CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 20,344	$ 4,410	$ (1,039)	$ (7,387)
Other comprehensive income (loss):
Foreign currency translation	(1,900)	(10,628)	(2,256)	(7,276)
Change in unrealized gains/losses from cash flow hedges:
Change in fair value of cash flow hedges, net of tax	(483)	640	98	(123)
Adjustment for net gains/losses realized and included in net income, net of tax	69	502	331	1,101
Total change in unrealized gains/losses realized from cash flow hedges, net of tax	(414)	1,142	429	978
Total other comprehensive loss	(2,314)	(9,486)	(1,827)	(6,298)
Total comprehensive income (loss)	18,030	(5,076)	(2,866)	(13,685)
Noncontrolling interest in comprehensive loss of consolidated VIE, net of tax	(3,566)	(1,881)	(8,970)	(1,881)
Comprehensive income (loss) attributable to Cubic, net of tax	$ 21,596	$ (3,195)	$ 6,104	$ (11,804)