Income Taxes (Details 1)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Effective Tax Rate Reconciliation
Statutory tax rate	35.00%	35.00%	35.00%
State and local income taxes	0.90%	0.80%	0.90%
Non-United States taxes	(7.90%)	(9.50%)	(9.60%)
Tax effect of foreign dividends	(0.20%)	0.50%	0.80%
Employee stock ownership plan benefit	(0.20%)	(0.20%)	(0.20%)
Change in valuation allowances	(0.50%)	(0.10%)	(0.40%)
Domestic manufacturing deduction	(1.20%)	(1.10%)	(1.10%)
Adjustments for prior period tax matters	0.50%	1.00%	(2.00%)
Other	0.20%	0.70%	(0.50%)
Effective income tax rate	26.60%	27.10%	22.90%