FINANCIAL INSTRUMENTS - Aggregate Notional Amounts (Details) - 12 months ended Mar. 31, 2020 € in Thousands, ₪ in Thousands, ₨ in Thousands, ¥ in Thousands, ¥ in Thousands, £ in Thousands, kr in Thousands, RM in Thousands, R$ in Thousands, Ft in Thousands, $ in Thousands, $ in Thousands	USD ($)	INR (₨)	ILS (₪)	MYR (RM)	BRL (R$)	MXN ($)	EUR (€)	JPY (¥)	SEK (kr)	GBP (£)	CNY (¥)	HUF (Ft)
Notional amount
Deferred gains	$ 30,800
Other Foreign Currency Contracts
Notional amount
Derivative, notional amount	9,800,000
Buy | Other Foreign Currency Contracts
Notional amount
Derivative, notional amount	5,528,610
Sell | Other Foreign Currency Contracts
Notional amount
Derivative, notional amount	4,291,477
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts
Notional amount
Derivative, notional amount	4,422,634
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | CNY
Notional amount
Derivative, notional amount	604,494										¥ 4,250,664
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | EUR
Notional amount
Derivative, notional amount	2,278,226						€ 2,080,415
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | ILS
Notional amount
Derivative, notional amount	75,880		₪ 271,500
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | JPY
Notional amount
Derivative, notional amount	34,287							¥ 3,705,195
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | MXN
Notional amount
Derivative, notional amount	206,835					$ 4,839,428
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | BRL
Notional amount
Derivative, notional amount	0				R$ 0
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | GBP
Notional amount
Derivative, notional amount	68,333									£ 55,892
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | HUF
Notional amount
Derivative, notional amount	171,813											Ft 55,435,797
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | INR
Notional amount
Derivative, notional amount	75,957	₨ 5,685,000
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | MYR
Notional amount
Derivative, notional amount	661,927			RM 2,919,100
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | SEK
Notional amount
Derivative, notional amount	65,373								kr 649,418
Derivatives not designated as hedging instruments | Buy | Other Foreign Currency Contracts | Other
Notional amount
Derivative, notional amount	179,509
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts
Notional amount
Derivative, notional amount	4,238,875
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | CNY
Notional amount
Derivative, notional amount	46,749										331,088
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | EUR
Notional amount
Derivative, notional amount	2,413,824						2,203,938
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | ILS
Notional amount
Derivative, notional amount	37,591		134,500
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | JPY
Notional amount
Derivative, notional amount	321,655							34,778,855
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | MXN
Notional amount
Derivative, notional amount	152,859					3,576,516
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | BRL
Notional amount
Derivative, notional amount	117,999				R$ 603,000
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | GBP
Notional amount
Derivative, notional amount	96,952									£ 78,988
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | HUF
Notional amount
Derivative, notional amount	184,694											Ft 59,591,932
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | INR
Notional amount
Derivative, notional amount	79,185	₨ 5,931,167
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | MYR
Notional amount
Derivative, notional amount	601,698			RM 2,653,490
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | SEK
Notional amount
Derivative, notional amount	70,713								kr 711,823
Derivatives not designated as hedging instruments | Sell | Other Foreign Currency Contracts | Other
Notional amount
Derivative, notional amount	114,956
Cash Flow Hedges | Derivatives designated as hedging instruments | Buy | Other Foreign Currency Contracts
Notional amount
Derivative, notional amount	1,105,976
Cash Flow Hedges | Derivatives designated as hedging instruments | Buy | Other Foreign Currency Contracts | CNY
Notional amount
Derivative, notional amount	201,755										1,430,500
Cash Flow Hedges | Derivatives designated as hedging instruments | Buy | Other Foreign Currency Contracts | EUR
Notional amount
Derivative, notional amount	50,075						45,679
Cash Flow Hedges | Derivatives designated as hedging instruments | Buy | Other Foreign Currency Contracts | ILS
Notional amount
Derivative, notional amount	96,283		344,500
Cash Flow Hedges | Derivatives designated as hedging instruments | Buy | Other Foreign Currency Contracts | JPY
Notional amount
Derivative, notional amount	300,000							33,525,000
Cash Flow Hedges | Derivatives designated as hedging instruments | Buy | Other Foreign Currency Contracts | MXN
Notional amount
Derivative, notional amount	218,442					5,111,000
Cash Flow Hedges | Derivatives designated as hedging instruments | Buy | Other Foreign Currency Contracts | Other
Notional amount
Derivative, notional amount	239,421
Cash Flow Hedges | Derivatives designated as hedging instruments | Sell | Other Foreign Currency Contracts
Notional amount
Derivative, notional amount	52,602
Cash Flow Hedges | Derivatives designated as hedging instruments | Sell | Other Foreign Currency Contracts | CNY
Notional amount
Derivative, notional amount	0										¥ 0
Cash Flow Hedges | Derivatives designated as hedging instruments | Sell | Other Foreign Currency Contracts | EUR
Notional amount
Derivative, notional amount	43,078						€ 38,009
Cash Flow Hedges | Derivatives designated as hedging instruments | Sell | Other Foreign Currency Contracts | ILS
Notional amount
Derivative, notional amount	0		₪ 0
Cash Flow Hedges | Derivatives designated as hedging instruments | Sell | Other Foreign Currency Contracts | JPY
Notional amount
Derivative, notional amount | ¥								¥ 0
Cash Flow Hedges | Derivatives designated as hedging instruments | Sell | Other Foreign Currency Contracts | MXN
Notional amount
Derivative, notional amount	0					$ 0
Cash Flow Hedges | Derivatives designated as hedging instruments | Sell | Other Foreign Currency Contracts | Other
Notional amount
Derivative, notional amount	$ 9,524