EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Thousands		6 Months Ended	12 Months Ended
	Jul. 01, 2016	Jun. 30, 2016	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Severance pay details
Accrued severance liability			$ 7,019	$ 21,645
Severance assets			5,776	17,043
Unfunded portion			$ 1,243	4,602
Israel | Pension plan
Defined Benefit Plan Disclosures [Line Items]
Employer contribution limit per calendar year	6.25%	6.00%	6.50%
Defined pension contribution plan expenses			$ 11,500	10,600	$ 10,400
Company's contribution as a percentage of employee monthly salary to insurance policy or pension fund			8.30%
Severance pay expenses			$ 16,200	13,700	12,600
Section 401 K Savings Plan
Defined Benefit Plan Disclosures [Line Items]
Defined pension contribution plan expenses				$ 1,800
Section 401 K Savings Plan | US
Defined Benefit Plan Disclosures [Line Items]
Employer contribution limit per calendar year			4.00%
Defined pension contribution plan expenses			$ 1,800		$ 2,200