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CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 01, 2016
Sep. 26, 2015
Oct. 01, 2016
Sep. 26, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]        
Net change with respect to derivative instruments and hedging activities, tax $ (119) $ 575 $ (606) $ 1,014
Net actuarial loss on pension and postretirement obligations, tax (255) $ (429) (1,175) $ (715)
Attributable to unconsolidated affiliates, tax $ (2,888)   $ (3,700)