XML 37 R26.htm IDEA: XBRL DOCUMENT v3.25.2

Summary of Significant Accounting Policies - Nature of business (Details)	3 Months Ended
	Aug. 02, 2025 USD ($) store state	Aug. 03, 2024 store
Accounting Policies [Abstract]
Products offering price, maximum price | $	$ 5
Number of states in which entity operates (state) | state	44
Number of company operated stores | store	1,858	1,667
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

Name:	five_DeferredCompensationArrangementWithIndividualPercentOfEligibleCompensation
Namespace Prefix:	five_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number Of Company Operated Stores

+ References

No definition available.

+ Details

Name:	five_NumberOfCompanyOperatedStores
Namespace Prefix:	five_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Products Offering Price

+ References

No definition available.

+ Details

Name:	five_ProductsOfferingPrice
Namespace Prefix:	five_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant