Document and Entity Information	6 Months Ended
	Jan. 31, 2013	Mar. 05, 2013
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jan. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Trading Symbol	LTXC
Entity Registrant Name	LTX-CREDENCE CORP
Entity Central Index Key	0000357020
Current Fiscal Year End Date	--07-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		47,549,642