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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2012
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 September 30, |  |  | Nine Months Ended September 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
|  | (In thousands) |
Basic weighted average common shares outstanding |  |  | 82,482 |  |  |  | 82,402 |  |  |  | 82,820 |  |  |  | 81,994 |
Dilutive effect of stock options, unvested shares, and DCUs |  |  | 888 |  |  |  | 1,184 |  |  |  | 965 |  |  |  | 1,539 |
Diluted weighted average common shares outstanding |  |  | 83,370 |  |  |  | 83,586 |  |  |  | 83,785 |  |  |  | 83,533 |

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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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