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Segment Information - Revenue By Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 187.5	$ 105.3	$ 359.5	$ 187.3
South East Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	58.5	39.1	110.4	69.9
West Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	45.9	24.6	89.3	46.9
Mexico
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	43.0	17.5	82.5	36.4
Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	31.6	5.1	62.2	5.1
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 8.5	$ 19.0	$ 15.1	$ 29.0

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-Section 50
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-Subparagraph (a)
-Publisher FASB
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-4

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