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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2013
Earnings Per Share [Abstract] |
Schedule of Weighted-Average Number of Shares Outstanding | The following is a calculation of the basic and diluted weighted-average shares outstanding for the three and nine months ended September 30, 2013 and 2012:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
| (In thousands)
Basic weighted average common shares outstanding | 92,449 |  |  | 92,186 |  |  | 92,408 |  |  | 92,164 |
Dilution effect of stock awards at end of period | 387 |  |  | 230 |  |  | 430 |  |  | 179 |
Diluted weighted average common shares outstanding | 92,836 |  |  | 92,416 |  |  | 92,838 |  |  | 92,343 |
Anti-dilutive stock-based compensation awards | 789 |  |  | 748 |  |  | 719 |  |  | 541 |

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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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