XML 59 R39.htm IDEA: XBRL DOCUMENT v3.3.1.900
Summary of Significant Accounting Policies - Basis of Presentation (Details)
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Accounting Policies [Abstract]    
Period of Expiration for Customer Loyalty Certificates, High End of Range 12 months 12 months
Reporting Lag for Certain Foreign Operations in Financial Statements 1 month