v3.26.1
Property, plant and equipment - Property, Plant and Equipment and Right of Use Assets (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Property, plant and equipment    
Amount beginning of the year € 823,937  
Amount end of the year 554,626 € 823,937
Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 686,438 629,546
Capital expenditure/Additions 64,036 125,985
Disposals 739 1,777
Divestment of affiliated companies 258,305  
Depreciation 70,317 73,604
Impairment   4,226
Reclassification 121 (1,603)
Translation differences and other (21,460) 12,116
Amount end of the year 399,774 686,438
Right-of use assets    
Property, plant and equipment    
Amount beginning of the year 137,499 177,017
Recognition of right-of-use asset 50,735 7,241
Disposals 28 22,003
Depreciation 19,681 21,530
Impairment 797 7,969
Reclassification (121) (663)
Translation differences and other (12,754) 5,407
Amount end of the year 154,852 137,499
Gross/Acquisition and manufacturing costs | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 1,072,830 901,020
Amount end of the year 820,252 1,072,830
Gross/Acquisition and manufacturing costs | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year 228,761 255,853
Amount end of the year 253,917 228,761
Accumulated depreciation and impairment | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year (386,392) (271,474)
Amount end of the year (420,478) (386,392)
Accumulated depreciation and impairment | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year (91,262) (78,836)
Amount end of the year (99,065) (91,262)
Buildings and leasehold improvements | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 241,056 214,971
Capital expenditure/Additions 7,044 30,615
Disposals 67 883
Divestment of affiliated companies 2,822  
Depreciation 18,741 20,032
Impairment   1,199
Reclassification 4,797 11,402
Translation differences and other (12,611) 6,182
Amount end of the year 218,656 241,056
Buildings and leasehold improvements | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year 135,160 174,463
Recognition of right-of-use asset 38,642 5,518
Disposals 19 21,967
Depreciation 17,803 20,379
Impairment 797 7,897
Reclassification   25
Translation differences and other (12,777) 5,396
Amount end of the year 142,406 135,160
Property, plant and equipment, partially not used, but with plans for operation 37,586  
Buildings and leasehold improvements | Gross/Acquisition and manufacturing costs | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 323,066 274,335
Amount end of the year 313,881 323,066
Buildings and leasehold improvements | Gross/Acquisition and manufacturing costs | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year 222,624 249,853
Amount end of the year 236,547 222,624
Buildings and leasehold improvements | Accumulated depreciation and impairment | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year (82,011) (59,365)
Amount end of the year (95,225) (82,011)
Buildings and leasehold improvements | Accumulated depreciation and impairment | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year (87,464) (75,390)
Amount end of the year (94,142) (87,464)
Plant, machinery and equipment | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 170,434 168,565
Capital expenditure/Additions 15,690 18,549
Disposals 720 190
Divestment of affiliated companies 14,764  
Depreciation 39,924 41,017
Impairment   676
Reclassification 14,343 22,038
Translation differences and other (5,092) 3,164
Amount end of the year 139,967 170,434
Plant, machinery and equipment | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year 1,206 1,565
Recognition of right-of-use asset 11,649 1,096
Depreciation 1,368 709
Impairment   66
Reclassification (121) (688)
Translation differences and other 27 8
Amount end of the year 11,393 1,206
Plant, machinery and equipment | Gross/Acquisition and manufacturing costs | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 408,025 339,277
Amount end of the year 391,263 408,025
Plant, machinery and equipment | Gross/Acquisition and manufacturing costs | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year 4,304 4,251
Amount end of the year 15,314 4,304
Plant, machinery and equipment | Accumulated depreciation and impairment | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year (237,591) (170,713)
Amount end of the year (251,296) (237,591)
Plant, machinery and equipment | Accumulated depreciation and impairment | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year (3,098) (2,686)
Amount end of the year (3,922) (3,098)
Furniture and fixtures | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 22,694 20,365
Capital expenditure/Additions 4,173 5,579
Disposals 26 80
Divestment of affiliated companies 3,137  
Depreciation 11,652 12,555
Impairment   43
Reclassification 4,075 9,109
Translation differences and other (606) 319
Amount end of the year 15,521 22,694
Furniture and fixtures | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year 1,133 989
Recognition of right-of-use asset 444 626
Disposals 9 36
Depreciation 511 443
Impairment   7
Translation differences and other (3) 4
Amount end of the year 1,054 1,133
Furniture and fixtures | Gross/Acquisition and manufacturing costs | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 89,484 61,763
Amount end of the year 89,479 89,484
Furniture and fixtures | Gross/Acquisition and manufacturing costs | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year 1,833 1,749
Amount end of the year 2,055 1,833
Furniture and fixtures | Accumulated depreciation and impairment | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year (66,790) (41,397)
Amount end of the year (73,958) (66,790)
Furniture and fixtures | Accumulated depreciation and impairment | Right-of use assets    
Property, plant and equipment    
Amount beginning of the year (700) (760)
Amount end of the year (1,001) (700)
Assets under construction | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 252,254 225,645
Capital expenditure/Additions 37,129 71,242
Disposals (74) 623
Divestment of affiliated companies 237,583  
Impairment   2,308
Reclassification (23,094) (44,152)
Translation differences and other (3,151) 2,451
Amount end of the year 25,630 252,254
Assets under construction | Gross/Acquisition and manufacturing costs | Property, plant and equipment    
Property, plant and equipment    
Amount beginning of the year 252,254 225,645
Amount end of the year € 25,630 € 252,254