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Income Taxes (Details Textuals) (USD $)
3 Months Ended 6 Months Ended
Jul. 03, 2011
Jul. 04, 2010
Jul. 03, 2011
Jul. 04, 2010
Income Taxes (Textuals) [Abstract]        
Income tax benefit (expense) $ (10,739,000) $ (5,440,000) $ (19,145,000) $ (9,641,000)
Effective income tax rate on income from continuing operations before taxes 23.50%   25.20%  
Applicable statutory United States tax rate 35.00%      
Income tax final settlement of foreign tax audit $ 2,400,000   $ 2,400,000