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6. Earnings Per Share (Details) (Restricted Stock Units (RSUs) [Member])
6 Months Ended
Aug. 04, 2013
Restricted Stock Units (RSUs) [Member]
 
6. Earnings Per Share (Details) [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award Each RSU entitles the executive to receive one share of the Company's common stock if the executive remains continuously employed with the Company through the end of a three-year service period
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period 3 years