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Consolidated Balance Sheets (Parenthetical) (USD $)
Jan. 31, 2015
Feb. 01, 2014
Statement Of Financial Position [Abstract]    
Preferred stock, par value $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized 1,000,000us-gaap_PreferredStockSharesAuthorized 1,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, issued 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Common stock, par value $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 61,560,544us-gaap_CommonStockSharesIssued 61,473,083us-gaap_CommonStockSharesIssued
Treasury stock, shares 10,877,439us-gaap_TreasuryStockShares 10,877,439us-gaap_TreasuryStockShares