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Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Segment Reporting Information [Line Items] |  |
Net sales | $ 103,948 | $ 95,618
Operating Income (Loss) | 1,757 | 8,007
Cardiovascular Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 99,754 | 91,670
Operating Income (Loss) | 1,628 | 8,338
Endoscopy Segment [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 4,194 | 3,948
Operating Income (Loss) | $ 129 | $ (331)

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- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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