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Revenue from Contracts with Customers Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Capitalized Contract Cost, Net	$ 44.2
Minimum
Disaggregation of Revenue [Line Items]
Drilling Contracts, Term	1 month
Maximum
Disaggregation of Revenue [Line Items]
Drilling Contracts, Term	5 years
Upfront Rig Mobilizations And Certain Contract Preparation [Member]
Disaggregation of Revenue [Line Items]
Capitalized Contract Cost, Net	$ 36.6	$ 47.4
Capitalized Contract Cost, Amortization	39.6	108.4	$ 92.9
Deferred Certification Costs [Member]
Disaggregation of Revenue [Line Items]
Capitalized Contract Cost, Net	7.6	12.9
Capitalized Contract Cost, Amortization	$ 8.5	$ 10.1	$ 12.7

X

- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

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-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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