v3.23.1
Taxation - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Examination [Line Items]      
Effective income tax rate (6.71%) (5.30%) (5.37%)
Loss before income taxes $ 274.4 $ 183.3 $ 301.4
Unrecognized tax benefits, interest and penalties 0.5 0.4 $ 0.5
Unrecognized tax benefits, income tax penalties and interest accrued 11.3 $ 10.8  
Her Majesty's Revenue and Customs (HMRC)      
Income Tax Examination [Line Items]      
Deferred tax assets, operating loss carryforwards, not subject to expiration 58.0    
Increase in gross deferred tax asset 19.0    
Valuation allowance, deferred tax asset, increase (decrease), amount $ 0.0