XML 58 R47.htm IDEA: XBRL DOCUMENT v3.25.2

Income Taxes - Narrative (Details) - USD ($)	6 Months Ended
	Aug. 02, 2025	Aug. 03, 2024
Income Tax [Line Items]
Accrual for uncertain tax, interest or penalties	$ 0	$ 0
Minimum
Income Tax [Line Items]
State income taxes, statute of limitations period (in years)	3 years
Maximum
Income Tax [Line Items]
State income taxes, statute of limitations period (in years)	4 years

X

- Definition

Accrual For Uncertain Tax, Interest Or Penalties

+ References

No definition available.

+ Details

Name:	five_AccrualForUncertainTaxInterestOrPenalties
Namespace Prefix:	five_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Income Tax [Line Items]

+ References

No definition available.

+ Details

Name:	five_IncomeTaxLineItems
Namespace Prefix:	five_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

State Income Taxes, Statute of Limitations Period

+ References

No definition available.

+ Details

Name:	five_StateIncomeTaxesStatuteOfLimitationsPeriod
Namespace Prefix:	five_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: