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Consolidated Balance Sheets (Parenthetical) - $ / shares
Feb. 01, 2020
Feb. 02, 2019
Common shares, par value (usd per share) $ 0.18 $ 0.18
Common shares, authorized (in shares) 500,000,000 500,000,000
Common shares, outstanding (in shares) 52,300,000 51,900,000
Treasury shares, shares (in shares) 17,700,000 18,100,000
Series A Redeemable Convertible Preferred Stock    
Preferred shares, par value (usd per share) $ 0.01 $ 0.01
Preferred shares, authorized (in shares) 500,000,000 500,000,000
Preferred shares, outstanding (in shares) 625,000 625,000