COMMON AND PREFERRED STOCK (Details) - $ / shares	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Equity [Abstract]
Common stock, capital shares reserved for future issuance (in shares)	21,600,000
Treasury stock, shares, acquired (in shares)	9,300,000	4,400,000
Treasury shares re-issued (in shares)	1,900,000	2,600,000
Preferred stock, shares authorized (in shares)	5,400,000	5,400,000
Preferred stock, par or stated (in dollars per share)	$ 2.50	$ 2.50
Preferred stock, shares issued (in shares)	0	0