Subsequent events (Details) |
6 Months Ended |
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Jul. 31, 2023 | |
| Subsequent Event | Forecast | |
| Subsequent Event [Line Items] | |
| Approved number of positions to be eliminated, percent | 4.00% |
| X | ||||||||||
- Definition The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). No definition available.
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| X | ||||||||||
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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