CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 8,214	$ 20,344	$ (60,672)	$ (1,039)
Other comprehensive income (loss):
Foreign currency translation	8,115	(1,900)	690	(2,256)
Change in unrealized gains/losses from cash flow hedges:
Change in fair value of cash flow hedges, net of tax	(13,741)	(483)	(13,868)	98
Adjustment for net gains/losses realized and included in net income, net of tax	(1,572)	69	(2,486)	331
Total change in unrealized gains/losses realized from cash flow hedges, net of tax	(15,313)	(414)	(16,354)	429
Total other comprehensive loss	(7,198)	(2,314)	(15,664)	(1,827)
Total comprehensive income (loss)	1,016	18,030	(76,336)	(2,866)
Noncontrolling interest in comprehensive income (loss) of consolidated VIE, net of tax	9,369	(3,566)	181	(8,970)
Comprehensive income (loss) attributable to Cubic, net of tax	$ (8,353)	$ 21,596	$ (76,517)	$ 6,104