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INCOME TAXES - Effective Income Tax Rate Reconciliation (Details) | 12 Months Ended
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Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Effective income tax rate reconciliation |  |  |
Statutory federal income tax rate | 21.00% | 21.00% | 21.00%
State and local taxes (net of federal benefits) | 3.40% | 3.90% | 3.80%
Effect of noncontrolling owned interest in earnings of partnerships |  | (0.10%) | (0.10%)
Tax credits, including foreign tax credit | (0.90%) | (1.30%) | (1.60%)
Change in uncertain tax positions reserve | (0.10%) | (0.10%) | 0.10%
Other permanent differences | 0.60% | 0.50% | 0.60%
Other, net | 1.50% | 0.30% | (0.70%)
Impact of Tax Act and reduction of corporate tax rate |  |  | (0.10%)
Effective income tax rate | 25.50% | 24.20% | 23.00%

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- Definition The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to permanent differences, not otherwise listed in the existing taxonomy. + References No definition available. + Details
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- Definition Percentage of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to the total of all provisions of the Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
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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 noncontrolling interest income (loss) exempt from income taxes. + 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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