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Supplemental Financial Information (Other Current Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Supplemental Financial Information [Abstract]
Deferred costs	$ 63.4	$ 59.1
Prepaid taxes	47.3	44.6
Prepaid expenses	17.6	17.5
Other	29.8	27.4
Other current assets	$ 158.1	$ 148.6

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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