Earnings per Share - Additional Information (Details) - shares	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
Earnings Per Share [Line Items]
Shares of restricted stock outstanding	1,663,067		1,663,067
Unvested performance-based restricted stock
Earnings Per Share [Line Items]
Securities excluded from computation of earnings per share, respective performance targets not yet achieved, amount	933,486	948,190	933,486	948,190
Performance-Based Stock Options and Restricted Stock Awards
Earnings Per Share [Line Items]
Securities excluded from computation of earnings per share, respective performance targets not yet achieved, amount	1,162,047	1,175,971	1,162,047	1,175,971
Stock Options | Minimum
Earnings Per Share [Line Items]
Share-based compensation arrangement, expiration date			Jan. 16, 2016
Stock Options | Maximum
Earnings Per Share [Line Items]
Share-based compensation arrangement, expiration date			Nov. 10, 2024
Unvested time-based restricted stock
Earnings Per Share [Line Items]
Dilutive shares	729,581	948,190	729,581	948,190