Goodwill and intangible assets (Details) - Schedule of Useful Lives For Acquisitions - Customer Relationships [Member] |
6 Months Ended |
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Jan. 31, 2021 | |
| Goodwill and intangible assets (Details) - Schedule of Useful Lives For Acquisitions [Line Items] | |
| Weighted average remaining useful life | 1 year |
| Minimum [Member] | |
| Goodwill and intangible assets (Details) - Schedule of Useful Lives For Acquisitions [Line Items] | |
| Useful life assigned | 8 years |
| Maximum [Member] | |
| Goodwill and intangible assets (Details) - Schedule of Useful Lives For Acquisitions [Line Items] | |
| Useful life assigned | 15 years |
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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