Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Consolidated Statement of Comprehensive Loss [Abstract]
Net income (loss)	$ (3,215)	$ 4,894	$ (4,343)	$ 10,002
Foreign currency translation adjustments	2,849	(1,292)	1,124	722
Comprehensive income (loss)	$ (366)	$ 3,602	$ (3,219)	$ 10,724