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Acquisitions and Divestitures - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 14, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Licenses |  | $ 1,650,288 |  | $ 1,650,288 |  | $ 3,289,648
Expenses related to strategic alternatives review |  | 4,100 | $ 1,500 | 6,200 | $ 31,100 |
Gain on sale of business and other exit costs, net |  | (2,844) | 11,733 | 6,032 | 11,733 |
Income tax expense (benefit) |  | 72,772 | 30,656 | 85,119 | 36,795 |
Equity in earnings of unconsolidated entities |  | 69,838 | $ 43,415 | 149,309 | 125,117 |
Distributions from unconsolidated entities |  |  |  | 149,732 | $ 106,458 |
Non-current assets held for sale |  | 1,617,872 |  | 1,617,872 |  | 12
Equity method investments |  |  |  |  |  |
Equity in earnings of unconsolidated entities |  | 34,100 |  |  |  |
Distributions from unconsolidated entities |  |  |  | 42,500 |  |
Call Option |  |  |  |  |  |
Business divestiture agreement amount |  | 86,400 |  | 86,400 |  |
Licenses |  | 86,500 |  | 86,500 |  |
Array | Verizon License Purchase Agreement |  |  |  |  |  |
License sale agreement amount |  |  |  |  |  | 1,000,000
Licenses |  | 588,800 |  | 588,800 |  |
Array | AT&T License Purchase Agreement |  |  |  |  |  |
License sale agreement amount |  |  |  |  |  | 1,018,000
Licenses |  | 861,000 |  | 861,000 |  |
Array | T-Mobile License Purchase Agreement |  |  |  |  |  |
License sale agreement amount |  |  |  |  |  | 85,000
Licenses |  | 64,300 |  | 64,300 |  |
Non-current assets held for sale |  | 53,100 |  | 53,100 |  |
Array | Put/Call Agreement |  |  |  |  |  |
Business divestiture agreement amount |  |  |  |  |  | 106,000
TDS Telecom | Colorado incumbent markets |  |  |  |  |  |
Business divestiture agreement amount |  | 18,500 |  | 18,500 |  |
Gain on sale of business and other exit costs, net |  |  |  | 6,800 |  |
TDS Telecom | Oklahoma incumbent markets |  |  |  |  |  |
Business divestiture agreement amount |  | $ 43,000 |  | 43,000 |  |
Array |  |  |  |  |  |
Gain on sale of business and other exit costs, net |  |  |  | 47,700 |  |
Array | King Street Wireless and Sunshine Spectrum |  |  |  |  |  |
Purchase price | $ 16,700 |  |  |  |  | $ 9,400
Purchase price paid at time of close | $ 7,300 |  |  |  |  |
Income tax expense (benefit) |  |  |  | $ (47,600) |  |

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