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v3.25.4

Segment Information (Schedule Of Segment Reporting Information) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 2,369.0 | $ 2,362.6 | $ 1,784.2
Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses | 1,477.1 | 1,618.5 | 1,440.4
Reimbursable Expenses | 152.6 | 142.4 | 103.2
Cost of Product and Service Sold | 1,629.7 | 1,760.9 | 1,543.6
Loss on impairment | 27.3 | 0.0 | 0.0
General and administrative | 97.1 | 116.3 | 99.3
Income (Loss) from Equity Method Investments | (8.4) | 11.0 | (13.3)
Operating Income (Loss) | 477.0 | 352.3 | 53.5
Property and equipment, net | 2,088.8 | 1,932.9 | 1,633.8
Segment, Expenditure, Addition to Long-Lived Assets | 343.5 | 455.1 | 696.1
Revenues Excluding Reimbursable Revenues | 2,207.9 | 2,211.9 | 1,676.0
Reimbursable Revenues | 161.1 | 150.7 | 108.2
Depreciation | 146.3 | 122.1 | 101.1
Floaters [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 1,260.6 | 1,440.7 | 948.7
Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses | 765.6 | 930.3 | 768.4
Reimbursable Expenses | 34.3 | 54.9 | 43.6
Cost of Product and Service Sold | 799.9 | 985.2 | 812.0
Loss on impairment | 23.6 | 0.0 |
General and administrative | 0.0 | 0.0 | 0.0
Income (Loss) from Equity Method Investments | 0.0 | 0.0 | 0.0
Operating Income (Loss) | 376.6 | 397.4 | 80.9
Property and equipment, net | 1,225.0 | 1,174.2 | 1,035.5
Segment, Expenditure, Addition to Long-Lived Assets | 144.7 | 239.7 | 562.0
Revenues Excluding Reimbursable Revenues | 1,224.1 | 1,382.8 | 902.8
Reimbursable Revenues | 36.5 | 57.9 | 45.9
Depreciation | 60.5 | 58.1 | 55.8
Jackups [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 912.8 | 754.9 | 659.6
Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses | 486.5 | 477.1 | 480.4
Reimbursable Expenses | 83.5 | 64.3 | 37.0
Cost of Product and Service Sold | 570.0 | 541.4 | 517.4
Loss on impairment | 3.7 | 0.0 |
General and administrative | 0.0 | 0.0 | 0.0
Income (Loss) from Equity Method Investments | 0.0 | 0.0 | 0.0
Operating Income (Loss) | 280.5 | 168.5 | 102.2
Property and equipment, net | 630.8 | 575.3 | 480.8
Segment, Expenditure, Addition to Long-Lived Assets | 192.0 | 213.1 | 132.3
Revenues Excluding Reimbursable Revenues | 823.4 | 686.5 | 620.6
Reimbursable Revenues | 89.4 | 68.4 | 39.0
Depreciation | 58.6 | 45.0 | 40.0
ARO | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 571.0 | 512.5 | 496.6
Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses | 360.7 | 367.7 | 365.9
Reimbursable Expenses | 0.0 | 0.0 | 0.0
Cost of Product and Service Sold | 360.7 | 367.7 | 365.9
Loss on impairment | 0.0 | 28.4 |
General and administrative | 28.8 | 23.7 | 22.2
Income (Loss) from Equity Method Investments | 0.0 | 0.0 | 0.0
Operating Income (Loss) | 66.6 | 3.5 | 42.6
Property and equipment, net | 1,236.7 | 1,253.1 | 1,036.6
Segment, Expenditure, Addition to Long-Lived Assets | 95.6 | 285.0 | 300.8
Revenues Excluding Reimbursable Revenues | 571.0 | 512.5 | 496.6
Reimbursable Revenues | 0.0 | 0.0 | 0.0
Depreciation | 114.9 | 89.2 | 65.9
Other [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 195.6 | 167.0 | 175.9
Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses | 70.6 | 63.6 | 52.6
Reimbursable Expenses | 34.8 | 23.2 | 22.6
Cost of Product and Service Sold | 105.4 | 86.8 | 75.2
Loss on impairment | 0.0 | 0.0 |
General and administrative | 0.0 | 0.0 | 0.0
Income (Loss) from Equity Method Investments | 0.0 | 0.0 | 0.0
Operating Income (Loss) | 77.0 | 70.7 | 95.7
Property and equipment, net | 174.2 | 132.8 | 52.1
Segment, Expenditure, Addition to Long-Lived Assets | 0.0 | 0.0 | 0.0
Revenues Excluding Reimbursable Revenues | 160.4 | 142.6 | 152.6
Reimbursable Revenues | 35.2 | 24.4 | 23.3
Depreciation | 13.2 | 9.5 | 5.0
Reconciling Items [Member] | Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | (571.0) | (512.5) | (496.6)
Contract Drilling Expenses Exclusive of Depreciation and Reimbursable Expenses | (206.3) | (220.2) | (226.9)
Reimbursable Expenses | 0.0 | 0.0 | 0.0
Cost of Product and Service Sold | (206.3) | (220.2) | (226.9)
Loss on impairment | 0.0 | (28.4) |
General and administrative | 68.3 | 92.6 | 77.1
Income (Loss) from Equity Method Investments | (8.4) | 11.0 | (13.3)
Operating Income (Loss) | (323.7) | (287.8) | (267.9)
Property and equipment, net | (1,177.9) | (1,202.5) | (971.2)
Segment, Expenditure, Addition to Long-Lived Assets | (88.8) | (282.7) | (299.0)
Revenues Excluding Reimbursable Revenues | (571.0) | (512.5) | (496.6)
Reimbursable Revenues | 0.0 | 0.0 | 0.0
Depreciation | $ (100.9) | $ (79.7) | $ (65.6)

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