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Income Taxes (Schedule Of Difference Between The Tax Provision At The Statutory Federal Income Tax Rate And The Tax Provision As A Percentage Of Income Before Taxes (Effective Tax Rate)) (Details) | 12 Months Ended
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Dec. 31, 2021 | Jan. 01, 2021 | Jan. 03, 2020
Income Tax Disclosure [Abstract] |  |  |
Statutory federal income tax rate | 21.00% | 21.00% | 21.00%
Foreign income taxed at different rates | 0.50% | 1.70% | (7.30%)
Change in valuation allowance | 0.00% | 2.00% | 0.00%
U.S. State income taxes | 1.10% | 0.50% | 1.50%
Stock-based compensation | 1.70% | 1.50% | 1.20%
Excess tax benefit related to stock-based compensation | (2.50%) | (1.50%) | (2.40%)
Other U.S. taxes on foreign operations | (0.016) | (0.010) | 0.013
U.S. Federal research and development credits | (2.10%) | (2.30%) | (2.80%)
Tax reserve releases | (2.10%) | (4.80%) | (4.90%)
Intellectual property restructuring and tax law changes | (2.50%) | (16.20%) | (59.80%)
Other | 0.70% | 0.20% | 3.00%
Effective tax rate | 14.20% | 1.10% | (49.20%)

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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=120395691&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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