v3.23.1
Pensions (Details) - Defined Benefit Plan Costs and Key Assumptions - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Minimum    
Weighted Average Assumptions Used to Determine Benefit Obligations    
Discount rate 2.54% 0.39%
Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost    
Discount rate 2.54% 0.39%
Expected long-term return on plan assets 2.54% 0.39%
Maximum    
Weighted Average Assumptions Used to Determine Benefit Obligations    
Discount rate 2.93% 0.43%
Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost    
Discount rate 2.93% 0.43%
Expected long-term return on plan assets 2.93% 0.43%
Defined benefit plans    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]    
Interest cost $ 0.7  
Expected return on plan assets (0.7) $ 0.2
Net benefit cost 0.0 0.0
Net defined benefit plans    
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]    
Interest cost $ 0.7 $ (0.2)