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Condensed Consolidated Statement of Comprehensive Income (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Other Comprehensive Items:        
Pension and other post-retirement liability adjustments, tax expense $ 63 $ 70 $ 140 $ 138
Deferred gain on hedging instruments, tax expense $ 51 $ (85) $ 80 $ 1