Income Tax Expense (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Tax Expense [Line Items]
Effective Income Tax Rate	24.20%	38.70%	29.70%	40.50%
Decrease in effective tax rate	6.80%	2.70%	2.50%	1.00%
Unrecognized Tax Benefits, Income Expenses			$ 200,000
Estimated Effective Income Tax Rate Continuing Operations			33.00%
Unrecognized Tax Benefits, Period Increase (Decrease)			$ (1,694,000)	$ 502,000
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent	2.80%		1.00%	2.10%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent	2.10%		0.80%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent		2.20%		0.80%
Effective Income Tax Rate Reconciliation Foreign Deferred Tax Liability		3.30%		0.50%
Foreign Valuation Allowance [Member]
Income Tax Expense [Line Items]
Increase in effective tax rate				6.10%