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Condensed Consolidated Statement of Comprehensive Income (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Other Comprehensive Items:        
Pension and other post-retirement liability adjustments, tax expense $ 58 $ 67 $ 198 $ 205
Deferred gain on hedging instruments, tax expense $ 30 $ 49 $ 110 $ 50