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Subsequent Events (Details) (USD $)
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1 Months Ended | 3 Months Ended | 6 Months Ended | |||
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Aug. 31, 2011
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Jun. 30, 2011
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Jun. 30, 2010
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Jun. 30, 2011
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Jun. 30, 2010
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Aug. 01, 2011
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| Subsequent Events (Textuals) [Abstract] | ||||||
| Dividends declared per share | $ 0.20 | $ 0.20 | $ 0.10 | $ 0.33 | $ 0.20 | |
| Cash dividends, date payable | 8/29/2011 | |||||
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- Definition
Cash dividends, date payable.
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- Definition
Subsequent events.
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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