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Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 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 June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
Basic weighted average common shares outstanding | 77,466 |  |  | 80,106 |  |  | 77,731 |  |  | 80,317 |
Dilutive effect of stock options, unvested shares, performance share units and DCUs | 831 |  |  | 1,043 |  |  | 845 |  |  | 1,045 |
Diluted weighted average common shares outstanding | 78,297 |  |  | 81,149 |  |  | 78,576 |  |  | 81,362 |

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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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