Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jul. 30, 2017	Jan. 29, 2017	Jul. 31, 2016
Current Assets:
Allowance for doubtful accounts	$ 18.5	$ 15.0	$ 15.4
Other Assets:
Other assets, deferred taxes	24.4	17.4	11.4
Liabilities:
Other liabilities, deferred taxes	$ 842.4	$ 877.7	$ 872.5
Stockholders' Equity:
Common stock, par value (in dollars per share)	$ 1	$ 1	$ 1
Common stock, shares authorized (in shares)	240,000,000	240,000,000	240,000,000
Common stock, shares issued (in shares)	84,268,459	83,923,184	83,872,364
Preferred stock, par value (in dollars per share)	$ 100	$ 100	$ 100
Preferred stock, shares authorized (in shares)	150,000	150,000	150,000
Shares of common stock held in treasury, at cost (in shares)	6,694,076	5,371,660	3,540,949