SHARE-BASED COMPENSATION - Fair Value of Awards at Grant Date (Details) - CHF (SFr) |
Sep. 01, 2025 |
Apr. 01, 2025 |
Dec. 30, 2024 |
Dec. 06, 2024 |
Aug. 02, 2024 |
Mar. 25, 2024 |
|---|---|---|---|---|---|---|
| RSUs | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Fair value at grant date (in chf per share) | SFr 50.20 | SFr 42.70 | SFr 39.32 | SFr 41.55 | SFr 36.59 | SFr 34.07 |
| SARs | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Fair value at grant date (in chf per share) | 10.45 | 9.66 | ||||
| PSUs | ||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | ||||||
| Fair value at grant date (in chf per share) | SFr 62.47 | SFr 51.27 | SFr 42.09 | SFr 42.09 | SFr 44.65 | SFr 50.01 |