CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net loss	$ (10,614)	$ (9,786)
Other comprehensive income (loss):
Foreign currency translation	(3,318)	(192)
Change in unrealized gains/losses from cash flow hedges:
Change in fair value of cash flow hedges, net of tax	1,343	28
Adjustment for net gains/losses realized and included in net income, net of tax	(24)	503
Total change in unrealized gains/losses realized from cash flow hedges, net of tax	1,319	531
Total other comprehensive income (loss)	(1,999)	339
Total comprehensive loss	(12,613)	(9,447)
Noncontrolling interest in comprehensive loss of consolidated VIE, net of tax	(4,027)
Comprehensive loss attributable to Cubic, net of tax	$ (8,586)	$ (9,447)