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BUSINESS ACQUISITIONS - Narrative (Details) $ in Thousands |  |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jul. 17, 2015 USD ($) acquisition | Dec. 05, 2014 USD ($) | Oct. 27, 2014 USD ($) | Jan. 15, 2014 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquired | acquisition | 2 |  |  |  |  |  |  |
Cash used in business acquisition, net of cash acquired |  |  |  |  |  |  | $ 308,256 | $ 235,000
Impairment of intangible assets |  |  |  |  |  |  | 0 | 600
TEI Biosciences Inc and TEI Medical Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration for acquisition | $ 312,400 |  |  |  |  |  |  |
Cash used in business acquisition, net of cash acquired | 312,400 |  |  |  |  |  |  |
Cash | 1,200 |  |  |  | $ 1,241 |  | 1,241 |
Revenue of acquired company since acquisition |  |  |  |  | 13,200 |  | 13,200 |
Net assets acquired |  |  |  |  | 312,359 |  | 312,359 |
TEI Biosciences Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration for acquisition | 210,400 |  |  |  |  |  |  |
TEI Medical Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration for acquisition | $ 102,000 |  |  |  |  |  |  |
Metasurg |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration for acquisition |  | $ 27,600 |  |  |  |  |  |
Revenue of acquired company since acquisition |  |  |  |  | 1,800 |  | 5,100 |
Adjustment of consideration for acquisition |  | 400 |  |  |  |  | 400 |
Payments for acquisition |  | 26,500 |  |  |  |  |  |
Contingent consideration acquisition |  | 700 |  |  |  |  |  |
Business acquisition, additional cash consideration payable upon completion of milestones |  | $ 38,500 |  |  |  |  |  |
Fair value inputs, discount rate |  | 19.90% |  |  |  |  |  |
Net assets acquired |  |  |  |  | 27,558 |  | 27,558 |
Working capital and purchase price adjustment |  |  |  |  |  |  | 263 |
Medtronic MicroFrance |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  | 2,195 |  | 2,195 |
Revenue of acquired company since acquisition |  |  |  |  | 6,700 |  | 18,800 |
Adjustment of consideration for acquisition |  |  | $ (1,500) |  |  |  | 1,500 |
Payments for acquisition |  |  | 60,100 |  |  |  |  |
Adjustment to goodwill |  |  | $ 800 |  |  |  |  |
Net assets acquired |  |  |  |  | 60,067 |  | 60,067 |
Working capital and purchase price adjustment |  |  |  |  |  |  | (1,069) |
Confluent Surgical, Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Revenue of acquired company since acquisition |  |  |  |  | 20,600 | $ 17,700 | 57,200 | $ 50,100
Contingent consideration acquisition |  |  |  | $ 20,900 |  |  |  |
Business acquisition, additional cash consideration payable upon completion of milestones |  |  |  | $ 30,000 |  |  |  |
Fair value inputs, discount rate |  |  |  | 2.20% |  |  |  |
Net assets acquired |  |  |  | $ 255,895 | $ 255,895 |  | 255,895 |
Payments to acquire business interest |  |  |  | 231,000 |  |  |  |
Payments for transitional supply agreements from acquisition |  |  |  | $ 4,000 |  |  |  |
Contingent liability extension period |  |  |  | 2 years |  |  |  |
Consideration liability, number of required days for extension |  |  |  | 180 days |  |  |  |
Contingent liability, period of consideration arrangement |  |  |  | 5 years |  |  |  |
Contingent liability, period of transitional supply price increases |  |  |  | 3 years |  |  |  |
Impairment of intangible assets |  |  |  |  |  |  | $ 600 |
Fair value input, probability of event |  |  |  | 95.00% |  |  |  |
Incremental increase in contingent liability |  |  |  | $ 300 |  |  |  |
Incremental decrease in contingent liability |  |  |  | 400 |  |  |  |
Confluent Surgical, Inc. | Potential Cash Consideration Fair Value |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisition, additional cash consideration payable upon completion of milestones |  |  |  | 25,000 |  |  |  |
Confluent Surgical, Inc. | Cash Consideration Two |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisition, additional cash consideration payable upon completion of milestones |  |  |  | $ 5,000 |  |  |  |
Deferred Tax Liability | Confluent Surgical, Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Working capital and purchase price adjustment |  |  |  |  |  | $ 12,400 |  |

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