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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 29, 2017
Mar. 30, 2016
Statement of Comprehensive Income [Abstract]    
Minimum pension liability adjustment, tax $ 9 $ 8
Unrealized loss on hedged transactions, tax $ (397) $ (2,997)