FINANCIAL INSTRUMENTS AND DERIVATIVES - Narrative (Details) SFr in Millions, ¥ in Billions	6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2015 CHF (SFr)	Jun. 30, 2015 JPY (¥)	Apr. 04, 2011 USD ($)	Feb. 28, 2010 USD ($)
Term Loan Agreement
Derivative [Line Items]
Derivative, Notional Amount | ¥			¥ 12.6
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	$ 480,551,000
Interest Rate Swap | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	2,213,000
Cross Currency Basis Swaps Member | Designated as Hedging Instrument
Derivative [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	9,600,000
Cash Flow Hedging | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	$ 510,582,000
Cash Flow Hedging | Interest Rate Swap | Term Loan Agreement
Derivative [Line Items]
Derivative, Fixed Interest Rate	0.90%	0.90%	0.90%
Cash Flow Hedging | Interest Rate Swap | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Fixed Interest Rate	0.70%	0.70%	0.70%
Derivative, Notional Amount	$ 172,169,000	SFr 65.0
Fair Value Hedging | Interest Rate Swap | Private Placement Notes Member
Derivative [Line Items]
Derivative, Fixed Interest Rate				4.10%
Derivative, Notional Amount				$ 150,000,000.0
Debt Instrument, Face Amount					$ 250,000,000.0
Derivative, Term of Contract	5 years
Fair Value Hedging | Interest Rate Swap | Designated as Hedging Instrument
Derivative [Line Items]
Derivative, Notional Amount	$ 45,000,000