Segment Information (Details 4)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Segment Information
Percentage of net sales that were denominated in currencies other than U.S. dollars	35.00%	32.00%	31.00%
Foreign subsidiaries that accounted for the specified percentages of total assets and total liabilities
Total Assets (as a percent)	27.00%	26.00%
Total Liabilities (as a percent)	6.00%	3.00%