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Basis of Presentation (Details) (LVB Acquisition, Inc. [Member], USD $)
0 Months Ended 7 Months Ended
Apr. 24, 2014
Nov. 30, 2014
Oct. 03, 2014
Business Acquisition [Line Items]      
Shares eligible to vote on Merger Approval     536,034,330bmet_SubsidiaryorEquityMethodInvesteeCumulativeShareOwnershipPriorToMerger
Shares eligible to vote on Merger Approval as a percentage of outstanding stock     97.00%bmet_SubsidiaryorEquityMethodInvesteeCumulativePercentageOwnershipPriorToMerger
Zimmer [Member]      
Business Acquisition [Line Items]      
Aggregate purchase price $ 13,350,000,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= bmet_LvbAcquisitionIncMember
/ dei_LegalEntityAxis
= bmet_ZimmerMember
   
Cash paid to acquire business 10,350,000,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= bmet_LvbAcquisitionIncMember
/ dei_LegalEntityAxis
= bmet_ZimmerMember
   
Number of shares issued in acquisition 32,704,677us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= bmet_LvbAcquisitionIncMember
/ dei_LegalEntityAxis
= bmet_ZimmerMember
   
Equity interest issued as consideration 3,000,000,000us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
/ us-gaap_BusinessAcquisitionAxis
= bmet_LvbAcquisitionIncMember
/ dei_LegalEntityAxis
= bmet_ZimmerMember
   
Share price $ 91.73us-gaap_BusinessAcquisitionSharePrice
/ us-gaap_BusinessAcquisitionAxis
= bmet_LvbAcquisitionIncMember
/ dei_LegalEntityAxis
= bmet_ZimmerMember
   
Number of consecutive trading days used to determine the basis of share price 5 days    
Repayments of outstanding debt   $ 5,714,700,000us-gaap_RepaymentsOfDebt
/ us-gaap_BusinessAcquisitionAxis
= bmet_LvbAcquisitionIncMember
/ dei_LegalEntityAxis
= bmet_ZimmerMember
 
Days to consummate merger 15 days