Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2022

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The changes in the Company's goodwill consisted of the following:

(dollars in millions)	IT Services and Hardware			Network		Total Company
Goodwill, balance as of December 31, 2021	$	157.4		$	488.9	$	646.3
Activity during the year:
Adjustments to prior year Merger		(0.4	)		0.8		0.4
Acquisition of Agile		—			40.9		40.9
Currency translations		(0.5	)		—		(0.5	)
Goodwill, balance as of June 30, 2022	$	156.5		$	530.6	$	687.1

Schedule of Intangible Assets

The Company’s intangible assets consisted of the following:

	June 30, 2022							December 31, 2021
	Gross Carrying		Accumulated			Net		Gross Carrying		Accumulated			Net
(dollars in millions)	Amount		Amortization			Amount		Amount		Amortization			Amount
Intangible assets subject to amortization
Customer relationships	$	863.1	$	(88.0	)	$	775.1	$	850.0	$	(36.2	)	$	813.8
Trade names		110.3		(12.7	)		97.6		108.0		(5.0	)		103.0
Technology		6.0		(0.6	)		5.4		5.0		(0.2	)		4.8
Total		979.4		(101.3	)		878.1		963.0		(41.4	)		921.6
Intangible assets not subject to amortization
FCC licenses and spectrum usage rights		6.8		—			6.8		6.7		—			6.7
Total intangible assets	$	986.2	$	(101.3	)	$	884.9	$	969.7	$	(41.4	)	$	928.3

Schedule of Estimated Useful Lives for Finite-lived Intangible Assets

The estimated useful lives for each finite-lived intangible asset class are as follows:

Customer relationships	15 years
Trade names	3 to 10 years
Technology	7 years

Schedule of Estimated Amortization Expense

The annual estimated amortization expense for future years is as follows:

(dollars in millions)
Six months ended December 31, 2022	$	61.8
2023		115.5
2024		106.2
2025		93.9
2026		86.3
Thereafter		414.4
Total	$	878.1