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Capital Stock (Tables) | 12 Months Ended
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Dec. 31, 2013
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, |
|  | 2011 |  |  | 2012 |  |  | 2013 |
Basic weighted-average common shares outstanding |  |  | 62,066 |  |  |  | 60,600 |  |  |  | 58,606 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Stock awards and options |  |  | 2,480 |  |  |  | 2,425 |  |  |  | 2,842 |
Diluted weighted-average common shares outstanding |  |  | 64,546 |  |  |  | 63,025 |  |  |  | 61,448 |
For the years ended December 31, 2011, 2012 and 2013, other stock options totaling none, 0.1 million and 1.2 million, respectively, were excluded from the calculation of diluted earnings per share because they were anti-dilutive.

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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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