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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+ Details

Revenue and Customers - Additional Information (Details) - USD ($) $ in Millions		6 Months Ended
	Oct. 03, 2022	Jun. 30, 2025
Maersk Drilling
Disaggregation of Revenue [Line Items]
Favorable customer contracts, fair value adjustments	$ 23.0
Unfavorable customer contracts, fair value adjustment	237.7
Diamond Offshore Drilling, Inc.
Disaggregation of Revenue [Line Items]
Unfavorable customer contracts, fair value adjustment	$ 27.7
Minimum
Disaggregation of Revenue [Line Items]
Payment term (in days)		30 days
Maximum
Disaggregation of Revenue [Line Items]
Payment term (in days)		60 days