Excess Collateral Availability Percentage

No definition available.

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- Definition

Letters of Credit Outstanding, Borrowing Capacity

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Letters Of Credit Sublimit Under Credit Facility

+ References

No definition available.

+ Details

Name:	five_LettersOfCreditSublimitUnderCreditFacility
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility Collateral Amount

+ References

No definition available.

+ Details

Name:	five_LineOfCreditFacilityCollateralAmount
Namespace Prefix:	five_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage Of Average Borrowing Availability Under Credit Facility

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Percentage Of Borrowing Base Of Line Of Credit Facility

+ References

No definition available.

+ Details

Name:	five_PercentageOfBorrowingBaseOfLineOfCreditFacility
Namespace Prefix:	five_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage Of Unused Line Of Credit Facility Fee

+ References

No definition available.

+ Details

Name:	five_PercentageOfUnusedLineOfCreditFacilityFee
Namespace Prefix:	five_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period Prior to Expiration of Term Facility for Expiration of Revolving Line of Credit

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Servicing Fees

+ References

No definition available.

+ Details

Name:	five_ServicingFees
Namespace Prefix:	five_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28555-108399

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Increase for additional borrowings on the credit facility during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

-Article 4

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Balance Type:	credit
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Term Loan Facility and Line of Credit (Line of Credit) (Details) (USD $)	3 Months Ended							3 Months Ended			3 Months Ended
	May 04, 2013 Revolving Credit Facility [Member]	May 31, 2012 Revolving Credit Facility [Member]	May 04, 2013 Term Loan Facility [Member]	May 16, 2012 Term Loan Facility [Member]	May 04, 2013 Term Loan Facility [Member] Revolving Credit Facility [Member]	May 04, 2013 Prime Rate [Member] Excess Availability Greater Than Or Equal To 75% [Member] Revolving Credit Facility [Member]	May 04, 2013 Prime Rate [Member] Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member] Revolving Credit Facility [Member]	May 04, 2013 Prime Rate [Member] Excess Availability Less Than 33% [Member] Revolving Credit Facility [Member]	May 04, 2013 LIBOR Plus [Member] Excess Availability Greater Than Or Equal To 75% [Member] Revolving Credit Facility [Member]	May 04, 2013 LIBOR Plus [Member] Excess Availability Less Than 33% [Member] Revolving Credit Facility [Member]	May 04, 2013 Minimum [Member] Prime Rate [Member] Excess Availability Greater Than Or Equal To 75% [Member] Revolving Credit Facility [Member]	May 04, 2013 Minimum [Member] Prime Rate [Member] Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member] Revolving Credit Facility [Member]	May 04, 2013 Minimum [Member] LIBOR Plus [Member] Excess Availability Greater Than Or Equal To 75% [Member] Revolving Credit Facility [Member]	May 04, 2013 Minimum [Member] LIBOR Plus [Member] Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member] Revolving Credit Facility [Member]	May 04, 2013 Maximum [Member] Prime Rate [Member] Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member] Revolving Credit Facility [Member]	May 04, 2013 Maximum [Member] LIBOR Plus [Member] Excess Availability Less Than 75% But Greater Than Or Equal To 33% [Member] Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Revolving credit facility maximum borrowings	$ 20,000,000
Period prior to expiration of term facility for expiration of revolving line of credit (days)	45 days
Increasing in revolving credit facility	30,000,000
Issuance of letters of credit	5,000,000
Borrowing base percentage (percent)	90.00%
Deferred financing costs incurred in connection with Term Loan Facility		50,000		2,700,000
Interest on borrowings (percent)						0.75%	1.00%	1.25%	1.75%	2.25%
Excess interest on available borrowings (percent)								33.00%			75.00%	33.00%	75.00%	33.00%	75.00%	75.00%
Interest rate (percent)			2.00%		2.00%
Percentage of unused credit facility fee (percent)	0.375%
Servicing fee	12,000
Excess collateral availability percentage (percent)	10.00%
Revolving credit facility collateral amount	3,000,000
Line of credit, amount available	19,400,000
Letters of credit, borrowing capacity	$ 600,000