Employee Benefit Plans - Asset Category and Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
United States
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 54.0	$ 49.1	$ 61.9
International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	41.8	0.0
Level 2 | United States
Defined Benefit Plan Disclosure
Fair value of plan assets	50.5	48.0
Level 2 | International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	0.2
Level 3 | United States
Defined Benefit Plan Disclosure
Fair value of plan assets	3.5	1.1	$ 2.0
Level 3 | International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 41.6
Equity funds | United States
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	30.00%
Fair value of plan assets	$ 16.5	35.0
Equity funds | Level 2 | United States
Defined Benefit Plan Disclosure
Fair value of plan assets	16.5	35.0
Equity funds | Level 3 | United States
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 0.0	0.0
Fixed income funds | United States
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	62.00%
Fair value of plan assets	$ 34.0	13.0
Fixed income funds | Level 2 | United States
Defined Benefit Plan Disclosure
Fair value of plan assets	34.0	13.0
Fixed income funds | Level 3 | United States
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 0.0	0.0
Other investments | United States
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	8.00%
Fair value of plan assets	$ 3.5	1.1
Other investments | International Plans
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	7.00%
Fair value of plan assets	$ 2.9
Other investments | Level 2 | United States
Defined Benefit Plan Disclosure
Fair value of plan assets	0.0	0.0
Other investments | Level 2 | International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	0.0
Other investments | Level 3 | United States
Defined Benefit Plan Disclosure
Fair value of plan assets	3.5	$ 1.1
Other investments | Level 3 | International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 2.9
Cash and cash equivalents | International Plans
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	0.00%
Fair value of plan assets	$ 0.2
Cash and cash equivalents | Level 2 | International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	0.2
Cash and cash equivalents | Level 3 | International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 0.0
Investments funds | International Plans
Defined Benefit Plan Disclosure
Target Allocations by Asset Category	93.00%
Fair value of plan assets	$ 38.7
Investments funds | Level 2 | International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	0.0
Investments funds | Level 3 | International Plans
Defined Benefit Plan Disclosure
Fair value of plan assets	$ 38.7