Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Taxation - Summary of Movements of Temporary Differences (Detail)

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Taxation - Summary of Movements of Temporary Differences (Detail) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets € (1,661) € 570  
Acquisitions / divestments 0 (3,043)  
Profit or loss 257 (87)  
Ending Balance, Net deferred tax assets (742) (1,661)  
DTA 807 523 € 570
DTL (1,549) (2,184) € 0
Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets (1,661) 570  
Acquisitions / divestments 0 (3,043)  
Profit or loss 457 486  
Equity / OCI 462 326  
Ending Balance, Net deferred tax assets (742) (1,661)  
DTA 25,007 13,637  
DTL (25,749) (15,298)  
Consolidation, Eliminations      
Changes in deferred tax liability (asset) [abstract]      
DTA (24,200) (13,114)  
DTL 24,200 13,114  
Property, plant and equipment | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 526 281  
Acquisitions / divestments 0 0  
Profit or loss (741) 245  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets (215) 526  
DTA 0 981  
DTL (215) (455)  
Intangible assets | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets (1,782) 0  
Acquisitions / divestments 0 (2,242)  
Profit or loss (10) 460  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets (1,792) (1,782)  
DTA 0 0  
DTL (1,792) (1,782)  
Right-of-use assets | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets (12,085) (7,469)  
Acquisitions / divestments 0 (484)  
Profit or loss (8,802) (4,132)  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets (20,887) (12,085)  
DTA 0 0  
DTL (20,887) (12,085)  
Trade and other receivables | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 449 0  
Acquisitions / divestments 0 396  
Profit or loss 164 53  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets 613 449  
DTA 628 449  
DTL (15) 0  
Inventories | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 0 0  
Acquisitions / divestments 0 0  
Profit or loss 0 0  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets 0 0  
DTA 0 0  
DTL 0 0  
Non-current lease liabilities | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 9,315 4,826  
Acquisitions / divestments 0 441  
Profit or loss 8,468 4,048  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets 17,783 9,315  
DTA 20,114 9,315  
DTL (2,331) 0  
Current lease liabilities | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 1,834 1,706  
Acquisitions / divestments 0 43  
Profit or loss 1,287 85  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets 3,121 1,834  
DTA 3,121 1,834  
DTL 0 0  
Provisions | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 107 0  
Acquisitions / divestments 0 101  
Profit or loss 15 8  
Equity / OCI 1 (2)  
Ending Balance, Net deferred tax assets 123 107  
DTA 123 107  
DTL 0 0  
Trade and other payables | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 368 561  
Acquisitions / divestments 0 0  
Profit or loss (181) (193)  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets 187 368  
DTA 187 374  
DTL 0 (6)  
Investments in equity securities | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets (970) 0  
Acquisitions / divestments 0 (1,298)  
Profit or loss 0 0  
Equity / OCI 461 328  
Ending Balance, Net deferred tax assets (509) (970)  
DTA 0 0  
DTL (509) (970)  
Net operating losses | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 577 665  
Acquisitions / divestments 0 0  
Profit or loss 257 (88)  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets 834 577  
DTA 834 577  
DTL 0 0  
Interest carry forward | Reportable Legal Entities      
Changes in deferred tax liability (asset) [abstract]      
Beginning balance, Net deferred tax assets 0 0  
Acquisitions / divestments 0 0  
Profit or loss 0 0  
Equity / OCI 0 0  
Ending Balance, Net deferred tax assets 0 0  
DTA 0 0  
DTL € 0 € 0