Income Taxes - Provision for Income Taxes from Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Provision For Income Taxes [Line Items]
Federal	$ 164,302	$ 168,226	$ 290,071
State and local, including Puerto Rico	9,710	21,441	21,979
Foreign	241,055	210,720	155,808
Total, Current	415,067	400,387	467,858
Domestic	(29,279)	(15,483)	(32,648)
Foreign	(22,908)	32,100	16,687
Total, Deferred	(52,187)	16,617	(15,961)
Total	$ 362,880	$ 417,004	$ 451,897