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Significant Accounting Policies and Basis of Presentation (Details Textual)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Significant Accounting Policies [Line Items] | |||
| Policy For Maximum Maturity Days Of Investments Considered As Cash Equivalents | 90 days | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 38.2 | 35.0 | 24.5 |