v3.26.1
Fair Value of financial assets and liabilities - Financial assets and liabilities (Details) - EUR (€)
€ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Financial instruments    
Carrying amount, assets € 712,699 € 606,909
Fair value, assets 712,699 606,909
Carrying amount, liabilities (515,207) (530,662)
Fair value, liabilities (488,371) (496,351)
Assets classified as held for sale 3,830  
Money market funds 159,056 3,562
Level 1    
Financial instruments    
Fair value, assets 218,194 96,384
Level 2    
Financial instruments    
Fair value, assets 22,236 12,180
Fair value, liabilities (222) (4,139)
Level 3    
Financial instruments    
Fair value, assets 23,965 21,909
At fair value    
Financial instruments    
Carrying amount, assets 264,395 130,472
Fair value, assets 264,395 130,472
Carrying amount, liabilities (222) (4,139)
Fair value, liabilities (222) (4,139)
At fair value | Level 1    
Financial instruments    
Fair value, assets 218,194 96,384
At fair value | Level 2    
Financial instruments    
Fair value, assets 22,236 12,180
Fair value, liabilities (222) (4,139)
At fair value | Level 3    
Financial instruments    
Fair value, assets 23,965 21,909
At fair value | FVTPL    
Financial instruments    
Carrying amount, liabilities (222) (4,139)
Fair value, liabilities (222) (4,139)
At fair value | FVTPL | Level 2    
Financial instruments    
Fair value, liabilities (222) (4,139)
At fair value | FVTPL | Derivative financial instruments    
Financial instruments    
Carrying amount, liabilities (222) (4,139)
Fair value, liabilities (222) (4,139)
At fair value | FVTPL | Derivative financial instruments | Level 2    
Financial instruments    
Fair value, liabilities (222) (4,139)
At fair value | FVTPL    
Financial instruments    
Carrying amount, assets 46,201 34,089
Fair value, assets 46,201 34,089
At fair value | FVTPL | Level 2    
Financial instruments    
Fair value, assets 22,236 12,180
At fair value | FVTPL | Level 3    
Financial instruments    
Fair value, assets 23,965 21,909
At fair value | FVTPL | Equity instruments    
Financial instruments    
Carrying amount, assets 45,205 31,962
Fair value, assets 45,205 31,962
At fair value | FVTPL | Equity instruments | Level 2    
Financial instruments    
Fair value, assets 21,240 12,180
At fair value | FVTPL | Equity instruments | Level 3    
Financial instruments    
Fair value, assets 23,965 19,781
At fair value | FVTPL | Other financial assets    
Financial instruments    
Carrying amount, assets   2,127
Fair value, assets   2,127
At fair value | FVTPL | Other financial assets | Level 3    
Financial instruments    
Fair value, assets   2,127
At fair value | FVTPL | Convertible loans granted to long-term investments    
Financial instruments    
Carrying amount, assets   2,127
At fair value | FVTPL | Derivative financial instruments    
Financial instruments    
Carrying amount, assets 996  
Fair value, assets 996  
At fair value | FVTPL | Derivative financial instruments | Level 2    
Financial instruments    
Fair value, assets 996  
At fair value | FVTOCI    
Financial instruments    
Carrying amount, assets 218,194 96,384
Fair value, assets 218,194 96,384
At fair value | FVTOCI | Level 1    
Financial instruments    
Fair value, assets 218,194 96,384
At fair value | FVTOCI | Equity instruments    
Financial instruments    
Carrying amount, assets 1,265 2,409
Fair value, assets 1,265 2,409
At fair value | FVTOCI | Equity instruments | Level 1    
Financial instruments    
Fair value, assets 1,265 2,409
At fair value | FVTOCI | Current investments    
Financial instruments    
Carrying amount, assets 57,873 90,413
Fair value, assets 57,873 90,413
At fair value | FVTOCI | Current investments | Level 1    
Financial instruments    
Fair value, assets 57,873 90,413
At fair value | FVTOCI | Cash and cash equivalents    
Financial instruments    
Carrying amount, assets 159,056 3,562
Fair value, assets 159,056 3,562
At fair value | FVTOCI | Cash and cash equivalents | Level 1    
Financial instruments    
Fair value, assets 159,056 3,562
At (amortized) cost    
Financial instruments    
Carrying amount, assets 448,304 476,437
Fair value, assets 448,304 476,437
Carrying amount, liabilities (514,985) (526,523)
Fair value, liabilities (488,149) (492,213)
At (amortized) cost | Trade account payables    
Financial instruments    
Carrying amount, liabilities (64,764) (85,792)
Fair value, liabilities (64,764) (85,792)
At (amortized) cost | Loans and borrowings    
Financial instruments    
Carrying amount, liabilities (276,403) (287,556)
Fair value, liabilities (249,568) (253,245)
At (amortized) cost | Other liabilities    
Financial instruments    
Carrying amount, liabilities (173,818) (153,175)
Fair value, liabilities (173,818) (153,175)
At (amortized) cost | Other financial assets    
Financial instruments    
Carrying amount, assets 24,585 11,259
Fair value, assets 24,585 11,259
At (amortized) cost | Cash and cash equivalents    
Financial instruments    
Carrying amount, assets 259,461 302,825
Fair value, assets 259,461 302,825
At (amortized) cost | Receivables and contract assets    
Financial instruments    
Carrying amount, assets 164,258 162,353
Fair value, assets € 164,258 € 162,353