DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Notional Amounts) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Feb. 01, 2016	Dec. 31, 2015	Aug. 31, 2015
Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount		$ 159,700		$ 332,000
Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount				$ 170,000
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional Amount	$ 23,950		$ 21,250
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount	88,700		107,200
Designated as Hedging Instrument | Cash Flow Hedging | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	350,000		350,000
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount	0		331,588
Not Designated as Hedging Instrument | Interest rate swaps
Derivatives, Fair Value [Line Items]
Notional Amount	$ 0		$ 130,169