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BUSINESS ACQUISITIONS - Schedule of Contingent Consideration (Details) (Level 3, Cash Consideration One, USD $) In Thousands, unless otherwise specified |  |  |  | 3 Months Ended
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Mar. 31, 2014 | Jan. 15, 2014 | Dec. 31, 2013 | Mar. 31, 2014 Selling, General and Administrative Expenses
Business Acquisition, Contingent Consideration [Roll Forward] |  |  |  |
Balance as of January 1, 2014 | $ 22,250 |  | $ 1,227 |
Contingent consideration from Confluent Surgical acquisition |  | 20,895 |  |
Loss from increase in fair value of contingent consideration liability |  |  |  | 128
Fair value at March 31, 2014 | $ 22,250 |  | $ 1,227 |

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- Definition Amount of (increase) decrease in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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