CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Operating Activities:
Net loss	$ (52,301)	$ (10,769)	$ (68,886)	$ (21,383)
Net income (loss) from discontinued operations	(129)	1,339	455	1,339
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	23,414	17,587	40,364	33,598
Share-based compensation expense	5,382	3,638	9,859	6,358
Change in fair value of contingent consideration	(1,473)	241	(4,478)	670
Deferred income taxes	2,909	(5,825)	2,909	(5,825)
Loss on extinguishment of debt	16,090		16,090	0
Other items	13		4,308
Changes in operating assets and liabilities, net of effects from acquisitions:	(36,281)	(28,754)	(86,222)	(98,467)
NET CASH USED IN OPERATING ACTIVITIES FROM CONTINUING OPERATIONS	(26,557)	(22,543)	(74,119)	(83,710)
NET CASH PROVIDED BY OPERATING ACTIVITIES FROM DISCONTINUED OPERATIONS	129		85
NET CASH USED IN OPERATING ACTIVITIES	(26,428)	(22,543)	(74,034)	(83,710)
Investing Activities:
Acquisition of businesses, net of cash acquired	(234,538)	(148,704)	(234,538)	(395,854)
Purchases of property, plant and equipment	(13,478)	(10,132)	(25,311)	(22,177)
Receipt of withheld proceeds from sale of trade receivables			5,521
NET CASH USED IN INVESTING ACTIVITIES	(248,016)	(158,836)	(254,328)	(418,031)
Financing Activities:
Proceeds from short-term borrowings	727,000	242,500	884,500	614,500
Principal payments on short-term borrowings	(616,500)	(98,000)	(743,000)	(405,500)
Principal payments on long-term debt	(199,833)		(199,833)
Debt extinguishment make whole payment	(15,856)		(15,856)
Deferred financing fees	(2,517)		(2,517)
Proceeds from stock issued under employee stock purchase plan		783	1,169	783
Purchase of common stock	(39)		(3,660)	(3,419)
Dividends paid	(4,225)	(4,205)	(4,225)	(4,205)
Contingent consideration payments related to acquisitions of businesses		(385)		(820)
Proceeds from equity offering, net				215,832
NET CASH PROVIDED BY FINANCING ACTIVITIES	341,066	150,393	389,800	432,669
Effect of exchange rates on cash	(11,224)	(622)	(7,203)	1,340
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	55,398	(31,608)	54,235	(67,732)
Cash, cash equivalents and restricted cash at the beginning of the period	94,458	103,484	95,621	139,608
CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT THE END OF THE PERIOD	149,856	71,876	149,856	71,876
PIXIA Corp
Supplemental disclosure of non-cash investing and financing activities:
Receivable recognized in connection with the acquisition of net	1,214		1,214
Delerrok Inc.
Supplemental disclosure of non-cash investing and financing activities:
Contingent consideration liability incurred with the acquisition	1,600		1,600
Trafficware
Supplemental disclosure of non-cash investing and financing activities:
Receivable recognized in connection with the acquisition of net				1,588
Gridsmart
Supplemental disclosure of non-cash investing and financing activities:
Receivable recognized in connection with the acquisition of net		442		442
Nuvotronics
Adjustments to reconcile net loss to net cash used in operating activities:
Change in fair value of contingent consideration			(4,200)
Supplemental disclosure of non-cash investing and financing activities:
Receivable recognized in connection with the acquisition of net		166		166
Contingent consideration liability incurred with the acquisition		4,900		4,900
Cubic Corporation Excluding VIE
Financing Activities:
Proceeds from long-term borrowings	450,000		450,000
OpCo.
Adjustments to reconcile net loss to net cash used in operating activities:
Change in fair value of interest rate swap in VIE	15,819		11,482
Financing Activities:
Proceeds from long-term borrowings	$ 3,036	$ 9,700	$ 23,222	$ 15,498