Basis of Presentation Summary of the Error Corrections and Prior Period Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of product revenue	$ 75,679	$ 58,032
Cost of service revenue	27,333	21,369
Total cost of revenue	$ 103,012	79,401
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of product revenue		58,150
Cost of service revenue		21,251
Total cost of revenue		79,401
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of product revenue		(118)
Cost of service revenue		118
Total cost of revenue		$ 0