Stock and Other Compensation Plans (Details) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]
Stock Based Compensation Expense	$ 25,500,000	$ 17,800,000	$ 19,200,000
Authorized Shares	8,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available	845,139
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Nonvested at beginning of year-Shares	1,052,844	1,262,582	1,264,142
Nonvested at beginning of year-Weighted Average	$ 36.20	$ 32.46	$ 29.56
Granted-Shares	464,438	473,775	532,711
Granted-Weighted Average	$ 45.05	$ 40.48	$ 33.44
Vested-Shares	(524,532)	(657,795)	(494,308)
Vested-Weighted Average	$ 32.67	$ 32.20	$ 26.32
Forfeited-Shares	(4,113)	(25,718)	(39,963)
Forfeited-Weighted Average	$ 39.00	$ 33.42	$ 29.83
Nonvested at end of year-Shares	988,637	1,052,844	1,262,582
Nonvested at end of year-Weighted Average	$ 42.22	$ 36.20	$ 32.46
Unrecognized Compensation Cost	5,300,000
Weighted Average Recognized Period	1 year 7 months 6 days
Fair Value Restricted Stock Vested	17,100,000	21,200,000	13,000,000
Direct Stock Purchse Plan [Abstract]
Minimum Initial Investment for Direct Stock Purchase Plan	1,250
Minimum Continuing Investment for Direct Stock Purchase Plan	25
Annual Maximum Investment for Direct Stock Purchase Plan	$ 100,000