Inventories - Schedule of Inventory (Details) - CHF (SFr) SFr in Millions |
Jun. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Disclosure Of Inventory [Line Items] | ||
| Inventories | SFr 401.3 | SFr 356.5 |
| Gross carrying amount | Shoes | ||
| Disclosure Of Inventory [Line Items] | ||
| Inventories | 370.9 | 321.4 |
| Gross carrying amount | Apparel | ||
| Disclosure Of Inventory [Line Items] | ||
| Inventories | 37.7 | 34.5 |
| Gross carrying amount | Accessories | ||
| Disclosure Of Inventory [Line Items] | ||
| Inventories | 4.7 | 8.0 |
| Allowances | ||
| Disclosure Of Inventory [Line Items] | ||
| Inventories | SFr 12.0 | SFr 7.4 |