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Capital Stock (Tables) | 12 Months Ended
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Dec. 31, 2014
Capital Stock [Abstract] |
Weighted average common shares outstanding for computing EPS | The following is a reconciliation of the weighted-average common shares outstanding for purposes of computing basic and diluted net income per share (in thousands):
|  | Year Ended December 31, |
|  | 2012 |  |  | 2013 |  |  | 2014 |
Basic weighted-average common shares outstanding |  |  | 60,600 |  |  |  | 58,606 |  |  |  | 59,073 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Stock awards and options |  |  | 2,425 |  |  |  | 2,842 |  |  |  | 1,814 |
Diluted weighted-average common shares outstanding |  |  | 63,025 |  |  |  | 61,448 |  |  |  | 60,887 |

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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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