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Quarterly Financial Information (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2012
Quarterly Financial Data [Abstract] |
Summary of unaudited consolidated quarterly information | Summarized unaudited consolidated quarterly information for the years ended December 31, 2012 and 2011 is provided below.
| For the Year Ended December 31, 2012
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
| (In thousands, except per share amounts)
Revenues(1) | $ | 568,566 |  |  | $ | 614,502 |  |  | $ | 641,520 |  |  | $ | 660,711 |
Income from continuing operations attributable to common stockholders(1) | $ | 48,110 |  |  | $ | 43,496 |  |  | $ | 115,975 |  |  | $ | 97,992 |
Discontinued operations(1) | 42,516 |  |  | 30,529 |  |  | (4,093 | ) |  | (11,725 | )
Net income attributable to common stockholders | $ | 90,626 |  |  | $ | 74,025 |  |  | $ | 111,882 |  |  | $ | 86,267 |
Earnings per share: |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |
Income from continuing operations attributable to common stockholders | $ | 0.16 |  |  | $ | 0.15 |  |  | $ | 0.39 |  |  | $ | 0.33 |
Discontinued operations | 0.15 |  |  | 0.11 |  |  | (0.01 | ) |  | (0.04 | )
Net income attributable to common stockholders | $ | 0.31 |  |  | $ | 0.26 |  |  | $ | 0.38 |  |  | $ | 0.29 |
Diluted: |  |  |  |  |  |  |
Income from continuing operations attributable to common stockholders | $ | 0.16 |  |  | $ | 0.15 |  |  | $ | 0.39 |  |  | $ | 0.33 |
Discontinued operations | 0.15 |  |  | 0.10 |  |  | (0.01 | ) |  | (0.04 | )
Net income attributable to common stockholders | $ | 0.31 |  |  | $ | 0.25 |  |  | $ | 0.38 |  |  | $ | 0.29 |
Dividends declared per share | $ | 0.62 |  |  | $ | 0.62 |  |  | $ | 0.62 |  |  | $ | 0.62 |
________________________
(1) | The amounts presented for the three months ended March 31, 2012, June 30, 2012 and September 30, 2012 differ from the amounts previously reported in our Quarterly Reports on Form 10-Q as a result of discontinued operations consisting of properties sold in 2012 or classified as held for sale as of December 31, 2012.
| For the Three Months Ended
| March 31, 2012 |  |  | June 30, 2012 |  |  | September 30, 2012 |
| (In thousands, except per share amounts)
Revenues, previously reported in Form 10-Q | $ | 573,694 |  |  | $ | 616,448 |  |  | $ | 641,950 |
Revenues, previously reported in Form 10-Q, subsequently reclassified to discontinued operations | (5,128 | ) |  | (1,946 | ) |  | (430 | )
Total revenues disclosed in Form 10-K | $ | 568,566 |  |  | $ | 614,502 |  |  | $ | 641,520 |
Income from continuing operations attributable to common stockholders, previously reported in Form 10-Q | $ | 48,297 |  |  | $ | 42,543 |  |  | $ | 115,329 |
Income from continuing operations attributable to common stockholders, previously reported in Form 10-Q, subsequently reclassified to discontinued operations | (187 | ) |  | 953 |  |  | 646 |
Income from continuing operations attributable to common stockholders disclosed in Form 10-K | $ | 48,110 |  |  | $ | 43,496 |  |  | $ | 115,975 |
Discontinued operations, previously reported in Form 10-Q | $ | 42,329 |  |  | $ | 31,482 |  |  | $ | (3,447 | )
Discontinued operations from properties sold or held for sale subsequent to the respective reporting period | 187 |  |  | (953 | ) |  | (646 | )
Discontinued operations disclosed in Form 10-K | $ | 42,516 |  |  | $ | 30,529 |  |  | $ | (4,093 | )
| For the Year Ended December 31, 2011
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
| (In thousands, except per share amounts)
Revenues(1) | $ | 266,396 |  |  | $ | 359,421 |  |  | $ | 554,691 |  |  | $ | 563,145 |
Income from continuing operations attributable to common stockholders(1) | $ | 47,939 |  |  | $ | 18,450 |  |  | $ | 103,191 |  |  | $ | 193,553 |
Discontinued operations(1) | 1,045 |  |  | 1,226 |  |  | (306 | ) |  | (605 | )
Net income attributable to common stockholders | $ | 48,984 |  |  | $ | 19,676 |  |  | $ | 102,885 |  |  | $ | 192,948 |
Earnings per share: |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |
Income from continuing operations attributable to common stockholders | $ | 0.30 |  |  | $ | 0.10 |  |  | $ | 0.36 |  |  | $ | 0.67 |
Discontinued operations | 0.01 |  |  | 0.01 |  |  | — |  |  | — |
Net income attributable to common stockholders | $ | 0.31 |  |  | $ | 0.11 |  |  | $ | 0.36 |  |  | $ | 0.67 |
Diluted: |  |  |  |  |  |  |
Income from continuing operations attributable to common stockholders | $ | 0.29 |  |  | $ | 0.10 |  |  | $ | 0.35 |  |  | $ | 0.66 |
Discontinued operations | 0.01 |  |  | 0.01 |  |  | — |  |  | — |
Net income attributable to common stockholders | $ | 0.30 |  |  | $ | 0.11 |  |  | $ | 0.35 |  |  | $ | 0.66 |
Dividends declared per share | $ | 0.575 |  |  | $ | 0.7014 |  |  | $ | 0.4486 |  |  | $ | 0.575 |
________________________
(1) | The amounts presented for the three months ended March 31, 2011, June 30, 2011, September 30, 2011 and December 31, 2011 differ from the amounts previously reported in our Annual Report on Form 10-K for the year ended December 31, 2011 as a result of discontinued operations consisting of properties sold in 2012 or classified as held for sale as of December 31, 2012.
| For the Three Months Ended
| March 31, 2011 |  |  | June 30, 2011 |  |  | September 30, 2011 |  |  | December 31, 2011 |
| (In thousands, except per share amounts)
Revenues, previously reported in Form 10-K | $ | 268,432 |  |  | $ | 362,630 |  |  | $ | 562,528 |  |  | $ | 571,401 |
Revenues, previously reported in Form 10-K, subsequently reclassified to discontinued operations | (2,036 | ) |  | (3,209 | ) |  | (7,837 | ) |  | (8,256 | )
Total revenues disclosed in Form 10-K | $ | 266,396 |  |  | $ | 359,421 |  |  | $ | 554,691 |  |  | $ | 563,145 |
Income from continuing operations attributable to common stockholders, previously reported in Form 10-K | $ | 48,218 |  |  | $ | 18,906 |  |  | $ | 102,470 |  |  | $ | 193,216 |
Income from continuing operations attributable to common stockholders, previously reported in Form 10-K, subsequently reclassified to discontinued operations | (279 | ) |  | (456 | ) |  | 721 |  |  | 337 |
Income from continuing operations attributable to common stockholders disclosed in Form 10-K | $ | 47,939 |  |  | $ | 18,450 |  |  | $ | 103,191 |  |  | $ | 193,553 |
Discontinued operations, previously reported in Form 10-K | $ | 766 |  |  | $ | 770 |  |  | $ | 415 |  |  | $ | (268 | )
Discontinued operations from properties sold or held for sale subsequent to the respective reporting period | 279 |  |  | 456 |  |  | (721 | ) |  | (337 | )
Discontinued operations disclosed in Form 10-K | $ | 1,045 |  |  | $ | 1,226 |  |  | $ | (306 | ) |  | $ | (605 | )

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=20225539&loc=d3e1280-108306 + Details
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