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Summary of Stock Option Activity (Detail)
shares in Thousands
3 Months Ended
May 02, 2020
$ / shares
shares
Options  
Outstanding - beginning of period | shares 2,584
Granted | shares 932
Outstanding - end of period | shares 3,516
Vested and expected to vest - end of period | shares 2,810
Exercisable - end of period | shares 1,797 [1]
Weighted-Average Exercise Price  
Outstanding - beginning of period | $ / shares $ 18.18
Granted | $ / shares 8.62
Outstanding - end of period | $ / shares 15.65
Vested and expected to vest - end of period | $ / shares 16.11
Exercisable - end of period | $ / shares $ 17.08 [1]
Weighted-Average Remaining Contractual Term (In years)  
Outstanding - end of period 5 years 2 months 12 days
Vested and expected to vest - end of period 4 years
Exercisable - end of period 2 years 2 months 12 days [1]
[1] The Company’s stock price was below the exercise price for all outstanding awards as of May 2, 2020.