Employee Benefit Plans - Summary of Components of Net Periodic Benefit Cost (Details) - Defined Benefit Plans - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Components of net periodic benefit cost
Service cost	$ 0.5	$ 0.6	$ 1.6	$ 1.8
Interest cost	1.6	0.8	4.7	2.4
Expected return on plan assets	(2.0)	(2.3)	(6.1)	(7.1)
Amortization of unrecognized loss	0.3	1.2	1.0	3.7
Settlement expense	0.0	0.4	0.0	1.3
Net periodic benefit cost	0.4	0.7	1.2	2.1
Amortization of unrecognized actuarial gain, provision for income tax	$ (0.1)	$ (0.3)	$ (0.2)	$ (0.9)