Related Parties (Detail) (USD $)	0 Months Ended		3 Months Ended		20 Months Ended			20 Months Ended	36 Months Ended	3 Months Ended		0 Months Ended	3 Months Ended	0 Months Ended
	Sep. 25, 2007	Jun. 13, 2007	Aug. 31, 2014 non-voting_observer Employee director	Aug. 31, 2013 vote	Sep. 05, 2011	Sep. 05, 2007	Jul. 11, 2007	Sep. 05, 2011 Minimum [Member]	Aug. 31, 2014 Maximum [Member]	Aug. 31, 2014 Equity Healthcare [Member]	Aug. 31, 2013 Equity Healthcare [Member]	May 01, 2007 Core Trust Purchasing Group [Member]	Aug. 31, 2014 One Time Merger Fee [Member] Principal Stockholders [Member]	Apr. 22, 2014 Termination Fee [Member] Director [Member]	Apr. 24, 2014 Biomet, Inc. [Member] Parent Company [Member]	Jul. 11, 2007 Senior Secured Term Loan Facility [Member]
Related Party Transaction [Line Items]
Offer price		$ 46.00
Amount of credit agreement																$ 6,165,000,000
Borrowings to finance portion of the Offer and pay related fees and expenses							4,181,000,000
Credit agreement maturity date		2007-07-11
Percentage of outstanding Shares tendered to Purchaser							82.00%
Percentage of shareholders voted to approve the proposed merger						91.00%
Date of acquisition	Sep. 25, 2007
Cumulative ownership after all transactions															97.00%
Percentage of transaction fee on total enterprise value	1.00%
Percentage of annual monitoring fee on Company's annual Adjusted EBITDA			1.00%
Total amount of Sponsor fees			2,600,000	2,400,000
Related Party Transaction, Amounts of Transaction													88,000,000	2,000,000
Number of directors each Sponsor has the right to nominate			2
Number of non-voting observer each Sponsor is entitled to appoint			1
Minimum percentage of membership interests that the sponsors should hold				70.00%
Number of non-affiliate directors each Sponsor may appoint (one or more)			1
Number of votes each director has for purposes of any Board of Directors action				1
Consulting fee					250,000
Out-of-pocket fees and expenses relating to an off-site office and administrative support					100,000			100,000	150,000
Non competition time period following term of agreement			1 year
Amount paid under consulting agreement			0	100,000
Fee per participating employee per month			2
Number of employees enrolled in its health benefit plans			3,200
Payments made to Equity Healthcare										0	0
Term of participation agreement												5 years
Percentage of purchase requirements			80.00%
Total amount of fees paid			0	300,000
Treasury shares acquired			0	0
Employee capital contributions			$ 0	$ 0