13. EARNINGS PER COMMON SHARE COMPUTATION
Detail supporting the computation of basic and diluted earnings per common share was as follows for the years ended December 31, 2013, 2012 and 2011:
| 2013 | 2012 | 2011 | ||||||||||
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except per common share results, number of shares/options in thousands) |
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Net income available for common stockholders |
$ | 1,231 | $ | 1,222 | $ | 1,419 | ||||||
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Weighted-average outstanding shares of common stock used to compute basic earnings per common share |
157,503 | 161,484 | 165,413 | |||||||||
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Dilutive effect of: |
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Employee stock options |
322 | 576 | 959 | |||||||||
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Restricted stock |
1,326 | 1,397 | 1,455 | |||||||||
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Shares used to compute diluted earnings per common share |
159,151 | 163,457 | 167,827 | |||||||||
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Basic earnings per common share |
$ | 7.81 | $ | 7.56 | $ | 8.58 | ||||||
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Diluted earnings per common share |
$ | 7.73 | $ | 7.47 | $ | 8.46 | ||||||
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Number of antidilutive stock options and restricted stock awards excluded from computation |
704 | 754 | 864 | |||||||||