Goodwill and Intangibles, Net

3 Months Ended

Mar. 31, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

8. Goodwill and Intangibles, Net

Goodwill

The carrying amounts of goodwill by segment were as follows (in millions):


	Infrastructure		Spectrum		Total



Balance at December 31, 2023	$	105.7	$	21.4	$	127.1




Translation	(0.2)		—		(0.2)
Balance as of March 31, 2024	$	105.5	$	21.4	$	126.9

Indefinite-lived Intangible Assets

The carrying amounts of indefinite-lived intangible assets were as follows (in millions):


	March 31, 2024		December 31, 2023

FCC licenses	$	106.3	$	106.3

Total	$	106.3	$	106.3

There were no impairment charges recorded to definite lived intangible assets for the three months ended March 31, 2024 and 2023.

Definite Lived Intangible Assets

The gross carrying amounts and accumulated amortization of definite lived intangible assets by major intangible asset class were as follows (in millions):


	Weighted-Average Original Useful Life	March 31, 2024							December 31, 2023
		Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Trade names	15 years	$	25.1		$	(9.7)	$	15.4	$	25.2		$	(9.4)	$	15.8
Customer relationships and contracts	11 years	87.5			(45.3)		42.2		87.6			(44.2)		43.4
Channel sharing arrangements	35 years	12.6			(1.9)		10.7		12.6			(1.8)		10.8
Other	12 years	3.9			(1.4)		2.5		3.9			(1.3)		2.6
Total		$	129.1		$	(58.3)	$	70.8	$	129.3		$	(56.7)	$	72.6

There were no impairment charges recorded to definite lived intangible assets for the three months ended March 31, 2024 and 2023.

Amortization expense for definite lived intangible assets was $1.9 million and $3.9 million for the three months ended March 31, 2024 and 2023, respectively, and was included in Depreciation and amortization in the Condensed Consolidated Statements of Operations.