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ACQUISITIONS, DIVESTITURE AND PRO FORMA RESULTS (Narrative) (Details) $ in Thousands |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 25, 2017 USD ($) | Feb. 24, 2017 USD ($) | Feb. 23, 2017 USD ($) | Feb. 14, 2017 USD ($) | Aug. 31, 2017 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Jun. 30, 2018 USD ($) | Sep. 30, 2018 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Oct. 06, 2017 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for contingent consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 38,196 | $ 4,661 | $ 0 |
Cost of good sold related to fair value inventory purchase accounting adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 571,496 | 435,511 | 349,089 |
Realized loss, included in other income, net |  |  |  |  |  |  |  |  |  |  |  | $ 2,300 |  |  |  |  |  |  |
Deferred tax assets, other |  |  |  |  |  | $ 8,835 |  |  |  | $ 3,077 |  |  |  |  |  | 8,835 | 3,077 |  |
Change in fair value of contingent consideration and others |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,214 | (4,710) | (13) |
Net income |  |  |  |  |  | 25,138 | $ 13,295 | $ 11,376 | $ 10,992 | 44,355 | $ 3,159 | 10,835 | $ 6,394 |  |  | $ 60,801 | 64,743 | $ 74,564 |
BioD Morselized Amniotic Membrane Based Products | Product Concentration Risk |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from product, percentage (less than) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |
Codman Specialty Surgical |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price received |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 46,400
Assets provided upon termination of transitional supply agreement liability |  |  |  |  |  |  |  |  |  | 1,300 |  |  |  |  |  |  | 1,300 |  |
Codman Specialty Surgical | Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of business, included in other income, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,600 |  |
Interest Expense, Intangible Asset Amortization, and External Expenses Related to Acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,900 |  |
Interest Expense, Intangible Asset Amortization, and External Expenses Related to Acquisition | Derma Sciences |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  | $ 2,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Codman |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  | $ 1,014,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amounts accrued for ancillary and service agreement |  |  |  |  |  | 22,800 |  |  |  | 25,400 |  |  |  |  |  | $ 22,800 | 25,400 |  |
Revenue since acquisition date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 312,500 | 76,900 |  |
Cash received from working capital adjustment related to business acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,700 |  |  |
Purchase price adjustment |  |  |  |  |  |  | (800) |  |  |  |  |  |  | $ 3,200 |  | 3,964 |  |  |
Purchase price, working capital adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,200 |  |  |  |  |
Purchase price, inventory adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,000 |  |  |  |  |
Purchase price, property, plant and equipment adjustment |  |  |  |  |  |  | 5,500 |  |  |  |  |  |  |  |  |  |  |  |
Payment for contingent consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,900 |  |  |  |
Write off of construction in progress |  |  |  |  |  |  |  |  |  | 6,300 |  |  |  |  |  |  |  |  |
Codman | Fair Value Adjustment to Inventory |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of good sold related to fair value inventory purchase accounting adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,300 |  |  |
Codman | Completed technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price, intangible asset adjustment |  |  |  |  |  |  | $ 4,700 |  |  |  |  |  |  |  |  |  |  |  |
Derma Sciences |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  | $ 210,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment of closing expenses |  | 4,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment of stock plan settlement |  | 4,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire business |  | 201,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred taxes |  | $ 14,524 |  |  |  | 14,500 |  |  |  |  |  |  |  |  |  | 14,500 |  |  |
Deferred tax assets, operating loss carryforwards |  |  |  |  |  | 39,700 |  |  |  |  |  |  |  |  |  | 39,700 |  |  |
Deferred tax assets, goodwill and intangible assets |  |  |  |  |  | 16,400 |  |  |  |  |  |  |  |  |  | 16,400 |  |  |
Deferred tax liabilities, intangible assets |  |  |  |  |  | 41,100 |  |  |  |  |  |  |  |  |  | 41,100 |  |  |
Deferred tax assets, other |  |  |  |  |  | 500 |  |  |  |  |  |  |  |  |  | 500 |  |  |
Adjustment, deferred tax assets |  |  |  |  |  |  |  |  |  | 3,300 |  | 1,500 |  |  |  |  | 3,300 |  |
Derma Sciences | BioD Earnout Payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for contingent consideration |  |  |  |  | $ 4,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue volatility |  | 13.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration arrangements, maximum payout |  | $ 26,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration, liability |  | 9,100 |  |  |  |  |  |  |  | 300 |  |  |  |  |  |  | 300 |  |
Derma Sciences | Product Payment Contingent Consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration arrangements, maximum payout |  | 29,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration, liability |  | $ 26,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product payment probability rate |  | 98.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in fair value of contingent consideration and others |  |  |  |  |  |  |  |  |  |  |  | $ 900 |  |  |  |  |  |  |
Payment for contingent consideration liability | $ 26,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derma Sciences | Medihoney Earnout Payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment for contingent consideration |  |  |  |  |  |  |  | $ 2,000 |  |  |  |  |  |  |  |  |  |  |
Revenue volatility |  | 27.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration arrangements, maximum payout |  | $ 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration, liability |  | $ 1,400 |  |  |  | $ 200 |  |  |  | $ 1,400 |  |  |  |  |  | $ 200 | $ 1,400 |  |
Derma Sciences | Measurement Input, Discount Rate | BioD Earnout Payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  | 0.030 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derma Sciences | Measurement Input, Discount Rate | Product Payment Contingent Consideration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  | 0.025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derma Sciences | Measurement Input, Discount Rate | Medihoney Earnout Payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  | 0.045 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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