| Gains (Losses) on Equity Method Investments, Net | 6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Jul. 02, 2011 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gains (Losses) on Equity Method Investments, Net [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gains (Losses) on Equity Method Investments, Net | Note 12: Gains (Losses) on Equity Method Investments, Net 
 Gains (losses) on equity method investments, net included: 
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| X | ||||||||||
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- Definition Gains (Losses) on Equity Method Investments, Net [Abstract] 
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| X | ||||||||||
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- Definition Gains (Losses) on Equity Method Investments, Net [Text Block] 
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