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Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011
Revenues: |  |  |  |  |
Net premiums earned | $ 637,247 |  | $ 642,331 | $ 1,273,059 | $ 1,280,818
Net investment income | 31,673 |  | 36,009 | 63,159 | 71,105
Net realized investment (losses) gains | (23,759) |  | 23,764 | 28,904 | 52,454
Other | 2,544 |  | 4,443 | 5,258 | 7,713
Total revenues | 647,705 |  | 706,547 | 1,370,380 | 1,412,090
Expenses: |  |  |  |  |
Losses and loss adjustment expenses | 497,251 |  | 451,338 | 947,167 | 897,799
Policy acquisition costs | 117,726 |  | 122,829 | 235,156 | 244,633
Other operating expenses | 51,203 |  | 55,098 | 104,128 | 113,770
Interest | 378 |  | 1,669 | 788 | 3,364
Total expenses | 666,558 |  | 630,934 | 1,287,239 | 1,259,566
(Loss) income before income taxes | (18,853) |  | 75,613 | 83,141 | 152,524
Income tax (benefit) expense | (13,589) |  | 18,362 | 15,049 | 37,047
Net (loss) income | $ (5,264) |  | $ 57,251 | $ 68,092 | $ 115,477
Net (loss) income per share: |  |  |  |  |
Basic (in dollars per share) | $ (0.10) |  | $ 1.04 | $ 1.24 | $ 2.11
Diluted (in dollars per share) | $ (0.10) | [1] | $ 1.04 | $ 1.24 | $ 2.11
Weighted average shares outstanding: |  |  |  |  |
Basic (in shares) | 54,895 |  | 54,820 | 54,886 | 54,814
Diluted (in shares) | 54,895 | [1] | 54,837 | 54,915 | 54,834
Dividends paid per share (in dollars per share) | $ 0.61 |  | $ 0.60 | $ 1.22 | $ 1.20
[1] | The dilutive impact of incremental shares for 2012 is excluded from loss position in accordance with U.S. generally accepted accounting principles (“GAAP”).

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- Definition The total amount of expense recognized during the period for future policy benefits, claims and claims adjustment costs, and for selling, general and administrative costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.5,6,7) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 5, 6, 7 -Article 7 + Details
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