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| Most Recent Quarter ($) | Same Quarter Last Year ($) | % Change | |
| EPS, Pro Forma | 0.42 | 0.39 | 7.10 |
| EPS, GAAP | 0.42 | 0.39 | 0.39 |
| Consensus Estimate | 0.43 | 0.41 | 6.54 |
| Trailing 12 Months | Year-Earlier Period | % Change | |
| EPS, Pro Forma | 1.16 | 1.12 | 4.01 |
| EPS, GAAP | 1.16 | 1.91 | -38.98 |
| Consensus Estimate | 1.15 | 1.08 | 7.12 |
| STR | Industry Average | |
| P/E (TTM) | 16.82 | NA |
| P/E (Forward) | 16.79 | NA |
| PEG Ratio | 3.10 | 4.29 |
| Price/Sales | 3.10 | 1.82 |
| Beta | 1.26 | 0.57 |
| 5/23/2012 | Natural Gas Filling Stations Few and Far Between (WSJ.com) |
| 4/25/2012 | Stocks to Watch: Apple, Baidu, Caterpillar, Corning (WSJ.com) |
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