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Income Taxes - Deferred Income Tax Assets and Liabilities and Valuation Allowances Narrative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Tax Credit Carryforward [Line Items]      
Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards $ 233.3 $ 222.6  
Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards, Not Subject to Expiration 118.4    
Valuation allowance, deferred tax asset, increase (decrease), amount (5.1) 36.1 $ 8.9
Deferred Tax Assets, Valuation Allowance 288.8 267.1  
United States      
Tax Credit Carryforward [Line Items]      
Valuation allowance, deferred tax asset, increase (decrease), amount (5.3) 31.0 15.7
Non-US      
Tax Credit Carryforward [Line Items]      
Valuation allowance, deferred tax asset, increase (decrease), amount $ 26.0 $ 8.9 $ 0.6