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Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Revenues: |  |
Net premiums earned | $ 420,940 | $ 378,829
Net investment income earned | 32,870 | 32,628
Net realized gains: |  |
Net realized investment gains | 5,304 | 4,779
Other-than-temporary impairments | (1,919) | (257)
Other-than-temporary impairments on fixed maturity securities recognized in other comprehensive income | (30) | (164)
Total net realized gains | 3,355 | 4,358
Other income | 2,784 | 3,533
Total revenues | 459,949 | 419,348
Expenses: |  |
Loss and loss expense incurred | 269,849 | 252,906
Policy acquisition costs | 139,528 | 127,958
Interest expense | 5,831 | 4,700
Other expenses | 15,873 | 10,593
Total expenses | 431,081 | 396,157
Income from continuing operations before federal income tax | 28,868 | 23,191
Federal income tax expense (benefit): |  |
Current | 7,453 | 7,178
Deferred | (890) | (2,080)
Total federal income tax expense | 6,563 | 5,098
Net income from continuing operations | 22,305 | 18,093
Loss on disposal of discontinued operations, net of tax $(538) | (997) | 0
Net income | $ 21,308 | $ 18,093
Earnings per share: |  |
Basic net income from continuing operations | $ 0.40 | $ 0.33
Basic net loss from discontinued operations | $ (0.02) | $ 0.00
Basic net income | $ 0.38 | $ 0.33
Diluted net income from continuing operations | $ 0.40 | $ 0.33
Diluted net loss from discontinued operations | $ (0.02) | $ 0.00
Diluted net income | $ 0.38 | $ 0.33
Dividends to stockholders | $ 0.13 | $ 0.13

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