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v3.23.3

Summary of Significant Accounting Policies - Nature of business (Details) | 3 Months Ended |
--- | --- | ---
Oct. 28, 2023 USD ($) Stores state | Oct. 29, 2022 Stores
Accounting Policies [Abstract] |  |
Products offering price, maximum price | $ | $ 5 |
Number of states in which entity operates (state) | state | 43 |
Number of company operated stores | Stores | 1,481 | 1,292
Deferred compensation, maximum amount of eligible compensation as a percentage of gross pay | 80.00% |

X
- Definition Deferred Compensation Arrangement With individual, Percent Of Eligible Compensation + References No definition available. + Details
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Namespace Prefix: | five_
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Balance Type: | na
Period Type: | duration

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- Definition Number Of Company Operated Stores + References No definition available. + Details
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Namespace Prefix: | five_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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- Definition Products Offering Price + References No definition available. + Details
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Namespace Prefix: | five_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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X
- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
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