Nature of Operations and Basis of Presentation (Details)	Jul. 31, 2011	Jan. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of stores	147	133
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of stores	45
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of stores	89
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of stores	13