Restructuring Charges - Schedule of Restructuring Reserves and Utilization (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Restructuring Reserve [Rollforward]
Balance at beginning of period	$ 3.2	$ 3.2	$ 5.8	$ 7.0	$ 3.2	$ 7.0
Charge taken during the period	3.0	3.0	4.6	3.6
Payments made during period	(2.5)	(3.0)	(4.0)	(4.8)	(5.5)	(8.8)
Balance at end of period	3.7	3.2	6.4	5.8	3.7	6.4
Severance
Restructuring Reserve [Rollforward]
Balance at beginning of period	2.7	2.4	3.9	4.8	2.4	4.8
Charge taken during the period	3.0	2.9	3.9	3.1
Payments made during period	(2.4)	(2.6)	(3.1)	(4.0)
Balance at end of period	3.3	2.7	4.7	3.9	3.3	4.7
Contract termination and other exit costs
Restructuring Reserve [Rollforward]
Balance at beginning of period	0.5	0.8	1.9	2.2	0.8	2.2
Charge taken during the period	0.0	0.1	0.7	0.5
Payments made during period	(0.1)	(0.4)	(0.9)	(0.8)
Balance at end of period	$ 0.4	$ 0.5	$ 1.7	$ 1.9	$ 0.4	$ 1.7