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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2013
Earnings Per Share [Abstract] |
Schedule of earnings per share | The following summarizes the impact of potential dilutive common shares on the denominator used to compute EPS:
| Three Months Ended March 31,
| 2013 |  | 2012
Denominator – basic | 161,540 |  |  | 148,495 |
Deemed shares related to deferred compensation arrangements | — |  |  | 43 |
Denominator – diluted | 161,540 |  |  | 148,538 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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