XML 74 R58.htm IDEA: XBRL DOCUMENT
v2.4.0.8

GEOGRAPHIC AND SEGMENT INFORMATION (Details Narratives) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Geographic And Segment Information Details Narratives |  |  |
International sales, percentage | 17.20% | 17.70% | 21.00%

X
- Details
Name: | bvx_DisclosureGeographicAndSegmentInformationDetailsNarrativesAbstract
Namespace Prefix: | bvx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to percentage of international sales during the period. + References No definition available. + Details
Name: | bvx_InternationalSalesPercentage
Namespace Prefix: | bvx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration