| Gains (Losses) on Equity Method Investments, Net (Tables) | 6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Jul. 02, 2011 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gains (Losses) on Equity Method Investments, Net (Tables) [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule Of Gains (Losses) On Equity Method Investments, Net [Text Block] | Gains (losses) on equity method investments, net included: 
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- Definition Gains (Losses) on Equity Method Investments Net Tables Abstract 
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- Definition Schedule Of Gains Losses On Equity Method Investments Net Text Block 
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