Purchased Intangible Assets (Schedule of Current Finite-Lived Intangible Asset Amortization Expense by Income Statement Line Item) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Schedule of Current Intangible Asset Amortization Expense By Income Statement Line Item [Line Items]
Amortization of intangibles	$ 368	$ 398	$ 1,186	$ 1,191
Cost of sales
Schedule of Current Intangible Asset Amortization Expense By Income Statement Line Item [Line Items]
Amortization of intangibles	191	222	656	647
Operating expenses
Schedule of Current Intangible Asset Amortization Expense By Income Statement Line Item [Line Items]
Amortization of intangibles	$ 177	$ 176	$ 530	$ 544