Number of geographic segments.

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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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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Business Segments - Additional Information (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2023 USD ($)	Mar. 31, 2023 Segment	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Segment	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Concentration Risk [Line Items]
Number of geographic segments \| Segment		3		3
Restructuring and Related Cost, Incurred Cost				$ 0
Restructuring liability	$ 902			902		$ 3,802
2021 Global Strategic Plan
Concentration Risk [Line Items]
Restructuring and Related Cost, Incurred Cost	2,300		$ 4,100	3,400	$ 9,900
Inventory write down			$ 5,100		5,100
Restructuring costs					4,800
Restructuring liability	2,300			2,300
2021 Global Strategic Plan \| Subsea Services
Concentration Risk [Line Items]
Restructuring and Related Cost, Incurred Cost	100			400
2021 Global Strategic Plan \| Subsea Products
Concentration Risk [Line Items]
Inventory write down					2,500
2021 Global Strategic Plan \| Corporate
Concentration Risk [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 2,200			4,900
Long-lived asset write-downs					2,600
Restructuring costs					$ 4,800
2021 Global Strategic Plan \| Well construction
Concentration Risk [Line Items]
Restructuring and Related Cost, Incurred Cost				$ (1,900)