Equity and Incentive Compensation Plans - Summary of Stock Option Activity (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 13.73	$ 12.47	$ 13.20
Options, Outstanding, Weighted Average Remaining Contractual Term	5 years 1 month 6 days	5 years 10 months 24 days
Exercisable, Weighted Average Remaining Contractual Term	4 years 2 months 12 days
Expected to Vest, Weighted Average Remaining Contractual Term	8 years 2 months 12 days
Outstanding, Intrinsic Value	$ 14.4
Exercisable, Intrinsic Value	12.6
Expected to Vest, Intrinsic Value	1.5
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Cost	3.4
Weighted Average Period Of Recognition	1.6
Options, Exercises in Period, Intrinsic Value	$ 7.3	$ 26.1	$ 13.3