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INCOME TAXES - Reconciliation of US Statutory Tax Rate and Effective Tax Rate (Details) | 12 Months Ended
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Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Income Tax Disclosure [Abstract] |  |  |
U.S. statutory income tax rate | 21.00% | 21.00% | 35.00%
Foreign tax rate differences | 2.70% | 0.50% | (6.80%)
State income taxes, net of federal tax benefit | 2.60% | 2.40% | 2.00%
Non-deductible compensation | 1.70% | 1.00% | 1.30%
Research tax credits and enhanced deductions | (4.40%) | (2.90%) | (2.40%)
Stock-based compensation | (2.20%) | (2.10%) | (3.20%)
Enacted tax rate changes | (0.70%) | (0.10%) | (4.20%)
Transition Tax | 0.00% | (0.30%) | 24.80%
Impact of tax uncertainties | (2.60%) | (1.10%) | (0.40%)
Tax on unremitted earnings | 1.70% | 1.20% | 7.30%
Impact of acquisitions and restructuring | 2.70% | 0.30% | 3.80%
Net operating loss deferred tax asset recognition, net of valuation allowance (NOL DTA) | (6.80%) | 0.00% | 0.00%
Other | 0.80% | (0.60%) | 0.50%
Effective income tax rate | 16.50% | 19.30% | 57.70%

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