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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Jan. 31, 2015
Feb. 01, 2014
Shareholders' equity:    
Preferred shares - authorized shares (in shares) 2,000us-gaap_PreferredStockSharesAuthorized 2,000us-gaap_PreferredStockSharesAuthorized
Preferred shares - par value (in dollars per share) $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare
Preferred shares - shares issued (in shares) 0us-gaap_PreferredStockSharesIssued 0us-gaap_PreferredStockSharesIssued
Common shares - authorized shares (in shares) 298,000us-gaap_CommonStockSharesAuthorized 298,000us-gaap_CommonStockSharesAuthorized
Common shares - par value (in dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common shares - shares issued (in shares) 117,495us-gaap_CommonStockSharesIssued 117,495us-gaap_CommonStockSharesIssued
Common shares - outstanding shares (in shares) 52,912us-gaap_CommonStockSharesOutstanding 57,548us-gaap_CommonStockSharesOutstanding
Treasury shares - shares (in shares) 64,583us-gaap_TreasuryStockShares 59,947us-gaap_TreasuryStockShares