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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 29, 2019
Jun. 30, 2018
Jun. 29, 2019
Jun. 30, 2018
Statement of Comprehensive Income [Abstract]        
Net change with respect to derivative instruments and hedging activities, tax (expense) benefit $ 253   $ (90)  
Net change with respect to derivative instruments and hedging activities, tax (expense) benefit   $ (3)   $ 276
Net actuarial loss on pension and postretirement obligations, tax benefit (expense) (198) (322) (91) (142)
Attributable to unconsolidated affiliates, tax benefit (expense) $ (68) $ (35) $ (81) $ 81