XML 55 R38.htm IDEA: XBRL DOCUMENT v2.4.0.6

Commitments and Contingencies (Details)	Sep. 30, 2012 Complaint
Commitments and Contingencies (Textual) [Abstract]
Number of complaints	9

X

- Details

Name:	bgfv_CommitmentsAndContingenciesTextualAbstract
Namespace Prefix:	bgfv_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The total amount of pending claims pertaining to a loss contingency accrual as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

+ Details

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