Goodwill and Identifiable Assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

The following table summarizes the activity related to the carrying amount of goodwill by reportable segment since December 31, 2019 (in millions). See Note 9. 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	49.5		88.9		138.4
Purchase price adjustments	—		3.5		3.5



Balance as of September 30, 2021	$	828.1	$	734.5	$	1,562.6

___________________

Approximately $125.1 million and $77.1 million of the goodwill for the 2021 and 2020 acquisitions,respectively, is deductible for income tax purposes.

Schedule of Acquired Intangible Assets

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


		September 30, 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
Customer and contractual relationships	7 - 13	$	499.0	$	246.5	$	252.5	$	428.0	$	211.3	$	216.7
Contractor relationships	4	45.5		45.5		—		45.5		45.3		0.2
Contract Backlog	1 - 3	35.4		29.9		5.5		29.3		28.5		0.8
Non-compete agreements	1 - 7	29.9		20.6		9.3		27.0		17.4		9.6

		609.8		342.5		267.3		529.8		302.5		227.3
Not subject to amortization:
Trademarks		242.6		—		242.6		242.6		—		242.6
Total		$	852.4	$	342.5	$	509.9	$	772.4	$	302.5	$	469.9

Schedule of Estimated Future Amortization Expense

Estimated future amortization expense follows (in millions):


Remainder of 2021	$	16.6
2022	55.6
2023	45.4
2024	35.9
2025	29.2
Thereafter	84.6
	$	267.3