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Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period | [1] | € 110,634 |  |  |
Depreciation charge |  | (17,247) | € (18,428) |  | € (17,514)
Property, plant and equipment at ending period |  | 98,714 | 110,634 | [1] |
Gross carrying amount [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 182,151 | 175,743 |  |
Additions |  | 2,187 | 10,858 |  |
Disposals |  | (7,719) | (440) |  |
Transferred |  | 0 | (21) |  |
Foreign exchange translation |  | 6,742 | (3,989) |  |
Property, plant and equipment at ending period |  | 183,361 | 182,151 |  | 175,743
Depreciation and impairment [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | (71,517) | (46,648) |  |
Depreciation charge |  | (17,247) | (18,428) |  |
Impairment charge |  |  | (7,834) |  |
Disposals |  | 6,885 | 200 |  |
Foreign exchange translation |  | (2,768) | 1,193 |  |
Property, plant and equipment at ending period |  | (84,647) | (71,517) |  | (46,648)
Plant and machinery [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 14,652 |  |  |
Property, plant and equipment at ending period |  | 12,003 | 14,652 |  |
Plant and machinery [member] | Gross carrying amount [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 27,436 | 24,944 |  |
Additions |  | 299 | 2,580 |  |
Disposals |  | (5,995) | (383) |  |
Transferred |  | 66 | 504 |  |
Foreign exchange translation |  | 127 | (209) |  |
Property, plant and equipment at ending period |  | 21,933 | 27,436 |  | 24,944
Plant and machinery [member] | Depreciation and impairment [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | (12,784) | (7,584) |  |
Depreciation charge |  | (2,330) | (2,569) |  |
Impairment charge |  |  | (2,869) |  |
Disposals |  | 5,296 | 146 |  |
Foreign exchange translation |  | (112) | 92 |  |
Property, plant and equipment at ending period |  | (9,930) | (12,784) |  | (7,584)
Other equipment [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 4,245 |  |  |
Property, plant and equipment at ending period |  | 3,786 | 4,245 |  |
Other equipment [member] | Gross carrying amount [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 11,420 | 11,203 |  |
Additions |  | 951 | 503 |  |
Disposals |  | (1,635) | (57) |  |
Transferred |  | (66) | (21) |  |
Foreign exchange translation |  | 306 | (208) |  |
Property, plant and equipment at ending period |  | 10,976 | 11,420 |  | 11,203
Other equipment [member] | Depreciation and impairment [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | (7,175) | (5,023) |  |
Depreciation charge |  | (1,322) | (1,899) |  |
Impairment charge |  |  | (405) |  |
Disposals |  | 1,501 | 54 |  |
Foreign exchange translation |  | (194) | 98 |  |
Property, plant and equipment at ending period |  | (7,190) | (7,175) |  | (5,023)
Leasehold improvements [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 8,429 |  |  |
Property, plant and equipment at ending period |  | 7,513 | 8,429 |  |
Leasehold improvements [member] | Gross carrying amount [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 19,375 | 20,130 |  |
Additions |  | 76 | 228 |  |
Transferred |  | 0 | (504) |  |
Foreign exchange translation |  | 847 | (479) |  |
Property, plant and equipment at ending period |  | 20,298 | 19,375 |  | 20,130
Leasehold improvements [member] | Depreciation and impairment [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | (10,946) | (4,497) |  |
Depreciation charge |  | (1,283) | (2,085) |  |
Impairment charge |  |  | (4,560) |  |
Foreign exchange translation |  | (556) | 196 |  |
Property, plant and equipment at ending period |  | (12,785) | (10,946) |  | (4,497)
Right-of-use assets [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 83,308 |  |  |
Property, plant and equipment at ending period |  | 75,412 | 83,308 |  |
Right-of-use assets [member] | Gross carrying amount [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | 123,920 | 119,466 |  |
Additions |  | 861 | 7,547 |  |
Disposals |  | (89) |  |  |
Foreign exchange translation |  | 5,462 | (3,093) |  |
Property, plant and equipment at ending period |  | 130,154 | 123,920 |  | 119,466
Right-of-use assets [member] | Depreciation and impairment [member] |  |  |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |  |  |
Property, plant and equipment at beginning period |  | (40,612) | (29,544) |  |
Depreciation charge |  | (12,312) | (11,875) |  |
Disposals |  | 88 |  |  |
Foreign exchange translation |  | (1,906) | 807 |  |
Property, plant and equipment at ending period |  | € (54,742) | € (40,612) |  | € (29,544)
[1] | Restatement relates to adoption of amendments to IAS 1, “Presentation of Financial Statements.” Refer to Note 2 for further details.

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- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Total for all business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 75 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_75_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_v&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 98 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_98_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2024-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2024-03-27 + Details
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