v2.4.0.6

Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share [Abstract] |
Weighted Average Common Shares Outstanding | A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings per weighted average common share (EPS) calculation was as follows (in thousands):
| 2012 |  | 2011 |  | 2010
Weighted average common shares outstanding: |  |  |  |  |
Basic EPS calculation | 110,753 |  |  | 110,626 |  |  | 110,442 |
Effect of dilutive share-based awards | 15 |  |  | 52 |  |  | 79 |
Diluted EPS calculation | 110,768 |  |  | 110,678 |  |  | 110,521 |

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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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