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Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 636.6		$ 636.6		$ 710.3
Amortization expense of intangible assets	15.5	$ 14.8	45.5	$ 37.0
ATM
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	598.1		598.1		652.5
FBS
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 38.5		$ 38.5		$ 57.8

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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