Document and Entity Information	3 Months Ended
	Aug. 31, 2012	Sep. 30, 2012
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Aug. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Entity Registrant Name	BIOMET INC
Entity Central Index Key	0000351346
Current Fiscal Year End Date	--05-31
Entity Filer Category	Non-accelerated Filer
LVB Acquisition, Inc. [Member]
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Aug. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Entity Registrant Name	LVB Acquisition, Inc.
Entity Central Index Key	0001402366
Current Fiscal Year End Date	--05-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		552,361,917
Biomet, Inc.[Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		1,000