CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Net sales:
Products	$ 132,874	$ 127,682	$ 167,036	$ 134,718	$ 171,632	$ 194,613	$ 156,891	$ 154,192	$ 562,310	$ 677,328	$ 601,093
Services	207,902	209,544	201,573	180,078	197,623	176,529	186,939	165,665	799,097	726,756	700,491
Total net sales	340,776	337,226	368,609	314,796	369,255	371,142	343,830	319,857	1,361,407	1,404,084	1,301,584
Costs and expenses:
Products	115,750	91,011	119,145	99,887	121,479	123,072	107,432	114,195	425,793	466,178	418,504
Services	167,851	164,278	153,320	144,071	163,059	153,640	145,696	131,567	629,520	593,962	564,765
Selling, general and administrative expenses	38,837	44,130	41,320	40,943	43,179	42,751	43,039	35,220	165,230	164,189	159,791
Restructuring costs	1,941	114	6,084						8,139
Impairment of goodwill	50,865								50,865
Research and development	5,099	6,426	7,098	5,822	7,327	8,427	8,072	4,896	24,445	28,722	25,260
Amortization of purchased intangibles	4,488	4,362	4,266	3,564	3,471	3,650	3,668	4,039	16,680	14,828	14,681
Total costs and expenses	384,831	310,321	331,233	294,287	338,515	331,540	307,907	289,917	1,320,672	1,267,879	1,183,001
Operating income	(44,055)	26,905	37,376	20,509	30,740	39,602	35,923	29,940	40,735	136,205	118,583
Other income (expenses):
Interest and dividend income	297	530	312	437	571	697	964	762	1,576	2,994	2,568
Interest expense	(980)	(925)	(657)	(865)	(664)	(234)	(344)	(360)	(3,427)	(1,602)	(1,541)
Other income (expense), net	1,651	(813)	(53)	102	271	(950)	122	923	887	366	863
Income before income taxes	(43,087)	25,697	36,978	20,183	30,918	39,115	36,665	31,265	39,771	137,963	120,473
Income taxes	(5,935)	7,292	7,276	5,869	8,951	11,667	10,758	8,956	14,502	40,332	34,119
Net income	(37,152)	18,405	29,702	14,314	21,967	27,448	25,907	22,309	25,269	97,631	86,354
Less noncontrolling interest in income of VIE	34	24	52	73	55	53	51	45	183	204	310
Net income attributable to Cubic	$ (37,186)	$ 18,381	$ 29,650	$ 14,241	$ 21,912	$ 27,395	$ 25,856	$ 22,264	$ 25,086	$ 97,427	$ 86,044
Net Income per share attributable to Cubic:
Basic (in dollars per share)	$ (1.39)	$ 0.69	$ 1.11	$ 0.53	$ 0.82	$ 1.02	$ 0.97	$ 0.83	$ 0.94	$ 3.64	$ 3.22
Diluted (in dollars per share)	$ (1.39)	$ 0.69	$ 1.11	$ 0.53	$ 0.82	$ 1.02	$ 0.97	$ 0.83	$ 0.94	$ 3.64	$ 3.22
Weighted Average shares used in per share calculations:
Basic (in shares)	26,736	26,736	26,736	26,736	26,736	26,736	26,736	26,736	26,736,000	26,736,000	26,736,000
Diluted (in shares)	26,736	26,762	26,736	26,736	26,736	26,736	26,736	26,736	26,760,000	26,736,000	26,736,000