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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 29, 2016
Jul. 01, 2015
Jun. 29, 2016
Jul. 01, 2015
Statement of Comprehensive Income [Abstract]        
Minimum pension liability adjustment, tax $ 2,152 $ 169 $ 2,160 $ 338
Unrealized gain (loss) on hedged transactions, tax $ (2,057) $ 2,124 $ (5,054) $ 963