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Stockholder Equity and NonControlling Interests (Tables) | 6 Months Ended
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Jun. 30, 2015
Dividends Declared | On January 19, 2015, our board of directors declared the following dividends:
Month |  | Record Date |  | Payment Date |  | Dividend Declared Per Share |
January 2015 |  | January 30, 2015 |  | February 17, 2015 |  | $ | 0.06 |
February 2015 |  | February 27, 2015 |  | March 16, 2015 |  | $ | 0.06 |
March 2015 |  | March 31, 2015 |  | April 15, 2015 |  | $ | 0.06 |
On April 13, 2015, our board of directors declared the following dividends:
Month |  | Record Date |  | Payment Date |  | Dividend Declared Per Share |
April 2015 |  | April 30, 2015 |  | May 15, 2015 |  | $ | 0.06 |
May 2015 |  | May 29, 2015 |  | June 15, 2015 |  | $ | 0.06 |
June 2015 |  | June 30, 2015 |  | July 15, 2015 |  | $ | 0.06 |
On July 1, 2015 our board of directors declared the following dividends:
Month |  | Record Date |  | Payment Date |  | Dividend Declared Per Share |
July 2015 |  | July 31, 2015 |  | August 17, 2015 |  | $ | 0.06 |
August 2015 |  | August 31, 2015 |  | September 15, 2015 |  | $ | 0.06 |
September 2015 |  | September 30, 2015 |  | October 15, 2015 |  | $ | 0.06 |

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- Definition Tabular disclosure of information related to dividends declared, including paid and unpaid dividends. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration