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Equity Interest Investments (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 23, 2013
Mar. 24, 2012
Net Sales $ 31,838 $ 30,565
Net Income (Loss) 1,624 1,576
Stiga Sports AB [Member]
   
Net Sales 4,836 4,147
Gross Profit 2,563 2,167
Net Income (Loss) $ 52 $ (97)