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Assets Held for Sale - Summary of Disposal Group Comprised Assets and Liabilities (Detail) - EUR (€) € in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
Assets And Liabilities Held For Sale [Line Items] |  |  |  |
Property, plant and equipment | € 83,054 | € 85,306 | € 102,523 |
Inventories | 80,211 | 63,909 | € 69,685 | € 84,227
Trade receivables | 41,259 | 33,934 |  |
Long-term borrowings | € 13,577 | 9,302 |  |
Total liabilities held for sale |  | 3,386 |  |
Disposal Groups Classified as Held For Sale [member] |  |  |  |
Assets And Liabilities Held For Sale [Line Items] |  |  |  |
Property, plant and equipment |  | 1,620 |  |
Intangible assets |  | 9 |  |
Inventories |  | 971 |  |
Trade receivables |  | 1,304 |  |
Other financial assets |  | 65 |  |
Total assets held for sale |  | 3,969 |  |
Long-term borrowings |  | 344 |  |
Employees’ leaving entitlement |  | 408 |  |
Trade payables and other financial liabilities |  | 2,634 |  |
Total liabilities held for sale |  | € 3,386 |  |

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