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Capital Stock (Details) (USD $)
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0 Months Ended | |||||||||||||
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Jun. 01, 2012
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Apr. 29, 2012
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Mar. 13, 2012
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Mar. 01, 2012
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Feb. 15, 2012
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Dec. 01, 2011
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Nov. 18, 2011
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Sep. 01, 2011
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Aug. 15, 2011
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Jul. 12, 2011
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Jun. 01, 2011
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Apr. 29, 2011
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Mar. 01, 2011
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Feb. 15, 2011
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| Capital Stock [Abstract] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Dividend payable, per share | Ìý | Ìý | $ 0.625 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 0.28 | $ 0.14 | Ìý | $ 0.14 | Ìý |
| Common share dividends date paid | Jun. 01, 2012 | Ìý | Ìý | Mar. 01, 2012 | Ìý | Dec. 01, 2011 | Ìý | Sep. 01, 2011 | Ìý | Ìý | Jun. 01, 2011 | Ìý | Mar. 01, 2011 | Ìý |
| Common share dividends date of record | Ìý | Apr. 29, 2012 | Ìý | Ìý | Feb. 15, 2012 | Ìý | Nov. 18, 2011 | Ìý | Aug. 15, 2011 | Ìý | Ìý | Apr. 29, 2011 | Ìý | Feb. 15, 2011 |
| Percentage increase in dividends payable | Ìý | Ìý | 123.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 100.00% | Ìý | Ìý | Ìý | Ìý |
| X | ||||||||||
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- Definition
Increase (Decrease) In Dividends Payable, Percentage No definition available.
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- Definition
The day, month, and year (YYYY-MM-DD) that the dividend declared as of or prior to the financial reporting date will be paid in the subsequent period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The per share amount of a dividend declared, but not paid, as of the financial reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The date as of when a holder must own the stock to be entitled to the dividend. The ex-dividend date is generally 3 days before the record date. No definition available.
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- Details
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