XML 29 R15.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Details) (USD $)
3 Months Ended 6 Months Ended
Jul. 28, 2012
Jul. 30, 2011
Jul. 28, 2012
Jul. 30, 2011
Income Taxes (Textual) [Abstract]        
Effective income tax rate (49.70%) (19.70%) (94.80%) 40.60%
Federal and state employment tax credits received $ 400,000