CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net loss	$ (16,585)	$ (10,614)
Other comprehensive income (loss):
Foreign currency translation	10,480	(3,318)
Change in unrealized gains/losses from cash flow hedges:
Change in fair value of cash flow hedges, net of tax	(1,185)	1,343
Adjustment for net gains/losses realized and included in net income, net of tax	49	(24)
Total change in unrealized gains/losses realized from cash flow hedges, net of tax	(1,136)	1,319
Total other comprehensive income (loss)	9,344	(1,999)
Total comprehensive loss	(7,241)	(12,613)
Noncontrolling interest in comprehensive income (loss) of consolidated VIE, net of tax	3,990	(4,027)
Comprehensive loss attributable to Cubic, net of tax	$ (11,231)	$ (8,586)