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INCOME TAXES - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax expense based on statutory rate									$ 14,709	$ 15,889	$ 27,140
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation, Adjustments to Statutory Income Tax [Abstract]
State income taxes, net of federal benefit									3,666	3,826	2,667
Tax credits, net									(13,627)	(12,303)	(9,964)
Transition to the U.S. Tax Cuts and Job Act									97	(194)	2,466
Non-deductible/non-taxable items									1,559	1,191	1,157
Foreign taxes									282	735	(342)
Other, net									285	765	(1,030)
Total taxes on income	$ 638	$ 2,981	$ 2,312	$ 1,040	$ 2,839	$ 3,630	$ 2,576	$ 864	$ 6,971	$ 9,909	$ 22,094
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation, Adjustments to Statutory Income Tax Rate [Abstract]
Income tax expense based on statutory rate									21.00%	21.00%	35.00%
Effective Income Tax Rate Reconciliation, Percent [Abstract]
State income taxes, net of federal benefit									5.30%	5.10%	3.40%
Tax credits, net									(19.40%)	(16.30%)	(12.90%)
Transition to the U.S. Tax Cuts and Job Act									0.10%	(0.30%)	3.20%
Non-deductible/non-taxable items									2.20%	1.60%	1.50%
Foreign taxes									0.40%	1.00%	(0.40%)
Other, net									0.40%	1.00%	(1.30%)
Total taxes on income									10.00%	13.10%	28.50%

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