Shareholders' Equity - Stock Based Compensation - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	May 04, 2013	Feb. 02, 2013 OptionPlan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock-based incentive plans		2
Period in which stock option expires under condition	3 months
Stock-based awards vesting period	1 year
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option expiration conditions	Expire in seven to ten years or three months after termination of employment with the Company
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum term of options and stock appreciation rights under the Performance Plan	4 years
Period in which stock option expires under condition one	10 years
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum term of options and stock appreciation rights under the Performance Plan	3 years
Period in which stock option expires under condition one	7 years
Performance Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares of the Company's common stock that was available for award grants under the Performance Plan	2.5
Termination date of the Performance Plan		Mar. 22, 2015
Performance Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum term of options and stock appreciation rights under the Performance Plan	10 years