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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 29, 2017
Mar. 30, 2016
Statement of Comprehensive Income [Abstract]    
Net income $ 8,373 $ 9,954
Other comprehensive income, net of tax:    
Minimum pension liability adjustment, net of tax of $9 and $8 14 13
Recognition of unrealized loss on hedge transactions, net of tax of $(397) and $(2,997) (623) (4,693)
Other comprehensive loss (609) (4,680)
Total comprehensive income $ 7,764 $ 5,274