FINANCIAL INSTRUMENTS - Schedule of Outstanding Foreign Currency Forward Contracts (Details) - Foreign exchange contracts $ in Thousands	Mar. 31, 2019 USD ($)
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Derivative notional amount	$ 95,180
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | Japanese yen
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | Euro
Derivative [Line Items]
Derivative notional amount	71,946
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | Korean won
Derivative [Line Items]
Derivative notional amount	23,234
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | British pound sterling
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | Taiwan dollar
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | Swiss franc
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | Chinese renminbi
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | Singapore dollar
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Buy | Derivatives Designated as Hedging Instruments | Indian rupee
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments
Derivative [Line Items]
Derivative notional amount	225,828
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | Japanese yen
Derivative [Line Items]
Derivative notional amount	35,801
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | Euro
Derivative [Line Items]
Derivative notional amount	50,752
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | Korean won
Derivative [Line Items]
Derivative notional amount	23,817
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | British pound sterling
Derivative [Line Items]
Derivative notional amount	39,687
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | Taiwan dollar
Derivative [Line Items]
Derivative notional amount	25,953
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | Swiss franc
Derivative [Line Items]
Derivative notional amount	22,180
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | Chinese renminbi
Derivative [Line Items]
Derivative notional amount	13,213
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | Singapore dollar
Derivative [Line Items]
Derivative notional amount	5,904
Foreign currency forward contracts | Buy | Derivatives not designated as hedging instruments | Indian rupee
Derivative [Line Items]
Derivative notional amount	8,521
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments
Derivative [Line Items]
Derivative notional amount	171,192
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | Japanese yen
Derivative [Line Items]
Derivative notional amount	171,192
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | Euro
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | Korean won
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | British pound sterling
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | Taiwan dollar
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | Swiss franc
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | Chinese renminbi
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | Singapore dollar
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives Designated as Hedging Instruments | Indian rupee
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments
Derivative [Line Items]
Derivative notional amount	129,820
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | Japanese yen
Derivative [Line Items]
Derivative notional amount	129,820
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | Euro
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | Korean won
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | British pound sterling
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | Taiwan dollar
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | Swiss franc
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | Chinese renminbi
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | Singapore dollar
Derivative [Line Items]
Derivative notional amount	0
Foreign currency forward contracts | Sell | Derivatives not designated as hedging instruments | Indian rupee
Derivative [Line Items]
Derivative notional amount	0
Foreign currency option contracts | Buy | Derivatives Designated as Hedging Instruments | Japanese yen
Derivative [Line Items]
Derivative notional amount	0
Foreign currency option contracts | Buy | Derivatives not designated as hedging instruments | Japanese yen
Derivative [Line Items]
Derivative notional amount	8,849
Foreign currency option contracts | Sell | Derivatives Designated as Hedging Instruments | Japanese yen
Derivative [Line Items]
Derivative notional amount	0
Foreign currency option contracts | Sell | Derivatives not designated as hedging instruments | Japanese yen
Derivative [Line Items]
Derivative notional amount	$ 9,403