Benefit Plans - Pension and Other Post-retirement Plans (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan assets	$ 28.4	$ 34.4
Pension plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit obligation	90.5	116.1	$ 120.8
Plan assets	28.4	34.4	33.7
Company contributions	7.5	8.1
Other post-retirement plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Benefit obligation	9.0	11.3	13.8
Plan assets	0.0	0.0	$ 0.0
Company contributions	$ 1.3	$ 1.3