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Consolidated Statements of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Operating Revenue | $ 133,992 | $ 139,710 | $ 268,265 | $ 274,543
Operating Expenses |  |  |  |
Salaries, wages, and benefits | 40,939 | 42,962 | 81,537 | 84,958
Rent and purchased transportation | 1,325 | 1,596 | 2,623 | 3,257
Fuel | 38,637 | 41,111 | 81,615 | 83,816
Operations and maintenance | 3,828 | 6,251 | 9,269 | 11,903
Operating taxes and licenses | 2,468 | 2,248 | 4,884 | 4,323
Insurance and claims | 4,744 | 3,952 | 7,604 | 6,466
Communications and utilities | 699 | 746 | 1,472 | 1,493
Depreciation | 16,930 | 13,995 | 31,995 | 27,934
Other operating expenses | 3,691 | 3,647 | 7,506 | 7,626
Gain on disposal of property and equipment | (8,644) | (3,546) | (19,823) | (7,760)
Total operating expenses | 104,617 | 112,962 | 208,682 | 224,016
Operating income | 29,375 | 26,748 | 59,583 | 50,527
Interest income | 129 | 167 | 253 | 309
Income before income taxes | 29,504 | 26,915 | 59,836 | 50,836
Federal and state income taxes | 10,366 | 8,688 | 20,962 | 16,020
Net income | 19,138 | 18,227 | 38,874 | 34,816
Other comprehensive income, net of tax | 600 | 1,797 | 600 | 1,797
Comprehensive income | $ 19,738 | $ 20,024 | $ 39,474 | $ 36,613
Net income per share |  |  |  |
Basic | $ 0.23 | $ 0.21 | $ 0.46 | $ 0.40
Diluted | $ 0.23 | $ 0.21 | $ 0.46 | $ 0.40
Weighted average shares outstanding |  |  |  |
Basic | 84,789 | 86,451 | 84,780 | 86,463
Diluted | 85,039 | 86,779 | 85,042 | 86,802
Dividends declared per share | $ 0.02 | $ 0.02 | $ 0.04 | $ 0.04

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