CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income (loss)	$ 39,883	$ 12,036	$ (11,209)
Other comprehensive income (loss):
Adjustment to pension liability, net of tax	(19,481)	5,540	13,180
Foreign currency translation	(11,286)	(8,126)	1,440
Change in unrealized gains/losses from cash flow hedges:
Change in fair value of cash flow hedges, net of tax	3,103	34	(1,071)
Adjustment for net gains/losses realized and included in net income, net of tax	(1,386)	929	(358)
Total change in unrealized gains/losses realized from cash flow hedges, net of tax	1,717	963	(1,429)
Total other comprehensive income (loss)	(29,050)	(1,623)	13,191
Total comprehensive income	10,833	10,413	1,982
Noncontrolling interest in comprehensive loss of consolidated VIE, net of tax	(9,811)	(274)
Comprehensive income attributable to Cubic, net of tax	$ 20,644	$ 10,687	$ 1,982