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Share-based payments - Schedule of Key Assumptions Used in Valuation (Details) | 12 Months Ended
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Dec. 31, 2025 € / shares | Dec. 31, 2025 $ / shares
CEO 2025-2027 PSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date share price (in euro per share) | € 6.03 |
Expected volatility | 44.98% | 44.98%
Dividend yield | 1.69% | 1.69%
Risk-free rate | 3.51% | 3.51%
CEO 2025-2027 PSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 4.08 |
CEO 2025-2027 PSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 5.69 |
CEO 2022-2024 PSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Dividend yield | 0.00% | 0.00%
Risk-free rate | 0.00% | 0.00%
CEO 2022-2024 PSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 7.43 |
Grant date share price (in euro per share) | € 7.43 |
Expected volatility | 30.00% | 30.00%
CEO 2022-2024 PSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 9.13 |
Grant date share price (in euro per share) | € 9.13 |
Expected volatility | 40.00% | 40.00%
CEO IPO PSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date share price (in euro per share) | $ / shares |  | $ 10.48
Expected volatility | 30.00% | 30.00%
Dividend yield | 0.00% | 0.00%
Risk-free rate | 0.73% | 0.73%
CEO IPO PSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 5.77 |
CEO IPO PSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | 6.93 |
2025-2027 PSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date share price (in euro per share) | € 7.47 |
Expected volatility | 45.07% | 45.07%
Dividend yield | 1.37% | 1.37%
Risk-free rate | 3.68% | 3.68%
2025-2027 PSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 4.87 |
2025-2027 PSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 7.09 |
2024-2026 PSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date share price (in euro per share) | $ / shares |  | $ 7.67
Expected volatility | 41.77% | 41.77%
Dividend yield | 1.62% | 1.62%
Risk-free rate | 4.13% | 4.13%
2024-2026 PSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 3.04 |
2024-2026 PSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | 6.79 |
2022-2024 PSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 8.68 |
Grant date share price (in euro per share) | $ / shares |  | $ 9.71
Expected volatility | 35.00% | 35.00%
Dividend yield | 0.90% | 0.90%
Risk-free rate | 1.96% | 1.96%
2022-2024 PSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 11.52 |
Grant date share price (in euro per share) | $ / shares |  | $ 12.68
Expected volatility | 37.50% | 37.50%
Dividend yield | 1.24% | 1.24%
Risk-free rate | 4.86% | 4.86%
2025-2028 RSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 7.98 |
Grant date share price (in euro per share) | € 8.35 |
Dividend yield | 1.44% | 1.44%
Risk-free rate | 1.18% | 1.18%
2025-2028 RSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 8.42 |
Grant date share price (in euro per share) | € 8.55 |
Dividend yield | 1.46% | 1.46%
Risk-free rate | 3.60% | 3.60%
2023 RSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 10.25 |
Grant date share price (in euro per share) | € 10.3 |
Dividend yield | 0.80% | 0.80%
Risk-free rate | 4.93% | 4.93%
2023 RSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 12.95 |
Grant date share price (in euro per share) | € 12.95 |
Dividend yield | 1.17% | 1.17%
Risk-free rate | 5.46% | 5.46%
Management 2022 to 2025 RSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 8.62 |
Grant date share price (in euro per share) | $ / shares |  | $ 9.71
Dividend yield | 0.90% | 0.90%
Risk-free rate | 2.07% | 2.07%
Management 2022 to 2025 RSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 11.4 |
Grant date share price (in euro per share) | $ / shares |  | $ 12.68
Dividend yield | 1.24% | 1.24%
Risk-free rate | 4.05% | 4.05%
Management IPO PSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date share price (in euro per share) | $ / shares |  | $ 10.48
Expected volatility | 30.00% | 30.00%
Dividend yield | 0.00% | 0.00%
Risk-free rate | 0.73% | 0.73%
Management IPO PSUs | Bottom of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 6.18 |
Management IPO PSUs | Top of range |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value | € 7.35 |

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