Business Combinations, Goodwill and Intangible Assets - Schedule of Goodwill (Parenthetical) (Details) - USD ($) $ in Millions		12 Months Ended
	Mar. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Line Items]
Goodwill		$ 18.8	$ 18.8
Goodwill, acquired	$ 20.5
Impairment charge		38.9	$ 18.4
IMT
Goodwill [Line Items]
Goodwill, acquired		25.2
Impairment charge		$ 25.2