Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Aug. 04, 2018	Feb. 03, 2018	Jul. 29, 2017
Accumulated depreciation	$ 1,249.2	$ 1,197.6	$ 1,131.4
Common shares, par value (usd per share)	$ 0.18	$ 0.18	$ 0.18
Common shares, authorized	500,000,000	500,000,000	500,000,000
Common shares, outstanding	51,900,000	60,500,000	60,300,000
Treasury shares, shares	35,300,000	26,700,000	26,900,000
Series A Redeemable Convertible Preferred Stock
Preferred shares, par value (usd per share)		$ 0.01	$ 0.01
Preferred shares, authorized		500,000,000	500,000,000
Preferred shares, outstanding	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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