CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net loss	$ (9,786)	$ (2,868)
Other comprehensive income (loss):
Foreign currency translation	(192)	(20,518)
Change in unrealized gains/losses from cash flow hedges:
Change in fair value of cash flow hedges, net of tax	28	466
Adjustment for net gains/losses realized and included in net income, net of tax	503	(865)
Total change in unrealized gains/losses realized from cash flow hedges, net of tax	531	(399)
Total other comprehensive income (loss)	339	(20,917)
Total comprehensive loss	$ (9,447)	$ (23,785)