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Supplemental Financial Information (Other Current Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Supplemental Financial Information [Abstract]
Deferred mobilization costs	$ 38.6	$ 75.3
Prepaid taxes	48.5	49.1
Prepaid expenses	13.0	23.6
Other	26.9	29.2
Other	$ 127.0	$ 177.2

X

- Definition

Amount of current assets classified as other.

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- Definition

Net amount of other deferred costs capitalized at the end of the reporting period. Does not include deferred finance costs or deferred acquisition costs of insurance companies.

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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Other Assets Other Current

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Supplemental Financial Information [Abstract]

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