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Stock-Based Compensation - Schedule of Allocation of Share-based Compensation Costs by Plan (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Tax benefit $ (0.4) $ (0.3)
Stock-based compensation expense, net of tax 7.5 5.7
Stock-based compensation expenses (restricted share units (“RSUs”) and performance-based RSUs (“PRSUs”)), before income taxes    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expenses, before income taxes $ 7.9 $ 6.0