Pension Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Retirement Benefits [Abstract]
Service cost	$ 0.5	$ 1.1	$ 1.6	$ 3.2
Interest cost	2.2	1.5	6.7	4.5
Expected return on plan assets	(2.4)	(2.3)	(7.1)	(7.0)
Recognized actuarial loss	0.0	1.5	0.6	4.4
Other	0.3	0.2	(0.1)	0.2
Settlements and curtailments	0.3	0.0	0.4	0.3
Net periodic benefit cost	$ 0.9	$ 2.0	$ 2.1	$ 5.6