v3.26.1
Goodwill and Intangibles, Net (Tables)
 12 Months Ended
Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of the Changes in the Carrying Amount of Goodwill by Reporting Unit
The carrying amounts of goodwill by segment were as follows (in millions):
 
Infrastructure
SpectrumTotal
Balance at December 31, 2023
$105.7 $21.4 $127.1 
Translation adjustments
(0.4)— (0.4)
Balance as of December 31, 2024
$105.3 $21.4 $126.7 
Translation adjustments
0.3 — 0.3 
Balance as of December 31, 2025
$105.6 $21.4 $127.0 
Schedule of Indefinite-Lived Intangible Assets
The carrying amounts of indefinite-lived intangible assets were as follows (in millions):
December 31,
20252024
Federal Communications Commission ("FCC") licenses
$107.9 $107.7 
Total$107.9 $107.7 
Schedule of Intangible Assets Subject to Amortization
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 LifeDecember 31, 2025
Gross Carrying AmountAccumulated AmortizationNet
Trade names15 years$25.2 $(12.6)$12.6 
Customer relationships and contracts11 years87.6 (54.3)33.3 
Channel sharing arrangements35 years12.6 (2.5)10.1 
Other10 years3.6 (2.3)1.3 
Total$129.0 $(71.7)$57.3 

Weighted-Average Original Useful LifeDecember 31, 2024
Gross Carrying AmountAccumulated AmortizationNet
Trade names15 years$25.1 $(11.0)$14.1 
Customer relationships and contracts11 years87.4 (49.1)38.3 
Channel sharing arrangements35 years12.6 (2.2)10.4 
Other10 years3.9 (2.0)1.9 
Total$129.0 $(64.3)$64.7 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Future estimated annual amortization expense for intangible assets as of December 31, 2025, is as follows (in millions):
Estimated Amortization
2026
$6.7 
20274.9 
20284.9 
20294.7 
20304.5 
Thereafter31.6 
Total$57.3