Intangible Assets, Goodwill and Acquisitions (Tables)

3 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets as of December 31, 2022 and September 30, 2022 consisted of the following:

		December 31, 2022					September 30, 2022
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer relationships	6-21 yrs.	$	724.1	$	(562.2	)	$	723.1	$	(550.5	)
Trademarks	12 yrs.		3.8		(2.7	)		3.8		(2.6	)
Non-compete agreements	5 yrs.		2.7		(2.3	)		2.7		(2.2	)
Total intangible assets		$	730.6	$	(567.2	)	$	729.6	$	(555.3	)

Summary of Goodwill

The following is a summary of the goodwill activity for the periods ended September 30, 2022 and December 31, 2022:

	Maintenance Services		Development Services		Total
Balance, September 30, 2021	$	1,758.0	$	192.8	$	1,950.8
Acquisitions (1)		34.7		23.3		58.0
Balance, September 30, 2022	$	1,792.7	$	216.1	$	2,008.8
Acquisitions (1)		6.2		2.6		8.8
Balance, December 31, 2022	$	1,798.9	$	218.7	$	2,017.6

(1)The acquisitions adjustment includes the immaterial impact of foreign currency adjustments during the period.