CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net sales:
Net sales	$ 305,259	$ 248,391
Costs and expenses:
Selling, general and administrative expenses	62,986	61,680
Research and development	12,012	11,977
Amortization of purchased intangibles	10,565	7,351
Restructuring costs	1,992	1,495
Total costs and expenses	305,825	260,293
Operating loss	(566)	(11,902)
Other income (expenses):
Interest and dividend income	1,234	482
Interest expense	(4,032)	(2,674)
Other income (expense), net	(4,753)	(78)
Loss from continuing operations before income taxes	(8,117)	(14,172)
Income tax (benefit) provision	2,497	(2,737)
Loss from continuing operations	(10,614)	(11,435)
Net income from discontinued operations		1,649
Net loss	(10,614)	(9,786)
Less noncontrolling interest in loss of VIE	(4,027)
Net loss attributable to Cubic	(6,587)	(9,786)
Amounts attributable to Cubic:
Net loss from continuing operations	(6,587)	(11,435)
Net income from discontinued operations		1,649
Net loss attributable to Cubic	$ (6,587)	$ (9,786)
Basic
Continuing operations attributable to Cubic (in dollars per share)	$ (0.23)	$ (0.42)
Discontinued operations (in dollars per share)		0.06
Basic earnings per share attributable to Cubic (in dollars per share)	(0.23)	(0.36)
Diluted
Continuing operations attributable to Cubic (in dollars per share)	(0.23)	(0.42)
Discontinued operations (in dollars per share)		0.06
Diluted earnings per share attributable to Cubic (in dollars per share)	$ (0.23)	$ (0.36)
Weighted average shares used in per share calculations:
Basic (in shares)	28,492	27,207
Diluted (in shares)	28,492	27,207
Products
Net sales:
Net sales	$ 182,253	$ 131,743
Costs and expenses:
Costs	125,485	91,573
Services
Net sales:
Net sales	123,006	116,648
Costs and expenses:
Costs	$ 92,785	$ 86,217