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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2015
Earnings Per Share [Abstract] |
Reconciliation of the average shares outstanding used to compute basic and diluted earnings per share | The following is a reconciliation of the average shares outstanding used to compute basic and diluted earnings per share.
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Basic weighted average common shares outstanding | 136,130,861 |  |  | 134,990,382 |  |  | 135,887,738 |  |  | 134,590,994 |
Effect of dilutive securities | 1,855,038 |  |  | 2,436,260 |  |  | 1,543,827 |  |  | 2,829,485 |
Diluted weighted average common shares outstanding | 137,985,899 |  |  | 137,426,642 |  |  | 137,431,565 |  |  | 137,420,479 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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