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DERIVATIVE INSTRUMENTS (Narrative) (Details) SFr in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 28, 2017 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Oct. 02, 2017 USD ($) | Oct. 02, 2017 CHF (SFr)
Derivative [Line Items] |  |  |  |  |  |
Loss reclassified into income |  |  | $ 0 |  |  |
Gain reclassified into income |  |  | 0 |  |  |
Amount estimated to be reclassified to earnings during next twelve months |  | $ 300,000 |  |  |  |
Reclassification from AOCI, foreign currency rate translation, intercompany loan |  | 2,958,000 | 0 | $ (923,000) |  |
Loss recorded to AOCI |  | 3,425,000 | $ (1,871,000) |  |  |
Interest Rate Swap |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Loss reclassified into income |  | 100,000 |  |  |  |
Foreign Currency Forward Contract | Not Designated as Hedging Instrument |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Notional amount | $ 8,900,000.0 |  |  |  |  |
Gain from change in fair value of the contract | $ 100,000 |  |  |  |  |
Derivative fair value |  | 100,000 |  |  |  |
Cross Currency Interest Rate Swap | Codman |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Amount estimated to be reclassified to earnings during next twelve months |  | 7,800,000 |  |  |  |
Reclassification from AOCI, foreign currency rate translation, intercompany loan |  | 1,100,000 |  |  |  |
Gain reclassified into income |  | 1,900,000 |  |  |  |
Cross Currency Interest Rate Swap | Codman | Short |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Notional amount |  |  |  |  | $ 300,000,000.0 |
Cross Currency Interest Rate Swap | Codman | Long |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Notional amount | SFr |  |  |  |  |  | SFr 291.2
Other income (expense) | Cross Currency Interest Rate Swap |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Loss recorded to AOCI |  | 2,070,000 |  |  |  |
Other income (expense) | Cross Currency Interest Rate Swap | Codman |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Loss recorded to AOCI |  | $ 2,100,000 |  |  |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13495-108611 + Details
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