Employee Benefit Plans - Asset Category and Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 49.1	$ 61.9	$ 53.9
Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	48.0	59.9
Level 3
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 1.1	2.0	$ 1.8
Equity funds
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	68.00%
Fair value of plan assets	$ 35.0	43.9
Equity funds | Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	35.0	43.9
Equity funds | Level 3
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 0.0	0.0
Fixed income funds
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	27.00%
Fair value of plan assets	$ 13.0	16.0
Fixed income funds | Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	13.0	16.0
Fixed income funds | Level 3
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 0.0	0.0
Other investments
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	5.00%
Fair value of plan assets	$ 1.1	2.0
Other investments | Level 2
Defined Benefit Plan Disclosure
Fair value of plan assets	0.0	0.0
Other investments | Level 3
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 1.1	$ 2.0