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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2012
Schedule Of Weighted-Average Number Of Shares Outstanding |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
|  | (In thousands) |  |  | (In thousands) |
Basic weighted average common shares outstanding |  |  | 92,176 |  |  |  | 92,048 |  |  |  | 92,153 |  |  |  | 92,047 |
Dilution effect of stock awards at end of period |  |  | 46 |  |  |  | 103 |  |  |  | 186 |  |  |  | 130 |
Diluted weighted average common shares outstanding |  |  | 92,222 |  |  |  | 92,151 |  |  |  | 92,339 |  |  |  | 92,177 |
Anti-dilutive stock-based compensation awards |  |  | 634 |  |  |  | 272 |  |  |  | 397 |  |  |  | 173 |

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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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