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Earnings Per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Schedule of Basic Weighted Average Shares Reconciles to Diluted Weighted Average Shares | Basic weighted average shares reconciles to diluted weighted average shares as follows:
|  | Three Months Ended March 31,
|  | 2015 |  | 2014
Basic weighted average common shares outstanding |  | 77,996 |  |  | 80,527 |
Dilutive effect of stock options, unvested shares, performance share units and DCUs |  | 860 |  |  | 1,048 |
Diluted weighted average common shares outstanding |  | 78,856 |  |  | 81,575 |

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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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