Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

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


	Successor
(dollars in millions)	IT Services and Hardware		Network		Total Company
Goodwill, balance as of September 8, 2021 (remeasured upon merger)	$	—	$	—	$	—
Activity during the year
Merger		157.4		488.9		646.3
Goodwill, balance as of December 31, 2021	$	157.4	$	488.9	$	646.3


	Predecessor
(dollars in millions)	IT Services and Hardware		Network		Total Company
Goodwill, balance as of December 31, 2019	$	148.1	$	12.4	$	160.5
Activity during the year
Currency translations		1.0		—		1.0
Goodwill, balance as of December 31, 2020		149.1		12.4		161.5
Activity during the year
Currency translations		0.7		—		0.7
Goodwill, balance as of September 7, 2021	$	149.8	$	12.4	$	162.2

The Company’s intangible assets consisted of the following:

	Successor							Predecessor
	December 31, 2021							December 31, 2020
	Gross							Gross
	Carrying		Accumulated			Net		Carrying		Accumulated			Net
(dollars in millions)	Amount		Amortization			Amount		Amount		Amortization			Amount
Intangible assets subject to amortization
Customer relationships	$	850.0	$	(36.2	)	$	813.8	$	141.6	$	(38.9	)	$	102.7
Trade names		108.0		(5.0	)		103.0		41.7		(9.4	)		32.3
Technology		5.0		(0.2	)		4.8		9.9		(3.2	)		6.7
Total		963.0		(41.4	)		921.6		193.2		(51.5	)		141.7
Intangible assets not subject to amortization
FCC licenses and spectrum usage rights		6.7		—			6.7		6.4		—			6.4
Total intangible assets	$	969.7	$	(41.4	)	$	928.3	$	199.6	$	(51.5	)	$	148.1

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

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