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Concentrations Of Credit And Operation Risk (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Dec. 31, 2011
Accounts Receivable [Member]
Top Customer One [Member]
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Dec. 25, 2010
Accounts Receivable [Member]
Top Customer One [Member]
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Dec. 31, 2011
Accounts Receivable [Member]
Top Customer Two [Member]
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Dec. 25, 2010
Accounts Receivable [Member]
Top Customer Two [Member]
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Dec. 31, 2011
Accounts Receivable [Member]
Top Customer Three [Member]
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Dec. 25, 2010
Accounts Receivable [Member]
Top Customer Three [Member]
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| Concentration Risk [Line Items] | |||||||
| Investment in time deposits and certificate of deposits from banks | $ 200 | ||||||
| Number of customers accounted in accounts receivable | 3 | ||||||
| Percentage of accounts receivable | 15.00% | 18.00% | 15.00% | 11.00% | 14.00% | 8.00% | |
| Excess of obligation of the company to obligation of the counterparties | $ 2 |
| X | ||||||||||
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- Definition
Excess of obligation of the company to obligation of the counterparties. No definition available.
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- Definition
Minimum combined capital, surplus and undistributed profits of banks whose time deposits and certificates the Company invests into. No definition available.
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| X | ||||||||||
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- Definition
Number of customers accounted in total consolidated accounts receivable. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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