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v3.23.3

Revenue from Contracts with Customers (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
EarlyTerminationFeeReceived | $ 51.0 |  |  |  |  |
Capitalized Contract Cost, Net |  | $ 102.8 |  | $ 102.8 |  |
Upfront Rig Mobilizations And Certain Contract Preparation [Member] |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
Capitalized Contract Cost, Net |  | 84.9 |  | 84.9 |  | $ 57.3
Capitalized Contract Cost, Amortization |  | 25.0 | $ 18.8 | 62.7 | $ 41.0 |
Deferred Certification Costs |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
Capitalized Contract Cost, Net |  | 17.9 |  | 17.9 |  | $ 16.2
Capitalized Contract Cost, Amortization |  | $ 3.2 | $ 1.4 | $ 9.4 | $ 2.5 |
Minimum |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
Remaining duration of drilling contracts |  |  |  | 1 month |  |
Maximum |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |
Remaining duration of drilling contracts |  |  |  | 5 years |  |

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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-3 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-3 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-3 + Details
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