v3.23.1
Pensions (Details) - Narrative
$ in Millions
12 Months Ended
Mar. 29, 2018
pensionPlan
Dec. 31, 2022
USD ($)
pensionPlan
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Defined Benefit Plan Disclosure [Line Items]        
Number of defined benefit pension plans acquired | pensionPlan 2      
Number of non-US noncontributory defined benefit pension plans sponsored | pensionPlan   2    
Amount of defined contribution   $ 2.4 $ 1.3 $ 1.8
Defined benefit plans        
Defined Benefit Plan Disclosure [Line Items]        
Benefit obligation at end of period   106.9 172.9 184.0
Fair value of plan assets at end of period   106.9 172.9 $ 184.0
Interest cost / (credit)   0.7    
Expected return on plan assets   (0.7) 0.2  
Benefit cost   $ 0.0 $ 0.0