Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Income Taxes [Abstract]
U.S. Federal statutory rate	35.00%	35.00%	35.00%
State and local taxes net of Federal tax benefit	(3.50%)	1.30%	0.90%
Lower rates on Foreign operations	(11.10%)	(3.90%)	(1.40%)
Non-taxed equity earnings	(30.30%)	(4.00%)	(2.10%)
Foreign tax credit impact, net	(5.50%)	(1.50%)	(0.50%)
R&D credit	(6.50%)	(0.50%)	(1.00%)
Domestic production activity deduction	(6.00%)	(0.50%)	(0.80%)
Partnership income	10.20%	1.60%	1.20%
Provision to return adjustments	(14.00%)	(0.20%)	0.30%
Meals and entertainment	1.80%	0.30%	0.20%
Change in deferred rate	2.00%	0.70%	(0.40%)
Unremitted/non-indefinitely reinvested earnings	2.10%	0.00%	(0.10%)
Other	(1.40%)	0.30%	0.10%
Effective income tax rate	(27.20%)	28.60%	31.40%