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Intangibles Assets and Goodwill - Summary of Inputs and Assumptions Used in Performing Impairment Test for Intangible Assets and Goodwill (Detail) € in Thousands | 12 Months Ended
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Dec. 31, 2021 EUR (€) | Dec. 31, 2020 EUR (€)
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Net book value after impairment test |  | € 1,921
Italy [member] | Retail stores [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Net book value after impairment test | € 1,921 | € 1,921
Long-term growth rate | 0.73% | 0.90%
WACC | 8.89 | 8.92
Annual sales growth rate 2021 |  | 8.03%
Annual sales growth rate 2022 | 4.30% |
Annual sales growth rate 2022–2025 |  | 2.50%
Annual sales growth rate 2023-2026 | 3.20% |
Mexico [member] | Retail stores [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Long-term growth rate |  | 3.57%
WACC |  | 13.31
Annual sales growth rate 2021 |  | 18.00%
Annual sales growth rate 2022–2025 |  | 2.13%

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