Goodwill and Identifiable Assets

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Identifiable Intangible Assets

The following table summarizes the activity related to the carrying amount of goodwill by reportable segment since December 31, 2019 (in millions). See Note 15. Segment Reporting for more information on the change in the Company's reportable segments.

	Commercial		Federal Government		Total
Balance as of December 31, 2019	$	738.4	$	552.9	$	1,291.3
2020 acquisitions	40.3		89.2		129.5
Translation adjustment	(0.1)		—		(0.1)
Balance as of December 31, 2020	778.6		642.1		1,420.7
2021 acquisitions	51.1		94.8		145.9
Purchase price adjustment	—		3.3		3.3
Translation adjustment	(0.4)		—		(0.4)
Balance as of December 31, 2021	$	829.3	$	740.2	$	1,569.5

___________________

Approximately $127.2 million and $77.1 million of the goodwill for the 2021 and 2020 acquisitions, respectively, is deductible for income tax purposes.

Acquired intangible assets consisted of the following (in millions):

		December 31, 2021						December 31, 2020
	Estimated Useful Life (in years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Subject to amortization:
Customer and contractual relationships	7 - 13	$	493.9	$	260.2	$	233.7	$	428.0	$	211.3	$	216.7
Contractor relationships	4	45.5		45.5		—		45.5		45.3		0.2
Contract Backlog	1 - 3	34.8		31.0		3.8		29.3		28.5		0.8
Non-compete agreements	1 - 7	29.4		21.6		7.8		27.0		17.4		9.6
		603.6		358.3		245.3		529.8		302.5		227.3
Not subject to amortization:
Trademarks		242.6		—		242.6		242.6		—		242.6
		$	846.2	$	358.3	$	487.9	$	772.4	$	302.5	$	469.9

Estimated future amortization expense is as follows (in millions):

2022	54.4
2023	44.5
2024	35.2
2025	28.7
2026	25.1
Thereafter	57.4
	$	245.3