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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Goodwill and Intangible Assets - Narratives (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets
Amortization expense	$ 49.0	$ 10.6	$ 115.0	$ 32.4
Government grants	$ 0.3		$ 0.3
Maximum
Finite-Lived Intangible Assets
Government grants					$ 5.0
Government grants \| Minimum
Finite-Lived Intangible Assets
Finite lived intangible assets useful life (in years)	10 years		10 years
Government grants \| Maximum
Finite-Lived Intangible Assets
Finite lived intangible assets useful life (in years)	50 years		50 years