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ACQUISITIONS AND PRO FORMA RESULTS (Narrative) (Details) |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 15, 2015 USD ($) | Oct. 02, 2015 USD ($) | Jul. 17, 2015 USD ($) acquisition | Dec. 05, 2014 USD ($) | Oct. 27, 2014 USD ($) | Jan. 15, 2014 USD ($) | Dec. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Sep. 30, 2014 USD ($) | Jun. 30, 2014 USD ($) | Dec. 31, 2016 USD ($) intangible_asset | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain recognized, amount |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 1,111,000 | $ 0
Number of businesses acquired | acquisition |  |  | 2 |  |  |  |  |  |  |  |  |  |  |
TEI acquisition working capital adjustment |  |  |  |  |  |  |  |  |  |  |  | (174,000) |  |
Cash used in business acquisition, net of cash acquired |  |  |  |  |  |  |  |  |  |  |  | $ (225,000) | 328,888,000 | $ 320,921,000
Discount rate |  |  |  |  |  |  |  |  |  |  |  | 2.20% |  |
Contingent consideration, liability |  |  |  |  |  |  | $ 21,831,000 |  |  |  |  | $ 22,036,000 | 21,831,000 |
Supply Commitment, Current, Long-Term, and Above Market |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |
Tekmed |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred | $ 14,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue since acquisition date |  |  |  |  |  |  |  |  |  |  |  | $ 4,200,000 | 300,000 |
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  | 14,103,000 |  |
Salto and Futura |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue since acquisition date |  |  |  |  |  |  |  |  |  |  |  | 14,400,000 | 3,600,000 |
Payments to acquire business |  | $ 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  | 7,111,000 |  |
Salto and Futura | Other Income |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain recognized, amount |  |  |  |  |  |  |  |  |  |  |  |  | 1,100,000 |
TEI |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  | $ 312,200,000 |  |  |  |  |  |  |  |  |  |  |
TEI acquisition working capital adjustment |  |  | 200,000 |  |  |  |  |  |  |  |  |  |  |
Cash used in business acquisition, net of cash acquired |  |  | 312,400,000 |  |  |  |  |  |  |  |  |  |  |
Business combination, cash acquired |  |  | 1,200,000 |  |  |  |  |  |  |  |  |  |  |
Contingent receivable |  |  | 400,000 |  |  |  |  |  |  |  |  | 1,700,000 |  |
Contingent consideration, asset, revenue threshold to realize asset |  |  | $ 6,000,000 |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 11.00% |  |  |  |  |  |  |  |  |  |  |
Increase in fair value of contingent receivable |  |  |  |  |  |  |  |  |  |  |  | 1,300,000 |  |
TEI | Prepaid Expenses and Other Current Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent receivable |  |  |  |  |  |  |  |  |  |  |  | 1,200,000 |  |
TEI | Other Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent receivable |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |
TEI Biosciences Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  | $ 210,900,000 |  |  |  |  |  |  |  |  |  |  |
TEI acquisition working capital adjustment |  |  | 500,000 |  |  |  |  |  |  |  |  |  |  |
TEI Medical Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  | 101,300,000 |  |  |  |  |  |  |  |  |  |  |
TEI acquisition working capital adjustment |  |  | $ 700,000 |  |  |  |  |  |  |  |  |  |  |
Metasurg |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  | $ 27,200,000 |  |  |  |  |  |  |  |  |  |
Payments to acquire business |  |  |  | $ 26,500,000 |  |  |  |  |  |  |  |  |  |
Discount rate |  |  |  | 19.90% |  |  |  |  |  |  |  |  |  |
Contingent consideration, liability |  |  |  | $ 700,000 |  |  | 0 |  |  |  |  |  | $ 0 |
Contingent consideration arrangements, maximum payout |  |  |  | $ 38,500,000.0 |  |  |  |  |  |  |  |  |  |
Payment for contingent consideration liability |  |  |  |  |  |  |  |  |  |  |  | 0 |  |
Adjustment on consideration transferred |  |  |  |  |  |  |  | $ 400,000 |  |  |  |  |  |
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  | 27,558,000 |  |
Metasurg | Selling, general and administrative |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, contingent consideration arrangements, change in amount of contingent consideration, liability |  |  |  |  |  |  | $ (700,000) |  |  |  |  |  |  |
Medtronic MicroFrance |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire business |  |  |  |  | $ 61,600,000 |  |  |  |  |  |  |  |  |
Business combination, cash acquired |  |  |  |  |  |  |  |  |  |  |  | 2,195,000 |  |
Adjustment on consideration transferred |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |
Net assets acquired |  |  |  |  |  |  |  |  |  |  |  | 60,067,000 |  |
Confluent Surgical, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  |  |  |  | 2.20% |  |  |  |  |  |  |  |
Contingent consideration, liability |  |  |  |  |  | $ 20,900,000 |  |  |  |  |  |  |  |
Contingent consideration arrangements, maximum payout |  |  |  |  |  | 30,000,000 |  |  |  |  |  |  |  |
Net assets acquired |  |  |  |  |  | 255,900,000 |  |  |  |  |  | $ 255,895,000 |  |
Payment for business interest |  |  |  |  |  | 231,000,000 |  |  |  |  |  |  |  |
Payments for transitional supply agreement |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |  |  |
Arrangement extension period |  |  |  |  |  | 2 years |  |  |  |  |  |  |  |
Required number of days for extension (at least) |  |  |  |  |  | 180 days |  |  |  |  |  |  |  |
Period of contingent consideration arrangement |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Period of transitional supply price increases |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |
Number of assets impaired | intangible_asset |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Impairment of finite-lived assets |  |  |  |  |  |  |  |  |  | $ 600,000 |  | $ 600,000 |  |
Probability of event |  |  |  |  |  | 95.00% |  |  |  |  |  |  |  |
Incremental increase in liability |  |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  |
Incremental decrease in liability |  |  |  |  |  | 400,000 |  |  |  |  |  |  |  |
Confluent Surgical, Inc. | Deferred Tax Liability |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
TEI acquisition working capital adjustment |  |  |  |  |  |  |  |  |  |  | $ 12,400,000 |  |  |
Confluent Surgical, Inc. | Cash Consideration One |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration arrangements, maximum payout |  |  |  |  |  | 25,000,000 |  |  |  |  |  |  |  |
Confluent Surgical, Inc. | Cash Consideration Two |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration arrangements, maximum payout |  |  |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |

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