Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($) $ in Millions	Jun. 30, 2020	Sep. 30, 2019
ASSETS
Valuation allowance for deferred income taxes	$ 13.6	$ 18.7
Preferred Stock, Par or Stated Value Per Share	$ 0.10	$ 0.10
Preferred Stock, Shares Authorized	30,000,000	30,000,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	1,000,000,000	1,000,000,000
Common Stock, Shares, Issued	394,374,575	392,172,821
Common Stock, Shares, Outstanding	363,633,208	368,431,454
EQUITY
Treasury Stock, Shares	30,741,367	23,741,367