Summary of significant accounting policies (Details) |
3 Months Ended | |
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Oct. 31, 2020 |
Nov. 02, 2019 |
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| Summary of significant accounting policies | ||
| Fiscal period | 91 days | 91 days |
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- References No definition available.
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- Definition Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. No definition available.
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