XML 98 R80.htm IDEA: XBRL DOCUMENT v3.7.0.1
Net Income Per Share - Weighted Average Shares (Detail) - shares
shares in Thousands
3 Months Ended 12 Months Ended
Apr. 30, 2017
Jan. 29, 2017
Oct. 30, 2016
Jul. 31, 2016
May 01, 2016
Jan. 31, 2016
Nov. 01, 2015
Aug. 02, 2015
Apr. 30, 2017
May 01, 2016
May 03, 2015
Earnings Per Share [Abstract]                      
weighted-average common shares outstanding, basic 12,340 12,313 12,308 12,286 12,257 12,331 12,343 12,277 12,312 12,302 12,217
dilutive effect of stock-based compensation                 206 173 205
weighted-average common shares outstanding, diluted 12,567 12,544 12,507 12,463 12,434 12,486 12,484 12,456 12,518 12,475 12,422