Summary of Stock Option Activity (Detail) - Aug. 01, 2015 - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		Total
Options
Outstanding - beginning of period		2,390
Exercised	[1]	(403)
Cancelled		(720)
Outstanding- end of period		1,267
Vested and expected to vest-end of period		1,261
Exercisable-end of period	[2]	1,170
Weighted-Average Exercise Price
Outstanding-beginning of period		$ 16.28
Exercised	[1]	15.80
Cancelled		19.38
Outstanding-end of period		14.67
Vested and expected to vest-end of period		14.67
Exercisable-end of period	[2]	$ 14.62
Weighted-Average Remaining Contractual Term (In years)
Outstanding-end of period		2 years 7 months 6 days
Vested and expected to vest-end of period		2 years 7 months 6 days
Exercisable-end of period	[2]	2 years 4 months 24 days
Aggregate Intrinsic Value
Outstanding-end of period		$ 3,931
Vested and expected to vest-end of period		3,910
Exercisable-end of period	[2]	$ 3,658

[1] Options exercised during the 26 weeks ended August 1, 2015 had exercise prices ranging from $8.09 to $16.49.

[2] Options exercisable represent "in-the-money" vested options based upon the weighted-average exercise price of vested options compared to the Company's stock price at August 1, 2015.