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Supplemental Financial Information (Other Current Assets) (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Supplemental Financial Information [Abstract]
Prepaid taxes	$ 73.5	$ 48.5
Deferred costs	38.6	38.6
Prepaid expenses	15.3	13.0
Other	27.0	26.9
Other current assets	$ 154.4	$ 127.0

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 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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