Supplemental financial statement information - Cash, cash equivalents and restricted cash (Details) - USD ($) $ in Millions |
1 Months Ended | ||
|---|---|---|---|
Jan. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
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| Supplemental financial statement information | |||
| Restricted cash deposit | $ 10.6 | ||
| Restricted cash | $ 0.0 | $ 0.0 |
| X | ||||||||||
- Definition The amount of restricted cash and cash equivalent released. No definition available.
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| X | ||||||||||
- Definition Supplemental Financial Statement Information [Abstract] No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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