v3.25.2
Financial instruments - Categories of financial instruments (Details) - EUR (€)
€ in Millions
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Dec. 31, 2023
Disclosure Of Financial Assets And Liabilities [Table] [Line Items]        
Financial assets at amortized cost € 266.6 € 403.3 € 327.7 € 399.7
Financial assets at amortised cost 497.9 537.7    
Financial assets at fair value through profit or loss 134.4 167.7    
Financial liabilities at amortised cost (2,899.5) (2,950.9)    
Financial assets (liabilities) at fair value through other comprehensive income (157.6) (39.6)    
Total (2,424.8) (2,285.1)    
Derivative financial instruments        
Disclosure Of Financial Assets And Liabilities [Table] [Line Items]        
Financial liabilities at amortised cost 0.0 0.0    
Financial liabilities (163.5) (60.8)    
Financial Liabilities At Fair Value Through Other Comprehensive Income (163.5) (60.8)    
Trade and other payables excluding non-financial liabilities        
Disclosure Of Financial Assets And Liabilities [Table] [Line Items]        
Financial liabilities at amortised cost (797.1) (773.5)    
Financial liabilities (797.1) (773.5)    
Financial Liabilities At Fair Value Through Other Comprehensive Income 0.0 0.0    
Loans and borrowings        
Disclosure Of Financial Assets And Liabilities [Table] [Line Items]        
Financial liabilities at amortised cost (2,102.4) (2,177.4)    
Financial liabilities (2,102.4) (2,177.4)    
Financial Liabilities At Fair Value Through Other Comprehensive Income 0.0 0.0    
Derivative financial instruments        
Disclosure Of Financial Assets And Liabilities [Table] [Line Items]        
Financial assets 5.9 21.2    
Derivative financial assets held for hedging 5.9 21.2    
Trade and other receivables        
Disclosure Of Financial Assets And Liabilities [Table] [Line Items]        
Financial assets at amortised cost 365.7 302.1    
Financial assets 365.7 302.1    
Cash and cash equivalents        
Disclosure Of Financial Assets And Liabilities [Table] [Line Items]        
Financial assets at amortised cost 132.2 235.6    
Financial assets at fair value through profit or loss 134.4 167.7    
Financial assets € 266.6 € 403.3