun. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Total Intangible Assets


			June 30, 2024																		September 30, 2023
			Carrying Amount						Accumulated Amortization						Net Amount						Carrying Amount						Accumulated Amortization						Net Amount
Subject to amortization:
Customer relationships			$	2,622.9					$	(1,045.8)					$	1,577.1					$	2,535.5					$	(940.7)					$	1,594.8
Trademarks, brands and licensing agreements			886.1						(336.2)						549.9						885.8						(301.3)						584.5


			3,509.0						(1,382.0)						2,127.0						3,421.3						(1,242.0)						2,179.3
Not subject to amortization:
Trademarks and brands			1,042.0						—						1,042.0						1,033.1						—						1,033.1
			$	4,551.0					$	(1,382.0)					$	3,169.0					$	4,454.4					$	(1,242.0)					$	3,212.4