v3.22.0.1

Supplemental Financial Information - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Acquisition and disposition contingent assets	$ 29.1	$ 19.5
Prepaid expenses	27.8	18.2
Deferred contract costs	3.7	4.5
Other current assets	16.6	17.2
Total prepaid expenses and other current assets	$ 77.2	$ 59.4

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current.

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