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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 25, 2021 | Sep. 26, 2020 | Sep. 25, 2021 | Sep. 26, 2020
Statement of Comprehensive Income [Abstract] |  |  |  |
Net change with respect to derivative instruments and hedging activities, tax (expense) benefit | $ (610) | $ (43) | $ 204 | $ (53)
Net actuarial loss on pension and postretirement obligations, tax benefit (expense) | (137) | 92 | (80) | 224
Attributable to unconsolidated affiliates, tax benefit (expense) | $ (284) | $ (99) | $ (642) | $ 163

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- Definition Amount of tax expense (benefit), after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from changes classified as attributable to unconsolidated affiliates. + References No definition available. + Details
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- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e640-108580 + Details
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