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Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Detail) | 12 Months Ended
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Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Income Tax Disclosure [Abstract] |  |  |
Statutory federal income tax rate | 21.00% | 21.00% | 21.00%
Increase (decrease) in tax rate resulting from: |  |  |
State income taxes, net of federal benefit | 2.90% | 2.90% | 2.90%
Noncontrolling interests | (0.50%) | (0.40%) | (0.40%)
Repatriation of foreign earnings | (0.70%) | (0.10%) | (0.10%)
Change in valuation allowance for deferred tax assets | 0.50% | 0.40% | 0.30%
Adjustments to tax accruals and reserves | (0.50%) | (0.40%) | (0.20%)
Foreign rate differences | 0.50% | 0.40% | 0.40%
Excess tax benefits related to equity compensation | (0.50%) | (0.50%) | (0.80%)
U.S. tax reform, net impact | 0.00% | 0.00% | 0.40%
Other | (0.10%) | (0.30%) | 0.10%
Effective tax rate | 22.60% | 23.00% | 23.60%

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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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