v3.25.0.1
Income Tax - Additional Information (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Corporate tax rate (as a percent) 15.00%    
Solidarity surcharge rate (as a percent) 5.50%    
Statutory tax rate (as a percent) 27.60% 27.10% 27.20%
Tax rate for deferred taxes (as a percent) 30.80%    
State income tax with average rate (as a percent) 1.80% 21.60% 27.20%
Deferred tax assets € 81.7 € 81.3  
Deferred tax (assets) and liabilities, net recognized 39.3 41.6 € 223.4
Deferred tax liabilities have not been recognized 14.5    
Deductible Temporary Differences, Unused Tax Losses, And Unused Tax Credits      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax assets 2,028.8    
Tax losses      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax (assets) and liabilities, net recognized 30.5    
Tax losses / tax credits      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax (assets) and liabilities, net recognized € 4.0    
United States      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Federal corporate income tax (as a percent) 21.00%    
State income tax with average rate (as a percent) 3.40%    
Valuation adjustment      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred tax (assets) and liabilities, net recognized € 332.4 € 138.0 € 136.7