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Consolidated Statement of Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Other Comprehensive Items:      
Pension and other post-retirement liability adjustments, tax effect $ 28 $ 1,331 $ 80
Deferred gain (loss) on hedging instruments, tax effect $ 206 $ 89 $ 44