XML 22 R29.htm IDEA: XBRL DOCUMENT v3.3.1.900
Earnings Per Share - Additional Information (Detail) - shares
3 Months Ended 9 Months Ended
Nov. 01, 2015
Nov. 02, 2014
Nov. 01, 2015
Nov. 02, 2014
Earnings Per Share [Line Items]        
Anti-dilutive stock-based awards excluded from the computation of diluted earnings per share 0 0 0 0