Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2025	Sep. 30, 2024
Statement of Financial Position [Abstract]
Deferred Tax Assets, Valuation Allowance	$ 14.8	$ 14.9
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	403,939,994	402,848,342
Common Stock, Shares, Outstanding	298,945,018	324,027,360
Treasury Stock, Common, Shares	104,994,976	78,820,982