Earnings Per Share - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Equity [Line Items]
Anti dilutive shares	231,000		273,000
Shares of restricted stock issued			2,229,364
Stock Options
Equity [Line Items]
Anti dilutive shares	2,077,000	1,702,000	2,323,000	1,702,000
Stock Options | Minimum
Equity [Line Items]
Share-based compensation arrangement, expiration date			Oct. 27, 2013
Stock Options | Maximum
Equity [Line Items]
Share-based compensation arrangement, expiration date			Jun. 28, 2023
Unvested performance-based restricted stock
Equity [Line Items]
Securities excluded from computation of earnings per share, respective performance targets not yet achieved, amount	1,114,682		1,114,682
Performance-based stock options
Equity [Line Items]
Securities excluded from computation of earnings per share, respective performance targets not yet achieved, amount	1,368,272		1,368,272
Unvested time-based restricted stock
Equity [Line Items]
Anti dilutive shares	1,114,682		1,114,682