INCOME TAXES - Income taxes reconciliation (Details)	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Difference between the tax provision at the statutory federal income tax rate and the benefit (provision) for income taxes as a percentage of loss before income taxes (effective tax rate)
Statutory federal income tax rate	21.00%	21.00%	21.00%
Increase (reduction) in rate resulting from:
Foreign rate differential	2.00%	2.70%	(1.20%)
Technology incentives - current	0.10%	(568.70%)	312.70%
Technology incentives - deferred	(3.10%)	461.50%	(230.60%)
U.S. branch taxation of foreign operations	1.70%	243.90%	(127.30%)
Changes in uncertain tax position, net	(0.20%)	42.10%	16.10%
Share-based compensation related adjustments		(2.40%)	(0.50%)
Changes in valuation allowance	(0.30%)	43.10%	(151.90%)
Non-deductible expenses and other	(0.10%)	25.40%	(6.50%)
Withholding taxes, net of credit			12.10%
Goodwill impairment	(18.80%)
Effective tax rate	2.30%	268.60%	(156.10%)
Tax rate on Special Preferred Technological Enterprises	6.00%
Percentage of annual income derived from exports for preferential tax rate	25.00%