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DERIVATIVE INSTRUMENTS (Narrative) (Details) SFr in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Nov. 28, 2017 USD ($)	Oct. 02, 2017 USD ($)	Oct. 02, 2017 CHF (SFr)
Derivative [Line Items]
Notional amount, matured	$ 150,000,000
Gain (loss) recorded in other income, net	14,865,000	$ 13,400,000	$ 2,958,000
Unrealized derivative (loss) gain arising during period	(13,671,000)	11,709,000	(3,425,000)
Designated as Hedging Instrument
Derivative [Line Items]
Unrealized derivative (loss) gain arising during period	(13,671,000)	11,709,000
Designated as Hedging Instrument | Cash Flow Hedging
Derivative [Line Items]
Notional amount	1,325,000,000	1,475,000,000
Foreign Currency Forward Contract | Not Designated as Hedging Instrument
Derivative [Line Items]
Notional amount				$ 8,900,000
Gain (loss) from change in fair value of the contract		(200,000)	$ 100,000
Cross Currency Interest Rate Swap | Codman
Derivative [Line Items]
Gain (loss) recorded in other income, net	(4,000,000.0)	2,200,000
Unrealized derivative (loss) gain arising during period	9,300,000	9,100,000
Gain reclassified into income	7,000,000.0	7,900,000
Amount estimated to be reclassified to earnings during next twelve months	4,900,000
Cross Currency Interest Rate Swap | Short | Codman
Derivative [Line Items]
Notional amount					$ 300,000,000.0
Cross Currency Interest Rate Swap | Long | Codman
Derivative [Line Items]
Notional amount | SFr						SFr 291.2
Cross Currency Interest Rate Swap | Designated as Hedging Instrument | Net Investment Hedging
Derivative [Line Items]
Notional amount	30,000,000.0
Gain (loss) recorded in other income, net	1,600,000
Gain reclassified into income	9,600,000	2,400,000
Amount estimated to be reclassified to earnings during next twelve months	8,000,000.0
Gain recorded in AOCI, change in fair value	20,500,000	$ 1,700,000
Cross Currency Interest Rate Swap | Designated as Hedging Instrument | Codman | Cash Flow Hedging
Derivative [Line Items]
Notional amount	66,700,000
Gain (loss) recorded in other income, net	$ (400,000)

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