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Income Taxes (Reconciliation of The Federal Statutory Tax Rate With The Effective Tax Rate from Continuing Operations) (Details) | 12 Months Ended
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Jan. 01, 2021 | Dec. 27, 2019 | Dec. 28, 2018 | Dec. 29, 2017
Income Tax Disclosure [Abstract] |  |  |  |
U.S statutory income tax expense rate | 21.00% | 21.00% | 21.00% | 35.00%
State income taxes, net of federal income tax expense | 6.80% | 4.30% | 2.60% |
Valuation reduction | (0.60%) | 1.20% |  |
Meals and entertainment | 0.60% | 0.50% | 1.00% |
Foreign rate differential | 0.90% |  | 0.20% |
Share based compensation | 2.40% | (1.30%) | (3.60%) |
Purchase accounting |  | (0.80%) | (3.10%) |
Foreign exchange loss | 0.20% | 0.20% | (0.30%) |
Other, net | 2.40% | (0.10%) | (0.90%) |
Effective tax rate | 33.70% | 25.00% | 16.90% |

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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=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/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=116825942&loc=d3e330036-122817 Reference 2: 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=84230637&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=116825942&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=84230637&loc=d3e32687-109319 + Details
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