Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Jul. 30, 2022	Jan. 29, 2022	Jul. 31, 2021
Accumulated depreciation	$ 1,284.9	$ 1,248.9	$ 1,241.3
Common shares, par value (usd per share)	$ 0.18	$ 0.18	$ 0.18
Common shares, authorized (shares)	500,000,000	500,000,000	500,000,000
Common shares, outstanding (shares)	46,200,000	49,900,000	53,000,000.0
Treasury shares, shares (shares)	23,800,000	20,100,000	17,000,000.0
Series A Redeemable Convertible Preferred Stock
Preferred shares, par value (usd per share)	$ 0.01	$ 0.01	$ 0.01
Preferred shares, authorized (shares)	500,000,000	500,000,000	500,000,000
Preferred shares, outstanding (shares)	625,000	625,000	625,000

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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