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Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares
shares in Thousands
Jul. 29, 2017
Jan. 28, 2017
Shareholders' equity:    
Preferred shares - authorized shares (in shares) 2,000 2,000
Preferred shares - par value (in dollars per share) $ 0.01 $ 0.01
Preferred shares - shares issued (in shares) 0 0
Common shares - authorized shares (in shares) 298,000 298,000
Common shares - par value (in dollars per share) $ 0.01 $ 0.01
Common shares - shares issued (in shares) 117,495 117,495
Common shares - outstanding shares (in shares) 42,205 44,259
Treasury shares - shares (in shares) 75,290 73,236