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Financial Instruments - Fair Values and Risk Management - Summary of Maturity Profile of Financial Liabilities Based on Contractual Undiscounted Payments (Detail) - EUR (€) € in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Disclosure Of Maturity Analysis For Financial Liabilities [line items] |  |
Long-term borrowings | € 20,216 | € 21,850
Lease liabilities | 68,228 |
Bank overdraft and short-term borrowings | 24,170 | 35,148
Trade and other payables | 90,525 | 104,815
Losses on derivative financial instruments | 772 | 320
Total financial liabilities | 203,911 | 162,133
Less than 2 months [member] |  |
Disclosure Of Maturity Analysis For Financial Liabilities [line items] |  |
Long-term borrowings | 512 | 899
Lease liabilities | 3,341 |
Bank overdraft and short-term borrowings | 24,170 | 35,148
Trade and other payables | 22,049 | 26,914
Losses on derivative financial instruments | 772 | 320
Total financial liabilities | 50,844 | 63,281
2 to 12 months [member] |  |
Disclosure Of Maturity Analysis For Financial Liabilities [line items] |  |
Long-term borrowings | 4,222 | 10,019
Lease liabilities | 10,587 |
Trade and other payables | 68,476 | 77,901
Total financial liabilities | 83,285 | 87,920
1 to 2 years [member] |  |
Disclosure Of Maturity Analysis For Financial Liabilities [line items] |  |
Long-term borrowings | 6,568 | 3,416
Lease liabilities | 9,972 |
Total financial liabilities | 16,540 | 3,416
2 to 5 years [member] |  |
Disclosure Of Maturity Analysis For Financial Liabilities [line items] |  |
Long-term borrowings | 5,389 | 6,158
Lease liabilities | 26,568 |
Total financial liabilities | 31,957 | 6,158
More than 5 years [member] |  |
Disclosure Of Maturity Analysis For Financial Liabilities [line items] |  |
Long-term borrowings | 3,525 | 1,358
Lease liabilities | 17,760 |
Total financial liabilities | € 21,285 | € 1,358

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