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Supplemental Financial Information (Other Current Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Supplemental Financial Information [Abstract]
Deferred costs	$ 76.7	$ 75.3
Prepaid taxes	52.7	49.1
Prepaid expenses	16.6	23.6
Other	31.6	29.2
Other current assets	$ 177.6	$ 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 costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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