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Bank overdrafts and short-term borrowings - Schedule of Bank Overdrafts and Short-term Borrowings (Detail) - EUR (€) € in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Disclosure of detailed information about borrowings [line items] |  |
Bank overdraft and short-term borrowings | € 24,170 | € 35,148
Bank overdrafts [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Bank overdraft and short-term borrowings | 1,974 | 1,762
Borrowings secured over trade receivables [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Bank overdraft and short-term borrowings | 21,029 | 29,992
Borrowings unsecured [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Bank overdraft and short-term borrowings | € 1,167 | € 3,394

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