Document And Entity Information	9 Months Ended
	Feb. 28, 2014	Apr. 14, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	IMMUCOR INC
Document Type	10-Q
Current Fiscal Year End Date	--05-31
Entity Common Stock, Shares Outstanding		100
Amendment Flag	false
Entity Central Index Key	0000736822
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Feb. 28, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3