Post-Employment Plans - Fair Value of Pension Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 134.6	$ 181.7
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	1.1
Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	88.4	117.3
Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	46.2	63.3	$ 64.2
Equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	35.6	41.3
Equities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	0.1
Equities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	35.6	41.2
Equities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	0.0
Bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	22.7	43.5
Bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	1.0
Bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	22.7	42.5
Bonds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	0.0
Absolute return fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	23.3	23.7
Absolute return fund | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	0.0
Absolute return fund | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	23.3	23.7
Absolute return fund | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	0.0
Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	46.2	63.3
Insurance contracts | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	0.0
Insurance contracts | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	0.0
Insurance contracts | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	46.2	63.3
Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	6.8	9.9
Other | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	0.0	0.0
Other | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	6.8	9.9
Other | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of pension plan assets	$ 0.0	$ 0.0