Income Taxes (Income Of U.S And Foreign Operations Before Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, United States	$ 739.0	$ 555.9	$ 428.5
Income (Loss) from Continuing Operations before Income Taxes, Foreign	840.0	647.2	754.1
Income (Loss) from Equity Method Investments	154.5	151.4	167.8
Income from Continuing Operations before Taxes	$ 1,733.5	$ 1,354.5	$ 1,350.4