Summary of significant accounting policies - CARES Act (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jul. 31, 2021 |
Aug. 01, 2020 |
Jul. 31, 2021 |
Aug. 01, 2020 |
Jan. 30, 2021 |
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| Summary of significant accounting policies | |||||
| Employee retention credit recognized | $ 1,048 | $ 48,181 | $ 3,387 | $ 48,181 | |
| Employee retention credit receivable | 55,792 | 48,181 | $ 52,405 | ||
| Deferred social security tax payments | $ 43,845 | 18,709 | $ 43,845 | 18,709 | $ 43,845 |
| Cash tax refund received | $ 4,600 | $ 4,600 | |||
| X | ||||||||||
- Definition Refers to the Employee Retention Credit and payroll tax deferral. No definition available.
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| X | ||||||||||
- Definition Refers to the amount of recognized receivable related to employee retention credit. No definition available.
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- References No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority. No definition available.
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