Legal Proceedings - Additional Information (Detail)	Jan. 29, 2011
Legal Proceedings [Line Items]
Number of employees offered to participate in class action	81,888
Number of employees opted class action	5,027

Number of Employees Offered to Participate in Class Action

No definition available.

Name:	fl_NumberOfEmployeesOfferedToParticipateInClassAction
Namespace Prefix:	fl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant