Other Current Assets - Schedule of other current assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Other Assets [Abstract]
Unbilled and notes receivable	$ 75.7	$ 60.8
Income and other taxes receivable	75.9	61.8
Prepaid expenses	36.4	24.3
Other current assets	55.1	46.6
Other current assets	$ 243.1	$ 193.5

Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

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Amount of current assets classified as other.

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Amount of other miscellaneous assets expected to be realized or consumed within one year or operating cycle, if longer.

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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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Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.

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