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Earnings Per Share | 12 Months Ended
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Dec. 31, 2013
Earnings Per Share [Abstract] |
Earnings Per Share | NOTE 13 Earnings Per Share Basic and diluted earnings per common share are computed by dividing net earnings by the weighted average number of common shares outstanding and by the weighted average number of dilutive potential common shares, in accordance with accounting guidance related to earnings per share. The following table reconciles the number of common shares used in calculating the basic and diluted net earnings per share:
|  | 2013 |  | 2012 |  | 2011
Basic average common shares outstanding 1 |  | 22,081,026 |  |  | 23,298,663 |  |  | 22,913,881 |
Incremental shares due to: |  |  |  |  |  |
Restricted stock units |  | 53,803 |  |  | 24,086 |  |  | 220,457 |
Performance shares |  | 129,003 |  |  | 291,036 |  |  | 817,946 |
Diluted average common shares outstanding |  | 22,263,832 |  |  | 23,613,785 |  |  | 23,952,284 |
Basic net earnings per common share |  | $ | 4.84 |  |  | $ | 2.75 |  |  | $ | 1.73 |
Diluted net earnings per common share |  | 4.80 |  |  | 2.72 |  |  | 1.66 |
Anti-dilutive shares excluded from calculation |  | 41,337 |  |  | 9,992 |  |  | 88,674 |
1 | Basic average common shares outstanding include restricted stock awards that are fully vested, but are deferred for future issuance. See Note 14, "Equity-Based Compensation Plans" for further discussion.

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