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Summary of Significant Accounting Policies - Summary of Components of Accumulated Other Comprehensive Income (Loss) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Accounting Policies [Abstract]    
Unrecognized pension benefit costs, net of tax $ (2,120) $ (5,597)
Unrealized loss on interest rate swap, net of tax (630) (1,447)
Currency translation adjustments (5,885) (5,355)
Accumulated other comprehensive income (loss), net of tax $ (8,635) $ (12,399)