Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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Fixed interest rate related to the interest rate derivative.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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DERIVATIVE INSTRUMENTS - Schedule of Cross Currency Swap Derivatives (Details)	Mar. 31, 2018 CHF (SFr)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Oct. 02, 2017 CHF (SFr)	Oct. 02, 2017 USD ($)
Codman \| Cross-currency swap \| Long
Derivative [Line Items]
Aggregate Notional Amount \| SFr				SFr 291,200,000
Codman \| Cross-currency swap \| Short
Derivative [Line Items]
Aggregate Notional Amount					$ 300,000,000.0
Cash Flow Hedging \| Designated as Hedging Instrument
Derivative [Line Items]
Aggregate Notional Amount		$ 1,050,000,000	$ 1,100,000,000.0
Cash Flow Hedging \| Designated as Hedging Instrument \| Codman \| Cross-currency swap
Derivative [Line Items]
Fair Value Liability		(12,908,000)
Cash Flow Hedging \| Swap One \| Designated as Hedging Instrument \| Codman \| Cross-currency swap
Derivative [Line Items]
Fair Value Liability		$ (3,694,000)
Cash Flow Hedging \| Swap One \| Designated as Hedging Instrument \| Codman \| Cross-currency swap \| Long
Derivative [Line Items]
Fixed Rate	1.75%	1.75%
Aggregate Notional Amount \| SFr	SFr 97,065,000
Cash Flow Hedging \| Swap One \| Designated as Hedging Instrument \| Codman \| Cross-currency swap \| Short
Derivative [Line Items]
Fixed Rate	4.38%	4.38%
Aggregate Notional Amount		$ 100,000,000
Cash Flow Hedging \| Swap Two \| Designated as Hedging Instrument \| Codman \| Cross-currency swap
Derivative [Line Items]
Fair Value Liability		$ (2,123,000)
Cash Flow Hedging \| Swap Two \| Designated as Hedging Instrument \| Codman \| Cross-currency swap \| Long
Derivative [Line Items]
Fixed Rate	1.85%	1.85%
Aggregate Notional Amount \| SFr	SFr 48,533,000
Cash Flow Hedging \| Swap Two \| Designated as Hedging Instrument \| Codman \| Cross-currency swap \| Short
Derivative [Line Items]
Fixed Rate	4.46%	4.46%
Aggregate Notional Amount		$ 50,000,000
Cash Flow Hedging \| Swap Three \| Designated as Hedging Instrument \| Codman \| Cross-currency swap
Derivative [Line Items]
Fair Value Liability		$ (7,091,000)
Cash Flow Hedging \| Swap Three \| Designated as Hedging Instrument \| Codman \| Cross-currency swap \| Long
Derivative [Line Items]
Fixed Rate	1.95%	1.95%
Aggregate Notional Amount \| SFr	SFr 145,598,000
Cash Flow Hedging \| Swap Three \| Designated as Hedging Instrument \| Codman \| Cross-currency swap \| Short
Derivative [Line Items]
Fixed Rate	4.52%	4.52%
Aggregate Notional Amount		$ 150,000,000