Document and Entity Information - shares	3 Months Ended
	Dec. 31, 2015	Jan. 22, 2016
Document and Entity Information
Entity Registrant Name	CUBIC CORP /DE/
Entity Central Index Key	0000026076
Document Type	10-Q
Document Period End Date	Dec. 31, 2015
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		26,972,270
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q1