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v3.24.3

Commitments and Contingencies (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2024 | Aug. 16, 2024 | Mar. 31, 2018
Loss Contingencies [Line Items] |  |  |  |
Accrued liability related to obligation |  | $ 5.8 |  |
Discontinued Operations | Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimated amount of potential loss liability | $ 5.8 | 5.8 |  |
Discontinued Operations | Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimated amount of potential loss liability | 19.4 | 19.4 |  |
Surety Bond | Maritech |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimated amount of potential loss liability |  |  | $ 10.7 |
Bond proceeds | 3.9 |  |  |
Discontinued Operations, Disposed of by Sale | Offshore Division | Initial Bonds |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Aggregate amount of performance bonds |  |  |  | $ 46.8
Discontinued Operations, Disposed of by Sale | Offshore Division | Interim Replacement Bonds |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Aggregate amount of performance bonds |  |  |  | $ 47.0
Supply Agreements |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Purchase obligation | 69.5 | 69.5 |  |
Purchase obligation, remainder of 2024 | 3.3 | 3.3 |  |
Purchase obligation, 2025 | 26.1 | 26.1 |  |
Purchase obligation, 2026 | 22.3 | 22.3 |  |
Purchase obligation, 2027 | 15.5 | 15.5 |  |
Purchase obligation, 2028 | 2.3 | 2.3 |  |
Long-lead Infrastructure |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Purchase obligation | $ 5.6 | $ 5.6 |  |

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