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Equity Method Ownership Percentage, Sold

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Funding Provided To (Received From) Equity Method Investments

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Number Of Rigs

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Number Of Rigs On Bareboat Charter

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Related Party Revenue

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

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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.

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Related Party Transactions - Transactions with Significant Influence Entities (Details) $ in Millions		2 Months Ended	10 Months Ended	12 Months Ended
	Aug. 04, 2021	Dec. 31, 2022 USD ($) rig	Oct. 19, 2022 rig	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Related Party Transaction [Line Items]
Related party revenue				$ 85.1	$ 39.5	$ 42.3
Funding provided to (received from) equity method investments				0.0	(46.5)	25.5
Trade receivables		$ 65.6		65.6	48.6
Rig operating and maintenance expenses				264.9	180.5	270.4
General and administrative expenses				36.8	34.7	49.1
Magni Partners Limited \| Affiliated Entity
Related Party Transaction [Line Items]
General and administrative expenses				0.5	0.9	1.0
Schlumberger Limited \| Affiliated Entity
Related Party Transaction [Line Items]
Rig operating and maintenance expenses				0.0	0.0	6.9
Perfomex
Related Party Transaction [Line Items]
Number of rigs \| rig			3
Ownership percentage sold	49.00%
Additional ownership percentage acquired	2.00%
Funding provided to (received from) equity method investments				0.0	(31.6)	10.8
Trade receivables		$ 62.9		62.9	40.8
Number of rigs on bareboat charter \| rig		5
Perfomex II
Related Party Transaction [Line Items]
Number of rigs \| rig			2
Ownership percentage sold	49.00%
Additional ownership percentage acquired	2.00%
Funding provided to (received from) equity method investments				0.0	(9.5)	9.4
Trade receivables		$ 2.7		2.7	7.8
Opex
Related Party Transaction [Line Items]
Ownership percentage sold	49.00%
Funding provided to (received from) equity method investments				0.0	(3.7)	3.6
Akal
Related Party Transaction [Line Items]
Ownership percentage sold	49.00%
Funding provided to (received from) equity method investments				0.0	(1.7)	1.7
Management Services Agreement \| Perfomex
Related Party Transaction [Line Items]
Related party revenue				0.0	5.0	10.9
Management Services Agreement \| Perfomex II
Related Party Transaction [Line Items]
Related party revenue				0.0	3.0	7.5
Management Services Agreement \| Opex
Related Party Transaction [Line Items]
Related party revenue				0.0	0.0	1.1
Bareboat Revenue \| Perfomex
Related Party Transaction [Line Items]
Related party revenue				60.2	22.2	17.5
Bareboat Revenue \| Perfomex II
Related Party Transaction [Line Items]
Related party revenue				$ 24.9	$ 9.3	$ 5.3