CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (UNAUDITED) (Parentheticals) - $ / shares	Jun. 30, 2015	Sep. 30, 2014
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	133,688,179	133,322,909
Common stock, shares outstanding (in shares)	93,982,148	98,404,705
Treasury stock, shares (in shares)	39,706,031	34,918,204