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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 25, 2021 | Dec. 26, 2020 | Dec. 28, 2019
Statement of Comprehensive Income [Abstract] |  |  |
Derivative instruments, tax | $ 47 | $ (146) | $ (195)
Pension & OPEB obligations, tax | (1,379) | (1,560) | (671)
Attributable to unconsolidated affiliates, tax | $ (284) | $ 38 | $ 244

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