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Earnings Per Share (Details Textual)
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Aug. 30, 2011
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Aug. 02, 2011
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| Earnings Per Share (Textual) [Abstract] | ||
| Distribution of Class B Stock to holders of both Common and Class B Stock | one-for-ten | |
| Number of Class B Stock received for every ten shares of Common and Class B Stock held | 1 | |
| Record date | Aug. 16, 2011 |
| X | ||||||||||
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- Definition
Dividends declared. No definition available.
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| X | ||||||||||
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- Definition
Dividends shares. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Record date. No definition available.
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