XML 41 R30.htm IDEA: XBRL DOCUMENT v3.25.1

Summary of Significant Accounting Policies (Details) - store	May 03, 2025	May 04, 2024
Accounting Policies [Abstract]
Number of company operated stores	1,826	1,605

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

- References

No definition available.

+ Details

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