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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
Sep. 29, 2012
Dec. 31, 2011
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 4,225 $ 7,823
Accumulated depreciation on property, plant and equipment $ 49,606 $ 29,727