Employee Benefit Plans - Summary of Components of Net Periodic Benefit Cost (Details) - Defined Benefit Plans - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Components of net periodic benefit cost
Service cost	$ 0.5	$ 0.6	$ 1.1	$ 1.1
Interest cost	1.5	1.5	3.0	3.1
Expected return on plan assets	(2.0)	(2.1)	(3.9)	(4.1)
Amortization of unrecognized loss	0.6	0.4	1.2	0.7
Net periodic benefit cost	0.6	0.4	1.4	0.8
Amortization of unrecognized actuarial gain, provision for income tax	$ (0.2)	$ (0.1)	$ (0.3)	$ (0.2)