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Operating Segment and Geographic Information (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Assets $ 125,740 $ 130,115 $ 127,553
North America [Member]
     
Assets 110,977 105,717 103,277
Europe [Member]
     
Assets $ 14,763 $ 24,398 $ 24,276