7Baggers

Markel Corporation
(NYSE:MKL) 

MKL stock logo

Markel Corporation, a diverse financial holding company, markets and underwrites specialty insurance products in the United States, Bermuda, the United Kingdom, rest of Europe, Canada, Latin America, the Asia Pacific, and the Middle East. Its Insurance segment offers general and professional liabili...

Founded: 1930
Full Time Employees: 18,600
Sector: Financial Services
Industry: Insurance-Property & Casualty

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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 
                                                                   
      operating revenues
                                                                   
      earned premiums
    2,048,886,000 2,278,829,000 2,205,773,000 2,141,691,000 2,089,374,000 2,117,578,000 2,110,108,000 2,077,099,000 2,127,627,000 2,174,887,000 2,121,745,000 2,031,143,000 1,967,704,000 2,038,088,000 1,956,830,000 1,833,104,000 1,759,770,000 1,806,797,000 1,630,500,000 1,568,037,000 1,497,695,000 1,526,894,000 1,394,428,000 1,360,174,000 1,330,709,000 1,346,323,000 1,300,032,000 1,199,461,000 1,203,977,000 1,227,532,000 1,185,323,000 1,148,184,000 1,151,021,000 1,131,940,000 1,099,862,000 1,033,574,000 982,602,000 983,081,000 974,244,000 950,859,000 957,686,000 958,650,000 963,675,000 957,557,000 943,650,000 971,931,000 954,007,000 965,599,000 949,375,000 962,487,000 919,723,000 784,819,000 564,587,000 573,939,000 530,537,000 513,056,000 529,596,000 509,203,000 490,201,000 463,111,000 435,355,000 416,688,000 412,135,000 
      net investment income
    255,890,000 257,648,000 245,675,000 230,009,000 237,095,000 243,689,000 235,477,000 223,061,000 218,269,000 213,297,000 192,207,000 169,693,000 159,335,000 172,632,000 107,731,000 93,658,000 72,734,000 90,506,000 91,264,000 96,261,000 96,570,000 97,588,000 90,384,000 95,615,000 88,243,000 112,493,000 113,382,000 111,831,000 114,182,000 114,505,000 106,307,000 105,387,000 108,016,000 101,553,000 104,489,000 99,299,000 100,368,000 93,793,000 93,147,000 94,996,000 91,294,000 82,692,000 87,060,000 90,586,000 92,875,000 93,250,000 91,096,000 92,169,000 86,715,000 88,585,000 86,192,000 77,979,000 64,617,000 74,273,000 64,438,000 63,602,000 79,794,000 62,199,000 64,253,000 70,099,000 68,652,000 64,384,000 68,402,000 
      products revenues
    572,421,000 563,002,000 607,493,000 846,925,000 561,124,000 575,323,000 612,277,000 847,219,000 600,840,000 580,721,000 601,524,000 784,882,000 577,926,000 581,985,000 586,531,000 776,959,000 481,621,000 384,976,000 405,711,000 592,601,000 328,832,000 321,734,000 342,039,000 423,581,000 352,161,000 372,408,000 386,708,000 501,676,000 348,794,000                                   
      services and other revenues
    673,408,000 908,486,000 875,608,000 803,918,000 660,583,000 786,986,000 735,872,000 684,481,000 617,638,000 740,733,000 725,627,000 672,291,000 565,861,000 819,250,000 696,536,000 643,129,000 650,510,000 673,083,000 585,712,000 569,120,000 450,226,000 560,559,000 545,582,000 341,402,000 245,994,000 218,571,000 200,792,000 200,495,000 193,344,000                                   
      total operating revenues
    3,550,605,000 4,007,965,000 3,934,549,000 4,602,766,000 3,399,105,000 3,841,001,000 4,611,264,000 3,701,843,000 4,466,655,000 4,642,519,000 3,375,186,000 4,142,536,000 3,643,389,000 4,210,747,000 3,066,145,000 1,792,207,000 2,606,236,000 3,758,105,000 2,687,354,000 3,500,772,000 2,900,194,000 3,355,650,000 2,911,735,000 3,132,015,000 335,666,000 2,581,529,000 2,033,058,000 2,439,116,000 2,472,488,000 1,042,852,000 2,235,949,000 1,987,013,000 1,575,471,000 1,662,267,000 1,506,148,000 1,481,493,000 1,411,751,000 1,428,625,000 1,431,282,000 1,375,937,000 1,376,182,000 1,420,460,000 1,342,764,000 1,304,605,000 1,302,154,000 1,335,755,000 1,299,286,000 1,258,971,000 1,239,655,000 1,279,785,000 1,191,665,000 1,031,769,000 819,864,000 807,955,000 765,775,000 693,247,000 733,135,000 676,088,000 647,168,000 621,594,000 561,354,000 515,414,000 536,719,000 
      net investment losses
    -727,562,000                                                               
      operating expenses
                                                                   
      losses and loss adjustment expenses
    1,166,817,000 1,283,320,000 1,253,826,000 1,288,034,000 1,254,665,000 1,241,815,000 1,290,612,000 1,232,575,000 1,287,747,000 1,556,794,000 1,404,325,000 1,187,876,000 1,173,014,000 1,229,094,000 1,185,313,000 1,058,810,000 972,372,000 938,091,000 948,241,000 814,955,000 879,918,000 814,150,000 863,247,000 713,216,000 1,076,348,000 773,190,000 752,134,000 678,120,000 687,746,000 869,573,000 736,846,000 599,178,000 615,118,000 655,632,000 1,075,432,000 522,978,000 611,719,000 485,819,000 579,405,000 511,556,000 473,964,000 470,819,000 484,737,000 536,194,000 446,995,000 478,792,000 570,966,000 610,406,000 542,303,000 552,599,000 533,372,000 442,406,000 287,896,000 340,994,000 303,459,000 221,094,000 288,521,000 306,632,000 306,683,000 314,328,000 224,840,000 251,235,000 260,170,000 
      underwriting, acquisition, and insurance expenses
    739,828,000 829,013,000 782,501,000                                                             
      products expenses
    517,430,000 524,612,000 555,493,000 707,381,000 499,908,000 505,289,000 549,990,000 693,693,000 523,247,000 507,884,000 545,567,000 651,469,000 515,756,000 515,369,000 580,830,000 697,718,000 447,819,000 371,371,000 374,407,000 502,202,000 296,526,000 281,234,000 296,371,000 364,483,000 314,071,000 356,277,000 354,404,000 425,138,000 319,426,000                                   
      services and other expenses
    628,784,000 745,126,000 721,712,000 674,587,000 567,628,000 667,150,000 609,321,000 611,063,000 536,838,000 632,523,000 606,810,000 590,817,000 480,619,000 614,432,000 540,569,000 559,858,000 591,776,000 580,593,000 513,994,000 516,251,000 412,097,000 536,387,000 522,237,000 284,940,000 217,556,000 176,919,000 153,358,000 170,796,000 174,606,000                                   
      amortization of acquired intangible assets
    43,513,000 42,791,000 44,061,000 51,213,000 46,942,000 46,491,000 46,459,000 44,237,000 44,285,000                                                       
      total operating expenses
    3,096,372,000 3,424,862,000 3,357,593,000 3,495,426,000 3,116,581,000 3,245,531,000 3,239,938,000 3,291,863,000 3,130,869,000 3,510,461,000 3,302,376,000 3,172,472,000 2,889,493,000 3,155,160,000 2,993,402,000 2,971,378,000 2,648,381,000 2,580,920,000 2,445,666,000 2,421,501,000 2,154,837,000 2,211,088,000 2,219,343,000 1,889,755,000 2,140,996,000 1,827,707,000 1,770,810,000 1,772,670,000 1,677,658,000 1,974,989,000 1,680,344,000 1,675,732,000 1,470,461,000 1,483,175,000 1,834,282,000 1,240,151,000 1,284,305,000 1,216,207,000 1,278,649,000 1,182,249,000 1,131,005,000 1,141,206,000 1,160,019,000 1,175,031,000 1,033,321,000 1,140,892,000 1,166,157,000 1,174,823,000 1,093,975,000 1,142,371,000 1,068,912,000 957,552,000 678,501,000 718,364,000 688,598,000 551,912,000 636,426,000 585,273,000 588,556,000 591,181,000 451,457,000 467,166,000 456,193,000 
      operating income
    -273,329,000 795,146,000 1,009,842,000 1,107,340,000 282,524,000 595,470,000 1,371,326,000 409,980,000 1,335,786,000 1,132,058,000 72,810,000 970,064,000 753,896,000 1,055,587,000 72,743,000 -1,179,171,000 -42,145,000 1,177,185,000 241,688,000 1,079,271,000 745,357,000 1,144,562,000 692,392,000 1,242,260,000 -1,805,330,000 753,822,000 262,248,000 666,446,000 794,830,000 -932,137,000 555,605,000 311,281,000 105,010,000 179,092,000 -328,134,000 241,342,000 127,446,000 212,418,000 152,633,000 193,688,000 245,177,000 279,254,000 182,745,000 129,574,000 268,833,000 194,863,000 133,129,000 84,148,000 145,680,000 137,414,000 122,753,000 74,217,000 141,363,000 89,591,000 77,177,000 141,335,000 96,709,000 90,815,000 58,612,000 30,413,000 109,897,000 48,248,000 80,526,000 
      yoy
    -196.75% 33.53% -26.36% 170.10% -78.85% -47.40% 1783.43% -57.74% 77.18% 7.24% 0.09% -182.27% -1888.81% -10.33% -69.90% -209.26% -105.65% 2.85% -65.09% -13.12% -141.29% 51.83% 164.02% 86.40% -327.13% -180.87% -52.80% 114.10% 656.91% -620.48% -269.32% 28.98% -17.60% -15.69% -314.98% 24.60% -48.02% -23.93% -16.48% 49.48% -8.80% 43.31% 37.27% 53.98% 84.54% 41.81% 8.45% 13.38% 3.05% 53.38% 59.05% -47.49% 46.17% -1.35% 31.67% 364.72% -12.00% 88.23% -27.21%     
      qoq
    -134.37% -21.26% -8.80% 291.95% -52.55% -56.58% 234.49% -69.31% 18.00% 1454.81% -92.49% 28.67% -28.58% 1351.12% -106.17% 2697.89% -103.58% 387.07% -77.61% 44.80% -34.88% 65.31% -44.26% -168.81% -339.49% 187.45% -60.65% -16.15% -185.27% -267.77% 78.49% 196.43% -41.37% -154.58% -235.96% 89.37% -40.00% 39.17% -21.20% -21.00% -12.20% 52.81% 41.04% -51.80% 37.96% 46.37% 58.21% -42.24% 6.02% 11.94% 65.40% -47.50% 57.79% 16.09% -45.39% 46.14% 6.49% 54.94% 92.72% -72.33% 127.78% -40.08%  
      interest expense
    -50,886,000 -50,016,000 -50,678,000 -53,076,000 -52,140,000 -52,794,000 -53,361,000 -52,597,000 -45,548,000 -43,865,000 -44,553,000 -47,221,000 -49,438,000 -48,972,000 -47,348,000 -50,050,000 -49,692,000 -48,167,000 -46,455,000 -46,568,000 -42,389,000 -44,381,000 -42,744,000 -45,427,000 -45,030,000 -300,709,000 47,465,000 41,267,000 40,290,000 39,490,000 37,961,000 36,702,000 40,059,000 35,438,000 31,814,000 31,797,000 33,402,000 32,206,000 33,152,000 33,697,000 30,841,000 29,637,000 30,064,000 29,288,000 29,312,000 28,306,000 29,648,000 29,789,000 29,699,000 31,250,000 30,619,000 28,561,000 23,574,000 23,694,000 24,692,000 22,209,000 22,167,000 23,656,000 21,898,000 18,962,000 18,598,000 18,334,000 17,959,000 
      net foreign exchange gains
    54,277,000         -81,387,000 39,246,000 -14,976,000 -32,928,000 -105,147,000 115,130,000 106,732,000 23,494,000 10,594,000 48,850,000 -12,257,000 25,084,000 -87,117,000 -65,577,000 -21,460,000 78,301,000 54,736,000 -53,850,000 -25,015,000  -16,356,750 -1,383,000 -86,158,000                                
      income before income taxes
    -269,938,000 734,159,000 978,443,000 862,355,000 157,751,000 723,515,000 1,206,353,000 366,094,000 1,341,738,000 1,006,806,000 67,503,000 907,867,000 671,530,000 901,468,000 140,525,000 -1,122,489,000 -68,343,000 1,139,612,000 244,083,000 1,020,446,000 728,052,000 1,013,064,000 584,071,000 1,175,373,000 -1,772,059,000 641,010,000 261,928,000 650,194,000 732,676,000 -930,456,000 519,027,000 360,737,000 42,837,000 143,654,000 -359,948,000 209,545,000 94,044,000 180,212,000 119,481,000 115,891,000 214,336,000 249,617,000 152,681,000 100,286,000 239,521,000 166,557,000 103,481,000 54,359,000 115,981,000 106,164,000 92,134,000 45,656,000 117,789,000 65,897,000 52,485,000 119,126,000 74,542,000 67,159,000 36,714,000 11,451,000 91,299,000 29,914,000 62,567,000 
      income tax benefit
    65,582,000         -212,713,000 -14,235,000 -191,937,000 -133,731,000 -191,900,000 -17,995,000 239,102,000 18,429,000   -217,112,000 -148,371,000   -243,702,000 370,683,000                                       
      net income
    -204,356,000 582,086,000 763,787,000 677,185,000 129,347,000 561,432,000 946,942,000 289,850,000 1,049,182,000 794,093,000 53,268,000 715,930,000 537,799,000 709,568,000 122,530,000 -883,387,000 -49,914,000 875,052,000 189,668,000 803,334,000 579,681,000 847,429,000 454,043,000 931,671,000 -1,401,376,000 511,513,000 203,953,000 506,483,000 577,513,000 -753,374,000 409,028,000 279,587,000 -65,594,000 439,326,000 -261,035,000 151,427,000 71,040,000 132,703,000 83,421,000 80,673,000 163,646,000 198,273,000 104,410,000 92,453,000 194,006,000 118,222,000 76,824,000 41,141,000 87,501,000 98,939,000 66,967,000 28,676,000 89,263,000 58,093,000 51,674,000 90,768,000 57,713,000 54,669,000 31,649,000 9,861,000 63,157,000 20,917,000 43,206,000 
      yoy
    -257.99% 3.68% -19.34% 133.63% -87.67% -29.30% 1677.69% -59.51% 95.09% 11.91% -56.53% -181.04% -1177.45% -18.91% -35.40% -209.97% -108.61% 3.26% -58.23% -13.77% -141.37% 65.67% 122.62% 83.95% -342.66% -167.90% -50.14% 81.15% -980.44% -271.48% -256.69% 84.63% -192.33% 231.06% -412.91% 87.70% -56.59% -33.07% -20.10% -12.74% -15.65% 67.71% 35.91% 124.72% 121.72% 19.49% 14.72% 43.47% -1.97% 70.31% 29.60% -68.41% 54.67% 6.26% 63.27% 820.47% -8.62% 161.36% -26.75%     
      qoq
    -135.11% -23.79% 12.79% 423.54% -76.96% -40.71% 226.70% -72.37% 32.12% 1390.75% -92.56% 33.12% -24.21% 479.10% -113.87% 1669.82% -105.70% 361.36% -76.39% 38.58% -31.60% 86.64% -51.27% -166.48% -373.97% 150.80% -59.73% -12.30% -176.66% -284.19% 46.30% -526.24% -114.93% -268.30% -272.38% 113.16% -46.47% 59.08% 3.41% -50.70% -17.46% 89.90% 12.93% -52.35% 64.10% 53.89% 86.73% -52.98% -11.56% 47.74% 133.53% -67.87% 53.66% 12.42% -43.07% 57.27% 5.57% 72.74% 220.95% -84.39% 201.94% -51.59%  
      net income attributable to noncontrolling interests
    -7,933,000 -5,274,000 -12,451,000 -20,037,000 -7,633,000 -12,254,000 -41,983,000 -22,149,000 -23,998,000 -24,787,000 -10,677,000 -20,419,000 -49,147,000 -19,858,000 -57,161,000 -32,972,000 -2,929,000 -3,923,000 -1,598,000 -11,224,000 -5,987,000   -9,903,000 -4,387,000 2,146,750 -1,684,000 9,185,000 1,086,000 -1,831,000 -410,000 1,356,000 -1,288,000 4,445,000 -1,894,000 1,767,000 1,171,000 -23,000 -375,000 1,876,000 3,276,000 381,000 1,891,000 1,084,000 3,014,000 627,000 1,021,000 1,073,000 -215,000 175,000 1,368,000 920,000 361,000 1,301,000 2,021,000 1,081,000 460,000 1,405,000 1,335,000 1,589,000 -93,000   
      net income to shareholders
    -212,289,000 576,812,000 751,336,000 657,148,000 121,714,000 549,178,000 904,959,000 267,701,000 1,025,184,000 769,306,000 42,591,000 695,511,000 488,652,000 689,710,000 65,369,000 -916,359,000 -52,843,000 871,129,000 188,070,000 792,110,000 573,694,000 847,299,000 452,726,000 921,768,000 -1,405,763,000 511,104,000 205,637,000 497,298,000 576,427,000 -751,543,000 409,438,000 278,231,000 -64,306,000 434,881,000 -259,141,000 149,660,000 69,869,000 132,726,000 83,796,000 78,797,000 160,370,000 197,892,000 102,519,000 91,369,000 190,992,000 117,595,000 75,803,000 40,068,000 87,716,000 98,764,000 65,599,000 27,756,000 88,902,000 56,792,000 49,653,000 89,687,000 57,253,000 53,264,000 30,314,000 8,272,000 63,250,000 20,831,000 42,569,000 
      other comprehensive income
                                                                   
      change in net unrealized losses on available-for-sale investments, net of taxes
    -133,821,000 22,183,000 47,278,000 202,512,000 218,377,000 70,748,000 434,564,000 -28,870,000 -122,702,000                                                       
      other, net of taxes
    5,717,000 7,330,000 -5,537,000                                                             
      total other comprehensive income
    -128,104,000 29,513,000 41,741,000 210,404,000 225,929,000 -423,205,000 424,523,000 -23,333,000 -116,739,000   -130,983,000 157,745,000   -365,033,000  -81,777,000 -107,865,000 57,561,000 -214,680,000 84,656,000 67,381,000 170,755,000 52,830,000 -22,832,000 44,374,000 126,036,000 155,823,000 71,170,000 -94,391,000 -113,918,000 -110,491,000 194,392,000 239,276,000 192,711,000 153,372,000 -161,788,000 5,364,000 131,156,000 236,632,000 -62,934,000 -153,653,000 -224,320,000 90,785,000 300,969,000 -39,302,000 210,525,000 142,564,000 107,714,000 78,810,000 -176,810,000 168,782,000 20,232,000 97,806,000 -16,318,000 148,692,000 -105,890,000 65,731,000 16,466,000 162,078,000 -54,779,000 92,201,000 
      comprehensive income
    -332,460,000 611,599,000 805,528,000 887,589,000 355,276,000 138,227,000 1,371,465,000 266,517,000 932,443,000 1,206,688,000 -96,751,000 584,947,000 695,544,000 889,028,000 -310,377,000 -1,248,420,000 -526,111,000 793,275,000 81,803,000 860,895,000 365,001,000 932,085,000 521,424,000 1,102,426,000 -1,348,546,000 488,681,000 248,327,000 632,519,000 733,336,000 -682,204,000 314,637,000 165,669,000 -176,085,000 633,718,000 -21,759,000 344,138,000 224,412,000 -29,085,000 88,785,000 211,829,000 400,278,000 135,339,000 -49,243,000 -131,867,000 284,791,000 419,191,000 37,522,000 251,666,000 230,065,000 206,653,000 145,777,000 -148,134,000 258,045,000 78,325,000 149,480,000 74,450,000 206,405,000 -51,221,000 97,380,000 26,327,000 225,235,000 -33,862,000 135,407,000 
      comprehensive income attributable to noncontrolling interests
    -7,970,000 -5,274,000 -12,402,000 -20,078,000 -7,606,000 -12,276,000 -42,007,000 -22,161,000 -24,058,000 -24,758,000 -10,749,000 -20,398,000 -49,179,000 -19,941,000 -57,051,000 -33,029,000 -2,916,000 -3,918,000 -1,567,000 -11,241,000 -6,004,000   -10,033,000 -4,263,000 2,134,500 -1,742,000 9,189,000 1,091,000 -1,831,000 -469,000 1,333,000 -1,246,000 4,471,000 -1,890,000 1,781,000 1,173,000 -35,000 -376,000 1,887,000 3,284,000 355,000 1,900,000 1,058,000 2,984,000 620,000 1,020,000 1,078,000 -208,000 203,000 1,368,000 920,000 361,000 1,338,000 2,026,000 1,034,000 460,000 1,405,000 1,335,000 1,589,000 -93,000   
      comprehensive income to shareholders
    -340,430,000 606,325,000 793,126,000 867,511,000 347,670,000 125,951,000 1,329,458,000 244,356,000 908,385,000 1,181,930,000 -107,500,000 564,549,000 646,365,000 869,087,000 -367,428,000 -1,281,449,000 -529,027,000 789,357,000 80,236,000 849,654,000 358,997,000 931,961,000 520,089,000 1,092,393,000 -1,352,809,000 488,244,000 250,069,000 623,330,000 732,245,000 -680,373,000 315,106,000 164,336,000 -174,839,000 629,247,000 -19,869,000 342,357,000 223,239,000 -29,050,000 89,161,000 209,942,000 396,994,000 134,984,000 -51,143,000 -132,925,000 281,807,000 418,571,000 36,502,000 250,588,000 230,273,000 206,450,000 144,409,000 -149,054,000 257,684,000 76,987,000 147,454,000 73,416,000 205,945,000 -52,626,000 96,045,000 24,738,000 225,328,000 -33,903,000 134,539,000 
      net income per common share
                                                                   
      basic
    -18,900 48,820 59,440 49,800 12,110 38,980 66,400 18,660 75,560 56,460 3,150 50,200 37,330 48,740 3,510 -69,190 -6,580 62,530 15,120 57,120 42,090 59,430 31,070 65,810 -100.6 36.33 13.97 36.1 42.81 -53.84 28.56 20.01 -4.25 30.41 -18.82 10.34 3.91 9.14 5.62 5.44 11.21 14.23 7.43 6.76 13.57 8.1 5.33 2.67 6.28 7.19 4.69 2.24 9.53 6.24 5.33 8.44 5.94 5.5 3.12 0.85 6.49 2.13 4.34 
      diluted
    -18,900 48,620 59,250 49,670 12,080 38,900 66,250 18,620 75,430 56,290 3,140 50,090 37,260 48,740 3,500 -69,190 -6,580 62,310 15,090 57,020 42,020 59,390 31,030 65,750 -100.6 36.23 13.95 36.07 42.76 -53.76 28.5 19.97 -4.25 30.33 -18.82 10.31 3.9 9.11 5.6 5.41 11.15 14.14 7.39 6.72 13.49 8.06 5.3 2.66 6.25 7.15 4.67 2.24 9.5 6.22 5.32 8.42 5.92 5.48 3.11 0.85 6.48 2.12 4.33 
      net investment gains
     212,043,000 432,886,000 580,223,000 -149,071,000 117,425,000 917,530,000 -130,017,000 902,281,000 932,881,000 -265,917,000 484,527,000 372,563,000 598,792,000 -281,483,000 -1,554,643,000 -358,399,000 802,743,000 -25,833,000 674,753,000 526,871,000 848,875,000 539,302,000 911,243,000 -1,681,441,000 531,734,000 32,144,000 425,653,000 612,191,000 -845,922,000 426,075,000 105,249,000 -122,998,000                               
      foreign exchange gains
     -61,315,750 19,279,000 -191,909,000 -72,633,000 -12,850,250 -111,612,000 8,711,000 51,500,000                                                       
      income tax expense
     -152,073,000 -214,656,000 -185,170,000 -28,404,000 -157,052,750 -259,411,000 -76,244,000 -292,556,000         -264,560,000 -54,415,000   -165,635,000 -130,028,000   89,212,250 57,975,000 143,711,000 155,163,000 -177,082,000 109,999,000 81,150,000 108,431,000 -295,672,000 -98,913,000 58,118,000 23,004,000 47,509,000 36,060,000 35,218,000 50,690,000 51,344,000 48,271,000 7,833,000 45,515,000 48,335,000 26,657,000 13,218,000 28,480,000 7,225,000 25,167,000 16,980,000 28,526,000 7,804,000 811,000 28,358,000 16,829,000 12,490,000 5,065,000 1,590,000 28,142,000 8,997,000 19,361,000 
      preferred stock dividends and redemption premiums
       -26,109,000                                                            
      net income to common shareholders
     576,812,000 751,336,000 631,039,000 121,714,000 531,178,000 904,959,000 249,701,000 1,025,184,000 751,306,000 42,591,000 677,511,000 488,652,000 671,710,000 65,369,000 -934,359,000 -52,843,000 853,129,000 188,070,000 774,110,000 573,694,000 828,899,000 452,726,000 921,768,000                                        
      change in net unrealized losses on available-for-sale investments, net of taxes:
                                                                   
      net holding gains arising during the period
     116,183,500 50,995,000 197,533,000 216,206,000 -413,888,000 434,310,000 -40,299,000 -128,425,000   -134,991,000 161,206,000   -362,392,000  -85,636,000 -104,238,000 55,935,000 -214,376,000 54,672,000 64,449,000 172,661,000 64,377,000 -29,988,000 48,315,000 128,467,000 152,331,000 64,744,000 -91,002,000 -98,145,000 -116,922,000 209,543,000 227,447,000 190,069,000 160,280,000 -135,733,000 23,098,000 149,406,000 238,890,000 18,216,000 -149,266,000 -230,142,000 121,022,000 339,639,000 -7,532,000 208,332,000 147,296,000 118,072,000 84,564,000 -158,690,000 181,599,000 20,369,000 100,630,000 -8,029,000 153,455,000 -90,330,000 64,403,000 20,321,000 167,638,000 -49,927,000 97,441,000 
      reclassification adjustments for net gains in net income
     858,250 -3,717,000                                                             
      underwriting, acquisition and insurance expenses
       774,211,000 747,438,000 784,786,000 743,556,000 710,295,000 738,752,000 769,013,000 698,129,000 697,887,000 675,705,000 672,477,000 643,272,000 609,469,000 590,365,000 648,876,000 569,756,000 548,364,000 526,743,000 540,278,000 492,824,000 489,362,000 495,163,000 485,346,000 475,219,000 462,316,000 455,212,000 459,590,000 441,961,000 451,570,000 424,390,000 418,239,000 395,909,000 400,035,000 373,231,000 385,801,000 372,521,000 375,580,000 364,688,000 369,124,000 365,619,000 379,652,000 340,685,000 388,897,000 350,493,000 365,987,000 355,505,000 368,418,000 352,126,000 363,095,000 228,673,000 234,150,000 231,841,000 224,784,000 238,697,000 202,316,000 196,845,000 202,350,000 181,640,000 179,106,000 156,668,000 
      reclassification adjustments for net losses in net income
       4,979,000 2,171,000 4,351,500 254,000 11,429,000 5,723,000                                                       
      change in discount rate for life and annuity benefits, net of taxes
       -1,664,000 7,378,000 2,159,000 -14,298,000 5,973,000 6,418,000 -31,124,000 14,609,000 3,224,000 -9,052,000                                                   
      change in foreign currency translation adjustments, net of taxes
       9,535,000 155,000 -7,071,000 4,236,000 -455,000 -475,000 1,951,000 -187,000 361,000 2,579,000 5,136,000 -8,872,000 -4,275,000 -1,248,000 117,000 -4,437,000 4,915,000 -808,000 38,230,000 5,756,000 -1,405,000 -12,734,000 6,360,000 -4,606,000 -3,749,000 2,377,000 3,473,000 -14,471,000 -10,450,000 4,953,000 -9,321,000 16,263,000 1,962,000 1,545,000 -5,563,000 -8,349,000 -8,121,000 10,329,000 -6,995,000 -10,854,000 10,385,000 -21,814,000 -12,602,000 -27,223,000 6,671,000 913,000 -212,000 1,709,000 -10,459,000 -1,181,000 -1,393,000 3,266,000 -3,162,000 2,823,000 -8,133,000 156,000 2,439,000    
      change in net actuarial pension loss, net of taxes
       21,000 19,000 -5,006,000 21,000 19,000 20,000 18,000 20,000 18,000 18,000 22,922,000 303,000 373,000 1,132,000 6,558,000 586,000 654,000 592,000 -8,420,000 538,000 884,000  2,704,000 462,000 515,000 1,361,000 600,000 509,000 568,000 664,000 3,868,000 773,000 902,000 716,000 -20,347,000 390,000 394,000 463,000 -1,759,000 475,000 469,000 463,000 -15,714,000 320,000 325,000 319,000 2,919,000 410,000 366,000 370,000 5,177,000 522,000 482,000 483,000 379,000 355,000 346,000 350,000 336,000 350,000 
      preferred stock dividends
         -18,000,000  -18,000,000  -18,000,000  -18,000,000  -18,000,000  -18,000,000  -18,000,000  -18,000,000                                            
      amortization of intangible assets
             44,247,000 47,545,000 44,423,000 44,399,000 43,788,000 43,418,000 45,523,000 46,049,000 41,989,000 39,268,000 39,729,000 39,553,000 39,039,000 44,664,000 37,754,000 37,858,000 35,975,000 35,695,000 36,300,000 40,668,000 29,671,000 27,795,000 29,641,000 28,823,000 27,308,000 18,654,000 18,026,000 16,770,000 17,059,000 17,010,000 17,204,000 17,260,000 18,444,000 18,914,000 16,949,000 14,640,000 16,635,000 13,505,000 13,488,000 13,999,000 17,468,000 16,848,000 11,292,000 9,615,000 8,434,000 7,959,000 8,315,000 8,804,000 6,023,000 5,555,000 6,008,000 3,903,000 3,856,000 3,958,000 
      other comprehensive loss
                                                                   
      change in net unrealized gains on available-for-sale investments, net of taxes:
                                                                   
      net holding losses arising during the period
             -40,278,750 -187,330,000   -315,959,750 -424,929,000  -476,518,000                                               
      reclassification adjustments for net losses included in net income
             6,567,000 22,869,000 405,000 2,994,000             190,000 203,000                                     
      change in net unrealized gains on available-for-sale investments, net of taxes
             441,750,000 -164,461,000 -134,586,000 164,200,000 151,402,000 -424,338,000 -361,131,000 -476,081,000 -88,452,000 -104,014,000 51,992,000 -214,464,000 54,846,000 61,087,000 171,276,000 65,564,000 -31,896,000 48,518,000 129,270,000 152,085,000 67,097,000 -80,429,000 -104,036,000 -116,108,000                               
      total other comprehensive loss
             -30,814,250 -150,019,000   -318,534,250 -432,907,000  -476,197,000                                               
      reclassification adjustments for net gains included in net income
                 42,617,000 591,000 1,261,000 437,000 -2,816,000 224,000 -3,943,000 -88,000 174,000 -3,362,000 -1,385,000 1,187,000   803,000 -246,000 2,353,000 10,573,000 -5,891,000 814,000 -9,698,000 -5,207,000 -222,000 -9,169,000 -220,000 -9,758,000 -10,567,000 -12,983,000 -72,445,000 6,000,000 -4,984,000 -9,053,000 -10,409,000 -4,990,000 -4,818,000 -5,944,000 -12,964,000 -7,654,000 -7,957,000 -12,255,000 -3,897,000 -6,484,000 -5,739,000 -7,931,000 -7,995,000 -827,000 -6,464,000 -5,744,000 -3,099,000 -10,540,000 
      net investment gains:
                                                                   
      net realized investment gains
                         2,965,250 4,935,000 -2,812,000 9,738,000 191,000 150,000 -67,000 681,000     -3,788,000 -40,007,000 17,627,000 20,865,000 -689,000 27,416,000 17,241,000 21,179,000 109,511,000 -14,707,000 6,105,000 5,571,000 17,291,000 4,195,000 7,120,000 17,394,000 22,451,000 11,238,000 11,546,000 17,917,000 6,237,000 5,231,000 8,216,000 11,909,000 12,839,000 1,344,000 11,240,000 8,782,000 -2,429,000 15,743,000 
      change in fair value of equity securities
                         -60,689,250 534,367,000 914,055,000 -1,691,179,000 533,980,000 31,994,000 425,720,000 611,510,000 -843,032,000 426,571,000 112,891,000 -122,052,000                               
      loss on early extinguishment of debt
                             -24,291,000 6,705,000             44,100,000                        
      net loss attributable to noncontrolling interests
                         -130,000 -1,317,000                                         
      comprehensive loss attributable to noncontrolling interests
                         -124,000 -1,335,000                                         
      net income per share
                                                                   
      basic
    -18,900 48,820 59,440 49,800 12,110 38,980 66,400 18,660 75,560 56,460 3,150 50,200 37,330 48,740 3,510 -69,190 -6,580 62,530 15,120 57,120 42,090 59,430 31,070 65,810 -100.6 36.33 13.97 36.1 42.81 -53.84 28.56 20.01 -4.25 30.41 -18.82 10.34 3.91 9.14 5.62 5.44 11.21 14.23 7.43 6.76 13.57 8.1 5.33 2.67 6.28 7.19 4.69 2.24 9.53 6.24 5.33 8.44 5.94 5.5 3.12 0.85 6.49 2.13 4.34 
      diluted
    -18,900 48,620 59,250 49,670 12,080 38,900 66,250 18,620 75,430 56,290 3,140 50,090 37,260 48,740 3,500 -69,190 -6,580 62,310 15,090 57,020 42,020 59,390 31,030 65,750 -100.6 36.23 13.95 36.07 42.76 -53.76 28.5 19.97 -4.25 30.33 -18.82 10.31 3.9 9.11 5.6 5.41 11.15 14.14 7.39 6.72 13.49 8.06 5.3 2.66 6.25 7.15 4.67 2.24 9.5 6.22 5.32 8.42 5.92 5.48 3.11 0.85 6.48 2.12 4.33 
      impairment of goodwill and intangible assets
                                                                   
      net foreign exchange losses
                                21,864,000    22,114,000                               
      other-than-temporary impairment losses
                                     -328,000 -3,444,000 -604,000 -3,213,000 -6,275,000  -3,675,000 -8,405,000 -21,108,000 -18,281,000  -5,092,000 -926,000 -2,851,000 -1,007,000  -117,000  -4,589,000  -7,927,000 -3,159,000 -992,000  -9,846,000 -1,707,000   -3,916,000 -1,785,000 
      net realized investment gains, excluding other-than-temporary impairment losses
                                 -2,890,000 -496,000 -7,642,000 -946,000 -3,460,000 -36,563,000 18,231,000 24,078,000 5,586,000 27,416,000 20,916,000 29,584,000 130,619,000 3,574,000 6,105,000 10,663,000 18,217,000 7,046,000 8,127,000  22,568,000 11,238,000 16,135,000  14,164,000 8,390,000 9,208,000  22,823,000 6,219,000 11,240,000 8,782,000 1,484,000 18,094,000 
      other revenues
                                 396,467,250 518,244,000 628,193,000 439,432,000 432,562,000 341,804,000 330,993,000 307,916,000 352,440,000 336,475,000 312,841,000 306,023,000 269,607,000 306,736,000 250,357,000 260,058,000 253,283,000 249,988,000 194,083,000 186,171,000 206,262,000 174,512,000 157,425,000 172,743,000 153,506,000 165,569,000 108,373,000 111,836,000 91,847,000 91,370,000 77,144,000 48,565,000 36,771,000 40,439,000 
      other expenses
                                 367,803,750 473,742,000 595,343,000 402,130,000 381,996,000 344,287,000 299,112,000 282,585,000 327,528,000 309,713,000 277,909,000 275,093,000 282,819,000 290,749,000 242,236,000 231,001,000 256,568,000 231,193,000 184,942,000 182,168,000 203,886,000 166,566,000 140,759,000 152,317,000 134,786,000 145,339,000 97,719,000 100,404,000 70,302,000 79,473,000 68,495,000 41,074,000 32,969,000 35,397,000 
      net realized investment gains:
                                                                   
      change in net unrealized gains on investments, net of taxes:
                                                                   
      change in unrealized other-than-temporary impairment losses on fixed maturities arising during the period
                                         75,000 -17,000 44,000 -67,000 49,000 -8,000 -48,000 167,000 55,000 123,000 15,000 -20,000 -101,000 -219,000 -70,000 249,000           
      change in net unrealized gains on investments, net of taxes
                                     199,845,000 222,240,000 189,847,000 151,111,000 -135,878,000 13,323,000 138,883,000 225,840,000 -54,180,000 -143,274,000 -235,174,000 112,136,000 329,285,000 -12,399,000 203,529,000 141,332,000 105,007,000 76,691,000 -166,717,000 169,593,000 16,448,000 94,018,000 -13,638,000 145,386,000 -98,136,000 65,220,000 13,681,000 161,599,000 -52,856,000 87,632,000 
      other-than-temporary impairment losses recognized in other comprehensive income
                                                             -138,000 -3,168,000   3,000 -566,000 
      other-than-temporary impairment losses recognized in net income
                                                         -7,927,000 -3,159,000 -992,000  -9,984,000 -4,875,000   -3,913,000 -2,351,000 
      unrealized other-than-temporary impairment losses on fixed maturities arising during the period
                                                         -34,000 -128,000 130,000 -138,000 189,000 1,644,000 -176,000 -295,000 170,000 731,000 
      change in currency translation adjustments, net of taxes
                                                                129,000 -2,259,000 4,219,000 
      less net income attributable to noncontrolling interests
                                                                 86,000 637,000 
      less comprehensive income attributable to noncontrolling interests
                                                                 41,000 868,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-09-30 2002-06-30 
                                                                                                  
        assets
                                                                                                  
        investments, at estimated fair value:
                                                                                                  
        fixed maturity securities, available-for-sale
      17,943,781,000 17,797,986,000 17,259,981,000 16,772,408,000 16,277,629,000 15,745,539,000 16,067,848,000 14,977,514,000 14,519,370,000 14,372,732,000 12,951,279,000 12,745,692,000 12,403,118,000 11,856,835,000 11,726,357,000 11,943,894,000 12,295,298,000 12,587,305,000 11,962,587,000 11,439,655,000 10,828,145,000 10,681,734,000 10,244,242,000 10,060,472,000                                                                     
        equity securities
      12,302,672,000 13,004,312,000 12,787,616,000 12,330,104,000 11,697,643,000 11,784,521,000 11,591,298,000 10,592,844,000 10,570,975,000 9,577,871,000 8,574,957,000 8,688,860,000 8,113,476,000 7,671,912,000 6,950,357,000 7,170,001,000 8,655,757,000 9,023,927,000 8,220,874,000 8,205,708,000 7,528,817,000 6,994,110,000 6,183,944,000 5,664,247,000 5,684,087,000 7,590,755,000 6,978,874,000 6,875,933,000 6,381,173,000 5,720,945,000 6,549,848,000 6,069,245,000 5,903,803,000 5,967,847,000 5,709,946,000 5,340,827,000 5,038,933,000 4,745,841,000 4,510,427,000 4,395,569,000 4,316,540,000 4,074,475,000 4,156,413,000 4,375,161,000 4,340,849,000 4,137,576,000 3,706,963,000 3,666,018,000 3,399,651,000 3,251,798,000 2,988,614,000 2,810,434,000 2,708,449,000 2,406,951,000 2,341,253,000 2,180,069,000 2,166,841,000 1,609,199,000 1,837,219,000 1,782,584,000 1,586,760,000 1,404,314,000 1,544,543,000 1,349,829,000 1,279,890,000 1,055,879,000 946,099,000 1,073,769,000 1,463,772,000 1,450,017,000 1,726,721,000 1,854,062,000 1,858,539,000 1,816,027,000 1,749,141,000 1,766,273,000 1,539,774,000 1,428,819,000 1,455,837,000 1,385,368,000 1,355,608,000 1,308,549,000 1,338,526,000 1,088,883,000 1,068,056,000 1,055,145,000 805,068,000 729,238,000 563,327,000 550,909,000 514,356,000 541,574,000 
        short-term investments, available-for-sale
      2,026,147,000 2,033,662,000 2,115,757,000 1,894,524,000 2,099,033,000 2,524,910,000 2,355,738,000 2,787,758,000 2,617,642,000 2,571,382,000 2,252,726,000 2,039,061,000 2,487,501,000 2,669,262,000 2,424,844,000 2,055,534,000 2,093,215,000 1,799,988,000 2,757,798,000 3,263,073,000 2,736,982,000 2,034,099,000 1,897,459,000 929,272,000 250,872,000 1,196,248,000 1,545,393,000 1,383,572,000 754,288,000 1,077,696,000 1,918,691,000 1,947,585,000 2,037,238,000                                                            
        total investments
      32,272,600,000 32,835,960,000 32,163,354,000 30,997,036,000 30,074,305,000 30,054,970,000 30,014,884,000 28,358,116,000 27,707,987,000 26,521,985,000 23,778,962,000 23,473,613,000 23,004,095,000 22,198,009,000 21,101,558,000 21,169,429,000 23,044,270,000 23,411,220,000 22,941,259,000 22,908,436,000 21,093,944,000 19,709,943,000 18,325,645,000 16,653,991,000 16,058,574,000 18,757,912,000 18,728,292,000 18,518,145,000 17,297,880,000 16,841,829,000 18,420,592,000 18,150,903,000 17,845,116,000 18,069,491,000 17,624,854,000 17,098,735,000 17,223,487,000 16,973,502,000 16,818,219,000 16,790,689,000 15,793,338,000 15,111,204,000 15,834,347,000 16,083,574,000 16,044,535,000 16,155,307,000 15,868,301,000 15,708,850,000 14,984,619,000 14,846,622,000 14,461,010,000 14,484,594,000 8,898,592,000 8,359,564,000 8,350,844,000 7,972,314,000 8,138,199,000 7,677,539,000 7,917,401,000 7,611,137,000 7,422,215,000 7,192,988,000 7,337,699,000 6,998,179,000 6,932,976,000 6,630,885,000 6,239,636,000 6,268,878,000 6,637,436,000 6,813,845,000 7,122,257,000 7,310,545,000 7,348,939,000 7,240,000,000 7,038,904,000 6,980,180,000 6,762,472,000 6,278,322,000 6,218,167,000              
        cash and cash equivalents
      3,680,461,000 3,964,705,000 4,049,174,000 3,720,202,000 4,193,675,000 3,692,667,000 3,873,041,000 3,510,558,000 3,627,142,000 3,747,060,000 4,354,858,000 4,305,884,000 4,031,952,000 4,137,432,000 3,540,690,000 3,698,854,000 3,891,080,000 3,978,490,000 3,938,626,000 3,679,433,000 3,882,379,000 4,341,736,000 4,593,025,000 4,833,689,000 3,834,664,000 3,072,807,000 2,715,455,000 2,220,793,000 2,415,421,000 2,014,168,000 2,347,040,000 1,945,370,000 2,048,976,000 2,198,459,000 2,076,266,000 2,315,212,000 1,852,735,000 1,738,747,000 2,156,398,000 2,007,938,000 2,284,165,000 2,630,009,000 2,261,201,000 1,852,944,000 1,958,087,000 1,960,169,000 1,765,591,000 1,944,134,000 2,151,420,000 1,978,526,000 2,115,322,000 1,702,622,000 899,075,000 973,181,000 834,828,000 837,208,000 691,797,000 920,193,000 767,954,000 649,947,000 817,954,000 686,675,000 637,672,000 850,494,000 1,038,411,000 686,136,000 646,975,000 639,578,000 588,459,000 682,149,000 612,056,000 477,661,000 383,626,000 403,415,000 402,982,000 555,115,000 403,817,000 333,607,000 288,418,000 377,335,000 391,725,000 332,405,000 378,939,000 356,623,000 367,667,000 265,522,000 370,434,000 349,307,000 245,776,000 444,236,000 415,605,000 424,965,000 
        restricted cash and cash equivalents
      500,817,000 638,597,000 567,729,000 574,891,000 481,267,000 499,581,000 753,476,000 705,444,000 649,598,000 584,974,000 690,004,000 935,045,000 972,901,000 1,084,081,000 1,255,178,000 1,212,463,000 1,316,503,000 902,457,000 568,385,000 672,385,000 615,525,000 874,913,000 669,528,000 793,683,000 623,660,000 427,546,000 484,314,000 420,673,000 348,984,000 382,264,000 279,902,000 299,026,000 392,676,000 302,387,000 279,399,000 271,031,000 261,956,000 346,417,000 383,971,000 353,900,000 454,467,000 440,132,000 371,794,000 522,171,000 550,610,000 522,225,000 583,291,000 582,624,000 634,029,000 786,926,000 600,171,000 396,416,000                                         
        receivables
      3,808,338,000 3,964,598,000 4,268,847,000 4,551,187,000 4,282,558,000 3,626,799,000 3,909,404,000 4,227,835,000 3,608,947,000 3,455,306,000 3,557,500,000 3,695,172,000 3,192,078,000 2,961,056,000 2,956,686,000 3,128,706,000 2,686,731,000 2,413,938,000 2,320,987,000 2,627,218,000 2,254,424,000 1,930,211,000 2,004,080,000 2,362,789,000 2,088,579,000 1,847,802,000 1,930,394,000 2,191,947,000 1,959,137,000 1,692,526,000 1,817,637,000 1,944,751,000 1,749,025,000 1,567,453,000 1,588,636,000 1,589,444,000 1,429,602,000 1,241,649,000 1,312,685,000 1,427,092,000 1,405,210,000 1,113,703,000 1,249,429,000 1,329,743,000 1,193,405,000 1,135,217,000 1,289,010,000 1,516,554,000 1,403,644,000 1,141,773,000 1,253,781,000 1,416,165,000 511,073,000 413,883,000 446,773,000 476,462,000 459,978,000 364,483,000 422,667,000 388,244,000 340,107,000 332,587,000 303,735,000 279,879,000 288,851,000 324,154,000 299,230,000 271,067,000 337,532,000 361,152,000 335,153,000 296,295,000 348,844,000 363,777,000 372,307,000 322,982,000 353,176,000 386,959,000 354,259,000 385,951,000 404,717,000 400,041,000 416,086,000 464,458,000 510,154,000 507,324,000 442,168,000 465,218,000 437,211,000 408,542,000 328,296,000 226,395,000 
        reinsurance recoverables
      15,195,825,000 14,616,279,000 12,989,511,000 12,789,658,000 12,617,479,000 11,604,844,000 10,746,213,000 9,756,660,000 9,575,066,000 9,235,501,000 8,534,919,000 8,296,043,000 8,585,580,000 8,446,745,000 8,258,499,000 7,315,657,000 7,191,433,000 7,293,555,000 6,944,636,000 6,484,269,000 6,188,894,000 5,989,337,000 5,665,838,000 5,472,349,000 5,439,942,000 5,432,712,000 5,372,156,000 5,372,769,000 5,292,335,000 5,221,947,000                                                               
        deferred policy acquisition costs
      857,246,000 909,516,000 984,401,000 975,399,000 960,668,000 875,710,000 967,670,000 1,001,435,000 961,819,000 931,344,000 985,947,000 1,013,304,000 994,365,000 925,483,000 946,064,000 954,521,000 899,358,000 765,915,000 772,127,000 766,736,000 722,865,000 630,794,000 638,134,000 637,760,000 630,600,000 566,042,000 570,323,000 554,233,000 541,012,000 474,513,000 518,853,000 508,214,000 513,814,000 465,569,000 506,294,000 489,836,000 470,788,000 392,410,000 409,195,000 415,700,000 400,052,000 352,756,000 379,767,000 380,808,000 369,632,000 353,410,000 375,618,000 388,784,000 334,593,000 260,967,000 260,230,000 225,492,000 178,682,000 157,465,000 167,185,000 174,274,000 181,686,000 206,534,000 203,940,000 199,921,000 179,413,000 172,479,000 165,976,000 156,797,000 169,478,000 172,164,000 177,979,000 183,755,000 207,337,000 212,913,000 206,175,000 202,291,000 219,432,000 223,111,000 220,702,000 218,392,000 230,569,000 230,408,000 219,272,000 215,734,000 208,256,000 199,729,000 204,579,000 211,887,000 207,613,000 207,221,000 190,573,000 176,907,000 161,126,000 150,547,000 162,694,000 165,315,000 
        prepaid reinsurance premiums
      3,273,077,000 3,073,999,000 3,704,576,000 4,564,408,000 3,334,253,000 2,947,213,000 3,413,314,000 3,672,976,000 2,783,613,000 2,365,243,000 2,707,925,000 2,486,203,000 2,162,117,000 2,066,114,000 2,285,959,000 2,123,256,000 1,940,719,000 1,798,571,000 1,920,184,000 1,708,240,000 1,477,997,000 1,451,858,000 1,457,580,000 1,378,802,000 1,260,009,000 1,415,857,000 1,508,853,000 1,459,272,000 1,334,442,000 1,331,022,000 1,361,044,000 1,266,916,000 1,166,692,000 1,099,757,000 352,676,000 344,639,000 332,385,000 299,923,000 354,186,000 362,865,000 343,107,000 322,362,000 367,626,000 375,965,000 365,496,000 365,458,000 404,710,000 415,129,000 379,621,000 383,559,000 437,435,000 426,514,000 114,175,000 110,332,000 114,354,000 112,399,000 101,149,000 102,138,000 95,082,000 88,190,000 80,253,000 72,057,000 67,288,000 68,307,000 77,350,000 77,293,000 78,455,000 86,534,000 104,446,000 114,054,000 109,317,000 114,711,000 132,841,000 119,678,000 117,068,000 117,889,000 127,961,000 131,311,000 129,963,000 138,335,000 142,875,000 156,450,000 171,955,000 182,589,000 190,176,000 204,333,000 228,523,000 227,739,000 233,420,000 219,665,000 255,263,000 221,466,000 
        goodwill
      2,836,492,000 2,822,091,000 2,820,761,000 2,826,530,000 2,772,105,000 2,735,867,000 2,739,770,000 2,738,147,000 2,626,258,000 2,624,749,000 2,623,451,000 2,626,588,000 2,642,877,000 2,638,838,000 2,797,426,000 2,769,729,000 2,773,587,000 2,899,140,000 2,695,164,000 2,606,138,000 2,604,820,000 2,604,624,000 2,604,575,000 2,606,507,000 2,309,576,000 2,308,548,000 2,187,585,000 2,189,367,000 2,215,818,000 2,237,975,000 1,783,784,000 1,784,667,000 1,789,035,000 1,777,464,000 1,425,789,000 1,216,403,000 1,142,535,000 1,142,248,000 1,165,892,000 1,167,861,000 1,171,809,000 1,167,844,000 1,043,713,000 1,044,232,000 1,039,911,000 1,049,115,000 1,067,457,000 1,022,315,000 1,019,770,000 967,717,000 1,008,205,000 1,041,900,000                       330,330,000 339,717,000 339,717,000 339,717,000 339,717,000 339,717,000 339,717,000 339,717,000 339,717,000          
        intangible assets
      1,498,534,000 1,543,002,000 1,566,955,000 1,617,193,000 1,635,277,000 1,459,620,000 1,507,581,000 1,552,843,000 1,545,709,000 1,588,684,000 1,633,188,000 1,677,621,000 1,706,206,000 1,747,464,000 1,686,212,000 1,729,174,000 1,773,784,000 1,822,486,000 1,719,609,000 1,696,748,000 1,736,148,000 1,782,718,000 1,820,453,000 1,865,666,000 1,692,248,000 1,738,474,000 1,659,129,000 1,695,588,000 1,712,618,000 1,726,196,000 1,241,108,000 1,269,520,000 1,317,828,000 1,355,681,000 990,008,000 806,585,000 711,999,000 722,542,000 733,415,000 753,191,000 775,254,000 792,372,000 652,667,000 669,664,000 680,357,000 702,747,000 727,456,000 677,877,000 687,982,000 565,083,000 560,836,000 576,688,000                                342,617,000 357,317,000 357,317,000 357,317,000 357,317,000 358,815,000 361,444,000 364,073,000 366,702,000 
        other assets
      4,678,967,000 4,536,303,000 4,276,254,000 4,174,673,000 4,247,468,000 4,400,711,000 4,357,885,000 4,185,607,000 4,200,246,000 3,990,864,000 3,881,962,000 3,674,660,000 3,650,090,000 3,586,037,000 3,593,083,000 3,844,984,000 3,467,792,000 3,163,094,000 2,875,459,000 2,491,910,000 2,466,033,000 2,393,920,000 2,391,161,000 2,462,390,000 2,110,935,000 1,906,115,000 1,879,695,000 1,798,797,000 1,619,079,000 1,383,823,000 1,214,710,000 1,247,756,000 1,283,791,000 1,223,365,000 1,136,448,000 1,010,676,000 965,435,000 946,024,000 965,502,000 959,765,000 932,860,000 944,101,000 961,884,000 1,000,249,000 987,566,000 985,834,000 994,398,000 921,321,000 909,170,000 1,067,922,000 1,096,285,000 1,210,995,000 666,977,000 663,019,000 680,511,000 592,697,000 486,234,000 483,361,000 435,865,000 455,216,000 324,161,000 430,508,000 406,927,000 433,262,000 360,576,000 451,274,000 559,208,000 585,099,000 494,624,000 361,891,000 276,031,000 236,781,000 243,512,000 258,274,000 232,273,000 191,400,000 281,306,000 363,133,000 315,540,000 293,756,000 213,802,000 303,784,000 192,480,000 243,204,000 236,194,000 208,307,000 197,653,000 191,096,000 249,596,000 223,331,000 216,883,000 220,504,000 
        total assets
      68,602,357,000 68,905,050,000 67,391,562,000 66,791,177,000 64,599,055,000 61,897,982,000 62,283,238,000 59,709,621,000 57,286,385,000 55,045,710,000 52,748,716,000 52,184,133,000 50,942,261,000 49,791,259,000 48,421,355,000 47,946,773,000 48,985,257,000 48,448,866,000 46,696,436,000 45,641,513,000 43,043,029,000 41,710,054,000 40,170,019,000 39,067,626,000 36,048,787,000 37,473,815,000 37,036,196,000 36,421,584,000 34,736,726,000 33,306,263,000 33,958,305,000 33,247,031,000 32,866,471,000 32,805,016,000 28,519,411,000 27,203,341,000 26,400,679,000 25,875,299,000 26,403,645,000 26,335,628,000 25,685,230,000 24,941,271,000 25,181,573,000 25,366,140,000 25,253,389,000 25,200,357,000 25,076,435,000 25,166,274,000 24,452,992,000 23,955,511,000 23,808,577,000 23,499,980,000 13,117,991,000 12,556,588,000 12,383,417,000 11,965,233,000 11,859,284,000 11,371,754,000 11,464,537,000 11,041,536,000 10,581,122,000 10,324,461,000 10,339,951,000 10,241,896,000 10,201,653,000 9,711,499,000 9,395,753,000 9,477,690,000 9,931,115,000 10,043,763,000 10,155,623,000 10,134,419,000 10,229,608,000 10,197,182,000 9,969,557,000 10,088,131,000 9,982,296,000 9,686,223,000 9,725,286,000 9,901,010,000 9,272,419,000 9,232,235,000 9,397,586,000 9,094,503,000 8,682,464,000 8,753,729,000 8,061,412,000 7,876,613,000 7,504,808,000 7,408,560,000 7,022,361,000 6,783,836,000 
        liabilities and equity
                                                                                                  
        unpaid losses and loss adjustment expenses
      31,370,536,000 30,857,453,000 29,137,969,000 28,515,391,000 27,888,257,000 26,633,094,000 25,877,478,000 24,646,618,000 24,144,955,000 23,483,321,000 22,144,366,000 21,374,813,000 21,306,793,000 20,947,898,000 20,194,374,000 19,062,760,000 18,843,130,000 18,178,894,000 17,611,199,000 16,999,816,000 16,600,500,000 16,222,376,000 15,723,231,000 15,245,505,000 15,038,812,000 14,728,676,000 14,437,816,000 14,335,783,000 14,332,665,000 14,276,479,000 13,888,489,000 13,628,941,000 13,641,937,000 13,584,281,000 11,443,148,000 10,312,695,000 10,139,678,000 10,115,662,000 10,258,290,000 10,199,899,000 10,257,506,000 10,251,953,000 10,388,209,000 10,478,575,000 10,280,037,000 10,404,152,000 10,509,797,000 10,573,729,000 10,369,020,000 10,262,056,000 10,172,692,000 10,012,140,000 5,286,068,000 5,371,426,000 5,306,045,000 5,273,275,000 5,357,151,000 5,463,082,000 5,505,657,000 5,477,591,000 5,358,819,000 5,327,268,000 5,368,766,000 5,427,096,000 5,496,489,000 5,524,183,000 5,432,814,000 5,492,339,000 5,789,273,000 5,652,584,000 5,583,239,000 5,525,573,000 5,611,043,000 5,579,728,000 5,520,322,000 5,583,879,000 5,627,095,000 5,692,539,000 5,775,510,000 6,047,831,000 5,301,515,000 5,388,173,000 5,482,367,000 5,347,851,000 5,125,017,000 5,085,483,000 4,647,026,000 4,467,216,000 4,387,646,000 4,366,803,000 4,055,529,000 3,872,587,000 
        unearned premiums
      7,234,917,000 7,253,079,000 8,233,797,000 9,073,434,000 7,691,743,000 7,063,956,000 7,887,057,000 8,243,981,000 7,153,997,000 6,642,426,000 7,196,808,000 7,072,182,000 6,570,373,000 6,220,748,000 6,514,980,000 6,336,362,000 5,923,624,000 5,383,619,000 5,511,392,000 5,261,649,000 4,838,032,000 4,433,245,000 4,509,811,000 4,413,789,000 4,190,216,000 4,057,727,000 4,224,074,000 4,116,051,000 3,892,388,000 3,611,028,000 3,816,249,000 3,695,040,000 3,574,496,000 3,308,779,000 2,750,243,000 2,712,597,000 2,576,636,000 2,263,838,000 2,474,277,000 2,529,540,000 2,417,925,000 2,166,105,000 2,377,904,000 2,413,217,000 2,316,508,000 2,245,690,000 2,455,709,000 2,563,405,000 2,364,784,000 2,127,115,000 2,307,266,000 2,332,267,000 1,094,312,000 1,000,261,000 1,053,135,000 1,036,444,000 975,832,000 969,628,000 956,195,000 908,406,000 833,775,000 785,009,000 745,869,000 717,728,000 792,348,000 811,603,000 797,645,000 827,888,000 937,965,000 979,671,000 943,686,000 940,309,000 1,046,023,000 1,051,593,000 1,021,319,000 1,007,801,000 1,075,003,000 1,090,121,000 1,038,283,000 1,019,867,000 999,409,000 996,219,000 1,026,296,000 1,069,305,000 1,072,285,000 1,087,772,000 1,079,790,000 1,029,834,000 992,468,000 937,364,000 994,299,000 969,609,000 
        payables to insurance and reinsurance companies
      1,615,785,000 1,667,871,000 1,799,672,000 1,723,784,000 1,842,984,000 1,434,901,000 1,448,951,000 1,418,983,000 1,237,996,000 1,037,722,000 924,602,000 972,194,000 800,371,000 669,742,000 685,294,000 703,481,000 634,089,000 616,665,000 579,905,000 671,820,000 561,155,000 493,470,000 416,988,000 447,970,000 280,405,000 406,720,000 408,508,000 485,570,000 368,389,000 337,326,000 453,132,000 422,423,000 382,263,000 324,304,000 230,041,000 259,801,000 242,333,000 231,327,000 256,793,000 260,599,000 298,261,000 224,921,000 318,078,000 316,477,000 286,102,000 276,122,000 359,524,000 371,286,000 355,032,000 295,496,000 385,734,000 422,731,000                                         
        senior long-term debt and other debt
      4,382,845,000 4,303,811,000 4,284,763,000 4,364,232,000 4,390,589,000 4,330,341,000 4,356,054,000 4,399,876,000 3,855,494,000 3,779,796,000 3,769,248,000 3,813,917,000 3,896,766,000 4,103,629,000 4,131,165,000 4,502,237,000 4,428,692,000 4,361,266,000 4,268,290,000 4,160,175,000 3,564,949,000 3,484,023,000 3,498,311,000 3,606,109,000 3,593,954,000 3,534,183,000 3,896,962,000 3,625,744,000 3,058,968,000 3,009,577,000 2,993,243,000 3,024,306,000 3,048,096,000 3,099,230,000 2,471,419,000 2,485,671,000 2,581,605,000 2,574,529,000 2,589,350,000 2,602,432,000 2,299,756,000 2,241,427,000 2,240,517,000 2,246,875,000 2,249,554,000 2,253,594,000 2,273,795,000 2,258,522,000 2,255,824,000 2,256,227,000 2,250,479,000 2,249,819,000 1,732,250,000 1,492,550,000 1,510,598,000 1,309,530,000 1,305,573,000 1,271,810,000 1,268,444,000 1,027,711,000 996,663,000 1,003,576,000 996,386,000 963,648,000                             
        other liabilities
      5,348,174,000 5,720,647,000 4,741,022,000 4,634,354,000 4,453,408,000 4,383,444,000 4,427,425,000 3,980,342,000 3,959,161,000 3,927,498,000 3,590,807,000 3,603,932,000 3,417,906,000 3,438,738,000 3,290,291,000 3,301,497,000 3,744,465,000 3,826,156,000 3,527,555,000 3,346,104,000 3,080,928,000 2,946,631,000 2,838,807,000 2,729,931,000 2,082,168,000 2,504,802,000 2,247,179,000 2,261,343,000 2,106,331,000 1,796,036,000 1,839,603,000 1,809,448,000 1,649,372,000 1,748,460,000 1,455,459,000 1,332,072,000 1,082,917,000 1,099,200,000 1,064,328,000 1,078,708,000 947,619,000 1,030,023,000 942,873,000 944,368,000 999,542,000 1,051,931,000 878,110,000 744,811,000 663,625,000 777,850,000 675,580,000 625,487,000 640,034,000 613,897,000 519,903,000 463,222,000 416,847,000 305,741,000 296,617,000 276,910,000 245,076,000 275,328,000 235,920,000 294,857,000 212,502,000 224,803,000 179,401,000 245,881,000 243,958,000 257,250,000 274,631,000 306,887,000 262,079,000 304,789,000 211,982,000 282,821,000 263,013,000 230,914,000 236,773,000 229,734,000 279,684,000 264,369,000 287,707,000 223,153,000 183,445,000 197,212,000 177,003,000 199,187,000 150,962,000 182,598,000 166,721,000 139,292,000 
        total liabilities
      49,952,257,000 49,802,861,000 48,796,196,000 48,923,054,000 46,854,574,000 44,429,009,000 44,620,410,000 43,284,549,000 40,968,869,000 39,519,817,000 38,226,087,000 37,480,610,000 36,661,057,000 36,139,780,000 35,549,593,000 34,684,063,000 34,398,174,000 33,269,580,000 32,424,299,000 31,415,063,000 29,623,211,000 28,649,731,000 28,021,241,000 27,442,725,000 26,161,040,000 26,217,837,000 26,235,724,000 25,857,206,000 24,770,378,000 24,031,899,000 24,019,412,000 23,613,619,000 23,389,601,000 23,137,166,000 19,459,257,000 18,164,134,000 17,661,494,000 17,334,210,000 17,798,710,000 17,823,854,000 17,370,999,000 17,037,704,000 17,427,482,000 17,564,372,000 17,320,883,000 17,537,307,000 17,835,817,000 17,959,136,000 17,491,891,000 17,205,318,000 17,274,749,000 17,099,273,000 8,887,069,000 8,581,346,000 8,489,760,000 8,222,329,000 8,183,316,000 8,093,662,000 8,116,458,000 7,778,467,000 7,506,962,000 7,458,018,000 7,417,492,000 7,450,182,000 7,508,838,000 7,359,074,000 7,215,673,000 7,297,016,000 7,618,434,000 7,554,678,000 7,540,842,000 7,493,257,000 7,667,600,000 7,747,782,000 7,596,503,000 7,791,738,000 8,006,903,000 7,948,124,000 8,019,545,000 8,305,693,000 7,521,116,000 7,603,963,000 7,741,083,000 7,588,553,000 7,250,301,000 7,279,028,000 6,759,367,000 6,547,358,000 6,326,811,000 6,249,449,000 5,887,255,000 5,656,257,000 
        redeemable noncontrolling interests
      519,752,000 506,064,000 536,045,000 531,339,000 579,739,000 540,034,000 515,493,000 476,518,000 499,993,000 469,685,000 467,386,000 464,442,000 491,883,000 523,154,000 513,043,000 495,378,000 480,351,000 461,378,000 231,912,000 228,401,000 234,654,000 245,642,000 241,020,000 214,653,000 155,417,000 177,562,000 165,602,000 151,297,000 148,002,000 174,062,000 158,739,000 155,998,000 155,720,000 166,269,000 153,310,000 86,691,000 87,935,000 73,678,000 70,660,000 66,201,000 67,668,000 62,958,000 50,584,000 51,892,000 55,108,000 61,048,000 57,249,000 55,484,000 52,915,000 72,183,000 71,488,000 74,858,000 74,501,000 86,225,000 87,738,000 87,613,000                                     
        commitments and contingencies
                                                                                                  
        shareholders' equity:
                                                                                                  
        common stock
      3,707,179,000 3,672,381,000 3,666,946,000 3,659,041,000 3,582,932,000 3,560,633,000 3,552,800,000 3,546,661,000 3,547,912,000 3,517,146,000 3,519,534,000 3,515,362,000 3,506,972,000 3,493,893,000 3,482,828,000 3,478,153,000 3,469,449,000 3,441,079,000 3,455,129,000 3,451,968,000 3,447,614,000 3,428,340,000 3,425,247,000 3,421,845,000 3,419,528,000 3,404,919,000 3,402,934,000 3,400,964,000 3,395,940,000 3,392,993,000 3,392,322,000 3,387,121,000 3,383,668,000 3,381,834,000 3,379,156,000 3,376,230,000 3,376,037,000 3,368,666,000 3,365,750,000 3,360,830,000 3,354,617,000 3,342,357,000 3,335,208,000 3,327,489,000 3,320,323,000 3,308,395,000 3,302,868,000 3,297,462,000 3,302,301,000 3,288,863,000 3,277,488,000 3,269,355,000 911,330,000 908,980,000 905,841,000 904,047,000 902,441,000 890,393,000 888,616,000 886,574,000 872,452,000 871,887,000 872,587,000 872,876,000 872,153,000 871,622,000 871,146,000 869,744,000 870,528,000 869,778,000 868,772,000 866,362,000 865,834,000 864,774,000 858,620,000 854,561,000 745,485,000 745,178,000 744,596,000 743,272,000 742,937,000 742,602,000 742,288,000 741,978,000 738,024,000 737,784,000 737,044,000 736,531,000 736,451,000 736,246,000 736,238,000 736,088,000 
        retained earnings
      14,662,404,000 15,034,835,000 14,512,739,000 13,839,880,000 13,364,810,000 13,380,456,000 13,063,403,000 12,329,827,000 12,184,925,000 11,353,101,000 10,778,567,000 10,818,989,000 10,255,401,000 9,836,827,000 9,255,658,000 9,289,820,000 10,278,405,000 10,424,461,000 9,650,355,000 9,503,889,000 8,754,760,000 8,195,182,000 7,377,095,000 6,948,466,000 6,039,474,000 7,457,176,000 6,988,888,000 6,808,201,000 6,338,874,000 5,782,310,000 6,576,562,000 6,184,299,000 5,927,739,000 3,776,743,000 3,378,524,000 3,666,246,000 3,557,927,000 3,526,395,000 3,433,891,000 3,355,262,000 3,293,367,000 3,137,285,000 2,942,606,000 2,843,303,000 2,753,963,000 2,581,866,000 2,468,744,000 2,402,713,000 2,365,469,000 2,294,909,000 2,197,816,000 2,148,240,000 2,160,060,000 2,068,340,000 2,009,133,000 1,957,778,000 1,890,040,000 1,794,387,000 1,761,067,000 1,744,245,000 1,598,968,000 1,553,547,000 1,552,580,000 1,514,398,000 1,421,483,000 1,362,357,000 1,314,259,000 1,297,901,000 1,330,974,000 1,491,593,000 1,442,355,000 1,417,269,000 1,323,828,000 1,231,475,000 1,110,274,000 1,015,679,000 894,298,000 790,200,000 699,768,000 545,930,000 670,531,000 610,364,000 537,068,000 486,794,000 472,970,000 415,049,000 330,322,000 346,855,000 288,000,000 251,568,000 225,224,000 216,520,000 
        accumulated other comprehensive loss
      -237,601,000 -109,460,000 -138,973,000 -180,763,000 -391,126,000 -617,082,000 -193,855,000 -618,355,000 -595,009,000 -478,210,000 -890,833,000 -740,743,000 -609,781,000                                                                                
        total shareholders' equity
      18,131,982,000 18,597,756,000 18,040,712,000 17,318,158,000 17,148,507,000 16,915,898,000 17,014,239,000 15,850,024,000 15,729,719,000 14,983,928,000 13,999,159,000 14,185,499,000 13,744,483,000 13,065,534,000 12,293,923,000 12,756,207,000 14,101,178,000 14,695,048,000 14,016,764,000 13,974,971,000 13,163,944,000 12,799,789,000 11,893,947,000 11,394,553,000 9,720,728,000 11,070,867,000 10,623,454,000 10,396,365,000 9,795,982,000 9,080,653,000 9,783,992,000 9,480,860,000 9,324,211,000 9,504,148,000 8,908,885,000 8,954,409,000 8,653,200,000 8,460,927,000 8,527,283,000 8,438,369,000 8,239,116,000 7,834,150,000 7,695,230,000 7,741,870,000 7,869,658,000 7,594,818,000 7,175,193,000 7,143,057,000 6,900,132,000 6,673,577,000 6,457,423,000   3,888,657,000                                       
        noncontrolling interests
      -1,634,000 -1,631,000 18,609,000 18,626,000 16,235,000 13,041,000 133,096,000 98,530,000 87,804,000 72,280,000 56,084,000 53,582,000 44,838,000 62,791,000 64,796,000 11,125,000 5,554,000 22,860,000 23,461,000 23,078,000 21,220,000 14,892,000 13,811,000 15,695,000 11,602,000 7,549,000 11,416,000 16,716,000 22,364,000 19,649,000 -3,838,000 -3,446,000 -3,061,000 -2,567,000 -2,041,000 -1,893,000 -1,950,000 6,484,000 6,992,000 7,204,000 7,447,000 6,459,000 8,277,000 8,006,000 7,740,000 7,184,000 8,176,000 8,597,000 8,054,000 4,433,000 4,917,000 4,945,000 4,912,000 360,000 -197,000 125,000 73,875,000 65,912,000 65,106,000 64,691,000 16,103,000 16,450,000 18,236,000 17,354,000                             
        total equity
      18,130,348,000 18,596,125,000 18,059,321,000 17,336,784,000 17,164,742,000 16,928,939,000 17,147,335,000 15,948,554,000 15,817,523,000 15,056,208,000 14,055,243,000 14,239,081,000 13,789,321,000 13,128,325,000 12,358,719,000 12,767,332,000 14,106,732,000 14,717,908,000 14,040,225,000 13,998,049,000 13,185,164,000 12,814,681,000 11,907,758,000 11,410,248,000 9,732,330,000 11,078,416,000 10,634,870,000 10,413,081,000 9,818,346,000 9,100,302,000 9,780,154,000 9,477,414,000 9,321,150,000 9,501,581,000 8,906,844,000 8,952,516,000 8,651,250,000 8,467,411,000 8,534,275,000 8,445,573,000 8,246,563,000 7,840,609,000 7,703,507,000 7,749,876,000 7,877,398,000 7,602,002,000 7,183,369,000 7,151,654,000 6,908,186,000 6,678,010,000 6,462,340,000 6,325,849,000 4,156,421,000 3,889,017,000 3,805,919,000 3,655,291,000 3,675,968,000 3,278,092,000 3,348,079,000 3,263,069,000 3,074,160,000 2,866,443,000 2,922,459,000 2,791,714,000                             
        total liabilities and equity
      68,602,357,000 68,905,050,000 67,391,562,000 66,791,177,000 64,599,055,000 61,897,982,000 62,283,238,000 59,709,621,000 57,286,385,000 55,045,710,000 52,748,716,000 52,184,133,000 50,942,261,000 49,791,259,000 48,421,355,000 47,946,773,000 48,985,257,000 48,448,866,000 46,696,436,000 45,641,513,000 43,043,029,000 41,710,054,000 40,170,019,000 39,067,626,000 36,048,787,000 37,473,815,000 37,036,196,000 36,421,584,000 34,736,726,000 33,306,263,000 33,958,305,000 33,247,031,000 32,866,471,000 32,805,016,000 28,519,411,000 27,203,341,000 26,400,679,000 25,875,299,000 26,403,645,000 26,335,628,000 25,685,230,000 24,941,271,000 25,181,573,000 25,366,140,000 25,253,389,000 25,200,357,000 25,076,435,000 25,166,274,000 24,452,992,000 23,955,511,000 23,808,577,000 23,499,980,000 13,117,991,000 12,556,588,000 12,383,417,000 11,965,233,000 11,859,284,000 11,371,754,000 11,464,537,000 11,041,536,000 10,581,122,000 10,324,461,000 10,339,951,000 10,241,896,000                             
        preferred stock
          591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000 591,891,000                                                                     
        life and annuity benefits
        598,973,000 611,859,000 587,593,000 583,273,000 623,445,000 594,749,000 617,266,000 649,054,000 600,256,000 643,572,000 668,848,000 759,025,000 733,489,000 777,726,000 824,174,000 902,980,000 925,958,000 975,499,000 977,647,000 1,069,986,000 1,034,093,000 999,421,000 975,485,000 985,729,000 1,021,185,000 1,032,715,000 1,011,637,000 1,001,453,000 1,028,696,000 1,033,461,000 1,093,437,000 1,072,112,000 1,108,947,000 1,061,298,000 1,038,325,000 1,049,654,000 1,155,672,000 1,152,676,000 1,149,932,000 1,123,275,000 1,159,901,000 1,164,860,000 1,189,140,000 1,305,818,000 1,358,882,000 1,447,383,000 1,483,606,000 1,486,574,000 1,482,998,000 1,456,829,000                                         
        accumulated other comprehensive income
                   -857,077,000 -1,036,454,000 -603,657,000 -238,567,000 237,617,000 319,389,000 427,223,000 369,679,000 584,376,000 499,714,000 432,351,000 261,726,000 208,772,000 231,632,000 187,200,000 61,168,000 -94,650,000 -184,892,000 -90,560,000 12,804,000 2,345,571,000 2,151,205,000 1,911,933,000 1,719,236,000 1,565,866,000 1,727,642,000 1,722,277,000 1,591,132,000 1,354,508,000 1,417,416,000 1,571,078,000 1,795,372,000 1,704,557,000 1,403,581,000 1,442,882,000 1,232,362,000 1,089,805,000 982,119,000 903,309,000 1,080,119,000 911,337,000 891,142,000 793,341,000 809,612,000 527,400,000 633,290,000 567,559,000 586,637,000 424,559,000 479,056,000 387,086,000 399,179,000 118,446,000 -5,325,000  111,179,000 127,714,000 303,654,000                      
        fixed maturities, available-for-sale
                              10,123,615,000 9,970,909,000 10,204,025,000 10,258,640,000 10,162,419,000 10,043,188,000 9,952,053,000 10,134,073,000 9,904,075,000                                                            
        equity securities, available-for-sale
                                                                                                  
        reinsurance recoverable on unpaid losses
                                    4,836,271,000 4,739,259,000 4,650,860,000 4,619,336,000 2,466,554,000 2,007,652,000 1,949,278,000 2,006,945,000 2,041,928,000 2,038,687,000 2,046,301,000 2,016,665,000 1,973,249,000 2,031,722,000 1,949,974,000 1,868,669,000 1,897,580,000 1,902,775,000 1,869,403,000 1,854,414,000 1,910,023,000 1,876,858,000 721,813,000 778,774,000 748,864,000 765,043,000 786,736,000 803,574,000 809,318,000 818,239,000 865,998,000 874,465,000 852,791,000 886,442,000 918,257,000 958,979,000 986,440,000 1,026,858,000 1,157,278,000 1,089,918,000 1,084,971,000 1,072,918,000 1,117,228,000 1,144,956,000 1,159,181,000 1,257,453,000 1,333,244,000 1,462,283,000 1,718,704,000 1,908,123,000 1,418,740,000 1,536,065,000 1,641,276,000 1,618,605,000 1,575,970,000 1,615,752,000 1,503,014,000 1,502,941,000 1,519,687,000 1,586,128,000 1,513,381,000 1,456,423,000 
        reinsurance recoverable on paid losses
                                    137,364,000 90,649,000 108,658,000 126,054,000 72,487,000 53,128,000 60,479,000 64,892,000 62,254,000 57,940,000 78,667,000 50,123,000 85,896,000 75,068,000 113,816,000 102,206,000 103,023,000 85,911,000 78,741,000 102,002,000 105,279,000 141,736,000 52,679,000 51,145,000 42,224,000 43,406,000 45,880,000 44,247,000 45,306,000 54,576,000 49,833,000 61,223,000 66,562,000 65,703,000 75,259,000 68,940,000 64,978,000 71,890,000 59,377,000 62,074,000 65,702,000 78,306,000 89,325,000 97,513,000 95,810,000 105,003,000 150,034,000 160,483,000 141,246,000 83,813,000 101,168,000 112,174,000 114,746,000 112,637,000 118,857,000 162,334,000 148,479,000 134,779,000 127,339,000 144,751,000 159,874,000 168,103,000 
        investments, available-for-sale, at estimated fair value:
                                                                                                  
        fixed maturities
                                       9,940,670,000 9,919,346,000 10,053,492,000 10,006,519,000 9,891,510,000 10,318,487,000 10,399,629,000 10,152,405,000 9,394,468,000 9,353,951,000 9,523,164,000 9,971,814,000 10,422,882,000 10,474,647,000 10,293,228,000 10,236,737,000 10,142,536,000 10,312,939,000 10,678,463,000 4,809,825,000 4,979,283,000 5,280,549,000 5,326,511,000 5,507,664,000 5,576,584,000 5,479,821,000 5,394,007,000 5,515,857,000 5,427,805,000 5,451,154,000 5,112,136,000 4,910,739,000 4,662,880,000 4,547,167,000 4,592,552,000 4,757,062,000 5,139,980,000 5,229,115,000 5,323,750,000 5,337,556,000 5,070,041,000 5,042,114,000 5,000,969,000 4,825,125,000 4,610,452,000 4,646,449,000 4,566,556,000 4,561,281,000 4,479,158,000 4,477,568,000 4,267,467,000 3,996,111,000 4,096,252,000 3,714,150,000 3,638,516,000 3,515,158,000 3,251,186,000 2,899,865,000 2,679,849,000 
        short-term investments
                                       2,160,974,000 1,995,562,000 1,704,416,000 2,178,035,000 2,336,151,000 1,989,305,000 1,995,491,000 1,324,393,000 1,642,261,000 2,323,983,000 2,185,249,000 1,731,872,000 1,594,849,000 1,686,691,000 1,749,604,000 1,348,231,000 1,452,288,000 1,159,457,000 995,697,000 1,380,318,000 973,330,000 729,042,000 465,734,000 463,694,000 491,756,000 600,361,000 434,546,000 319,598,000 360,869,000 342,002,000 492,581,000 666,310,000 814,934,000 652,246,000 508,834,000 324,468,000 138,126,000 81,184,000 51,552,000 75,492,000 277,449,000 172,508,000 139,499,000 323,771,000 167,607,000 45,923,000 206,322,000 134,530,000 64,163,000 121,714,000 205,533,000 54,349,000 74,222,000 104,033,000 103,555,000 93,353,000 67,821,000 192,071,000 119,643,000 
        shareholders’ equity:
                                                                                                  
        total shareholders’ equity
                                                         6,320,904,000 4,151,509,000  3,806,116,000 3,655,166,000 3,602,093,000 3,212,180,000 3,282,973,000 3,198,378,000 3,058,057,000 2,849,993,000 2,904,223,000 2,774,360,000 2,692,815,000 2,352,425,000 2,180,080,000 2,180,674,000 2,312,681,000 2,489,085,000 2,614,781,000 2,641,162,000 2,562,008,000 2,449,400,000 2,373,054,000 2,296,393,000 1,975,393,000 1,738,099,000 1,705,741,000 1,595,317,000 1,751,303,000 1,628,272,000 1,656,503,000 1,505,950,000 1,432,163,000 1,474,701,000 1,302,045,000 1,329,255,000 1,177,997,000 1,159,111,000 1,135,106,000 1,127,579,000 
        goodwill and intangible assets
                                                          1,074,925,000 1,049,225,000 997,834,000 991,430,000 967,625,000 769,685,000 767,004,000 776,066,000 501,188,000 501,479,000 501,301,000 502,833,000 340,495,000 341,674,000 342,852,000 344,031,000 344,626,000 345,767,000 343,961,000 344,911,000 345,861,000 346,458,000                   
        payables to insurance companies
                                                          134,405,000 103,212,000 100,079,000 139,858,000 127,913,000 83,401,000 89,545,000 87,849,000 72,629,000 66,837,000 70,551,000 46,853,000 56,251,000 59,731,000 67,182,000 42,399,000 58,852,000 76,909,000 58,243,000 39,790,000 68,102,000 58,685,000 90,398,000 58,880,000 82,850,000 106,920,000 124,051,000 160,909,000 82,417,000 98,621,000 89,636,000 94,654,000 104,253,000 144,828,000 138,033,000 135,217,000 130,686,000 122,191,000 136,715,000 142,274,000 
        investments in affiliates
                                                                     43,633,000 76,037,000 97,192,000 94,124,000 93,723,000 92,134,000 85,722,000 85,237,000 81,181,000 77,352,000 76,483,000 75,141,000 73,439,000 73,802,000 71,444,000 69,958,000              
        operating revenues
                                                                                                  
        earned premiums
                                                                     1,815,835,000    2,022,184,000    2,117,294,000    2,184,381,000       2,053,887,000          
        net investment income
                                                                     259,809,000    283,738,000    306,458,000    271,016,000       204,032,000          
        net realized investment gains
                                                                     -96,100,000    -407,594,000    59,504,000    63,608,000       4,139,000          
        other-than-temporary impairment losses
                                                                     -95,570,000                             
        less other-than-temporary impairment losses recognized in other comprehensive income
                                                                     5,620,000                             
        other-than-temporary impairment losses recognized in net income
                                                                     -89,950,000                             
        net realized investment gains, excluding other-than-temporary impairment losses
                                                                     -6,150,000                             
        other revenues
                                                                     89,782,000                             
        total operating revenues
                                                                     2,069,326,000    1,898,328,000    2,483,256,000    2,519,005,000       2,262,058,000          
        operating expenses
                                                                                                  
        losses and loss adjustment expenses
                                                                     992,863,000    1,269,025,000    1,096,203,000    1,132,579,000       1,308,343,000          
        underwriting, acquisition and insurance expenses
                                                                     736,660,000    738,546,000    756,699,000    767,853,000       673,450,000          
        amortization of intangible assets
                                                                     6,698,000    4,383,000    2,145,000                     
        other incomes
                                                                     80,499,000                             
        total operating expenses
                                                                     1,816,720,000    2,011,954,000    1,855,047,000    1,900,432,000       1,981,793,000          
        operating income
                                                                     252,606,000    -113,626,000    628,209,000    618,573,000       280,265,000          
        interest expense
                                                                     53,969,000    47,390,000    56,251,000    65,172,000       56,220,000          
        income before income taxes
                                                                     198,637,000    -161,016,000    571,958,000    553,401,000       224,045,000          
        income tax benefit
                                                                     -3,782,000    -102,249,000                         
        net income
                                                                     202,419,000    -58,767,000    405,669,000    392,502,000       165,412,000          
        less net income attributable to noncontrolling interests
                                                                     781,000                             
        net income to shareholders
                                                                     201,638,000                             
        other comprehensive income
                                                                                                  
        change in net unrealized gains on investments, net of taxes:
                                                                                                  
        net holding gains arising during the period
                                                                     326,959,000    -594,767,000    -33,638,000    201,318,000       108,945,000          
        unrealized other-than-temporary impairment losses on fixed maturities arising during the period
                                                                     -5,405,000                             
        reclassification adjustments for net gains included in net income
                                                                     52,883,000                             
        change in net unrealized gains on investments, net of taxes
                                                                     374,437,000                             
        change in currency translation adjustments, net of taxes
                                                                     19,239,000                             
        change in net actuarial pension loss, net of taxes
                                                                     -4,268,000    -6,740,000    1,546,000                     
        total other comprehensive income
                                                                     389,408,000    -344,502,000    -68,622,000    133,280,000       107,265,000          
        comprehensive income
                                                                     591,827,000    -403,269,000    337,047,000    525,782,000       272,677,000          
        less comprehensive income attributable to noncontrolling interests
                                                                     832,000                             
        comprehensive income to shareholders
                                                                     590,995,000                             
        net income per share
                                                                                                  
        basic
                                                                     20,540    -5,950    40,730    40,430       16,790          
        diluted
                                                                     20,520    -5,950    40,640    39,400       16,410          
        liabilities and shareholders’ equity
                                                                                                  
        long-term debt
                                                                      951,248,000                      478,049,000 477,571,000 427,831,000 404,384,000 298,980,000 298,576,000 
        total liabilities and shareholders’ equity
                                                                      10,201,653,000 9,711,499,000 9,395,753,000 9,477,690,000 9,931,115,000 10,043,763,000 10,155,623,000 10,134,419,000 10,229,608,000 10,197,182,000 9,969,557,000 10,088,131,000 9,982,296,000 9,686,223,000 9,725,286,000 9,901,010,000 9,272,419,000 9,232,235,000 9,397,586,000 9,094,503,000 8,682,464,000 8,753,729,000 8,061,412,000 7,876,613,000 7,504,808,000 7,408,560,000 7,022,361,000 6,783,836,000 
        senior long-term debt
                                                                       738,754,000 738,631,000 688,509,000 588,386,000 588,264,000 681,043,000 680,698,000 680,353,000 752,987,000 752,482,000 751,978,000 751,473,000 607,536,000 607,044,000 608,448,000 611,257,000 610,758,000 610,260,000 609,761,000 522,455,000 521,983,000       
        accumulated other comprehensive income:
                                                                                                  
        net unrealized holding gains on investments, net of taxes of 31,075 in 2008 and 208,751 in 2007
                                                                         58,652,000                         
        cumulative translation adjustments, net of tax benefit of 8,300 in 2008 and 4,050 in 2007
                                                                         -15,416,000                         
        net actuarial pension loss, net of tax benefit of 16,266 in 2008 and 12,636 in 2007
                                                                         -30,207,000                         
        net unrealized gains on investments, net of taxes:
                                                                                                  
        less reclassification adjustments for net gains included in net income
                                                                         264,898,000    -40,323,000    -41,345,000       -2,690,000          
        net unrealized gains
                                                                         -329,869,000    -73,961,000    159,973,000       106,255,000          
        currency translation adjustments, net of taxes
                                                                         -7,893,000    3,793,000    -1,680,000       1,010,000          
        junior subordinated deferrable interest debentures
                                                                                 106,379,000 106,379,000  138,621,000 141,045,000 150,000,000 150,000,000 150,000,000 150,000,000 150,000,000 150,000,000       
        net unrealized holding gains on investments, net of taxes of 208,751 in 2007 and 249,029 in 2006
                                                                             388,521,000                     
        cumulative translation adjustments, net of tax benefit of 4,050 in 2007 and 6,094 in 2006
                                                                             -7,523,000                     
        net actuarial pension loss, net of tax benefit of 12,636 in 2007 and 13,469 in 2006
                                                                             -23,467,000                     
        income tax expense
                                                                             166,289,000    160,899,000       58,633,000          
        net unrealized holding gains on investments, net of taxes of 216,980 in 2007 and 249,029 in 2006
                                                                              403,366,000                    
        cumulative translation adjustments, net of tax benefit of 3,740 in 2007 and 6,094 in 2006
                                                                              -6,947,000                    
        net actuarial pension loss, net of tax benefit of 12,962 in 2007 and 13,469 in 2006
                                                                              -24,073,000                    
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 208,324 in 2007 and 249,029 in 2006
                                                                               387,200,000                   
        cumulative translation adjustments, net of tax benefit of 5,199 in 2007 and 6,094 in 2006
                                                                               -9,655,000                   
        net actuarial pension loss, net of tax benefit of 13,135 in 2007 and 13,469 in 2006
                                                                               -24,394,000                   
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 236,553 in 2007 and 249,029 in 2006
                                                                                439,899,000                  
        cumulative translation adjustments, net of tax benefit of 5,941 in 2007 and 6,094 in 2006
                                                                                -11,029,000                  
        net actuarial pension loss, net of tax benefit of 13,305 in 2007 and 13,469 in 2006
                                                                                -24,710,000                  
        convertible notes payable
                                                                                  101,090,000 100,028,000 99,263,000 97,859,000 96,834,000 95,823,000 94,817,000 93,829,000 92,846,000 91,750,000 89,466,000 88,333,000 87,218,000 86,109,000 85,011,000 83,919,000 
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 249,029 in 2006 and 162,889 in 2005
                                                                                 462,482,000                 
        cumulative translation adjustments, net of tax benefit of 6,094 in 2006 and 5,189 in 2005
                                                                                 -11,316,000                 
        net actuarial pension loss, net of tax benefit of 13,469 in 2006
                                                                                 -25,013,000                 
        net unrealized gains on securities, net of taxes:
                                                                                                  
        net actuarial pension loss, net of taxes
                                                                                 -25,013,000                 
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 185,470 in 2006 and 162,889 in 2005
                                                                                  344,444,000                
        cumulative translation adjustments, net of tax benefit of 4,756 in 2006 and 5,189 in 2005
                                                                                  -8,834,000                
        junior subordinated deferrable interest debentures (estimated fair value of 127,000 in
                                                                                                  
        2006 and 150,000 in 2005)
                                                                                   120,066,000               
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 113,939 in 2006 and 162,889 in 2005
                                                                                   211,603,000               
        cumulative translation adjustments, net of tax benefit of 4,783 in 2006 and 5,189 in 2005
                                                                                   -8,882,000               
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 145,042 in 2006 and 162,889 in 2005
                                                                                    269,363,000              
        cumulative translation adjustments, net of tax benefit of 4,300 in 2006 and 5,189 in 2005
                                                                                    -7,986,000              
        total investments, available-for-sale
                                                                                     6,158,246,000 6,051,419,000 5,851,870,000 5,937,808,000 5,561,883,000 5,118,516,000 5,225,619,000 4,623,251,000 4,471,309,000 4,171,838,000 3,869,916,000 3,606,292,000 3,341,066,000 
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 170,552 in 2005 and 203,041 in 2004
                                                                                     316,740,000             
        cumulative translation adjustments, net of tax benefit of 5,720 in 2005 and tax expense of 39 in 2004
                                                                                     -10,625,000             
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 188,089 in 2005 and 203,041 in 2004
                                                                                      349,309,000            
        cumulative translation adjustments, net of tax benefit of 6,178 in 2005 and tax expense of 39 in 2004
                                                                                      -11,474,000            
        net unrealized holding gains on fixed maturities and equity securities, net of tax expense of 154,348 in 2005 and 203,041 in 2004
                                                                                       286,649,000           
        cumulative translation adjustments, net of tax benefit of 6,108 in 2005 and tax expense of 39 in 2004
                                                                                       -11,343,000           
        investments, available-for-sale, at estimated fair value
                                                                                                  
        shareholders’ equity
                                                                                                  
        net unrealized holding gains on fixed maturities and equity securities, net of taxes of 203,041 in 2004 and 145,826 in 2003
                                                                                        377,074,000          
        cumulative translation adjustments, net of tax expense of 39 in 2004 and tax benefit of 505 in 2003
                                                                                        73,000          
        net unrealized gains on securities, net of taxes
                                                                                                  
        net unrealized holding gains on fixed maturities and equity securities, net of tax expense of 150,293 in 2004 and 145,826 in 2003
                                                                                         279,115,000         
        cumulative translation adjustments, net of tax benefit of 1,043 in 2004 and 505 in 2003
                                                                                         -1,937,000         
        net unrealized holding gains on fixed maturities and equity securities, net of tax expense of 119,979 in 2004 and 145,826 in 2003
                                                                                          222,817,000        
        cumulative translation adjustments, net of tax benefit of 888 in 2004 and 505 in 2003
                                                                                          -1,648,000        
        net unrealized holding gains on fixed maturities and equity securities, net of tax expense of 174,391 in 2004 and 145,826 in 2003
                                                                                           323,868,000       
        cumulative translation adjustments, net of tax benefit of 1,077 in 2004 and 505 in 2003
                                                                                           -2,000,000       
        company-obligated mandatorily redeemable preferred capital securities of subsidiary trust holding solely junior subordinated deferrable interest debentures of markel corporation
                                                                                            150,000,000 150,000,000  150,000,000 150,000,000 150,000,000 
        net unrealized holding gains on fixed maturities and equity securities, net of tax expense of 128,464 in 2003 and 96,476 in 2002
                                                                                            238,577,000      
        cumulative translation adjustments, net of tax benefit of 2,099 in 2003 and 4,239 in 2002
                                                                                            -3,898,000      
        net unrealized holding gains on fixed maturities and equity securities, net of tax expense of 133,009 in 2003 and 96,476 in 2002
                                                                                             247,017,000     
        cumulative translation adjustments, net of tax benefit of 618 in 2003 and 4,239 in 2002
                                                                                             -1,148,000     
        company-obligated mandatorily redeemable preferred capital securities of subsidiary
                                                                                                  
        trust holding solely junior subordinated deferrable interest debentures of markel corporation
                                                                                              150,000,000    
        net unrealized holding gains on fixed maturities and equity securities, net of tax expense of 85,850 in 2003 and 96,476 in 2002
                                                                                              159,435,000    
        cumulative translation adjustments, net of tax benefit of 3,171 in 2003 and 4,239 in 2002
                                                                                              -5,889,000    
        liabilities and share holders’ equity
                                                                                                  
        accrued premium income
                                                                                                 192,897,000 
        net unrealized holding gains on fixed maturities and equity securities, net of tax expense of 92,791 in 2002 and 93,653 in 2001
                                                                                                 172,327,000 
        cumulative translation adjustments, net of tax expense of 1,424 in 2002 and tax benefit of 345 in 2001
                                                                                                 2,644,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-09-30 
                                                                                                   
          operating activities
                                                                                                   
          net income
        -204,356,000 582,086,000 763,787,000 677,185,000 129,347,000 561,432,000 946,942,000 289,850,000 1,049,182,000 794,093,000 53,268,000 715,930,000 537,799,000 709,568,000 122,530,000 -883,387,000 -49,914,000 875,052,000 189,668,000 803,334,000 579,681,000 847,429,000 454,043,000 931,671,000 -1,401,376,000 511,513,000 203,953,000 506,483,000 577,513,000 -753,374,000 409,028,000 279,587,000 -65,594,000 439,326,000 -261,035,000 151,427,000 71,040,000 132,703,000 83,421,000 80,673,000 163,646,000 198,273,000 104,410,000 92,453,000 194,006,000 118,222,000 76,824,000 41,141,000 87,501,000 98,939,000 66,967,000 28,676,000 89,263,000 58,093,000 51,674,000 90,768,000 57,713,000 54,669,000 31,649,000 9,861,000 63,157,000 20,917,000 43,206,000 94,137,000 59,126,000 32,798,000 16,358,000 -32,710,000 -142,287,000 82,242,000 33,988,000 93,441,000 92,353,000 121,382,000 104,098,000 90,432,000 76,590,000 123,128,000 -111,098,000 60,167,000 75,718,000 50,274,000 13,825,000 59,037,000 42,276,000 44,722,000 -16,533,000 58,855,000 36,433,000 26,346,000 8,704,000 
          adjustments to reconcile net income to net cash from operating activities
        220,268,000  454,688,000 -172,789,000 246,845,000  -56,160,000 288,775,000 -418,528,000  902,388,000 8,510,000 -253,618,000  836,753,000 1,389,503,000 464,787,000  619,602,000 -308,286,000 -261,557,000  318,804,000 -508,608,000 1,467,054,000  258,847,000 -276,048,000 -558,790,000  46,614,000 -29,725,000 123,266,000  621,793,000    170,722,000    207,940,000 122,750,000 -171,174,000  222,739,000 173,507,000 -65,084,000  235,519,000    83,124,000   106,096,000   46,101,000 38,330,000 -38,887,000  43,008,000 71,588,000 -6,303,000  236,761,000 101,832,000 16,311,000  53,834,000  114,211,000    287,375,000 83,355,000 33,221,000  248,446,000 117,819,000 12,482,000  208,819,000 96,006,000 67,172,000  204,364,000 
          net cash from operating activities
        15,912,000 662,193,000 1,218,475,000 504,396,000 376,192,000 493,945,000 890,782,000 578,625,000 630,654,000 822,530,000 955,656,000 724,440,000 284,181,000 829,170,000 959,283,000 506,116,000 414,873,000 651,625,000 809,270,000 495,048,000 318,124,000 475,999,000 772,847,000 423,063,000 65,678,000 562,162,000 462,800,000 230,435,000 18,723,000 129,681,000 455,642,000 249,862,000 57,672,000 259,826,000 360,758,000   210,266,000 254,143,000   100,766,000 312,350,000 215,203,000 22,832,000 180,164,000 299,563,000 214,648,000 22,417,000 203,064,000 302,486,000   152,988,000 134,798,000   160,765,000   109,258,000 59,247,000 4,319,000 65,888,000 102,134,000 104,386,000 10,055,000 61,310,000 94,474,000 184,074,000 50,299,000 124,997,000 146,187,000 137,891,000 218,309,000   122,513,000 176,277,000 143,522,000 108,939,000 196,808,000 262,271,000 176,856,000 54,758,000 180,698,000 192,286,000 154,861,000 103,605,000 144,336,000 213,068,000 
          capital expenditures
        -47,265,000 -63,120,000 -52,421,000 -50,640,000 -40,713,000 -73,951,000 -51,892,000 -57,195,000 -71,953,000 -103,531,000 -75,645,000 -42,264,000 -37,179,000 -45,430,000 -98,738,000 -58,848,000 -51,696,000 -64,491,000 -25,020,000 -25,088,000 -30,650,000 -28,530,000 -22,103,000 -20,761,000 -29,907,000 -27,919,000 -46,225,000 -24,476,000 -24,756,000 -27,707,000 -26,498,000 -29,026,000 -23,362,000 -24,553,000 -14,521,000   -14,109,000 -14,931,000   -17,700,000 -23,113,000 -15,336,000 -23,606,000 -29,782,000 -34,396,000 -7,229,000 -10,725,000 -11,048,000 -10,259,000   -12,030,000 -10,604,000       
          free cash flows
        -31,353,000 599,073,000 1,166,054,000 453,756,000 335,479,000 419,994,000 838,890,000 521,430,000 558,701,000 718,999,000 880,011,000 682,176,000 247,002,000 783,740,000 860,545,000 447,268,000 363,177,000 587,134,000 784,250,000 469,960,000 287,474,000 447,469,000 750,744,000 402,302,000 35,771,000 534,243,000 416,575,000 205,959,000 -6,033,000 101,974,000 429,144,000 220,836,000 34,310,000 235,273,000 346,237,000   196,157,000 239,212,000   83,066,000 289,237,000 199,867,000 -774,000 150,382,000 265,167,000 207,419,000 11,692,000 192,016,000 292,227,000   140,958,000 124,194,000   160,765,000   109,258,000 59,247,000 4,319,000 65,888,000 102,134,000 104,386,000 10,055,000 61,310,000 94,474,000 184,074,000 50,299,000 124,997,000 146,187,000 137,891,000 218,309,000   122,513,000 176,277,000 143,522,000 108,939,000 196,808,000 262,271,000 176,856,000 54,758,000 180,698,000 192,286,000 154,861,000 103,605,000 144,336,000 213,068,000 
          investing activities
                                                                                                   
          proceeds from sales, maturities, calls, and prepayments of fixed maturity securities
        547,820,000 551,924,000                                                                                          
          cost of fixed maturity securities purchased
        -819,452,000 -1,079,462,000 -1,173,048,000 -787,627,000 -742,665,000 -665,632,000 -954,154,000 -1,089,175,000 -880,028,000 -1,641,277,000 -889,601,000 -965,282,000 -806,704,000 -678,767,000 -543,411,000 -372,488,000 -517,400,000                                                                           
          proceeds from sales of equity securities
        52,107,000 142,040,000 59,971,000 71,993,000 31,795,000 60,248,000 52,101,000 24,804,000 40,101,000 118,917,000 40,963,000 74,672,000 64,030,000 77,733,000 18,161,000 69,328,000 76,788,000                                                                           
          cost of equity securities purchased
        -80,072,000 -158,341,000 -90,045,000 -111,786,000 -88,531,000 -136,100,000 -146,749,000 -161,944,000 -126,303,000 -189,918,000 -155,066,000 -164,159,000 -129,163,000 -149,980,000 -83,435,000 -96,793,000 -112,783,000                                                                           
          net change in short-term investments
        19,595,000 104,879,000 -255,867,000 281,541,000 447,436,000 -153,235,000 466,513,000 -139,928,000 -21,378,000 -284,909,000 -187,500,000 465,162,000 210,177,000 -220,758,000 -368,563,000 30,329,000 -287,027,000 956,321,000 500,278,000 -564,524,000 -663,120,000 -131,877,000 -965,923,000 -674,352,000 942,695,000 355,541,000 -157,576,000 -623,491,000 329,659,000 844,348,000 36,860,000 91,396,000 129,032,000 -171,395,000 -271,830,000 515,644,000 162,324,000 -348,452,000 7,593,000 -671,222,000 322,887,000 625,549,000 -91,702,000 -449,426,000 -146,545,000 84,454,000 54,757,000 -398,932,000 130,557,000 -293,112,000 -158,349,000 391,700,000 -410,662,000 -244,544,000 -259,287,000 -3,694,000 79,233,000 107,181,000 -167,632,000 -107,606,000 47,115,000 -23,014,000 148,411,000 172,640,000 97,875,000 -110,932,000 -135,967,000 -194,171,000 -186,281,000 -56,942,000 -29,632,000 23,940,000 201,957,000 184,272,000 -156,164,000 -121,684,000 202,618,000 -42,219,000 -71,792,000 -70,367,000 57,551,000 83,819,000 -151,184,000 19,873,000 7,790,000 22,021,000 -478,000 -10,202,000 -25,532,000 124,250,000 -72,428,000 
          additions to property and equipment
        -47,265,000 -63,120,000 -52,421,000 -50,640,000 -40,713,000 -73,951,000 -51,892,000 -57,195,000 -71,953,000 -103,531,000 -75,645,000 -42,264,000 -37,179,000 -45,430,000 -98,738,000 -58,848,000 -51,696,000 -64,491,000 -25,020,000 -25,088,000 -30,650,000 -28,530,000 -22,103,000 -20,761,000 -29,907,000 -27,919,000 -46,225,000 -24,476,000 -24,756,000 -27,707,000 -26,498,000 -29,026,000 -23,362,000 -24,553,000 -14,521,000 -19,714,000 -15,864,000 -14,109,000 -14,931,000 -19,734,000 -14,900,000 -17,700,000 -23,113,000 -15,336,000 -23,606,000 -29,782,000 -34,396,000 -7,229,000 -10,725,000 -11,048,000 -10,259,000 -11,976,000 -14,442,000 -12,030,000 -10,604,000 -9,968,000 -12,917,000                                   
          acquisitions, net of cash acquired
        -20,160,000 -46,211,000   -522,000 -158,251,000 -48,980,000     -65,000,000    -276,229,000    -6,280,000   -219,705,000 -397,000 -15,830,000 -9,400,000 -1,163,897,000 -3,510,000 5,000 -7,809,000 -839,667,000 -390,012,000 -198,223,000 -3,810,000 -1,765,000 -1,162,000 -4,600,000     -2,779,000 -147,496,000 -15,076,000 -153,735,000 1,156,000 -21,110,000 44,287,000 -36,531,000 2,507,000 -102,562,000 -62,750,000 -80,870,000 -14,478,000 -1,955,000 -3,886,000 -4,967,000 -12,271,000 -23,046,000     -550,000                     
          other
        -791,000 -65,931,000 51,373,000 2,862,000 85,017,000 70,024,000 7,237,000 16,458,000 -2,419,000 24,921,000 7,764,000 7,199,000 -1,696,000 216,936,000 22,308,000 -8,675,000 -14,204,000 97,274,000 1,136,000 3,850,000 42,637,000 74,817,000 -13,394,000 46,246,000 -9,949,000 32,141,000 3,316,000 -807,000 -1,684,000 7,152,000 -2,664,000 -28,945,000 -716,000 28,654,000 -2,113,000 166,000 -5,855,000 -249,000 213,000 -412,000 -193,000 68,175,000 -1,250,000 930,000 -441,000 -12,343,000 -1,689,000 -182,000 384,000 11,064,000 5,396,000 -46,000 -2,438,000 -12,930,000 -7,487,000 -2,985,000 1,476,000 29,478,000 -6,165,000 -20,623,000 -11,134,000 1,594,000 -14,237,000 -10,824,000 -4,472,000 -3,818,000 27,017,000 -17,190,000 -62,334,000 -4,196,000 -2,845,000 50,874,000 -3,715,000 -114,246,000 -2,583,000 -2,358,000 -5,065,000 83,342,000 -3,637,000 -1,110,000 -1,878,000 -11,480,000 -2,347,000 -1,342,000 -1,758,000 -57,852,000 -1,545,000 -1,977,000 228,000 -24,571,000 -3,424,000 
          net cash provided (used) by investing activities
        -348,218,000   -109,409,000 192,805,000              -495,152,000 -1,159,752,000 -1,077,587,000  -1,031,165,000      342,120,000   -377,395,000 -68,244,000   399,119,000 37,657,000    -243,907,000     59,135,000 -437,823,000 -423,965,000 180,448,000 -326,090,000 114,779,000               -78,663,000 -48,269,000   12,073,000 92,998,000      10,798,000               
          financing activities
                                                                                                   
          additions to senior long-term debt and other debt
        295,472,000 170,754,000 171,254,000 277,365,000 263,456,000 155,720,000 176,969,000 829,067,000 272,449,000 149,008,000 119,879,000 194,934,000 161,151,000 276,111,000 228,890,000 274,766,000 254,285,000 209,438,000 95,492,000 741,220,000 152,355,000 33,337,000 26,911,000 73,507,000 89,428,000 66,359,000 844,094,000 647,373,000 87,356,000 61,136,000 36,700,000 56,407,000 52,706,000 622,019,000 12,740,000 10,596,000 19,302,000 5,763,000 20,302,000 516,912,000 16,323,000 20,026,000 8,541,000 13,519,000 27,711,000 25,405,000 34,926,000 19,029,000 10,120,000 -16,699,000 46,979,000 8,965,000 507,969,000 31,432,000 387,655,000 41,388,000 32,317,000 7,477,000 259,635,000 35,717,000 7,221,000 23,476,000                             
          repayment of senior long-term debt and other debt
        -217,063,000 -150,897,000 -251,753,000 -306,823,000 -202,809,000 -180,206,000 -222,757,000 -284,371,000 -209,415,000 -137,779,000 -165,593,000 -277,037,000 -369,227,000 -272,153,000 -595,687,000 -198,134,000 -189,031,000 -116,573,000 -152,809,000 -145,762,000 -71,586,000 -48,304,000 -135,388,000 -62,030,000 -30,274,000 -423,158,000 -566,797,000 -77,619,000 -36,100,000 -43,150,000 -65,891,000 -77,852,000 -102,306,000 -35,456,000 -84,952,000 -129,647,000 -9,917,000  -31,250,000 -212,531,000 -16,305,000  -12,699,000 -13,884,000 -29,160,000  -17,441,000                                             
          repurchases of common stock
        -133,931,000 -85,505,000 -74,393,000 -99,351,000 -170,270,000 -183,639,000 -128,897,000 -99,310,000 -160,882,000 -175,886,000 -82,432,000 -105,197,000 -81,964,000 -82,706,000 -81,799,000 -46,995,000 -79,296,000 -84,141,000 -61,551,000 -38,803,000 -22,023,000 -2,889,000 -78,000 -23,865,000 -34,309,000 -12,732,000 -31,617,000 -37,649,000 -23,178,000 -6,572,000 -11,968,000 -12,289,000 -26,402,000 -25,242,000 -35,682,000 -23,512,000 -35,639,000 -297,000 -14,486,000 -720,000 -4,229,000 -4,592,000 -5,122,000 -17,548,000 -131,000 -8,515,000 -125,000 -17,282,000 -526,000 -16,004,000 -40,689,000 -169,000 -811,000 -13,763,000 -2,299,000 -19,944,000   -17,829,000 -19,864,000 -4,387,000     -363,000 -18,332,000 -33,004,000 -8,902,000 -1,000 -45,879,000 -1,000              
          net cash used by financing activities
        -79,549,000    -105,795,000    -102,735,000  -169,407,000 -217,727,000 -412,154,000                -69,000  -60,306,000 -36,767,000 -74,696,000    -26,542,000    -8,802,000  -8,388,000 -14,845,000 -33,448,000                        -18,332,000 -126,054,000 -8,902,000     -19,463,000 -50,955,000   -2,422,000           
          effect of foreign currency rate changes on cash, cash equivalents, restricted cash, and restricted cash equivalents
        -10,169,000 -10,307,000                                                                                          
          increase in cash, cash equivalents, restricted cash, and restricted cash equivalents
        -422,024,000 -13,601,000                                                                                          
          cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period
        4,603,302,000                                                                                           
          cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period
        4,181,278,000                                                                                           
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                   
          deferred income tax expense
                                                                                                   
          depreciation and amortization expense
                                                                                                   
          net amortization of investment premium or discount
                                                                                                   
          net investment gains
                                                                                                   
          net foreign exchange losses
                                                                                                   
          increase in receivables
                                                                                                   
          increase in reinsurance recoverables
                                                                                                   
          decrease in deferred policy acquisition costs
                                                                                                   
          increase in prepaid reinsurance premiums
                                                                                                   
          increase in unpaid losses and loss adjustment expenses
                                                                                                   
          increase in unearned premiums
                                                                                                   
          increase in payables to insurance and reinsurance companies
                                                                                                   
          cost of other investments purchased
         -20,000    -1,599,000 -138,131,000                                                                                     
          net cash used by investing activities
         -554,008,000    -514,257,000 -326,072,000 -994,122,000 -564,167,000 -1,360,974,000 -969,072,000 -265,030,000 -108,531,000 -386,879,000 -879,964,000 -353,385,000 -49,976,000         121,999,000 -135,512,000   -344,024,000         -74,231,000    120,155,000          -353,303,000 14,501,000 -337,208,000 13,869,000 -30,650,000 16,157,000 -219,112,000 -91,528,000 36,804,000 21,252,000 -230,553,000 -253,903,000    -85,441,000    -30,962,000 -92,944,000 13,413,000 -277,070,000   -166,090,000 -163,934,000 -84,202,000 -153,051,000 -173,570,000 -360,384,000 -73,835,000 -159,907,000 -221,917,000 -171,672,000 -100,672,000 -325,289,000 -220,711,000 -222,447,000 
          dividends paid on preferred stock
           -18,000,000   -18,000,000   -18,000,000   -18,000,000                                                                         
          redemption of preferred stock
                                                                                                 
          purchase of noncontrolling interests
         -2,447,000   9,000   -9,000,000 -32,706,000 -21,665,000          -3,075,000 -11,483,000 -9,754,000 -6,465,000 -195,000 -6,863,000 -266,000 -9,098,000 -8,970,000  -89,000    -2,160,000 -10,314,000                                              
          distributions to noncontrolling interests
                              -1,117,000 -2,366,000 -1,842,000 -1,845,000 -2,246,000 -2,093,000 -2,808,000 -1,200,000 -2,149,000 -1,109,000 -4,706,000 -1,970,000 -1,584,000 -2,004,000 -2,341,000 -2,018,000 -744,000 -2,149,000 -1,038,000 -2,563,000 -1,234,000 -1,331,000 -1,159,000 -1,782,000 -931,000 -1,364,000 -1,168,000 -1,141,000 -1,204,000 -747,000 -2,032,000 -2,863,000                                      
          redemption of markel catco re noncontrolling interests
                 -88,997,000                                                                               
          cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of year
                                                                                                   
          cash, cash equivalents, restricted cash, and restricted cash equivalents at end of year
                                                                                                   
          net cash provided (used) by financing activities
          -170,830,000    -189,463,000       -104,257,000 -104,345,000 -367,859,000 -18,850,000        20,907,000 -411,327,000 250,488,000       555,630,000 -100,696,000   -50,974,000 -26,917,000       -20,385,000 -7,942,000 -7,855,000 -30,942,000         -16,989,000   -24,231,000   4,440,000 197,172,000 50,000,000      -6,000          -876,000 -1,840,000  513,000 49,342,000 23,224,000  19,000 
          proceeds from sales, maturities, calls and prepayments of fixed maturity securities
           544,251,000 500,466,000 445,643,000 439,003,000 637,316,000 546,793,000 766,638,000 366,114,000 401,830,000 592,004,000 594,593,000 187,714,000 250,483,000 119,545,000                                                                           
          effect of foreign currency rate changes on cash, cash equivalents, restricted cash and restricted cash equivalents
           47,116,000 19,492,000 -50,347,000 35,268,000 -3,171,000 -19,046,000 26,044,000 -13,244,000 -5,607,000 19,844,000 87,611,000 -90,423,000 -81,138,000 -19,411,000 -2,761,000 -34,028,000 8,044,000 -12,989,000 53,401,000 25,408,000 12,325,000 -35,233,000 27,750,000 -19,473,000 -9,833,000 7,199,000 -8,951,000 -5,214,000 -32,956,000 26,074,000 -20,043,000 40,361,000 18,511,000 6,466,000                                                       
          increase in cash, cash equivalents, restricted cash and restricted cash equivalents
           -379,849,000 482,694,000 -434,269,000 410,515,000   -712,828,000 -196,067,000 236,076,000 -216,660,000   -296,266,000 326,636,000 373,936,000 155,193,000 -146,086,000 -718,745,000 -45,904,000 -364,819,000 1,169,048,000 957,971,000 300,584,000 558,303,000 -122,939,000 367,973,000 -230,510,000 382,546,000 -197,256,000 -59,194,000 145,181,000 -230,578,000 471,552,000 29,527,000                                                       
          cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period
           4,192,248,000  4,332,034,000  5,221,513,000  4,880,947,000  5,216,649,000  3,500,353,000  2,396,432,000  2,500,846,000  2,085,164,000                                                       
          cash, cash equivalents, restricted cash and restricted cash equivalents at end of period
           -379,849,000 4,674,942,000  410,515,000 -60,738,000 4,276,740,000  -196,067,000 236,076,000 5,004,853,000  -115,449,000 -296,266,000 5,207,583,000  155,193,000 -146,086,000 4,497,904,000  -364,819,000 1,169,048,000 4,458,324,000  558,303,000 -122,939,000 2,764,405,000  382,546,000 -197,256,000 2,441,652,000  -230,578,000 471,552,000 2,114,691,000                                                       
          net investment losses
                                                                                                   
          gain on sale of businesses
                                                                                                   
          impairment of goodwill
                                                                                                   
          decrease in life and annuity benefits
                                                                                                   
          consolidation of markel catco re
                     629,955,000                                                                           
          distributions to markel catco re noncontrolling interests for buy-out transaction
                                                                                                 
          proceeds from sale of businesses
                                                                                                   
          cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of year
                                                                                                   
          cash, cash equivalents, restricted cash and restricted cash equivalents at end of year
                                                                                                   
          proceeds from sales of subsidiaries
                                                                                                  
          decrease in cash, cash equivalents, restricted cash and restricted cash equivalents
                -55,294,000                                                                                   
          depreciation and amortization
                                                                                                   
          increase in deferred policy acquisition costs
                                                                                                   
          cost of equity method and other investments purchased
                 -33,124,000                                                                                  
          advance funding for repayment of senior long-term debt
                                                                                                   
          proceeds from sale of business
                      2,659,000 106,846,000                                                                           
          issuance of preferred stock
                                                                                                 
          increase in income taxes payable
                                                                                                   
          proceeds from sales of fixed maturity securities and equity securities
                         42,680,000 43,626,000 69,296,000 69,118,000 35,787,000 117,725,000                                                                     
          proceeds from maturities, calls and prepayments of fixed maturity securities
                         216,791,000 195,720,000 171,327,000 100,123,000 134,655,000 148,418,000                                                                     
          cost of fixed maturity securities and equity securities purchased
                         -1,040,769,000 -969,682,000 -814,613,000 -595,695,000 -557,395,000 -315,826,000                                                                     
          cost of equity method investments
                               -40,857,000 -1,364,000           -4,350,000 -3,100,000   -385,000 -2,040,000 -18,824,000 -600,000 -6,640,000 -358,000 -1,033,000 -8,050,000 -13,140,000 -19,087,000   -2,000,000 -400,000                                     
          premiums and fees related to early extinguishment of debt
                                 -16,987,000                                                                
          net cash from financing activities
                         -69,617,000 -124,897,000 510,574,000 53,707,000  -131,909,000                           -14,172,000   231,189,000    9,103,000   1,741,000   17,771,000                   -922,000          
          impairment of goodwill and intangible assets
                                                                                                   
          proceeds from sales of equity and cost method investments
                              15,167,000                                                                   
          proceeds from disposals of fixed assets
                              19,938,000 208,000 381,000  2,168,000 -174,000 13,955,000                                                               
          payment of contingent consideration
                              -21,259,000                                                                 
          proceeds from sales of fixed maturities and equity securities
                                266,421,000 27,614,000 93,928,000 98,923,000 133,453,000 57,431,000 127,326,000 93,714,000 140,728,000 217,323,000 97,809,000 173,231,000 89,287,000 35,712,000 103,618,000 125,824,000 100,668,000 327,499,000 111,571,000 28,187,000 71,721,000 103,634,000 141,662,000 381,128,000 660,447,000 382,200,000 373,255,000 71,275,000 52,834,000 143,034,000 50,085,000 74,366,000 69,063,000 97,690,000 37,214,000 69,917,000 33,658,000 108,745,000 77,690,000 88,833,000 73,905,000 32,509,000 10,314,000 113,150,000 116,289,000 145,276,000 308,601,000 227,708,000 181,354,000 401,788,000 543,563,000 295,630,000 318,996,000 436,049,000 276,133,000 593,889,000 532,994,000 461,867,000 768,729,000 443,469,000 854,101,000 792,248,000 1,007,607,000 1,510,313,000 880,426,000 703,892,000 536,293,000 
          proceeds from maturities, calls and prepayments of fixed maturities
                                104,226,000 325,711,000 140,530,000 177,646,000 128,449,000 92,291,000 84,798,000 183,459,000 191,260,000 181,139,000 272,733,000 274,148,000 401,875,000 229,155,000 262,103,000 255,452,000 216,455,000 341,116,000 351,566,000 422,412,000 388,522,000 310,689,000 326,982,000 342,255,000 440,891,000 624,744,000 360,419,000 370,064,000 120,711,000 156,208,000 97,986,000 137,212,000 119,291,000 53,682,000 89,317,000 112,952,000 60,076,000 126,598,000 79,616,000 59,683,000 87,151,000 106,505,000 59,612,000 87,970,000 96,442,000 184,743,000 35,289,000 69,162,000 68,546,000 67,934,000 28,573,000 42,084,000 35,406,000 79,056,000 14,249,000 44,251,000 26,594,000 90,185,000 74,307,000 44,887,000 39,381,000 63,581,000 75,254,000 57,137,000 53,051,000 30,586,000  
          cost of fixed maturities and equity securities purchased
                                -382,415,000 -298,407,000 -169,892,000 -260,115,000 -227,556,000 -136,650,000 -223,888,000 -687,998,000 -497,377,000 -13,843,000 -223,124,000 -346,607,000 -592,707,000 -477,543,000 -403,641,000 -462,109,000 -862,646,000 -647,653,000 -371,667,000 -324,383,000 -232,551,000 -465,980,000 -788,328,000 -784,011,000 -1,114,736,000 -913,882,000 -364,362,000 -310,378,000 -62,775,000 -35,512,000 -104,939,000 -80,062,000 -205,926,000 -213,885,000 -169,891,000 -142,282,000 -87,944,000 -180,400,000 -498,987,000 -413,395,000 -205,841,000 -99,244,000 -8,474,000 -107,805,000 -128,291,000 -250,856,000 -215,340,000 -344,888,000 -541,086,000 -640,410,000 -689,456,000 -309,595,000 -486,157,000 -602,758,000 -378,887,000 -708,059,000 -754,355,000 -807,809,000 -1,049,889,000 -580,722,000 -1,059,421,000 -1,094,665,000 -1,252,510,000 -1,655,943,000 -1,233,462,000 -1,072,335,000 -694,951,000 
          net cash from investing activities
                                906,619,000                    30,662,000                                               
          increase in accrued expenses
                                                                                                   
          increase in other liabilities
                                                                                                   
          loss on early extinguishment of debt
                                                                                                   
          net realized investment losses
                                                                                                   
          decrease in receivables
                                                                                                   
          proceeds from sales of equity method investments
                                         415,000 57,000 474,000 2,407,000 -535,000 2,846,000 999,000 5,480,000 951,000 839,000 6,362,000 15,003,000 5,354,000 11,710,000 7,710,000 82,518,000 85,556,000 152,631,000                                         
          issuance of common stock
                                         193,000 359,000 92,000 430,000 1,068,000 3,033,000 781,000 362,000 3,180,000 429,000 731,000 238,000 359,000 4,363,000 5,855,000 2,728,000                                         
          adjustments to reconcile net income to net cash provided (used) by operating activities
                                            -59,094,000    -268,215,000            -33,709,000       -19,064,000                 -81,772,000               
          net cash provided (used) by operating activities
                                            11,946,000    -104,569,000            55,554,000       -9,203,000                 -5,182,000               
          net realized investment gains
                                                                                                   
          decrease in other liabilities
                                                                                                   
          change in restricted cash and cash equivalents
                                             32,299,000 -28,932,000 97,061,000 -7,058,000 -73,879,000 145,951,000 31,093,000 -40,841,000 61,066,000 -667,000 51,405,000 152,897,000 -186,755,000 -203,755,000                                         
          repayment and retirement of senior long-term debt and other debt
                                                        -8,608,000 -1,884,000                                          
          purchase of redeemable noncontrolling interests
                                                        -17,758,000 -3,412,000 -8,440,000                                       
          effect of foreign currency rate changes on cash and cash equivalents
                                             -26,399,000 -4,535,000 -13,293,000 11,434,000 -8,369,000 -15,860,000 13,484,000 -22,128,000 -24,336,000 -32,341,000 9,886,000 971,000 402,000 14,875,000 -1,246,000 -7,546,000 -471,000 4,272,000 -3,363,000 2,704,000 -7,694,000 1,509,000 3,678,000 9,448,000 -4,327,000 -4,359,000 -5,143,000 5,843,000 13,438,000 -4,389,000                         
          increase in cash and cash equivalents
                                             -417,651,000    368,808,000   -2,082,000 194,578,000 -178,543,000 -207,286,000 172,894,000 -136,796,000 412,700,000   138,353,000 -2,380,000   152,239,000   131,279,000 49,003,000 -212,822,000 -188,718,000 352,275,000 39,161,000 7,397,000 51,119,000 -93,690,000 70,093,000 134,395,000 94,035,000  151,298,000 70,210,000           2,077,000 21,127,000   28,631,000 -9,360,000 
          cash and cash equivalents at beginning of year
                                                                                                   
          cash and cash equivalents at end of year
                                                                                                   
          cash and cash equivalents at beginning of period
                                              2,630,009,000  1,960,169,000  1,978,526,000  -109,415,000 973,181,000  775,032,000 745,259,000 850,494,000  639,578,000  477,661,000   333,757,000  378,939,000  372,511,000  444,236,000  
          cash and cash equivalents at end of period
                                              148,460,000 -276,227,000 2,284,165,000  408,257,000 -105,143,000 1,958,087,000  -178,543,000 -207,286,000 2,151,420,000  412,700,000 803,547,000 899,075,000  -2,380,000 145,411,000 691,797,000 152,239,000 118,007,000 649,947,000 131,279,000 49,003,000 637,672,000  352,275,000 39,161,000 646,975,000  -93,690,000 70,093,000 612,056,000  -19,789,000  70,210,000 45,189,000 288,418,000  -14,390,000 59,320,000 332,405,000  -11,044,000 102,145,000 265,522,000  21,127,000 103,531,000 245,776,000  -9,360,000 
          decrease in cash and cash equivalents
                                               -276,227,000 -345,844,000            -74,106,000    -83,235,000   -95,312,000                 -45,339,000    -46,534,000  -11,044,000 102,145,000 -106,989,000    -198,460,000   
          decrease in payables to insurance and reinsurance companies
                                                                                                   
          repayments of senior long-term debt and other debt
                                                           -3,037,000 -268,522,000  -191,591,000 -43,661,000 -27,868,000 -4,355,000 -19,165,000 -33,873,000 -6,148,000 -231,000 -1,318,000                             
          increase in payables to insurance companies
                                                                                                   
          purchase of noncontrolling interest
                                                                                                  
          adjustments to reconcile net income to net cash used by operating activities
                                                                -122,105,000                                   
          net cash used by operating activities
                                                                -64,392,000                                   
          decrease in unearned premiums
                                                                                                   
          cost of investments in affiliates
                                                                        -1,492,000 -3,683,000 -771,000 -1,547,000 -5,657,000 -2,902,000 -3,075,000   -2,700,000 -1,003,000 -55,000,000               
          retirement of junior subordinated deferrable interest debentures
                                                                               -14,394,000 -19,463,000 -2,564,000              
          fixed maturities:
                                                                                                   
          u.s. treasury securities and obligations of u.s. government agencies
                                                                                                   
          obligations of states, municipalities and political subdivisions
                                                                                                   
          foreign governments
                                                                                                   
          residential mortgage-backed securities
                                                                                                   
          asset-backed securities
                                                                                                   
          public utilities
                                                                                                   
          convertible bonds
                                                                                                   
          all other corporate bonds
                                                                                                   
          total fixed maturities
                                                                                                   
          equity securities:
                                                                                                   
          insurance companies, banks and trusts
                                                                                                   
          industrial, consumer and all other
                                                                                                   
          total equity securities
                                                                                                   
          short-term investments
                                                                                                   
          investments, available-for-sale
                                                                                                   
          additions to long-term debt
                                                                                              49,262,000 198,020,000   
          repayment of long-term debt
                                                                                                   
          additions to senior long-term debt
                                                                         150,000,000                       
          repayment of senior long-term debt
                                                                                                   
          repayments of senior long-term debt
                                                                          -100,000,000                         
          decrease (increase) in deferred policy acquisition costs
                                                                                                   
          repayment and retirement of senior long-term debt
                                                                                                  
          convertibles and bonds with warrants
                                                                                                   
          industrial, miscellaneous and all other
                                                                                                   
          nonredeemable preferred stocks
                                                                                                   
          net proceeds from sale of subsidiary
                                                                                                 
          repayments and retirement of senior long-term debt
                                                                                                  
          retirement of senior long-term debt
                                                                                  -2,037,000 -2,512,000               
          investment in affiliates
                                                                                                   
          total investments
                                                                                                   
          investments in affiliates
                                                                                                   
          sale of subsidiary, net of cash sold
                                                                                        -13,957,000           
          deferred income tax benefit
                                                                                                   
          decrease (increase) in receivables
                                                                                                   
          net cash from (used by) financing activities
                                                                                                   
          repurchase of common stock
                                                                                       -2,422,000 -1,000 -1,116,000 -2,268,000       
          repayments and repurchases of senior long-term debt and convertible notes payable
                                                                                                   
          fixed maturities
                                                                                                   
          equity securities
                                                                                                   
          repayments and repurchases of senior long-term debt
                                                                                                   
          net realized gains from investment sales
                                                                                                   
          additions to senior long-term debt and convertible notes payable
                                                                                                   
          banks, trusts and insurance companies
                                                                                                   
          repayments and repurchases of long-term debt and convertible notes payable
                                                                                                
          repayments and repurchases of long-term debt
                                                                                                -175,000,000   
          acquisitions of insurance companies, net of cash acquired
                                                                                                   
          sales of insurance companies, net of cash sold
                                                                                                   
          additions to long-term debt and convertible notes payable
                                                                                                 105,000,000 
          proceeds from maturities of fixed maturities