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v3.25.1

Revenue and Contracts in Process - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Jan. 01, 2024
Revenue from External Customer [Line Items] |  |  |  |
Accounts receivable, net, contracts with customers |  |  |  | $ 273.2
Contract assets | $ 135.3 |  | $ 106.3 |
Contract liabilities | 95.3 |  | $ 109.1 |
Infrastructure |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Contract assets |  |  |  | 118.6
Contract liabilities |  |  |  | $ 153.5
Contract assets, increase due to new projects | 74.6 | $ 15.7 |  |
Contract assets, reclassified to receivables | 45.6 | 52.1 |  |
Contract liabilities, increase due to new projects | 54.0 | 62.9 |  |
Contract liabilities, revenue recognized | 67.8 | $ 91.0 |  |
Remaining performance obligation amount | $ 1,357.8 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01 | Infrastructure | Within One Year |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Remaining performance obligation period | 1 year |  |  |
Remaining performance obligation amount | $ 1,058.6 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01 | Infrastructure | Within Three Years |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Remaining performance obligation period | 5 years |  |  |
Remaining performance obligation amount | $ 299.2 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01 | Spectrum | Broadcast station |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Remaining performance obligation amount | $ 14.6 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01 | Spectrum | Broadcast station | Within One Year |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Remaining performance obligation period | 1 year |  |  |
Remaining performance obligation amount | $ 8.8 |  |  |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01 | Spectrum | Broadcast station | Within Three Years |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Remaining performance obligation period | 3 years |  |  |
Remaining performance obligation amount | $ 5.8 |  |  |
DBMG | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-01 | Infrastructure |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Remaining performance obligation period | 2 years |  |  |

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