Equity Awards - Summary of Stock Option Activity (Detail) (Stock options [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Outstanding, Beginning Balance	691	820	888
Stock Options, Granted	31	47	55
Stock Options, Exercised	(397)	(152)	(74)
Stock Options, Forfeited	(74)	(24)	(49)
Stock Options, Outstanding, Ending Balance	251	691	820
Grant Date Weighted-Average Exercise Price, Outstanding, Beginning Balance	$ 19.86	$ 17.62	$ 16.18
Stock Options, Exercisable, Ending Balance	180
Grant Date Weighted-Average Exercise Price, Granted	$ 25.49	$ 24.81	$ 31.79
Stock Options, Vested or expected to vest, Ending Balance	220
Grant Date Weighted-Average Exercise Price, Exercised	$ 14.82	$ 6.64	$ 8.53
Grant Date Weighted-Average Exercise Price, Forfeited	$ 32.63	$ 35.96	$ 20.91
Grant Date Weighted-Average Exercise Price, Outstanding, Ending Balance	$ 24.76	$ 19.86	$ 17.62
Grant Date Weighted-Average Exercise Price, Exercisable, Ending Balance	$ 24.14
Grant Date Weighted-Average Exercise Price, Vested or expected to vest, Ending Balance	$ 24.27
Weighted-Average Remaining Contractual Life (in Years), Outstanding, Ending Balance	4 years 4 months 24 days
Weighted-Average Remaining Contractual Life (in Years), Exercisable, Ending Balance	2 years 10 months 24 days
Weighted-Average Remaining Contractual Life (in Years), Vested or Expected to Vest, Ending Balance	4 years
Intrinsic Value, Outstanding, Ending Balance	$ 3,154
Intrinsic Value, Exercisable, Ending Balance	2,387
Intrinsic Value, Vested or expected to vest	$ 3,153