Quarterly report pursuant to Section 13 or 15(d)

Net Income Per Common Share - Net Income Per Basic and Diluted Share (Detail)

v3.4.0.3
Net Income Per Common Share - Net Income Per Basic and Diluted Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Apr. 30, 2016
May. 02, 2015
Earnings Per Share [Abstract]    
Numerator for diluted net income per share - net income $ 91,976 $ 66,946
Denominator for basic net income per share - weighted-average common shares 63,031 64,180
Dilutive effect of stock options and non-vested stock 304 375
Denominator for diluted net income per share 63,335 64,555
Net income per common share:    
Basic $ 1.46 $ 1.04
Diluted $ 1.45 $ 1.04