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Earnings per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Earnings per Common Share |
Calculation of basic and diluted weighted-average shares outstanding |
|  | December 31, |
--- | --- | --- | ---
(In thousands) |  | 2012 |  | 2011 |  | 2010 |
Weighted-average shares—basic |  |  | 209,538 |  |  | 208,498 |  |  | 207,823 |
Dilution effect of stock options, stock appreciation rights and stock awards at end of period |  |  | 1,455 |  |  | 2,263 |  |  | 2,567 |
Weighted-average shares—diluted |  |  | 210,993 |  |  | 210,761 |  |  | 210,390 |
Weighted-average stock awards and shares excluded from diluted earnings per share due to the anti-dilutive effect |  |  | 43 |  |  | 2 |  |  | 567 |

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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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