Restructuring - Restructuring Charges By Segment (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	7 Months Ended	9 Months Ended
	Aug. 11, 2023	Sep. 30, 2023	Sep. 30, 2022	Aug. 11, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 5.3	$ 6.2	$ 20.7	$ 38.9	$ 98.9