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INCOME TAXES - Reconciliation of US Statutory Tax Rate and Effective Tax Rate (Details)	12 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Income Tax Disclosure [Abstract]
U.S. statutory income tax rate	21.00%	21.00%	21.00%
Foreign tax rate differences	1.20%	2.70%	0.50%
State income taxes, net of federal tax benefit	0.40%	2.60%	2.40%
Non-deductible compensation	1.00%	1.70%	1.00%
Research tax credits and enhanced deductions	(3.40%)	(4.40%)	(2.90%)
Stock-based compensation	(2.70%)	(2.20%)	(2.10%)
Impact of tax uncertainties	(0.20%)	(2.60%)	(1.10%)
Tax on unremitted earnings	1.30%	1.70%	1.20%
Impact of acquisitions and restructuring	0.50%	2.70%	0.30%
Net operating loss deferred tax asset recognition, net of valuation allowance (NOL DTA)	(0.10%)	(6.80%)	0.00%
Other	(0.70%)	0.10%	(1.00%)
Effective income tax rate	18.30%	16.50%	19.30%

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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