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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. 30, 2017 | Dec. 31, 2016 | Dec. 26, 2015
Income Tax Disclosure [Abstract] |  |  |
U.S. statutory income tax rate | 35.00% | 35.00% | 35.00%
Foreign tax rate differences | (6.80%) | (10.30%) | (8.60%)
State income taxes, net of federal tax benefit | 2.00% | 1.60% | 1.90%
Research tax credits and enhanced deductions | (2.40%) | (3.50%) | (2.60%)
Stock-based compensation | (3.20%) | (0.00%) | (0.00%)
Enacted tax rate changes | (4.20%) | (0.80%) | (1.50%)
Transition Tax | 24.80% | 0.00% | 0.00%
Impact of tax uncertainties | (0.40%) | 0.20% | (5.20%)
Tax on unremitted earnings | 7.30% | 2.00% | 3.40%
Impact of acquisitions and restructuring | 3.80% | 1.80% | (2.00%)
Other | 1.80% | 4.00% | 1.80%
Effective income tax rate | 57.70% | 30.00% | 22.20%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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