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Comprehensive Income (Components Of Accumulated Other Comprehensive Income, Net Of Related Tax) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2012
Dec. 30, 2011
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]    
Accumulated foreign currency translation adjustments $ 24,741 $ 6,756
Net unrealized actuarial losses (2,130) (1,616)
Total accumulated other comprehensive income $ 22,611 $ 5,140