Annual report pursuant to Section 13 and 15(d)

Share-based awards - Stock Option Activity (Details)

v3.8.0.1
Share-based awards - Stock Option Activity (Details) - Stock options - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Share-based compensation      
Weighted-average grant date fair value (in dollars per share) $ 69.61 $ 53.02 $ 56.44
Fair value of options vested $ 5,656 $ 5,932 $ 8,236
Intrinsic value of options exercised 29,449 $ 27,468 $ 36,610
Stock options      
Unrecognized compensation expense $ 18,148    
Weighted-average recognition period of unrecognized compensation expense 2 years 6 months    
Number of options      
Beginning of year (in shares) 830 939 1,073
Granted (in shares) 106 110 294
Exercised (in shares) (166) (194) (356)
Forfeited (in shares) (4) (25) (72)
End of year (in shares) 766 830 939
Exercisable at end of year (in shares) 261 280 316
Vested and Expected to vest (in shares) 725 786 890
Weighted average exercise price      
Beginning of year (in dollars per share) $ 120.78 $ 104.58 $ 72.12
Granted (in dollars per share) 279.76 193.64 160.01
Exercised (in dollars per share) 97.44 83.88 55.20
Forfeited (in dollars per share) 120.71 118.97 91.74
End of year (in dollars per share) 147.76 120.78 104.58
Exercisable at end of year (in dollars per share) 81.72 69.69 61.44
Vested and Expected to vest (in dollars per share) $ 145.86 $ 119.32 $ 103.36