Equity - Schedule of Common Stock Share Activity (Details) - USD ($)	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance - Shares Issued (in shares)	220,000	220,000	220,000
Beginning balance - Shares Outstanding (in shares)	220,000
Beginning balance - Shares Issued (in shares)	210,906,052
Ending balance - Shares Issued (in shares)	0	220,000	220,000
Ending balance - Shares Outstanding (in shares)	0	220,000
Ending balance - Shares Issued (in shares)	216,124,332	210,906,052
Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance - Shares Outstanding (in shares)	220,000	220,000	220,000
Settlement of Equity Units - Shares Issued/Outstanding	$ (220,000)
Ending balance - Shares Issued (in shares)	0
Ending balance - Shares Outstanding (in shares)	0	220,000	220,000
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance - Shares Issued (in shares)	210,906,052	210,560,494	209,843,296
Beginning balance - Shares Outstanding (in shares)	209,495,083	209,582,212	209,216,135
Settlement of Equity Units - Shares Issued/Outstanding	$ 5,054,030
Settlement of Equity Units - Shares Outstanding (in shares)	5,054,030
Employee and director plans - Shares Issued/Treasury (in shares)	164,250	345,558	717,198
Employee and director plans - Shares Outstanding (in shares)	136,499	512,871	1,516,350
Repurchases of common stock - Shares Treasury/Outstanding (in shares)		(600,000)	(900,000)
Reacquired common stock – employee and director plans (in shares)			(250,273)
Ending balance - Shares Issued (in shares)	216,124,332	210,906,052	210,560,494
Ending balance - Shares Outstanding (in shares)	214,685,612	209,495,083	209,582,212
Common Stock | Treasury stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance - Treasury Shares (in shares)	(1,410,969)	(978,282)	(627,161)
Employee and director plans - Shares Issued/Treasury (in shares)	(27,751)	167,313	799,152
Repurchases of common stock - Shares Treasury/Outstanding (in shares)		(600,000)	(900,000)
Reacquired common stock – employee and director plans (in shares)			(250,273)
Ending balance - Treasury Shares (in shares)	(1,438,720)	(1,410,969)	(978,282)