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Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
The accumulated balances for each component of other comprehensive income (loss)      
Foreign currency translation adjustment, net of tax $ 1,797 $ 1,694 $ 1,786
Unrealized loss from pension plan, net of tax (32,051) (23,806) (8,837)
Unrealized income (loss) from cash flow hedge, net of tax 212 212 (307)
Accumulated other comprehensive loss $ (30,042) $ (21,900) $ (7,358)