Net cash and cash equivalents (Details) - CHF (SFr) SFr in Millions |
Dec. 31, 2023 |
Jul. 07, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|---|---|---|
| Disclosure of detailed information about borrowings [line items] | |||||
| Current bank accounts | SFr 210.3 | SFr 309.7 | |||
| Digital wallets | 11.4 | 12.5 | |||
| Fixed deposit | 272.9 | 48.8 | |||
| Net cash and cash equivalents | 494.6 | 371.0 | SFr 653.1 | SFr 90.6 | |
| thereof restricted cash | SFr 0.2 | SFr 129.5 | |||
| Bank overdraft facility four, CHF | |||||
| Disclosure of detailed information about borrowings [line items] | |||||
| Credit facility, maximum borrowing capacity | SFr 700.0 |