7Baggers

Sonic Automotive, Inc
(NYSE:SAH) 

SAH stock logo

Sonic Automotive, Inc. operates as an automotive retailer in the United States. It operates in two segments, Franchised Dealerships and EchoPark. The Franchised Dealerships segment is involved in the sale of new and used cars and light trucks, and replacement parts; provision of vehicle maintenance,...

Founded: 1997
Full Time Employees: 9,300
Sector: Consumer Cyclical
Industry: Auto & Truck Dealerships

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    Unit: USD2026-04-30 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 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 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 2005-12-31 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 
                                                                                                   
      revenues:
                                                                                                   
      retail new vehicles
    1,607,400,000 1,852,200,000 1,872,800,000 1,666,100,000 1,656,300,000 1,932,300,000 1,566,800,000 1,552,600,000 1,455,800,000 1,680,200,000 1,573,500,000 1,608,200,000 1,442,800,000 1,553,900,000 1,373,100,000 1,344,300,000 1,351,300,000                                                                               
      fleet new vehicles
    20,700,000 24,100,000 26,000,000 29,400,000 22,100,000 27,300,000 22,200,000 26,200,000 19,600,000 21,800,000 23,200,000 28,300,000 18,800,000 29,400,000 32,000,000 166,400,000 148,600,000                                                                               
      total new vehicles
    1,628,100,000 1,876,300,000 1,898,800,000 1,695,500,000 1,678,400,000 1,959,600,000 1,589,000,000 1,578,800,000 1,475,400,000 1,702,000,000 1,596,700,000 1,636,500,000 1,461,600,000 1,583,300,000 1,405,100,000 1,510,700,000 1,499,900,000                                                                               
      used vehicles
    1,269,600,000 1,213,800,000 1,253,100,000 1,180,700,000 1,225,000,000 1,197,600,000 1,180,700,000 1,186,200,000 1,215,600,000 1,222,400,000 1,340,400,000 1,305,900,000 1,344,900,000 1,337,100,000 1,358,000,000 1,449,400,000 1,370,900,000 1,210,914,000 1,309,492,000 1,266,696,000 1,090,097,000 959,875,000 946,028,000 808,877,000 850,052,000 869,708,000 914,272,000 885,627,000 820,366,000 755,882,000 745,998,000 762,572,000 709,046,000 685,965,000 659,724,000 641,891,000 634,474,000 -1,881,513,974 660,974,000 622,186,000 598,355,000 607,430,000 652,058,000 658,794,000 593,742,000 -1,747,253,974.9 583,570,000 603,868,000 559,816,000 551,028,000 559,848,000 538,977,000 526,182,000 471,795,000 534,028,000 550,040,000 517,052,000 488,151,000 530,969,000 536,196,000 482,031,000 334,830,750 453,815,000 470,365,000 423,610,000 440,951,000 365,501,000 361,452,000 290,256,000 124,455,000 339,498,000 379,522,000 372,559,000 1,448,464,000,000 376,373,000 364,062,000 331,032,000 297,533,000 324,482,000 336,726,000 301,756,000 305,043,000 324,841,000 313,940,000 305,860,000  311,972,000 297,970,000 290,191,000 199,317,000 320,365,000 316,902,000 281,196,000 279,950,000 333,828,000 
      wholesale vehicles
    71,800,000 63,600,000 84,200,000 83,300,000 82,700,000 71,300,000 67,200,000 71,300,000 77,300,000 62,500,000 79,300,000 91,500,000 85,600,000 80,100,000 114,700,000 121,400,000 168,700,000 110,499,000 97,087,000 84,807,000 74,809,000 59,157,000 56,502,000 33,175,000 48,543,000 46,595,000 51,542,000 50,039,000 54,770,000 49,899,000 48,578,000 53,748,000 65,398,000 40,890,000 43,098,000 40,765,000 46,310,000 -153,140,997.8 70,522,000 38,245,000 44,374,000 34,579,000 37,971,000 41,131,000 41,656,000 -127,796,998.2 41,433,000 44,765,000 41,598,000 40,772,000 42,731,000 40,032,000 51,792,000 42,656,000 53,088,000 43,984,000 45,341,000 48,141,000 48,588,000 41,480,000 35,362,000 27,084,000 47,597,000 30,111,000 31,384,000 53,217,000 33,220,000 30,685,000 32,180,000 -4,008,000 72,316,000 82,467,000 88,911,000 427,797,600,000 108,787,000 107,828,000 115,156,000 104,753,000 126,438,000 128,451,000 129,129,000 132,350,000 142,033,000 143,275,000 126,282,000  139,480,000 128,527,000 114,458,000 88,092,000 125,389,000 109,697,000 103,244,000 98,078,000 131,973,000 
      total vehicles
    2,969,500,000 3,153,700,000 3,236,100,000 2,959,500,000 2,986,100,000 3,228,500,000 2,836,900,000 2,836,300,000 2,768,300,000 2,986,900,000 3,016,400,000 3,033,900,000 2,892,100,000 3,000,500,000 2,877,800,000 3,081,500,000 3,039,500,000 2,673,280,000 2,553,501,000 2,814,396,000 2,321,223,000 2,342,461,000 2,100,832,000 1,742,055,000 1,858,084,000 2,276,368,000 2,223,832,000 2,140,420,000 1,941,470,000 2,125,368,000 2,029,670,000 2,054,891,000 1,955,290,000 2,212,604,000 2,065,123,000 1,957,725,000 1,852,716,000 1,465,208,250 2,106,640,000 1,946,895,000 1,807,299,000 2,041,771,000 2,058,058,000 1,995,213,000 1,837,721,000 1,412,071,250 1,952,840,000 1,947,410,000 1,748,034,000 1,929,499,000 1,863,849,000 1,826,170,000 1,721,030,000 1,777,913,000 1,796,482,000 1,815,321,000 1,626,846,000 1,721,964,000 1,638,137,000 1,612,948,000 1,498,138,000 1,014,911,750 1,439,121,000 1,402,928,000 1,239,236,000 1,584,608,000 1,224,088,000 1,098,308,000 912,702,000 258,603,000 1,454,197,000 1,631,968,000 1,554,336,000 6,928,969,880,000 1,827,363,000 1,745,074,000 1,610,710,000 1,629,215,000 1,733,269,000 1,714,539,000 1,523,580,000 1,637,780,000 1,754,958,000 1,726,783,000 1,511,525,000  1,661,120,000 1,570,740,000 1,413,001,000 1,137,725,000 1,720,831,000 1,635,070,000 1,388,593,000 1,384,988,000 1,685,662,000 
      parts, service and collision repair
    516,600,000 515,300,000 533,900,000 495,600,000 474,400,000 476,700,000 479,000,000 444,100,000 446,700,000 431,900,000 453,400,000 443,700,000 430,500,000 416,300,000 404,700,000 398,100,000 380,500,000 360,064,000 355,227,000 360,596,000 320,914,000 319,068,000 320,929,000 259,058,000 334,680,000 346,514,000 352,047,000 355,312,000 341,430,000 339,257,000 343,118,000 346,754,000 351,758,000 355,137,000 347,717,000 361,113,000 352,043,000 -1,059,092,985.5 361,709,000 351,329,000 346,054,000 345,069,000 350,520,000 346,164,000 323,194,000 -973,645,985.9 325,740,000 329,134,000 318,771,000 316,888,000 309,600,000 307,046,000 296,642,000 276,907,000 290,897,000 304,570,000 301,748,000 292,400,000 297,951,000 299,523,000 291,770,000 210,674,250 283,741,000 287,095,000 279,370,000 320,719,000 255,372,000 257,751,000 240,724,000 111,546,000 284,132,000 294,608,000 296,049,000 1,190,457,331,000 303,313,000 290,916,000 294,852,000 284,979,000 281,328,000 273,446,000 266,526,000 277,806,000 279,702,000 274,489,000 267,415,000  269,549,000 257,653,000 246,897,000 195,600,000 260,478,000 251,601,000 236,066,000 223,312,000 246,922,000 
      finance, insurance and other
    202,400,000 202,300,000 203,800,000 202,100,000 190,800,000 190,600,000 175,600,000 172,600,000 169,000,000 166,000,000 173,700,000 175,300,000 168,600,000 173,800,000 165,600,000 173,200,000 166,600,000 151,200,000 164,084,000 177,254,000 144,661,000 137,026,000 126,784,000 110,773,000 115,292,000 125,522,000 126,841,000 118,349,000 106,238,000 109,633,000 98,061,000 104,104,000 93,725,000 100,198,000 92,861,000 86,908,000 83,063,000 -254,939,996.5 89,579,000 84,088,000 81,273,000 83,796,000 85,830,000 82,363,000 74,600,000 -223,339,996.7 77,024,000 76,736,000 69,581,000 68,982,000 68,747,000 69,220,000 65,494,000 63,223,000 64,867,000 65,338,000 59,248,000 56,434,000 56,761,000 55,781,000 49,468,000 33,401,750 47,398,000 45,985,000 40,959,000 46,148,000 41,302,000 36,552,000 31,971,000 15,159,000 46,512,000 52,943,000 51,137,000 211,282,120,000 55,199,000 54,360,000 48,846,000 45,160,000 53,064,000 45,755,000 45,432,000 48,012,000 52,834,000 50,370,000 46,536,000  52,303,000 48,822,000 43,895,000       
      total revenues
    3,688,500,000 3,871,300,000 3,973,800,000 3,657,200,000 3,651,300,000 3,895,800,000 3,491,500,000 3,453,000,000 3,384,000,000 3,584,800,000 3,643,500,000 3,652,900,000 3,491,200,000 3,590,600,000 3,448,100,000 3,652,800,000 3,586,600,000 3,184,544,000 3,072,812,000 3,352,246,000 2,786,798,000 2,798,555,000 2,548,545,000 2,111,886,000 2,308,056,000 2,748,404,000 2,702,720,000 2,614,081,000 2,389,138,000 2,574,258,000 2,470,849,000 2,505,749,000 2,400,773,000 2,667,939,000 2,505,701,000 2,405,746,000 2,287,822,000 -7,174,865,900 2,557,928,000 2,382,312,000 2,234,626,000 2,470,636,000 2,494,408,000 2,423,740,000 2,235,515,000 -6,845,270,900 2,355,604,000 2,353,280,000 2,136,386,000 2,315,369,000 2,242,196,000 2,202,436,000 2,083,166,000 2,118,043,000 2,152,246,000 2,185,229,000 1,987,842,000 2,070,798,000 1,992,849,000 1,968,252,000 1,839,376,000 1,258,987,750 1,770,260,000 1,736,008,000 1,559,565,000 1,951,475,000 1,520,762,000 1,392,611,000 1,185,397,000 385,308,000 1,784,841,000 1,979,519,000 1,901,522,000 8,330,709,331,000 2,185,875,000 2,090,350,000 1,954,408,000 1,959,354,000 2,067,661,000 2,033,740,000 1,835,538,000 1,963,598,000 2,087,494,000 2,051,642,000 1,825,476,000  1,982,972,000 1,877,215,000 1,703,793,000 1,367,582,000 2,038,087,000 1,941,591,000 1,673,230,000 1,653,365,000 1,990,890,000 
      yoy
    1.02% -0.63% 13.81% 5.91% 7.90% 8.68% -4.17% -5.47% -3.07% -0.16% 5.67% 0.00% -2.66% 12.75% 12.21% 8.97% 28.70% 13.79% 20.57% 58.73% 20.74% 1.82% -5.70% -19.21% -3.39% 6.76% 9.38% 4.32% -0.48% -3.51% -1.39% 4.16% 4.94% -137.18% -2.04% 0.98% 2.38% -390.41% 2.55% -1.71% -0.04% -136.09% 5.89% 2.99% 4.64% -395.64% 5.06% 6.85% 2.55% 9.32% 4.18% 0.79% 4.80% 2.28% 8.00% 11.02% 8.07% 64.48% 12.57% 13.38% 17.94% -35.49% 16.41% 24.66% 31.56% 406.47% -14.80% -29.65% -37.66% -100.00% -18.35% -5.30% -2.71% 425076.33% 5.72% 2.78% 6.48% -0.22% -0.95% -0.87% 0.55%  5.27% 9.29% 7.14%  -2.70% -3.32% 1.83% -17.28% 2.37%     
      qoq
    -4.72% -2.58% 8.66% 0.16% -6.28% 11.58% 1.11% 2.04% -5.60% -1.61% -0.26% 4.63% -2.77% 4.13% -5.60% 1.85% 12.63% 3.64% -8.34% 20.29% -0.42% 9.81% 20.68% -8.50% -16.02% 1.69% 3.39% 9.42% -7.19% 4.19% -1.39% 4.37% -10.01% 6.47% 4.15% 5.15% -131.89% -380.50% 7.37% 6.61% -9.55% -0.95% 2.92% 8.42% -132.66% -390.60% 0.10% 10.15% -7.73% 3.26% 1.81% 5.73% -1.65% -1.59% -1.51% 9.93% -4.01% 3.91% 1.25% 7.01% 46.10% -28.88% 1.97% 11.31% -20.08% 28.32% 9.20% 17.48% 207.65% -78.41% -9.83% 4.10% -99.98% 381015.54% 4.57% 6.96% -0.25% -5.24% 1.67% 10.80% -6.52% -5.94% 1.75% 12.39%   5.63% 10.18% 24.58% -32.90% 4.97% 16.04% 1.20% -16.95%  
      cost of sales :
                                                                                                   
      total cost of sales
    -3,089,700,000 -3,272,600,000 -3,358,300,000 -3,055,000,000 -3,084,900,000 -3,321,900,000 -2,947,900,000 -2,913,900,000 -2,847,800,000 -3,043,700,000 -3,061,300,000 -3,084,000,000 -2,937,700,000 -3,014,500,000 -2,867,400,000 -3,064,000,000 -3,015,300,000 -2,653,964,000 -2,600,793,000 -2,841,438,000 -2,385,905,000 -2,409,438,000 -2,171,978,000 -1,804,503,000 -1,957,478,000 -2,354,520,000 -2,315,909,000 -2,232,770,000 -2,030,127,000 -2,203,543,000 -2,110,313,000 -2,143,374,000 -2,048,274,000 -2,283,849,000 -2,143,079,000 -2,045,128,000 -1,937,476,000 -1,529,331,500 -2,198,843,000 -2,029,007,000 -1,889,476,000 -2,106,788,000 -2,134,157,000 -2,068,186,000 -1,900,556,000 -1,456,958,750 -2,014,115,000 -2,006,333,000 -1,807,386,000 -1,976,669,000 -1,916,115,000 -1,878,630,000 -1,770,146,000 -1,813,258,000 -1,844,587,000 -1,864,457,000 -1,675,973,000 -1,765,503,000 -1,689,925,000 -1,658,520,000 -1,548,208,000 -1,051,449,500 -1,488,461,000 -1,450,989,000 -1,290,874,000 -1,636,834,000 -1,263,294,000 -1,150,777,000 -967,155,000 -298,974,000 -1,499,148,000 -1,668,764,000 1,595,879,000 7,040,093,538,000 1,850,922,000                     
      gross profit
    598,800,000 598,700,000 615,500,000 602,200,000 566,400,000 573,900,000 543,600,000 539,100,000 536,200,000 541,100,000 582,200,000 568,900,000 553,500,000 576,100,000 580,700,000 588,800,000 571,300,000 530,580,000 472,019,000 510,808,000 400,893,000 389,117,000 376,567,000 307,383,000 350,578,000 393,884,000 386,811,000 381,311,000 359,011,000 370,715,000 360,536,000 362,375,000 352,499,000 384,090,000 362,622,000 360,618,000 350,346,000 -1,057,539,985.3 359,085,000 353,305,000 345,150,000 363,848,000 360,251,000 355,554,000 334,959,000 -1,017,435,985.1 341,489,000 346,947,000 329,000,000 338,700,000 326,081,000 323,806,000 313,020,000 304,785,000 307,659,000 320,772,000 311,869,000 305,295,000 302,924,000 309,732,000 291,168,000 284,547,000 281,799,000 285,019,000 268,691,000 314,641,000 257,468,000 241,834,000 218,242,000 86,334,000 285,693,000 310,755,000 305,643,000 1,290,615,793,000 334,953,000 325,233,000 310,463,000 304,806,000 316,966,000 307,994,000 290,839,000 307,484,000 315,315,000 308,499,000 287,341,000  296,121,000 290,267,000 267,613,000 208,971,000 302,355,000 292,702,000 265,244,000 257,645,000 301,256,000 
      yoy
    5.72% 4.32% 13.23% 11.70% 5.63% 6.06% -6.63% -5.24% -3.13% -6.08% 0.26% -3.38% -3.12% 8.58% 23.02% 15.27% 42.51% 36.35% 25.35% 66.18% 14.35% -1.21% -2.65% -19.39% -2.35% 6.25% 7.29% 5.23% 1.85% -3.48% -0.58% 0.49% 0.61% -136.32% 0.99% 2.07% 1.51% -390.65% -0.32% -0.63% 3.04% -135.76% 5.49% 2.48% 1.81% -400.39% 4.73% 7.15% 5.11% 11.13% 5.99% 0.95% 0.37% -0.17% 1.56% 3.56% 7.11% 7.29% 7.50% 8.67% 8.37% -9.56% 9.45% 17.86% 23.12% 264.45% -9.88% -22.18% -28.60% -99.99% -14.71% -4.45% -1.55% 423322.04% 5.67% 5.60% 6.75% -0.87% 0.52% -0.16% 1.22%  6.48% 6.28% 7.37%  -2.06% -0.83% 0.89% -18.89% 0.36%     
      qoq
    0.02% -2.73% 2.21% 6.32% -1.31% 5.57% 0.83% 0.54% -0.91% -7.06% 2.34% 2.78% -3.92% -0.79% -1.38% 3.06% 7.67% 12.41% -7.59% 27.42% 3.03% 3.33% 22.51% -12.32% -10.99% 1.83% 1.44% 6.21% -3.16% 2.82% -0.51% 2.80% -8.22% 5.92% 0.56% 2.93% -133.13% -394.51% 1.64% 2.36% -5.14% 1.00% 1.32% 6.15% -132.92% -397.94% -1.57% 5.46% -2.86% 3.87% 0.70% 3.45% 2.70% -0.93% -4.09% 2.85% 2.15% 0.78% -2.20% 6.38% 2.33% 0.98% -1.13% 6.08% -14.60% 22.21% 6.46% 10.81% 152.79% -69.78% -8.06% 1.67% -99.98% 385212.50% 2.99% 4.76% 1.86% -3.84% 2.91% 5.90% -5.41% -2.48% 2.21% 7.36%   2.02% 8.47% 28.06% -30.89% 3.30% 10.35% 2.95% -14.48%  
      gross margin %
    16.23% 15.47% 15.49% 16.47% 15.51% 14.73% 15.57% 15.61% 15.85% 15.09% 15.98% 15.57% 15.85% 16.04% 16.84% 16.12% 15.93% 16.66% 15.36% 15.24% 14.39% 13.90% 14.78% 14.55% 15.19% 14.33% 14.31% 14.59% 15.03% 14.40% 14.59% 14.46% 14.68% 14.40% 14.47% 14.99% 15.31% 14.74% 14.04% 14.83% 15.45% 14.73% 14.44% 14.67% 14.98% 14.86% 14.50% 14.74% 15.40% 14.63% 14.54% 14.70% 15.03% 14.39% 14.29% 14.68% 15.69% 14.74% 15.20% 15.74% 15.83% 22.60% 15.92% 16.42% 17.23% 16.12% 16.93% 17.37% 18.41% 22.41% 16.01% 15.70% 16.07% 15.49% 15.32% 15.56% 15.89% 15.56% 15.33% 15.14% 15.84% 15.66% 15.10% 15.04% 15.74% NaN% 14.93% 15.46% 15.71% 15.28% 14.84% 15.08% 15.85% 15.58% 15.13% 
      selling, general and administrative expenses
    -427,000,000 -433,700,000 -451,600,000 -412,600,000 -380,300,000 -399,600,000 -392,100,000 -393,000,000 -392,200,000 -386,300,000 -409,600,000 -391,900,000 -412,800,000 -366,300,000 -399,000,000 -402,800,000 -387,000,000 -343,351,000 -321,373,000 -320,620,000 -289,356,000 -258,978,000 -257,174,000 -230,359,000 -282,156,000 -260,921,000 -296,826,000 -294,532,000 -247,095,000 -273,915,000 -289,022,000 -277,462,000 -304,925,000 -277,634,000 -283,974,000 -293,931,000 -292,234,000 843,721,011.4 -282,141,000 -277,204,000 -284,375,000 -275,001,000 -280,041,000 -284,661,000 -270,862,000 803,031,011.6 -270,144,000 -268,914,000 -263,973,000 -254,646,000 -254,564,000 -248,090,000 -245,824,000 -226,580,000 -238,680,000 -249,525,000 -247,480,000 -240,779,000 -238,704,000 -240,439,000 -232,514,000 -224,258,000 -226,331,000 -228,372,000 -224,310,000 -254,960,000 -203,694,000 -192,753,000 -181,535,000 -65,432,000 -267,961,000 -242,042,000 242,451,000 966,976,251,000 249,101,000 241,244,000 240,288,000 224,846,000 236,766,000 242,537,000 226,307,000 234,577,000 242,669,000 236,952,000 232,125,000  240,118,000 222,014,000 214,079,000 160,563,000 240,654,000 230,584,000 218,990,000 205,322,000 230,718,000 
      impairment charges
    -400,000   -172,400,000 -1,400,000 -1,500,000  -1,400,000 -1,000,000 -16,700,000  -62,600,000          -1,158,000 -26,000 -833,000 -268,000,000 -17,692,000 -1,124,000  -1,952,000 -15,553,000  -10,317,000 -3,643,000 -6,079,000 -200,000 -2,605,000 -510,000 6,240,000.1 -6,089,000 -151,000  -1,257,000 -37,000 -10,469,000 -6,192,000 215,000.1 -208,000 -4,000 -3,000 -9,803,000 -18,000 -36,000 -15,000 -383,000 -23,000 -33,000 -1,000 -991,000 -102,000 -41,000 -17,000 -68,000 -87,000 -1,000 -44,000 -20,350,000 -339,000 -3,793,000 -32,000                           
      depreciation and amortization
    -38,700,000 -41,800,000 -41,200,000 -40,500,000 -39,700,000 -39,300,000 -37,900,000 -37,000,000 -36,300,000 -36,600,000 -35,200,000 -36,100,000 -34,300,000 -33,500,000 -32,800,000 -31,200,000 -29,900,000 -27,413,000 -25,239,000 -24,761,000 -23,687,000 -23,144,000 -22,934,000 -22,647,000 -22,297,000 -23,049,000 -23,665,000 -23,806,000 -22,649,000 -22,556,000 -23,377,000 -23,949,000 -23,743,000 -23,193,000 -22,686,000 -21,911,000 -21,153,000 57,302,000.8 -19,928,000 -18,905,000 -18,470,000 -17,846,000 -17,250,000 -17,294,000 -16,409,000 43,047,000.7 -14,235,000 -14,431,000 -14,381,000 -14,987,000 -13,744,000 -13,144,000 -12,134,000 -11,649,000 -11,375,000 -11,390,000 -11,071,000 -10,585,000 -10,340,000 -9,767,000 -9,992,000 -9,371,000 -8,731,000 -8,675,000 -8,501,000 -11,053,000 -8,080,000 -8,806,000 -7,788,000 -6,024,000 -8,912,000 -8,879,000 7,935,000 27,285,854,000 5,684,000 8,626,000 5,794,000 6,010,000 5,688,000 6,870,000 4,826,000 8,211,000 4,822,000 4,268,000 4,082,000  4,209,000 4,300,000        
      operating income
    132,700,000 123,200,000 122,700,000 -23,300,000 145,000,000 133,500,000 113,600,000 107,700,000 106,700,000 101,500,000 137,400,000 78,300,000 106,400,000 -144,100,000 148,900,000 154,800,000 154,400,000 159,716,000 125,407,000 165,427,000 87,850,000 105,837,000 96,433,000 53,544,000 -221,875,000 92,222,000 65,196,000 62,973,000 87,315,000 58,691,000 48,137,000 50,647,000 20,188,000 77,184,000 55,762,000 42,171,000 36,449,000 -150,276,997.6 50,927,000 57,045,000 42,305,000 69,744,000 62,923,000 43,130,000 41,496,000 -171,142,997.5 56,902,000 63,598,000 50,643,000 59,264,000 57,755,000 62,536,000 55,047,000 66,173,000 57,581,000 59,824,000 53,317,000 52,940,000 53,778,000 59,485,000 48,645,000 50,850,000 46,650,000 47,971,000 35,836,000 28,278,000 45,355,000 36,482,000 28,887,000 -796,906,000 8,820,000 59,834,000 55,257,000 296,353,688,000 80,168,000 75,363,000 64,381,000 73,950,000 74,512,000 58,587,000 59,706,000 64,696,000 67,824,000 67,279,000 51,134,000  51,794,000 63,953,000 49,814,000 45,235,000 58,492,000 59,365,000 43,819,000 50,399,000 68,044,000 
      yoy
    -8.48% -7.72% 8.01% -121.63% 35.90% 31.53% -17.32% 37.55% 0.28% -170.44% -7.72% -49.42% -31.09% -190.22% 18.73% -6.42% 75.75% 50.91% 30.05% 208.96% -139.59% 14.76% 47.91% -14.97% -354.11% 57.13% 35.44% 24.34% 332.51% -23.96% -13.67% 20.10% -44.61% -151.36% 9.49% -26.07% -13.84% -315.47% -19.06% 32.26% 1.95% -140.75% 10.58% -32.18% -18.06% -388.78% -1.48% 1.70% -8.00% -10.44% 0.30% 4.53% 3.24% 25.00% 7.07% 0.57% 9.60% 4.11% 15.28% 24.00% 35.74% 79.82% 2.86% 31.49% 24.06% -103.55% 414.23% -39.03% -47.72% -100.27% -89.00% -20.61% -14.17% 400648.73% 7.59% 28.63% 7.83% 14.30% 9.86% -12.92% 16.76%  30.95% 5.20% 2.65%  -11.45% 7.73% 13.68% -10.25% -14.04%     
      qoq
    7.71% 0.41% -626.61% -116.07% 8.61% 17.52% 5.48% 0.94% 5.12% -26.13% 75.48% -26.41% -173.84% -196.78% -3.81% 0.26% -3.33% 27.36% -24.19% 88.31% -17.00% 9.75% 80.10% -124.13% -340.59% 41.45% 3.53% -27.88% 48.77% 21.92% -4.96% 150.88% -73.84% 38.42% 32.23% 15.70% -124.25% -395.08% -10.72% 34.84% -39.34% 10.84% 45.89% 3.94% -124.25% -400.77% -10.53% 25.58% -14.55% 2.61% -7.65% 13.60% -16.81% 14.92% -3.75% 12.20% 0.71% -1.56% -9.59% 22.28% -4.34% 9.00% -2.75% 33.86% 26.73% -37.65% 24.32% 26.29% -103.62% -9135.22% -85.26% 8.28% -99.98% 369565.81% 6.38% 17.06% -12.94% -0.75% 27.18% -1.87% -7.71% -4.61% 0.81% 31.57%   -19.01% 28.38% 10.12% -22.66% -1.47% 35.48% -13.06% -25.93%  
      operating margin %
    3.60% 3.18% 3.09% -0.64% 3.97% 3.43% 3.25% 3.12% 3.15% 2.83% 3.77% 2.14% 3.05% -4.01% 4.32% 4.24% 4.30% 5.02% 4.08% 4.93% 3.15% 3.78% 3.78% 2.54% -9.61% 3.36% 2.41% 2.41% 3.65% 2.28% 1.95% 2.02% 0.84% 2.89% 2.23% 1.75% 1.59% 2.09% 1.99% 2.39% 1.89% 2.82% 2.52% 1.78% 1.86% 2.50% 2.42% 2.70% 2.37% 2.56% 2.58% 2.84% 2.64% 3.12% 2.68% 2.74% 2.68% 2.56% 2.70% 3.02% 2.64% 4.04% 2.64% 2.76% 2.30% 1.45% 2.98% 2.62% 2.44% -206.82% 0.49% 3.02% 2.91% 3.56% 3.67% 3.61% 3.29% 3.77% 3.60% 2.88% 3.25% 3.29% 3.25% 3.28% 2.80% NaN% 2.61% 3.41% 2.92% 3.31% 2.87% 3.06% 2.62% 3.05% 3.42% 
      other income:
                                                                                                   
      interest expense, floor plan
    -19,400,000 -22,500,000 -23,900,000 -18,300,000 -20,000,000 -21,500,000 -23,000,000 -22,200,000 -20,300,000 -18,300,000 -17,400,000 -17,000,000 -14,600,000 -13,700,000 -9,600,000 -6,100,000 -5,000,000 -3,919,000 -3,340,000 -4,329,000 -5,113,000 -5,407,000 -4,999,000 -6,314,000 -10,508,000 -11,137,000 -11,638,000 -12,518,000 -13,226,000 -13,583,000 -12,192,000 -11,945,000 -10,677,000 -9,982,000 -8,882,000 -9,144,000 -8,387,000 19,797,000.3 -6,672,000 -6,690,000 -6,436,000 -5,838,000 -5,364,000 -5,345,000 -4,778,000 13,941,000.2 -4,406,000 -4,846,000 -4,689,000 -5,687,000 -5,463,000 -5,591,000 -5,213,000 -5,353,000 -4,858,000 -5,053,000 -4,473,000 -4,873,000 -4,348,000 -4,983,000 -5,436,000 -5,885,000 -5,430,000 -5,507,000 -4,942,000 -6,047,000 -4,324,000 -5,156,000 -4,303,000 -3,796,000 -9,744,000 -11,502,000 -13,397,000 -67,688,928,000 17,271,000 -17,348,000 -16,291,000 -15,900,000 -15,523,000 -15,610,000 -12,125,000 -11,744,000 -9,651,000 -10,100,000 -9,028,000  -6,516,000 -6,561,000 -5,955,000 -3,937,000 -5,103,000 -5,925,000 -6,010,000 -6,769,000 -6,034,000 
      interest expense, other
    -28,300,000 -27,600,000 -27,500,000 -27,400,000 -27,600,000 -29,900,000 -29,800,000 -29,300,000 -29,000,000 -28,400,000 -29,000,000 -28,900,000 -28,400,000 -24,800,000 -22,900,000 -21,300,000 -20,800,000 -17,820,000 -9,817,000 -10,077,000 -10,285,000 -10,049,000 -10,762,000 -9,797,000 -10,965,000 -13,459,000 -13,013,000 -13,628,000 -12,853,000 -13,915,000 -13,313,000 -13,375,000 -13,456,000 -13,324,000 -13,028,000 -12,764,000 -13,409,000 37,560,000.5 -13,016,000 -12,205,000 -12,339,000 -12,275,000 -12,361,000 -13,054,000 -13,219,000 40,576,000.6 -12,893,000 -13,865,000 -13,818,000 -13,183,000 -13,553,000 -14,390,000 -14,359,000 -13,904,000 -15,709,000 -12,712,000 -15,080,000 -14,696,000 -15,116,000 -15,422,000 -15,447,000 -15,276,000 -15,226,000 -15,683,000 -17,189,000 -28,090,000 -19,305,000 -22,122,000 -14,810,000 -10,991,000 -16,661,000 -14,794,000 -11,863,000 -39,823,429,000 10,877,000 -8,912,000 -9,277,000 -9,370,000 -10,481,000 -11,022,000 -11,718,000 -12,003,000 -11,994,000 -11,321,000 -11,130,000  -9,628,000 -8,802,000 -8,335,000 -7,730,000 -10,455,000 -9,896,000 -9,692,000 -10,248,000 -10,611,000 
      other income
    100,000  -100,000 -100,000    -500,000 100,000 -200,000 200,000 100,000 200,000 100,000  -200,000 300,000 -15,600,000   101,000 -3,000 1,000  100,000 -6,679,000 -5,000 -5,000 100,000 -1,000  17,000 89,000 -32,000 4,000 7,000 -14,501,000 30,000 11,000 6,000 104,000 -3,000  10,000 90,000 -98,000.1 -1,000 3,000 97,000  29,000 -28,265,000 95,000 183,000 -17,275,000 -2,550,000 19,000   17,000 73,000 -78,000 -351,000 -7,235,000 62,000 -9,174,000 2,442,000 20,000 41,000 639,000 -10,000 26,000 70,000         5,500 -8,000 13,000 17,000  65,000 -33,000 27,000   10,000 85,000 1,834,000 1,289,000 
      total other income
    -47,600,000 -36,175,000 -51,500,000 -45,800,000 -47,600,000 -51,400,000 -52,800,000 -52,000,000 -49,200,000 -46,900,000 -46,200,000 -45,800,000 -42,800,000 -38,400,000 -32,500,000 -27,600,000 -25,500,000 -37,339,000 -13,157,000 -14,406,000 -15,297,000 -15,459,000 -15,760,000 -16,111,000 -21,373,000 -31,275,000 -24,656,000 -26,151,000 -25,979,000 -27,499,000 -25,505,000 -25,303,000 -24,044,000 -23,338,000 -21,906,000 -21,901,000 -36,297,000 -14,309,250 -19,677,000 -18,889,000 -18,671,000 -18,116,000 -17,725,000 -18,389,000 -17,907,000 -13,604,750 -17,300,000 -18,708,000 -18,410,000 -18,870,000 -18,987,000 -48,246,000 -19,477,000 -19,074,000 -37,842,000 -21,645,000 -21,142,000                 -107,439,263,000 28,149,000 -26,174,000 -25,562,000 -25,220,000 -25,985,000 -26,633,000 -24,509,000               
      income before taxes
    85,100,000 73,200,000 71,200,000 -69,100,000 97,400,000 82,100,000 60,800,000 55,700,000 57,500,000 54,600,000 91,200,000 32,500,000 63,600,000                                                                                   
      provision for income taxes - benefit
    -24,300,000 -6,950,000 -24,400,000 23,500,000 -26,800,000 -23,500,000 13,400,000 -14,500,000 -15,500,000 -15,900,000 -22,800,000 -9,100,000 -15,900,000                                -9,200,000 -11,280,500 -15,045,000  -12,249,000 -8,377,500 -14,066,000 -5,573,000 -13,873,000 -8,149,000 -7,899,000 -10,646,000 -12,709,000                                       
      net income
    60,800,000 46,900,000 46,800,000 -45,600,000 70,600,000 58,600,000 74,200,000 41,200,000 42,000,000 38,700,000 68,400,000 23,400,000 47,700,000 -190,900,000 87,300,000 94,800,000 97,300,000 96,348,000 84,485,000 113,845,000 54,222,000 57,339,000 59,818,000 30,791,000 -199,333,000 46,306,000 29,010,000 26,599,000 42,221,000 21,820,000 15,118,000 16,905,000 -2,194,000 61,952,000 19,440,000 12,132,000 -541,000 13,889,250 18,111,000 22,822,000 14,624,000 31,058,000 26,505,000 14,781,000 13,967,000 17,772,750 24,712,000 26,993,000 19,386,000 28,083,000 23,327,000 8,916,000 21,291,000 30,382,000 10,042,000 28,179,000 20,498,000 20,538,000 19,401,000 21,351,000 14,964,000 64,325,000 12,985,000 8,436,000 4,154,000 14,250,000 15,594,000 26,000 1,678,000 -685,597,000 -25,349,000 10,811,000 14,208,000 95,429,534,000 26,107,000 26,368,000 19,991,000 23,239,000 28,608,000 12,188,000 17,082,000 20,941,000 26,804,000 27,004,000 17,112,000  19,281,000 29,992,000 22,185,000 13,817,000 17,541,000 28,516,000 11,685,000 21,406,000 31,590,000 
      yoy
    -13.88% -19.97% -36.93% -210.68% 68.10% 51.42% 8.48% 76.07% -11.95% -120.27% -21.65% -75.32% -50.98% -298.14% 3.33% -16.73% 79.45% 68.03% 41.24% 269.73% -127.20% 23.83% 106.20% 15.76% -572.12% 112.22% 91.89% 57.34% -2024.38% -64.78% -22.23% 39.34% 305.55% 346.04% 7.34% -46.84% -103.70% -55.28% -31.67% 54.40% 4.70% 74.75% 7.26% -45.24% -27.95% -36.71% 5.94% 202.75% -8.95% -7.57% 132.29% -68.36% 3.87% 47.93% -48.24% 31.98% 36.98% -68.07% 49.41% 153.09% 260.23% 351.40% -16.73% 32346.15% 147.56% -102.08% -161.52% -99.76% -88.19% -100.72% -197.10% -59.00% -28.93% 410543.89% -8.74% 116.34% 17.03% 10.97% 6.73% -54.87% -0.18%  39.02% -9.96% -22.87%  9.92% 5.18% 89.86% -35.45% -44.47%     
      qoq
    29.64% 0.21% -202.63% -164.59% 20.48% -21.02% 80.10% -1.90% 8.53% -43.42% 192.31% -50.94% -124.99% -318.67% -7.91% -2.57% 0.99% 14.04% -25.79% 109.96% -5.44% -4.14% 94.27% -115.45% -530.47% 59.62% 9.06% -37.00% 93.50% 44.33% -10.57% -870.51% -103.54% 218.68% 60.24% -2342.51% -103.90% -23.31% -20.64% 56.06% -52.91% 17.18% 79.32% 5.83% -21.41% -28.08% -8.45% 39.24% -30.97% 20.39% 161.63% -58.12% -29.92% 202.55% -64.36% 37.47% -0.19% 5.86% -9.13% 42.68% -76.74% 395.38% 53.92% 103.08% -70.85% -8.62% 59876.92% -98.45% -100.24% 2604.63% -334.47% -23.91% -99.99% 365432.36% -0.99% 31.90% -13.98% -18.77% 134.72% -28.65% -18.43% -21.87% -0.74% 57.81%   -35.71% 35.19% 60.56% -21.23% -38.49% 144.04% -45.41% -32.24%  
      net income margin %
    1.65% 1.21% 1.18% -1.25% 1.93% 1.50% 2.13% 1.19% 1.24% 1.08% 1.88% 0.64% 1.37% -5.32% 2.53% 2.60% 2.71% 3.03% 2.75% 3.40% 1.95% 2.05% 2.35% 1.46% -8.64% 1.68% 1.07% 1.02% 1.77% 0.85% 0.61% 0.67% -0.09% 2.32% 0.78% 0.50% -0.02% -0.19% 0.71% 0.96% 0.65% 1.26% 1.06% 0.61% 0.62% -0.26% 1.05% 1.15% 0.91% 1.21% 1.04% 0.40% 1.02% 1.43% 0.47% 1.29% 1.03% 0.99% 0.97% 1.08% 0.81% 5.11% 0.73% 0.49% 0.27% 0.73% 1.03% 0.00% 0.14% -177.93% -1.42% 0.55% 0.75% 1.15% 1.19% 1.26% 1.02% 1.19% 1.38% 0.60% 0.93% 1.07% 1.28% 1.32% 0.94% NaN% 0.97% 1.60% 1.30% 1.01% 0.86% 1.47% 0.70% 1.29% 1.59% 
      basic earnings per common share:
                                                                                                   
      earnings per common share
    1,810,000 1,380,000 1,370,000 -1,340,000 2,090,000 1,710,000 2,180,000 1,210,000 1,240,000 1,150,000 1,960,000 660,000 1,330,000 -4.8 2.28 2.4 2.41 2.35 2.03 2.74 1.31 1.34 1.41 0.72 -4.68 1.08 0.67 0.62 0.98 0.51 0.35 0.4 -0.05 1.41 0.45 0.27 -0.01 0.303 0.4 0.5 0.31 0.62 0.53 0.29 0.27 0.338 0.47 0.51 0.37 0.53 0.44 0.17 0.4 0.56 0.18 0.53 0.39 0.39 0.37 0.4 0.28                                   
      weighted-average common shares outstanding
    33,600,000 34,000,000 34,200,000 34,100,000 33,900,000 34,100,000 34,000,000 34,000,000 34,000,000 35,000,000 34,900,000 35,300,000 35,900,000 38.7 38.3 39.5 40.4 41,404 41,561 41,581 41,541 42,483 42,510 42,940 42,615 43,016 43,078 43,066 42,838 42,708 42,673 42,662 42,789 43,997 43,496 44,570 44,791  45,118 45,731 46,950 50,489 50,456 50,784 50,854  52,070 52,514 52,418 52,556 52,553 52,597 52,586 53,550 55,069 52,593 52,224 52,358 52,366 52,461 52,416  52,311 52,249 51,889 43,836 42,305 40,968 40,099 40,356 40,138 40,432 40,774 42,479 42,539 42,902 42,871 42,336 42,292 42,414 42,161 41,817 41,849 41,731 41,748 41,375 41,349 41,440 41,193 40,920 40,926 40,718 40,931 41,728 42,163 
      diluted earnings per common share:
                                                                                                   
      cost of sales:
                                                                                                   
      income from continuing operations before taxes
                 -182,500,000 116,400,000 127,200,000 128,900,000 122,377,000 112,250,000 151,021,000 72,553,000 90,378,000 80,673,000 37,433,000 -243,248,000 60,947,000 40,540,000 36,822,000 61,336,000 31,192,000 22,632,000 25,344,000 -3,856,000 53,846,000 33,856,000 20,270,000 152,000 -93,039,998.4 31,250,000 38,156,000 23,634,000 51,628,000 45,198,000 24,741,000 23,589,000 -116,723,998.2 39,602,000 44,890,000 32,233,000 40,394,000 38,768,000 14,290,000 35,570,000 47,099,000 19,739,000 38,179,000 32,175,000 31,359,000 31,433,000 36,918,000 26,319,000 28,388,000 22,391,000 15,581,000 10,407,000 -22,043,000 31,986,000 5,581,000 7,249,000 -811,054,000 -17,595,000 33,564,000 30,067,000 189,072,951,000 52,019,000 49,189,000 38,819,000                 35,216,000 52,688,000 
      provision for income taxes for continuing operations - benefit
                 -8,400,000 -29,100,000 -32,400,000 -31,600,000 -25,848,000 -27,559,000 -37,030,000 -18,864,000 -32,895,000 -20,685,000 -6,437,000 44,117,000 -14,678,000 -11,372,000 -10,071,000 -18,987,000 -9,211,000 -7,331,000 -8,222,000    -7,956,000    -15,113,000  -20,121,000 -18,095,000 -9,649,000                                                    
      income from continuing operations
                 -190,900,000 87,300,000 94,800,000 97,300,000 96,529,000 84,691,000 113,991,000 53,689,000 57,483,000 59,988,000 30,996,000 -199,131,000 46,269,000 29,168,000 26,751,000 42,349,000 21,981,000 15,301,000 17,122,000 -2,014,000 62,129,000 19,730,000 12,314,000 -20,000 -56,474,999 18,969,000 23,043,000 14,464,000 31,507,000 27,103,000 15,092,000 14,389,000 -71,601,998.9 24,557,000 27,061,000 19,984,000 29,561,000 24,702,000 8,717,000 21,697,000 29,723,000 11,840,000 27,533,000 19,466,000 20,372,000 19,333,000 22,151,000 15,791,000 65,793,000 13,949,000 9,281,000 5,932,000 30,301,000 18,480,000 3,069,000 3,987,000 -660,950,000 -11,381,000 20,133,000 18,040,000 114,750,570,000 31,756,000 29,979,000 23,679,000 28,581,000 29,107,000 18,574,000 21,823,000 19,157,750 28,488,000 28,669,000 19,371,000  22,306,000 30,933,000   18,532,000 27,814,000    
      discontinued operations:
                                                                                                   
      income from discontinued operations before taxes
                     60,250 -275,000 -204,000 720,000 -194,000 -234,000 -289,000 -285,000 62,000 -223,000 -213,000 -180,000 -220,000 -252,000 -297,000 -248,000 -292,000 -481,000 -301,000 -868,000 -378,250 -1,413,000 -362,000 261,000 -683,000 -999,000 -509,000                                                    
      provision for income taxes for discontinued operations - benefit
                     -15,000 69,000 58,000 -187,000 50,000 64,000 84,000 83,000 -25,000 65,000 61,000 52,000 59,000 69,000 80,000    119,000    141,000  234,000 401,000 198,000                                                    
      income from discontinued operations
                     45,250 -206,000 -146,000 533,000 -144,000 -170,000 -205,000 -202,000 37,000 -158,000 -152,000 -128,000 -161,000 -183,000 -217,000 -180,000 -177,000 -290,000 -182,000 -521,000 -229,500 -858,000 -221,000 160,000 -449,000 -598,000 -311,000 -422,000 -127,750 155,000 -68,000 -598,000 -1,478,000 -1,375,000 199,000 -406,000 659,000 -1,798,000 646,000 1,032,000 166,000 68,000               -19,321,036,000 -5,649,000 -3,611,000 -3,688,000 -5,342,000 -499,000 -6,386,000 -4,741,000           702,000    
      earnings per share from continuing operations
                 -4.8 2.28 2.4 2.41 2.36 2.04 2.74 1.29 1.34 1.41 0.72 -4.67 1.08 0.68 0.62 0.99 0.52 0.36 0.4 -0.05 1.42 0.45 0.28  0.308 0.42 0.5 0.31 0.62 0.54 0.3 0.28 0.34 0.47 0.51 0.38 0.56 0.47 0.16 0.41 0.54 0.21 0.52 0.37 0.38 0.36 0.42 0.3 1.25 0.26 0.18 0.11 0.84 0.22 0.07 0.1 -16.37 -0.28 0.5 0.44 0.7 0.75 0.7 0.55 0.68 0.69 0.44 0.52 0.6 0.68 0.69 0.46           
      earnings per share from discontinued operations
                     0.003 -0.01  0.02    -0.01  -0.01  -0.01 -0.01 -0.01   -0.01 -0.01 -0.01 -0.01 -0.005 -0.02    -0.01 -0.01 -0.01 -0.003   -0.01 -0.03 -0.03 0.01 -0.01 0.02 -0.03 0.01 0.02 0.01 0.01                                     
      new vehicles
                     1,351,867,000 1,146,922,000 1,462,893,000 1,156,317,000 1,323,429,000 1,098,302,000 900,003,000 959,489,000 1,360,065,000 1,258,018,000 1,204,754,000 1,066,334,000 1,319,587,000 1,235,094,000 1,238,571,000 1,180,846,000 1,485,749,000 1,362,301,000 1,275,069,000 1,171,932,000 -3,826,177,946.2 1,375,144,000 1,286,464,000 1,164,570,000 1,399,762,000 1,368,029,000 1,295,288,000 1,202,323,000 -3,773,233,944.3 1,327,837,000 1,298,777,000 1,146,620,000 1,337,699,000 1,261,270,000 1,247,161,000 1,143,056,000 1,263,462,000 1,209,366,000 1,221,297,000 1,064,453,000 1,185,672,000 1,058,580,000 1,035,272,000 980,745,000 652,997,000 937,709,000 902,452,000 784,242,000 1,090,440,000 825,367,000 706,171,000 590,266,000 138,156,000 1,042,383,000 1,169,979,000 1,092,866,000 5,052,708,280,000 1,342,203,000 1,273,184,000 1,164,522,000 1,226,929,000 1,282,349,000 1,249,362,000 1,092,695,000 1,200,387,000 1,288,084,000 1,269,568,000 1,079,383,000  1,209,668,000 1,144,243,000 1,008,352,000 850,316,000 1,275,077,000 1,208,471,000 1,004,153,000 1,006,960,000 1,219,861,000 
      dividends declared per common share
                                 0.045 0.06 0.06 0.06 0.05 0.05 0.05 0.05 0.038 0.05 0.05 0.05 0.035 0.025 0.025 0.025   0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025         0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12  0.12 0.1 0.1       
      benefit from income taxes for continuing operations - benefit
                                    1,842,000 -5,563,500 -14,126,000  -172,000 -9,141,250 -12,281,000  -9,170,000                                                       
      benefit from income taxes for discontinued operations - benefit
                                    68,000 164,250 191,000  347,000 148,750 555,000  -101,000                                                       
      income from operations and the sale of dealerships
                                                -691,000 -209,500 254,000 -127,000 -965,000 -1,583,000 -2,057,000 361,000 -738,000 -655,000 -2,839,000 1,345,000 1,706,000                                       
      income tax benefit
                                                269,000 81,750 -99,000 59,000 367,000 105,000 682,000 -162,000 332,000 1,314,000 1,041,000 -699,000 -674,000 635,000 -36,000 429,000 446,000 15,883,000 -331,000 170,000 1,090,000 17,979,000 962,000 1,125,000 769,000 23,410,000 6,214,000 3,997,000 1,641,000 7,245,444,000 2,421,000 1,548,000 1,581,000 1,214,000 307,000 3,913,000 2,739,000 39,000 1,054,000 998,000 1,356,000  1,811,000 560,000 180,000 3,159,000 650,000  415,000 676,000 360,000 
      benefit from income taxes—benefit
                                                   -17,829,000                                                
      interest expense, non-cash, convertible debt
                                                           -1,413,000 -1,630,000 -1,573,000 -1,742,000 -1,715,000 -1,694,000 -1,293,750 -1,768,000 -1,730,000 -1,677,000                               
      interest income (expense / amortization), non-cash, cash flow swaps
                                                           83,000 22,000                                       
      other expense:
                                                                                                   
      interest expense / amortization, non-cash, cash flow swaps
                                                             -161,000 -313,000 -464,000 178,000                                   
      other expense
                                                             -184,000 -826,000                                     
      total other expense
                                                             -16,809,500 -22,345,000 -22,567,000 -22,326,000 -22,462,000 -24,259,000 -32,390,000 -25,429,000 -50,321,000 -13,369,000 -30,901,000 -21,638,000 -19,454,750 -26,415,000 -26,270,000 -25,190,000         -15,722,000 -21,653,000 -21,408,000 -20,141,000  -16,079,000 -15,396,000 -14,263,000 -11,650,000 -29,494,000 -15,811,000 -15,617,000 -15,183,000 -15,356,000 
      provision for income taxes
                                                             -9,348,750 -12,100,000 -14,767,000 -10,528,000           -13,431,000 12,027,000         11,642,250 17,683,000 17,202,000 11,622,000  13,409,000 17,624,000 13,171,000 82,700,000 -10,466,000 -15,740,000 -10,405,000 120,546,000 -20,455,000 
      income from operations and the sale of discontinued franchises
                                                             -599,750 104,000               -26,566,480,000 -8,070,000 -5,159,000 -5,269,000 -6,556,000 -806,000 -10,299,000 -7,480,000               
      loss per share from discontinued operations
                                                             -0.008  -0.02 -0.02 -0.03 -0.01 -0.02 -0.03 -0.36 -0.06 -0.07 -0.06 -0.168 -0.35 -0.23 -0.09 -0.14 -0.14 -0.09 -0.08 -0.13 -0.01 -0.15 -0.11 -0.1 -0.04 -0.04 -0.05  -0.07 -0.03  -0.24 -0.02  -0.01   
      loss from operations and the sale of discontinued franchises
                                                               -1,229,000 -1,273,000 -1,537,250 -633,000 -1,015,000 -2,868,000 -34,030,000 -3,848,000 -4,168,000 -3,078,000 -9,697,500 -19,954,000 -13,319,000 -5,473,000         -2,295,250 -2,738,000 -2,663,000 -3,615,000  -4,836,000 -1,501,000 -375,000       
      loss from discontinued operations
                                                               -800,000 -827,000 -1,468,000 -964,000 -845,000 -1,778,000 -16,051,000 -2,886,000 -3,043,000 -2,309,000 -6,788,250 -13,968,000 -9,322,000 -3,832,000         -1,427,750 -1,684,000 -1,665,000 -2,259,000  -3,025,000 -941,000 -195,000 -10,048,000 -991,000  -493,000   
      interest expense, non-cash, cash flow swaps
                                                                 -1,350,500 -1,484,000 -2,235,000 -1,683,000                               
      income tax provision
                                                                 -4,976,250 -8,442,000 -6,300,000 -4,475,000 -4,773,250 -13,506,000 -2,512,000 -3,262,000                           
      basic earnings per share:
                                                                                                   
      earnings per share
                                                                 0.12 0.25 0.16 0.08 0.065 0.17  0.04 -16.99 -0.63 0.27 0.35 0.56 0.61 0.61 0.47 0.55 0.68 0.29 0.41 0.5 0.64 0.65 0.41           
      diluted earnings per share:
                                                                                                   
      non-cash interest expense, convertible debt
                                                                     389,000 7,818,000 -3,643,000                            
      earning (loss) per share from continuing operations
                                                                     0.153 0.43                             
      earning (loss) per share
                                                                     0.105 0.37                             
      interest expense, fsp apb 14-1
                                                                        -2,566,000                           
      other income /
                                                                                                   
      other income / (income)
                                                                             23,500 -1,000                     
      benefit from income taxes
                                                                             74,322,381,000 20,263,000 19,210,000 15,140,000 20,149,000 19,420,000 13,380,000 13,374,000               
      cost of sales
                                                                               1,765,117,000 1,643,945,000 1,654,548,000 1,750,695,000 1,725,746,000 1,544,699,000 1,656,114,000 1,772,179,000 1,743,143,000 1,538,135,000  1,686,851,000 1,586,948,000 1,436,180,000 1,158,611,000 1,735,732,000 1,648,889,000 1,407,986,000 1,395,720,000 1,689,634,000 
      other income / (expense)
                                                                               86,000 6,000 50,000 19,000 -1,000 -666,000               
      income from continuing operations before income taxes
                                                                                 29,156,750 48,527,000 31,954,000 35,197,000 30,800,000 46,171,000 45,871,000 30,993,000  35,715,000 48,557,000   28,998,000 43,554,000    
      basic net income per share:
                                                                                                   
      income per share from continuing operations
                                                                                          0.54 0.75 0.54 0.58 0.45 0.68 0.43   
      net income per share
                                                                                          0.47 0.72 0.54 0.353 0.43 0.7 0.28 0.53 0.76 
      diluted net income per share:
                                                                                                   
      depreciation
                                                                                            3,720,000 3,173,000 3,209,000 2,753,000 2,435,000 1,924,000 2,494,000 
      income from continuing operations before taxes and cummulative effect of change in accounting principle
                                                                                            35,551,000    28,202,000   
      income from continuing operations before cummulative effect of change in accounting principle
                                                                                            22,380,000 15,992,500   17,797,000   
      income before cumulative effect of change in accounting principle
                                                                                            22,185,000 13,817,000   17,304,000   
      cumulative effect of change in accounting principle, net of tax benefit of 3,325
                                                                                                -5,619,000   
      income per share before cumulative effect of change in accounting principle
                                                                                            0.54 0.34   0.42   
      cumulative effect of change in accounting principle
                                                                                                -0.14   
      finance & insurance and other
                                                                                             40,238,000 56,778,000 54,920,000 48,571,000 45,065,000 58,306,000 
      other
                                                                                             -3,464,250 -13,936,000     
      loss from operations of discontinued dealerships
                                                                                             -254,000 -1,641,000  -908,000 -505,250 -1,003,000 
      income from operations of discontinued dealerships
                                                                                               1,239,000    
      income tax expense
                                                                                               -537,000    
      income per share from discontinued operations
                                                                                               0.02    
      goodwill amortization
                                                                                                   
      net income from continuing operations
                                                                                                 22,120,000 32,233,000 
      net loss from discontinued operations
                                                                                                 -307,750 -643,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-04-30 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 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 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 2005-12-31 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 
                                                                                                     
        assets
                                                                                                     
        current assets:
                                                                                                     
        cash and cash equivalents
      5,700,000 6,300,000 89,400,000 110,400,000 64,600,000 44,000,000 17,600,000 67,200,000 15,100,000 28,900,000 34,600,000 119,700,000 160,200,000 229,200,000 139,000,000 327,100,000 360,200,000 299,400,000 220,082,000 239,617,000 77,233,000 170,313,000 125,739,000 115,724,000 181,780,000 29,103,000 2,401,000 2,140,000 2,722,000 5,854,000 7,582,000 8,154,000 9,163,000 6,352,000 13,379,000 4,380,000 6,565,000 3,108,000 2,941,000 2,419,000 2,390,000 3,625,000 2,493,000 3,552,000 3,958,000 4,182,000,000 1,664,000 2,999,000 2,139,000 3,016,000 8,993,000 3,190,000 4,247,000 3,371,000 62,477,000 5,908,000 2,360,000 1,913,000 28,007,000 11,013,000 8,355,000 21,842,000 10,623,000 20,122,000 214,063,000 30,035,000 614,000 5,163,000 614,000 6,971,000,000 7,340,000 11,381,000 5,112,000 16,514,000,000 15,687,000 12,157,000 14,001,000 12,696,000    7,566,000             4,150,000 
        receivables
      415,400,000 469,000,000 446,500,000 397,900,000 514,700,000 495,900,000 436,600,000 441,200,000 420,600,000 528,100,000 431,500,000 400,600,000 374,800,000 462,400,000 360,600,000 345,900,000 351,500,000 401,100,000 278,008,000 356,850,000 373,518,000 371,666,000 286,938,000 322,703,000 200,876,000 432,742,000 365,005,000 364,026,000 371,768,000 438,186,000 350,912,000 347,847,000 367,895,000 482,126,000 410,945,000 289,820,000 297,266,000 430,242,000 299,254,000 313,572,000 278,099,000 378,520,000 299,530,000 308,853,000 315,106,000 371,994,000,000 270,386,000 293,443,000 303,799,000 354,138,000 271,874,000 295,523,000 280,920,000 345,294,000 240,664,000 264,108,000 255,001,000 303,279,000 200,011,000 198,936,000 215,546,000 239,634,000 166,546,000 193,842,000 211,594,000 232,969,000 163,161,000 185,473,000 205,957,000 247,025,000,000 214,625,000 279,740,000 305,624,000 347,309,000,000 326,444,000 318,827,000 334,097,000 385,849,000 323,212,000 340,437,000 347,245,000 396,225,000 299,992,000 371,640,000 330,764,000 357,403,000 330,512,000 350,922,000 310,613,000 306,498,000 306,655,000 295,890,000 268,426,000  252,064,000 
        inventories
      2,123,600,000 2,012,900,000 2,055,600,000 2,119,800,000 1,876,700,000 1,957,700,000 1,918,800,000 1,952,300,000 1,700,500,000 1,578,300,000 1,433,900,000 1,448,800,000 1,462,600,000 1,216,800,000 1,197,100,000 1,240,400,000 1,198,100,000 1,261,200,000 850,469,000 1,016,566,000 1,232,253,000 1,247,254,000 1,137,852,000 1,176,506,000 1,608,218,000 1,517,875,000 1,528,667,000 1,521,567,000 1,530,201,000 1,528,461,000 1,474,832,000 1,527,661,000 1,550,521,000 1,512,745,000 1,390,053,000 1,622,338,000 1,600,602,000 1,570,701,000 1,511,336,000 1,590,216,000 1,593,732,000 1,599,581,000 1,422,433,000 1,441,148,000 1,280,027,000 1,311,702,000,000 1,203,394,000 1,302,059,000 1,269,996,000 1,282,138,000 1,228,651,000 1,249,817,000 1,142,023,000 1,177,966,000 1,033,290,000 1,033,044,000 986,095,000 863,133,000 815,567,000 861,655,000 931,236,000 903,221,000 863,917,000 868,686,000 830,255,000 795,275,000 657,475,000 790,101,000 802,830,000 916,837,000,000 1,030,704,000 1,156,208,000 1,182,086,000 1,093,017,000,000 1,048,059,000 1,109,214,000 1,069,693,000 991,984,000 921,299,000 1,051,815,000 1,023,119,000 1,016,457,000 894,701,000 1,037,821,000 1,061,865,000 1,095,057,000 1,015,026,000 1,160,487,000 1,096,550,000 1,046,909,000 872,366,000 939,826,000 918,207,000  811,288,000 
        other current assets
      419,600,000 344,300,000 216,200,000 149,300,000 411,700,000 387,900,000 438,400,000 455,500,000 374,800,000 385,100,000 341,500,000 328,200,000 304,200,000 297,900,000 60,300,000 157,500,000 150,800,000 122,400,000 123,404,000 106,341,000 97,680,000 93,334,000 101,601,000 124,170,000 138,912,000 37,890,000 126,388,000 133,445,000 118,578,000 20,886,000 30,649,000 26,033,000 30,961,000 18,574,000 18,399,000 43,622,000 41,902,000 26,993,000 37,603,000 54,681,000 57,237,000 101,386,000 99,459,000 81,755,000 83,973,000 81,081,000,000 137,271,000 125,747,000 112,782,000 92,893,000 65,454,000 81,914,000 47,396,000 84,402,000 18,763,000 20,601,000 19,880,000 12,404,000 23,725,000 29,307,000 31,742,000 23,633,000 15,582,000 16,171,000 18,492,000 14,937,000 16,900,000 22,037,000 23,523,000 16,822,000,000 34,836,000 36,477,000 39,089,000 29,458,000,000 31,780,000 31,474,000 41,825,000 35,834,000 27,170,000 28,293,000 31,231,000 27,484,000 116,970,000 113,263,000 112,104,000 23,992,000 19,540,000 50,034,000 35,949,000 29,718,000 16,391,000 17,917,000 100,586,000  104,110,000 
        total current assets
      2,964,300,000 2,832,500,000 2,807,700,000 2,777,400,000 2,867,700,000 2,885,500,000 2,811,400,000 2,916,200,000 2,511,000,000 2,520,400,000 2,241,500,000 2,297,300,000 2,301,800,000 2,206,300,000 1,757,000,000 2,070,900,000 2,060,600,000 2,084,100,000 1,471,963,000 1,719,374,000 1,780,684,000 1,882,567,000 1,652,130,000 1,739,103,000 2,129,786,000 2,017,610,000 2,022,461,000 2,021,178,000 2,023,269,000 1,993,387,000 1,863,975,000 1,909,695,000 1,958,540,000 2,019,797,000 1,832,776,000 1,960,160,000 1,946,335,000 2,031,044,000 1,857,481,000 1,967,235,000 1,931,458,000 2,083,112,000 1,823,915,000 1,835,308,000 1,683,064,000 1,768,959,000,000 1,627,526,000 1,752,599,000 1,688,716,000 1,732,185,000 1,574,972,000 1,630,444,000 1,474,586,000 1,611,033,000 1,355,194,000 1,323,661,000 1,263,336,000 1,180,729,000 1,067,310,000 1,100,911,000 1,186,879,000 1,190,350,000 1,070,216,000 1,104,598,000 1,286,076,000 1,085,383,000 1,121,191,000 1,206,351,000 1,398,376,000 1,594,231,000,000 1,398,320,000 1,598,069,000 1,665,967,000 1,580,061,000,000 1,536,645,000 1,652,724,000 1,644,250,000 1,613,132,000 1,488,090,000 1,728,745,000 1,740,505,000 1,616,700,000 1,409,617,000 1,647,158,000 1,607,107,000 1,591,543,000 1,449,008,000 1,646,227,000 1,566,528,000 1,554,197,000 1,267,222,000 1,354,962,000 1,303,787,000  1,171,612,000 
        property and equipment
      1,545,800,000 1,562,900,000 1,588,400,000 1,618,200,000 1,615,100,000 1,606,900,000 1,602,900,000 1,593,100,000 1,598,800,000 1,601,000,000 1,599,200,000 1,559,400,000 1,591,900,000 1,561,700,000 1,555,700,000 1,491,600,000 1,488,600,000 1,458,800,000 1,232,236,000 1,177,928,000 1,166,925,000 1,120,526,000 1,110,609,000 1,112,873,000 1,092,385,000 1,097,247,000 1,136,213,000 1,130,942,000 1,137,573,000 1,178,489,000 1,207,263,000 1,162,786,000 1,178,943,000 1,146,881,000 1,120,811,000 1,087,369,000 1,062,716,000 1,010,380,000 978,008,000 951,838,000 908,176,000 886,902,000 859,855,000 829,698,000 823,139,000 799,319,000,000 742,081,000 712,654,000 701,141,000 702,011,000 700,973,000 659,920,000 641,797,000 595,124,000 567,929,000 561,374,000 554,081,000 552,037,000 542,360,000 529,567,000 515,657,000 436,260,000 392,173,000 386,289,000 382,375,000 382,085,000 378,170,000 379,033,000 382,129,000 369,892,000,000 381,950,000 396,841,000 365,653,000 286,591,000,000 280,017,000 270,036,000 230,639,000 220,551,000 217,224,000 174,487,000 137,900,000 148,267,000 143,066,000 140,438,000 139,344,000 134,490,000 160,781,000 147,770,000 133,003,000 125,356,000 155,302,000 119,150,000 113,156,000  100,499,000 
        goodwill
      418,800,000 421,800,000 623,300,000 573,700,000 358,200,000 358,500,000 347,100,000 253,700,000 253,800,000 253,800,000 243,600,000 242,500,000 244,400,000 231,000,000 436,500,000 423,500,000 423,500,000 416,400,000 237,575,000 223,398,000 219,195,000 213,977,000 207,297,000 207,791,000 207,791,000 475,791,000 487,306,000 487,306,000 487,306,000 509,592,000 510,160,000 510,160,000 525,142,000 525,780,000 526,918,000 471,493,000 472,393,000 472,437,000 473,161,000 471,493,000 471,493,000 471,493,000 472,613,000 473,713,000 476,159,000 475,929,000,000 474,088,000 469,949,000 477,034,000 476,315,000 478,951,000 454,224,000 454,224,000 454,224,000 458,969,000 464,136,000 464,488,000 468,465,000 468,465,000 468,465,000 468,465,000 468,516,000 468,516,000 469,993,000 470,151,000 469,482,000 403,048,000 402,999,000 327,007,000 327,007,000,000 1,254,403,000 1,250,363,000 1,248,854,000 1,276,074,000,000 1,274,443,000 1,247,721,000 1,162,562,000 1,155,428,000 1,154,653,000 1,153,168,000 1,143,844,000 1,122,538,000 1,095,444,000 1,094,166,000 1,065,003,000 1,056,924,000 1,051,782,000 970,394,000 932,801,000 909,091,000 906,777,000 892,055,000 883,501,000   
        other intangible assets
      436,900,000 454,100,000 252,100,000 255,600,000 429,600,000 430,300,000 417,400,000 417,400,000 417,400,000 417,400,000 417,400,000 417,400,000 419,300,000 396,700,000 513,400,000 486,600,000 486,600,000 480,200,000 77,500,000 68,200,000 64,300,000 64,300,000 64,300,000 64,300,000 64,300,000 64,300,000 64,300,000 64,300,000 64,300,000 69,705,000 71,957,000 72,109,000 74,361,000 74,589,000 78,350,000 79,911,000 80,072,000 80,233,000 80,394,000 80,555,000 80,715,000 80,876,000 81,937,000 80,998,000 83,559,000 83,720,000,000 82,449,000 81,654,000 86,678,000 87,866,000 89,355,000 69,744,000 70,133,000 70,521,000 73,710,000 75,499,000 75,888,000 76,276,000 77,907,000 78,321,000 78,735,000 79,149,000 79,563,000 79,978,000 80,392,000 80,806,000 79,685,000 80,100,000 81,914,000 82,328,000,000 95,974,000 108,684,000 111,306,000 111,342,000,000 112,279,000 102,299,000 97,770,000 94,136,000 95,791,000 80,200,000 78,379,000 88,696,000 89,266,000 89,336,000 87,206,000 84,777,000 90,847,000 87,817,000 77,087,000 75,230,000 77,040,000 69,100,000 65,400,000   
        operating right-of-use lease assets
      268,900,000 279,100,000 284,600,000 255,100,000 220,000,000 224,300,000 205,200,000 200,900,000 207,100,000 222,600,000 189,200,000 203,600,000 236,800,000 260,700,000 267,100,000 276,500,000 293,600,000 293,200,000 313,425,000 313,941,000 320,914,000 330,322,000 337,774,000 341,410,000 344,148,000 337,842,000 328,850,000 333,525,000                                                                    
        finance right-of-use lease assets
      360,700,000 328,400,000 321,400,000 327,100,000 311,400,000 317,200,000 293,900,000 300,500,000 306,500,000 236,600,000 258,400,000 261,700,000 255,100,000 224,100,000 231,400,000 211,400,000 193,700,000 179,900,000 84,267,000 70,486,000 65,216,000 60,121,000 39,463,000 38,513,000 50,698,000 34,691,000 35,322,000 38,928,000                                                                    
        other assets
      122,200,000 91,900,000 138,900,000 123,300,000 73,700,000 73,000,000 80,300,000 122,400,000 113,000,000 112,800,000 101,000,000 99,700,000 98,700,000 97,800,000 67,200,000 63,000,000 59,600,000 62,500,000 88,997,000 83,018,000 74,993,000 74,180,000 92,344,000 91,435,000 87,636,000 43,554,000 43,440,000 43,148,000 43,663,000 45,634,000 50,576,000 50,064,000 51,509,000 51,471,000 55,714,000 46,223,000 46,119,000 45,242,000 40,147,000 40,104,000 39,529,000 39,998,000 54,088,000 55,778,000 56,334,000 55,208,000,000 57,769,000 53,704,000 51,880,000 52,793,000 51,681,000 57,148,000 47,224,000 45,820,000 47,559,000 45,329,000 57,785,000 62,122,000 82,156,000 77,225,000 74,813,000 76,489,000 61,633,000 59,944,000 59,510,000 51,099,000 22,674,000 31,462,000 22,195,000 37,243,000,000 21,705,000 28,565,000 32,336,000 28,676,000,000 26,747,000 36,312,000 44,774,000 41,517,000 40,006,000 58,380,000 57,090,000 49,300,000 43,555,000 39,206,000 35,981,000 33,877,000 32,025,000 29,567,000 31,227,000 22,355,000 18,861,000 18,156,000 16,030,000  14,711,000 
        total assets
      6,117,600,000 5,970,700,000 6,016,400,000 5,930,400,000 5,875,700,000 5,895,700,000 5,758,200,000 5,804,200,000 5,407,600,000 5,364,600,000 5,050,300,000 5,081,600,000 5,148,000,000 4,978,300,000 4,828,300,000 5,023,500,000 5,006,200,000 4,975,100,000 3,505,963,000 3,656,345,000 3,692,227,000 3,745,993,000 3,503,917,000 3,595,425,000 3,976,744,000 4,071,035,000 4,117,892,000 4,119,327,000 4,139,090,000 3,796,807,000 3,703,931,000 3,704,814,000 3,788,495,000 3,818,518,000 3,614,569,000 3,645,156,000 3,607,635,000 3,639,336,000 3,429,191,000 3,511,225,000 3,431,371,000 3,562,381,000 3,292,408,000 3,275,495,000 3,122,255,000 3,183,135,000,000 2,983,913,000 3,070,560,000 3,005,449,000 3,051,170,000 2,895,932,000 2,871,480,000 2,687,964,000 2,776,722,000 2,503,361,000 2,469,999,000 2,415,578,000 2,339,629,000 2,238,198,000 2,254,489,000 2,324,549,000 2,250,764,000 2,072,101,000 2,100,802,000 2,278,504,000 2,068,855,000 2,004,768,000 2,099,945,000 2,211,621,000 2,410,701,000,000 3,152,352,000 3,382,522,000 3,424,116,000 3,282,744,000,000 3,230,131,000 3,309,092,000 3,179,995,000 3,124,764,000 2,995,764,000 3,194,980,000 3,157,718,000 3,025,501,000 2,780,948,000 3,010,304,000 2,934,641,000 2,901,611,000 2,784,443,000 2,881,775,000 2,740,646,000 2,686,229,000 2,425,202,000 2,453,423,000 2,381,874,000 2,375,308,000 2,220,009,000 
        liabilities and stockholders’ equity
                                                                                                     
        current liabilities:
                                                                                                     
        notes payable - floor plan - trade
      193,400,000 184,600,000 158,500,000 162,300,000 156,600,000 165,600,000 159,900,000 164,300,000 144,400,000 152,100,000 121,200,000 124,400,000 119,100,000 114,900,000 95,100,000 77,500,000 73,800,000 89,800,000 28,605,000 32,778,000 538,768,000 585,225,000 543,126,000 603,211,000 827,292,000 860,871,000 742,520,000 753,239,000 763,090,000 821,074,000 750,512,000 744,500,000 775,287,000 804,238,000 718,959,000 802,255,000 813,903,000 850,537,000 762,887,000 787,130,000 811,411,000 893,466,000 762,031,000 763,523,000 649,577,000 711,618,000,000 630,667,000 692,485,000 631,591,000  652,356,000 667,327,000 613,078,000  556,570,000 503,153,000     461,787,000  436,444,000     192,426,000 186,402,000  233,746,000  337,018,000  249,813,000 257,765,000     421,885,000  465,802,000             
        notes payable - floor plan - non-trade
      1,806,200,000 1,748,100,000 1,837,900,000 1,833,200,000 1,727,800,000 1,773,700,000 1,675,200,000 1,761,900,000 1,516,700,000 1,520,600,000 1,266,200,000 1,285,600,000 1,301,500,000 1,112,700,000 959,800,000 1,153,700,000 1,122,300,000 1,178,600,000 867,152,000 1,053,325,000 687,550,000 739,019,000 628,978,000 614,102,000 719,446,000 678,223,000 704,238,000 714,609,000 722,807,000 712,966,000 656,535,000 720,233,000 705,107,000 709,098,000 600,379,000 679,075,000 631,654,000 675,353,000 588,619,000 655,282,000 608,927,000 625,367,000 521,924,000 545,901,000 541,919,000 551,118,000,000 462,703,000 515,033,000 546,069,000  486,202,000 521,449,000 493,475,000  413,284,000 487,638,000     386,824,000  339,117,000     562,326,000 593,700,000  757,825,000  849,105,000  809,320,000 875,832,000     622,549,000  327,788,000             
        trade accounts payable
      165,300,000 151,000,000 214,700,000 173,000,000 179,500,000 172,000,000 148,500,000 219,800,000 143,900,000 149,800,000 143,000,000 131,100,000 148,600,000 138,400,000 139,100,000 134,600,000 124,200,000 133,300,000 105,181,000 146,634,000 136,314,000 105,098,000 92,624,000 105,784,000 78,394,000 135,217,000 119,790,000 128,579,000 127,443,000 114,263,000 119,082,000 111,128,000 113,705,000 129,903,000 102,122,000 123,010,000 125,279,000 117,740,000 108,210,000 129,944,000 138,511,000 131,204,000 113,527,000 113,621,000 115,384,000 132,405,000,000 102,806,000 110,452,000 108,329,000 126,025,000 107,909,000 99,554,000 99,663,000 120,981,000 67,302,000 98,389,000 90,385,000 86,902,000 87,360,000 87,468,000 87,486,000 59,719,000 47,968,000 53,188,000 54,715,000 55,345,000 51,977,000 52,095,000 53,688,000 53,215,000,000 49,903,000 61,636,000 65,995,000 66,026,000,000 69,797,000 68,048,000 71,063,000 68,016,000 69,978,000 80,583,000 82,045,000 91,101,000 77,468,000 86,400,000 87,466,000 88,616,000 64,322,000 65,851,000 64,635,000 63,577,000 62,358,000 64,193,000 51,908,000  43,054,000 
        operating short-term lease liabilities
      31,000,000 33,500,000 32,300,000 37,600,000 25,800,000 25,600,000 25,600,000 25,800,000 27,600,000 29,900,000 31,700,000 32,500,000 33,500,000 36,400,000 36,100,000 36,400,000 37,000,000 36,200,000 39,684,000 40,413,000 40,685,000 42,339,000 43,900,000 44,739,000 43,139,000 43,332,000 43,692,000 44,477,000                                                                    
        finance short-term lease liabilities
      55,400,000 19,200,000 13,100,000 12,800,000 12,100,000 11,900,000 11,000,000 11,300,000 10,700,000 10,200,000 10,400,000 15,000,000 12,700,000 11,100,000 15,800,000 54,200,000 52,500,000 52,700,000 35,684,000 12,920,000 4,059,000 3,515,000 3,167,000 1,243,000 20,225,000 1,564,000 1,515,000 5,150,000                                                                    
        other accrued liabilities
      431,100,000 409,100,000 446,600,000 441,500,000 439,600,000 412,800,000 400,600,000 362,200,000 388,400,000 370,200,000 376,300,000 355,000,000 359,900,000 352,400,000 392,600,000 350,200,000 406,300,000 350,500,000 295,282,000 290,686,000 295,331,000 279,477,000 246,958,000 293,714,000 237,211,000 266,211,000 259,467,000 243,869,000 251,038,000 257,823,000 241,443,000 221,180,000 226,530,000 237,963,000 239,667,000 221,389,000 215,478,000 236,982,000 236,883,000 219,546,000 205,471,000 218,507,000 214,900,000 198,896,000 203,846,000 208,654,000,000 200,839,000 173,535,000 178,599,000 185,951,000 176,701,000 164,683,000 172,490,000 188,726,000 166,504,000 150,003,000 178,550,000 177,707,000 178,606,000 169,303,000 161,027,000 160,763,000 145,447,000 134,120,000 141,284,000 144,709,000 162,944,000 146,365,000 138,861,000 207,627,000,000 158,842,000 152,495,000 159,226,000 162,430,000,000 195,359,000 181,098,000 178,565,000 180,884,000 197,329,000 172,172,000 159,375,000 167,060,000 186,981,000 181,211,000 157,383,000 175,510,000 175,325,000 151,524,000 133,072,000 121,744,000 156,545,000 144,972,000 119,376,000  159,921,000 
        current maturities of long-term debt
      192,500,000 52,400,000 52,700,000 46,400,000 85,300,000 76,100,000 117,700,000 105,700,000 68,000,000 60,100,000 60,400,000 60,800,000 81,700,000 79,500,000 80,000,000 76,500,000 53,100,000 50,600,000 53,383,000 51,681,000 74,520,000 68,244,000 63,913,000 72,043,000 80,803,000 69,908,000 62,854,000 62,968,000 38,416,000 26,304,000 33,110,000 37,786,000 53,957,000 61,314,000 59,475,000 67,231,000 50,032,000 43,003,000 43,241,000 29,459,000 26,679,000 33,437,000 31,711,000 38,536,000 38,237,000 30,802,000,000 24,018,000 20,358,000 20,540,000 18,216,000 18,010,000 20,363,000 19,555,000 18,587,000 12,289,000 12,175,000 12,052,000 11,608,000 11,231,000 11,355,000 9,863,000 9,050,000 23,704,000 23,458,000 223,189,000 23,991,000 105,750,000 87,420,000 211,584,000 751,337,000,000 131,705,000 134,983,000 4,338,000 4,197,000,000 3,169,000 3,224,000 2,696,000 2,707,000 3,013,000 2,727,000 2,911,000 2,747,000 2,872,000 2,961,000 3,016,000 2,970,000 3,984,000 3,547,000 1,123,000 1,387,000 2,764,000 2,764,000 2,764,000  2,374,000 
        total current liabilities
      2,874,900,000 2,597,900,000 2,755,800,000 2,706,800,000 2,626,700,000 2,637,700,000 2,538,500,000 2,651,000,000 2,299,700,000 2,292,900,000 2,009,200,000 2,004,400,000 2,057,000,000 1,845,400,000 1,718,500,000 1,883,100,000 1,869,200,000 1,891,700,000 1,428,402,000 1,635,802,000 1,781,332,000 1,831,413,000 1,629,018,000 1,748,177,000 2,013,044,000 2,066,156,000 1,945,948,000 1,965,409,000 1,966,280,000 1,945,847,000 1,812,940,000 1,847,262,000 1,887,067,000 1,954,832,000 1,731,746,000 1,904,884,000 1,847,979,000 1,936,880,000 1,752,827,000 1,834,235,000 1,804,153,000 1,914,621,000 1,656,578,000 1,673,001,000 1,561,494,000 1,647,006,000,000 1,439,783,000 1,535,803,000 1,497,680,000 1,594,536,000 1,454,071,000 1,486,093,000 1,406,247,000 1,524,155,000 1,224,200,000 1,262,030,000 1,202,264,000 1,156,675,000 1,044,297,000 1,028,474,000 1,117,577,000 1,105,587,000 1,002,715,000 1,024,666,000 1,203,168,000 1,006,901,000 988,309,000 1,135,323,000 1,346,545,000 2,149,780,000,000 1,389,492,000 1,576,286,000 1,493,545,000 1,426,117,000,000 1,407,465,000 1,488,911,000 1,459,769,000 1,431,693,000 1,339,183,000 1,524,798,000 1,453,912,000 1,320,494,000 1,132,998,000 1,326,340,000 1,310,828,000 1,333,375,000 1,179,302,000 1,312,540,000 1,230,151,000 1,196,929,000 1,017,202,000 1,098,360,000 1,021,868,000  913,995,000 
        long-term debt
      1,535,100,000 1,563,000,000 1,437,500,000 1,474,000,000 1,485,200,000 1,511,900,000 1,578,200,000 1,602,300,000 1,583,400,000 1,616,500,000 1,623,100,000 1,629,500,000 1,650,800,000 1,672,200,000 1,442,400,000 1,462,000,000 1,493,200,000 1,510,700,000 637,774,000 634,712,000 637,377,000 651,823,000 669,684,000 677,488,000 830,839,000 636,978,000 846,222,000 851,283,000 880,939,000 918,779,000 957,519,000 933,128,000 1,004,657,000 963,389,000 1,016,390,000 887,327,000 897,352,000 839,675,000 842,894,000 848,802,000 817,065,000 781,145,000 795,871,000 780,883,000 756,388,000 742,610,000,000 759,463,000 760,527,000 764,510,000 730,157,000 734,064,000 713,087,000 619,742,000 610,798,000 598,890,000 525,395,000 545,028,000 536,011,000 559,709,000 596,410,000 598,969,000 546,401,000 529,632,000 550,182,000 562,520,000 552,150,000 556,243,000 644,260,000 557,278,000  638,970,000 647,652,000 783,348,000 697,800,000,000 687,493,000 672,196,000 601,272,000 598,627,000 607,427,000 644,863,000 685,310,000 712,311,000 686,862,000 749,259,000 707,556,000 668,826,000 747,808,000 721,737,000 698,656,000 694,898,000 662,620,000 621,929,000 654,791,000 645,809,000 632,038,000 
        other long-term liabilities
      111,200,000 114,400,000 123,500,000 122,000,000 115,900,000 119,700,000 106,900,000 87,100,000 88,900,000 89,600,000 108,200,000 109,800,000 114,600,000 105,500,000 93,200,000 92,500,000 94,100,000 96,000,000 96,420,000 92,974,000 90,311,000 88,753,000 86,728,000 75,344,000 66,287,000 73,746,000 71,133,000 68,265,000 67,819,000 75,887,000 79,179,000 87,558,000 73,530,000 61,918,000 64,123,000 63,037,000 61,005,000 61,170,000 66,876,000 70,517,000 66,941,000 64,245,000 73,984,000 70,198,000 71,215,000 69,200,000,000 71,476,000 76,276,000 77,836,000 81,286,000 91,959,000 94,336,000 102,081,000 104,456,000 121,149,000 120,728,000 122,963,000 124,201,000 128,846,000 133,560,000 129,732,000 134,081,000 143,631,000 142,204,000 138,560,000 141,052,000 109,562,000 99,823,000 90,689,000 71,132,000,000 97,510,000 81,977,000 103,337,000 83,829,000,000 199,750,000 200,562,000 199,959,000 39,570,000 35,549,000 37,532,000 32,977,000 29,479,000 28,705,000 27,367,000 31,299,000 28,888,000 22,859,000 24,502,000 20,025,000 19,136,000 15,973,000 18,233,000 17,497,000  17,217,000 
        operating long-term lease liabilities
      257,200,000 268,300,000 274,000,000 238,600,000 215,700,000 220,100,000 200,800,000 196,200,000 204,000,000 219,200,000 176,100,000 188,600,000 210,500,000 231,400,000 238,200,000 247,300,000 263,800,000 264,800,000 278,315,000 281,636,000 288,589,000 296,564,000 304,596,000 307,528,000 311,371,000 304,151,000 295,005,000 299,009,000                                                                    
        finance long-term lease liabilities
      357,900,000 359,000,000 356,300,000 359,400,000 341,400,000 344,000,000 318,800,000 322,900,000 327,200,000 254,500,000 276,200,000 272,600,000 260,300,000 228,600,000 229,100,000 168,600,000 150,900,000 135,500,000 59,303,000 64,382,000 67,388,000 62,290,000 39,789,000 40,274,000 33,216,000 36,313,000 36,646,000 36,220,000                                                                    
        commitments and contingencies
                                                                                                     
        stockholders’ equity:
                                                                                                     
        class a convertible preferred stock, none issued
                                                                                                     
        class a common stock, 0.01 par value...
      700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 665,000 664,000 660,000 656,000 656,000 656,000 652,000 647,000 647,000 647,000 647,000 642,000 642,000 641,000 641,000 635,000 635,000 635,000 634,000 630,000 630,000 630,000 629,000 626,000 625,000 625,000    620,000 619,000 616,000 615,000 615,000 615,000 614,000 612,000 570,000 570,000 564,000 563,000                                     
        class b common stock, 0.01 par value...
      100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000                                                      
        paid-in-capital
      908,500,000                                                                                               
        retained earnings
      1,529,400,000 1,481,100,000 902,400,000 1,413,200,000 1,470,700,000 1,412,000,000 1,365,300,000 1,301,400,000 1,270,400,000 1,238,600,000 1,210,100,000 1,151,200,000 1,138,100,000 1,100,300,000 1,301,500,000 1,223,500,000 1,138,900,000 1,051,700,000 960,238,000 880,704,000 771,864,000 721,770,000 668,540,000 613,033,000 586,511,000 790,158,000 748,166,000 723,469,000 701,182,000 670,691,000 651,436,000 638,895,000 624,535,000 625,356,000 565,563,000 548,242,000 538,368,000 541,146,000 505,747,000 489,878,000 469,340,000 457,010,000 427,819,000 402,575,000 389,074,000 376,353,000,000 351,507,000 328,114,000 302,436,000 284,368,000 257,605,000 235,601,000 227,996,000 208,048,000 179,008,000 170,391,000 143,551,000 124,383,000 105,167,000 87,089,000 67,066,000 53,427,000        -40,597,000,000 649,692,000 680,040,000 673,515,000 664,280,000,000 646,457,000 625,552,000 604,489,000 598,293,000 584,858,000 561,406,000 554,347,000 542,374,000 526,456,000 504,703,000 482,736,000 470,663,000 461,013,000 446,709,000 420,864,000 402,799,000 393,101,000 379,659,000 351,142,000  318,051,000 
        accumulated other comprehensive income
      -400,000 -700,000 2,100,000 2,400,000 2,900,000 3,800,000 2,300,000 2,500,000 2,100,000 1,600,000 2,700,000 2,500,000 1,500,000 1,600,000 -800,000 -800,000 -1,100,000 -1,300,000 -2,807,000 -3,026,000 -3,373,000 -3,616,000 -2,564,000 -2,589,000 -2,334,000 -2,062,000 281,000 960,000 2,372,000 4,233,000 5,480,000 5,092,000 4,221,000 1,307,000 -470,000 -933,000 -959,000 -2,262,000 -7,789,000 -10,392,000 -8,657,000 -5,632,000 -9,072,000 -6,455,000 -7,347,000 -6,424,000,000 -5,344,000 -7,847,000 -7,545,000 -8,582,000 -11,669,000 -11,886,000 -18,176,000 -19,963,000 -21,573,000 -21,451,000 -19,749,000 -21,490,000     -23,703,000 -22,338,000 -21,482,000  -26,907,000 -24,725,000 -20,345,000  -15,151,000 -14,881,000 -28,769,000 -15,114,000,000 -4,930,000 3,364,000     55,000               
        treasury stock
      -1,457,000,000 -1,321,300,000 -1,283,000,000 -1,283,000,000 -1,274,200,000 -1,238,900,000 -1,231,600,000 -1,231,600,000 -1,231,500,000 -1,204,500,000 -1,204,400,000 -1,117,600,000 -1,117,600,000 -1,026,900,000 -1,010,200,000 -858,100,000 -798,700,000 -765,000,000 -738,726,000 -713,938,000 -713,892,000 -671,725,000 -657,097,000 -627,812,000 -621,290,000 -600,004,000 -600,004,000 -600,004,000 -599,956,000 -597,623,000 -597,623,000 -596,981,000 -596,962,000 -573,513,000 -573,513,000 -562,114,000 -540,162,000 -536,166,000 -533,681,000 -523,699,000 -510,610,000 -436,195,000 -433,752,000 -416,478,000    -359,821,000 -357,054,000 -348,666,000 -346,079,000 -345,760,000 -340,719,000 -331,599,000 -265,046,000 -250,505,000 -250,474,000 -248,675,000 -246,800,000 -241,590,000 -241,591,000 -237,688,000 -237,648,000 -237,624,000 -237,358,000 -236,575,000 -236,575,000 -236,575,000 -236,545,000 -236,514,000,000 -236,502,000 -231,919,000 -227,994,000 -207,866,000,000 -193,424,000 -165,375,000 -160,711,000 -159,001,000 -156,574,000 -155,982,000 -145,448,000 -143,945,000 -143,296,000 -143,296,000 -139,865,000 -138,361,000 -138,361,000 -132,800,000 -121,915,000 -117,444,000 -110,951,000 -105,181,000 -101,080,000  -81,724,000 
        total stockholders’ equity
      981,300,000 1,068,100,000 1,069,300,000 1,029,600,000 1,090,800,000 1,062,300,000 1,015,000,000 944,700,000 904,400,000 891,900,000 857,500,000 876,700,000 854,800,000 895,200,000 1,106,900,000 1,170,000,000 1,135,000,000 1,076,400,000 1,005,749,000 946,354,000 826,459,000 814,805,000 774,102,000 744,702,000 721,987,000 944,764,000 902,425,000 875,725,000 852,286,000 823,116,000 803,844,000 786,980,000 768,717,000 786,760,000 722,974,000 713,410,000 722,278,000 725,164,000 685,444,000 674,928,000 666,457,000       654,005,000 627,478,000 613,639,000 583,730,000 552,850,000 541,219,000 526,545,000 559,122,000 561,846,000 545,323,000 522,742,000 505,346,000 496,045,000 478,271,000 464,695,000 396,123,000 383,750,000 374,256,000 368,752,000 350,654,000 220,539,000 217,109,000 189,789,000,000 901,736,000 934,317,000 909,452,000 930,828,000,000 935,423,000 947,423,000 918,995,000 903,840,000 883,005,000 856,647,000 853,555,000 830,798,000 830,853,000 806,007,000 783,702,000 769,687,000 756,033,000 744,767,000 714,932,000 698,333,000 683,830,000 669,072,000 641,652,000  626,978,000 
        total liabilities and stockholders’ equity
      6,117,600,000 5,970,700,000 6,016,400,000 5,930,400,000 5,875,700,000 5,895,700,000 5,758,200,000 5,804,200,000 5,407,600,000 5,364,600,000 5,050,300,000 5,081,600,000 5,148,000,000 4,978,300,000 4,828,300,000 5,023,500,000 5,006,200,000 4,975,100,000 3,505,963,000 3,656,345,000 3,692,227,000 3,745,993,000 3,503,917,000 3,595,425,000 3,976,744,000 4,071,035,000 4,117,892,000 4,119,327,000 4,139,090,000 3,796,807,000 3,703,931,000 3,704,814,000 3,788,495,000 3,818,518,000 3,614,569,000 3,645,156,000 3,607,635,000 3,639,336,000 3,429,191,000 3,511,225,000 3,431,371,000       3,070,560,000 3,005,449,000 3,051,170,000 2,895,932,000 2,871,480,000 2,687,964,000 2,776,722,000 2,503,361,000 2,469,999,000 2,415,578,000 2,339,629,000 2,238,198,000 2,254,489,000 2,324,549,000 2,250,764,000 2,072,101,000 2,100,802,000 2,278,504,000 2,068,855,000 2,004,768,000 2,099,945,000 2,211,621,000 2,410,701,000,000 3,152,352,000 3,382,522,000 3,424,116,000 3,282,744,000,000 3,230,131,000 3,309,092,000 3,179,995,000 3,124,764,000 2,995,764,000 3,194,980,000 3,157,718,000 3,025,501,000 2,780,948,000 3,010,304,000 2,934,641,000 2,901,611,000 2,784,443,000 2,881,775,000 2,740,646,000 2,686,229,000 2,425,202,000 2,453,423,000 2,381,874,000  2,220,009,000 
        paid-in capital
       908,200,000  896,200,000 890,600,000 884,600,000 878,200,000 871,600,000 862,600,000 855,400,000 848,300,000 839,800,000 832,000,000 819,400,000 815,600,000 804,600,000 795,100,000 790,200,000 786,258,000 781,829,000 771,079,000 767,599,000 764,446,000 761,293,000 758,327,000 755,904,000 753,214,000 750,532,000 747,920,000 745,052,000 743,788,000 739,212,000 736,161,000 732,854,000 730,638,000 727,459,000 724,276,000 721,695,000 720,416,000 718,390,000 715,634,000 713,118,000 707,419,000 705,046,000 702,423,000 697,760,000,000 694,869,000 692,818,000 688,901,000 685,782,000 683,137,000 674,159,000 671,382,000 669,324,000 666,000,000 662,720,000 671,304,000 667,839,000 668,638,000 669,577,000 668,762,000 666,961,000 666,401,000 665,624,000 663,446,000 662,186,000 662,895,000 546,301,000 538,505,000 502,985,000,000 503,148,000 500,528,000 492,155,000 488,983,000,000 486,775,000 483,338,000 474,674,000 464,011,000 454,189,000 450,691,000 444,072,000 433,654,000 449,477,000 447,778,000 443,970,000 441,503,000 434,927,000 432,736,000 419,975,000 416,892,000 406,907,000 400,994,000 397,622,000  396,279,000 
        accrued interest
                        3,431,000 7,365,000 4,105,000 8,496,000 6,352,000 13,341,000 6,534,000 10,830,000 11,872,000 12,518,000 12,892,000 13,417,000 12,258,000 12,435,000 12,481,000 12,316,000 11,144,000 11,924,000 11,633,000 13,265,000 12,987,000 12,874,000 13,154,000 12,640,000 12,485,000 12,524,000 12,531,000 12,409,000,000 12,163,000 12,299,000 12,552,000 12,653,000 12,893,000 12,717,000 7,986,000 16,643,000 8,251,000 10,672,000 9,294,000 12,117,000 9,283,000 13,625,000 10,590,000 14,070,000 10,035,000 13,924,000 13,010,000 16,146,000 9,456,000 15,174,000 12,320,000 17,096,000,000 14,543,000 16,290,000 13,820,000 19,202,000,000 15,891,000 18,281,000 15,980,000 19,336,000 15,321,000 18,687,000 15,507,000 17,378,000 12,465,000 16,232,000 12,067,000 15,421,000 10,315,000 14,322,000 9,569,000 13,851,000 8,440,000 13,205,000 10,310,000  9,600,000 
        deferred income taxes
                         485,000 771,000 345,000  1,912,000  8,927,000 20,513,000 23,416,000 26,844,000 33,178,000 50,449,000 49,886,000 54,524,000 51,619,000 79,336,000 76,498,000 79,021,000 76,447,000 81,150,000 82,743,000 76,755,000 73,322,000 72,815,000 65,979,000 61,098,000 57,601,000,000 59,620,000 43,949,000 37,945,000 31,552,000 32,108,000 25,114,000 18,675,000 10,768,000                 124,644,000 142,290,000 134,434,000 144,170,000,000    151,034,000 130,600,000 131,140,000 131,964,000 132,419,000 101,530,000 101,331,000 101,256,000 100,835,000 78,441,000 78,229,000 76,882,000 76,933,000 41,077,000 40,329,000 40,566,000  24,281,000 
        right-of-use assets
                                  382,979,000                                                                   
        current lease liabilities
                                  50,594,000                                                                   
        long-term lease liabilities
                                  344,922,000                                                                   
        assets held for sale
                                            6,347,000 6,347,000       14,811,000 28,351,000              2,020,000 13,548,000 5,777,000 11,672,000 12,167,000 176,128,000 203,577,000 365,452,000 406,576,000,000 110,815,000 114,263,000 134,056,000 87,342,000,000 109,002,000 176,536,000 152,340,000 160,571,000 145,706,000 219,358,000 230,966,000 73,837,000 91,501,000 116,156,000 96,400,000 105,100,000 83,930,000 84,784,000 83,941,000 88,990,000 36,859,000 69,258,000    
        liabilities and stockholders' equity
                                                                                                     
        stockholders' equity:
                                                                                                     
        total stockholders' equity
                                               729,048,000 693,160,000 685,434,000 672,060,000 666,718,000,000 653,571,000                                                 
        total liabilities and stockholders' equity
                                               3,562,381,000 3,292,408,000 3,275,495,000 3,122,255,000 3,183,135,000,000 2,983,913,000                                                 
        class b common stock; 0.01 par value...
                                                121,000 121,000    121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000                                     
        62,416,612 shares issued and 38,813,219 shares outstanding at
                                                                                                     
        62,046,966 shares issued and 38,890,533 shares outstanding at
                                                                                                     
        liabilities associated with assets held for sale - non-trade
                                                    6,587,000                     49,113,000 92,778,000  30,909,000  49,317,000  28,095,000 36,325,000   37,522,000 57,323,000 68,038,000  17,908,000             
        62,006,636 shares issued and 39,438,090 shares outstanding at
                                                                                                     
        liabilities associated with assets held for sale - trade
                                                     11,641,000                    30,404,000 57,212,000  12,019,000  14,726,000  36,021,000 48,338,000   56,582,000 93,334,000 81,602,000  41,714,000             
        notes payable — floor plan — trade
                                                       681,030,000    655,195,000   489,579,000 469,027,000 425,194,000 438,244,000  478,834,000  447,709,000 410,073,000 214,871,000 156,743,000                             
        notes payable — floor plan — non-trade
                                                       570,661,000    524,023,000   422,404,000 399,314,000 332,623,000 308,479,000  383,151,000  350,906,000 356,840,000 548,493,000 448,316,000                             
        accumulated other comprehensive loss
                                                                -22,343,000 -19,714,000 -16,649,000 -18,683,000    -22,350,000                 -122,000 -452,000 -569,000 -1,228,000 -2,061,000 -2,392,000 -4,499,000 -4,419,000 -5,727,000 -6,896,000 -6,525,000  -6,121,000 
        class a common stock, .01 par value...
                                                                 562,000 562,000 557,000 556,000 556,000 554,000  550,000 444,000 430,000 429,000,000 428,000 428,000 424,000 424,000,000 424,000 423,000 422,000 416,000    403,000    397,000    384,000      
        class b common stock; .01 par value...
                                                                 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000,000 121,000 121,000 121,000 121,000,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000 121,000   
        liabilities associated with assets held for sale — non-trade
                                                                     1,361,000 4,057,000 3,346,000 28,620,000                             
        accumulated deficit
                                                                    -9,604,000 -22,589,000 -31,025,000 -35,180,000 -49,430,000 -65,027,000 -65,057,000                           
        liabilities associated with assets held for sale — trade
                                                                        24,503,000                             
        class a common stock
                                                                       550,000                             372,000 
        restricted cash
                                                                        106,913,000                             
        commitments and contingencies stockholders’ equity:
                                                                                                     
        construction in progress and land expected to be sold
                                                                               6,421,000,000                      
        notes payable—floor plan—trade
                                                                           208,438,000,000  336,837,000  298,376,000,000   245,163,000 377,943,000    579,022,000              
        notes payable—floor plan—non-trade
                                                                           712,585,000,000  823,116,000  827,294,000,000   852,085,000 686,515,000    410,296,000              
        liabilities associated with assets held for sale—trade
                                                                           65,405,000,000  12,124,000  25,057,000,000   55,309,000 54,229,000    45,953,000              
        liabilities associated with assets held for sale—non-trade
                                                                           134,077,000,000  38,805,000  23,535,000,000   38,908,000 42,063,000    6,937,000              
        accumulated other comprehensive income/
                                                                           -36,635,000,000                          
        construction in progress expected to be sold
                                                                                5,673,000                     
        construction in progress expected to be sold in sale-leaseback transactions
                                                                                 4,516,000 32,294,000 26,198,000  70,500,000 101,033,000 95,131,000              
        deferred compensation related to restricted stock
                                                                                       -1,829,000 -2,185,000 -3,248,000 -3,089,000 -3,408,000          
        cash
                                                                                    22,664,000 18,342,000 6,911,000  6,453,000 8,278,000 5,974,000 9,991,000   39,475,000 82,082,000 34,951,000 32,071,000 16,568,000   
        construction in progress and land expected to be sold in sale-leaseback transactions
                                                                                    48,039,000                 
        floor plan notes payable - trade
                                                                                    426,005,000 450,602,000                
        floor plan notes payable - non-trade
                                                                                    533,433,000 649,370,000                
        class a common stock; .01 par value...
                                                                                    411,000 411,000 408,000  402,000 401,000 398,000  394,000 393,000 386,000  379,000 375,000 372,000   
        deferred compensation related to stock-based compensation
                                                                                                     
        accumulated other comprehensive (loss)/income
                                                                                       20,000              
        notes payable - floor plan
                                                                                         962,395,000 985,019,000  925,356,000 1,077,296,000 1,021,752,000 996,370,000 787,095,000     
        liabilities associated with assets held for sale
                                                                                         77,141,000            
        liabilities held for sale
                                                                                          65,877,000           
        notes payable—floor plan
                                                                                           1,050,858,000      873,226,000   699,046,000 
        payable to the company’s chairman
                                                                                                4,500,000 5,500,000 5,500,000  5,500,000 
        notes payable – floor plan
                                                                                                  837,510,000   
        income statement data :
                                                                                                     
        total revenues
                                                                                                   7,071,015,000  
        operating income
                                                                                                   235,207,000  
        income from continuing operations before income taxes
                                                                                                   175,330,000  
        net income from continuing operations
                                                                                                   108,509,000  
        basic net income per share from continuing operations
                                                                                                   2,600  
        diluted net income per share from continuing operations
                                                                                                   2,510  
        consolidated balance sheet data :
                                                                                                     
        total liabilities
                                                                                                   1,738,130,000  
        stockholders’ equity
                                                                                                   637,178,000  
        goodwill and other intangible assets
                                                                                                    933,187,000 
        class b common stock
                                                                                                    121,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-04-30 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 2017-09-30 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 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 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 2005-12-31 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 
                                                                                                  
          cash flows from operating activities:
                                                                                                  
          net income
        60,800,000 46,900,000 46,800,000 -45,600,000 70,600,000 58,600,000 74,200,000 41,200,000 42,000,000 38,700,000 68,400,000 23,400,000 47,700,000 -190,900,000 87,300,000 94,800,000 97,300,000 96,348,000 84,485,000 113,845,000 54,222,000 57,339,000 59,818,000 30,791,000 -199,333,000 46,306,000 29,010,000 26,600,000 42,221,000 21,820,000 15,119,000 16,905,000 -2,194,000 19,440,000 12,132,000 -541,000 37,636,000 18,111,000 22,822,000 14,624,000 31,058,000 26,504,000 14,782,000 13,967,000 26,126,000 24,712,000 28,083,000 23,328,000 8,916,000 21,291,000 30,382,000 48,677,000 20,498,000 20,538,000 19,401,000 21,351,000 14,964,000 64,354,000 12,985,000 8,436,000 4,154,000 14,250,000 15,594,000 26,000 1,678,000 -685,597,000 -25,349,000 10,811,000 14,208,000 95,429,534,000 26,107,000 26,368,000 19,991,000 23,239,000 28,608,000 12,188,000 17,082,000 20,941,000 26,804,000 27,004,000 17,112,000 14,613,000 19,280,000 29,993,000 22,185,000 -57,671,440 17,541,000 28,517,000 11,685,000 21,406,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                  
          depreciation and amortization of property and equipment
        32,900,000 36,300,000 35,600,000 35,000,000 34,400,000 34,200,000 32,800,000 31,900,000 31,500,000 32,200,000 30,700,000 31,300,000 30,000,000 29,700,000 29,000,000 28,200,000 27,000,000 24,731,000 23,677,000 23,190,000 22,202,000 22,097,000 22,012,000 21,922,000 21,540,000 22,279,000 22,789,000 22,684,000 22,197,000 22,554,000 23,374,000 23,948,000 23,741,000                                          5,832,000 6,968,000 5,183,000  5,001,000 4,477,000 4,144,000          
          debt issuance cost amortization
        1,700,000 1,700,000 1,700,000 1,600,000 1,600,000 1,600,000 1,300,000 1,300,000 1,600,000 1,600,000 1,700,000 1,600,000 1,600,000 1,400,000 1,500,000 1,200,000 1,100,000 957,000 685,000 835,000 823,000 884,000 834,000 625,000 557,000 689,000 600,000 598,000 591,000 590,000 611,000 619,000 598,000 591,000 588,000 605,000 755,000 636,000 628,000 622,000 1,033,000 490,000 483,000 483,000 481,000 510,000 598,000 662,000 733,000 794,000 774,000 1,519,000 765,000 733,000 1,002,000 1,003,000 987,000 983,000 1,066,000 624,000 1,012,000 3,526,000 2,583,000 6,988,000 338,000 347,000 326,000 292,000 291,000 1,146,144,000 289,000 285,000 282,000                  
          stock-based compensation expense
        5,100,000 5,800,000 5,800,000 5,600,000 5,900,000 5,500,000 5,500,000 5,900,000 6,600,000 6,000,000 6,900,000 5,400,000 5,000,000 3,600,000 3,800,000 8,600,000 4,500,000 3,846,000 3,681,000 3,989,000 3,484,000 3,153,000 3,154,000 2,970,000 2,427,000 2,690,000 2,681,000 2,612,000 2,814,000 1,264,000 4,578,000 3,049,000 2,962,000 3,179,000 3,138,000 2,585,000 2,771,000 2,760,000 2,739,000 2,895,000                                   1,423,000 1,721,000 1,608,000              
          deferred income taxes
        -3,500,000 33,000,000 -3,600,000 -51,600,000 -3,600,000 -18,400,000 -3,500,000 -3,500,000 -3,700,000 -8,100,000 -3,800,000 -3,400,000 -3,300,000 -2,300,000 -3,000,000 -4,200,000 -3,200,000 21,228,000 -2,966,000 -3,047,000 -2,915,000 29,273,000 -2,915,000 -6,036,000 -53,999,000 -12,508,000 -2,777,000 -2,744,000 -2,816,000 -14,898,000 480,000 -5,119,000 -1,069,000 2,563,000 971,000 -789,000 6,461,000 -3,188,000 7,051,000 4,141,000 -841,000 8,441,000 4,333,000 4,063,000 7,197,000 7,075,000 5,668,000 6,862,000 2,583,000 6,811,000 8,082,000 13,671,000 -429,000 30,196,000 -664,000 -365,000 -251,000 22,713,000 -193,000 -219,000 -244,000 25,543,000 32,000 -1,084,000 -1,338,000 -229,033,000 -18,956,000 -656,000 -919,000 24,030,216,000 -1,097,000 -1,031,000 -88,000 12,379,000 -541,000 -811,000 -455,000             14,966,000 
          asset impairment charges
        400,000 172,400,000 1,400,000 1,500,000 1,400,000 1,000,000 16,700,000           1,158,000 26,000 833,000 268,000,000 17,692,000 1,124,000 1,952,000 15,553,000 1,000 10,317,000 3,643,000 200,000 2,605,000 510,000 1,823,000 6,089,000   1,257,000 37,000 10,469,000 6,192,000 6,379,000 208,000 9,803,000 18,000 36,000 15,000 893,000 34,000 1,000 991,000 102,000 41,000 17,000 117,000 87,000 1,000 44,000 20,922,000 621,000 6,909,000 1,586,000                          
          loss on disposal of dealerships and property and equipment
        -1,100,000  2,600,000 2,600,000 1,200,000  -200,000             -465,000 -25,000 -5,944,000 -3,718,000 2,403,000 -39,000 -29,294,000 41,000 720,000 -46,785,000 -2,048,000 323,000          -2,390,000   -95,000   -24,000 13,000 290,000 -12,000 -3,768,000 -5,577,000 -5,644,000                                      
          other
        200,000 800,000 100,000 500,000 100,000 -1,400,000 300,000 -100,000 1,000,000 300,000 -500,000 100,000 700,000 -10,300,000 1,500,000 -300,000 -200,000 13,646,000                                                                         
          changes in assets and liabilities that relate to operations:
                                                                                                  
          receivables
        53,500,000 -28,100,000 -45,700,000 123,500,000 -18,300,000 -58,000,000 4,000,000 -10,700,000 107,300,000 -106,200,000 -13,200,000 -25,100,000 87,500,000 -93,900,000 -15,300,000 5,400,000 53,400,000 -92,755,000 78,788,000 16,410,000 -1,943,000 -80,468,000 5,975,000 -92,427,000 231,732,000 -78,957,000 1,072,000 15,723,000 66,814,000 -99,662,000 -1,378,000 30,599,000 120,792,000 -119,699,000 11,350,000 132,679,000 -148,602,000 15,319,000 -31,047,000 101,436,000 -85,936,000 11,064,000 8,904,000 56,920,000 -99,214,000 33,564,000 -91,800,000 25,037,000 -6,684,000 64,355,000 -104,735,000 39,245,000 48,562,000 -103,647,000 -1,643,000 16,455,000 23,977,000 -73,781,000 27,142,000 20,951,000 17,574,000 -45,111,000 21,736,000 20,067,000 26,732,000 -29,486,000 64,303,000 25,459,000 40,850,000 18,729,978,000 -9,800,000 -16,520,000 49,342,000 -66,025,000 17,127,000 1,296,000 49,074,000 -99,625,000 71,648,000 -38,746,000 26,638,000 -26,476,000 20,927,000 -40,405,000 -4,452,000 7,623,726 -10,743,000 -26,869,000 29,981,000 -45,030,000 
          inventories
        -126,600,000 42,500,000 88,600,000 -107,600,000 81,100,000 -11,000,000 29,600,000 -254,700,000 -122,200,000 -144,500,000 15,000,000 -11,100,000 -234,600,000 -19,700,000 71,300,000 -42,400,000 72,200,000 -167,442,000 179,609,000 223,703,000 16,530,000 -96,553,000 33,311,000 431,682,000 -90,342,000 -30,831,000 -16,126,000 8,644,000 -40,210,000 -58,431,000 52,830,000 -30,264,000 -42,836,000 242,714,000 -21,737,000 -29,900,000 -59,365,000 85,545,000 3,516,000 5,849,000 -180,368,000 18,714,000 -161,121,000 31,675,000 -108,273,000 96,778,000 -53,644,000 46,770,000 -107,764,000 35,992,000 -152,421,000 -180,750,000 -130,766,000 -47,543,000 46,155,000 69,694,000 -28,105,000 -39,167,000 -4,868,000 -42,019,000 -35,881,000 -75,402,000 157,975,000 71,702,000 153,528,000 -48,952,000 131,670,000 34,101,000 -111,615,000 -17,019,263,000 84,841,000 -3,262,000 -65,316,000 -88,238,000 198,170,000 -30,048,000 -99,933,000 -111,425,000 152,051,000 27,905,000 -32,408,000 -79,882,000 174,609,000 -12,666,000 -54,006,000 -51,085,789 87,495,000 -43,311,000 6,779,000 -90,087,000 
          other assets
        -15,000,000 6,900,000 -400,000 3,600,000 3,500,000 116,500,000 -76,900,000 1,300,000 6,100,000 11,200,000 9,000,000 -20,400,000 4,200,000 -248,200,000 105,900,000 13,400,000 -11,800,000 58,383,000 -13,197,000 886,000 9,628,000 10,117,000 23,528,000 44,101,000 -89,114,000 112,550,000 559,000 1,330,000 -66,967,000 9,271,000 1,517,000 4,274,000 -3,774,000 15,551,000 -3,129,000 -16,708,000 -1,225,000 17,203,000 2,127,000 44,433,000 747,000 -16,369,000 926,000 -5,089,000 53,311,000 -12,115,000 -25,319,000 20,666,000 -40,066,000 34,885,000 -59,607,000 -7,269,000 -4,736,000 1,071,000 -1,141,000 1,707,000 -6,754,000 -6,609,000 -1,013,000 -2,814,000 -10,879,000 22,969,000 5,883,000 -9,444,000 -20,801,000 7,585,000 11,471,000 990,000 -10,137,000 -18,095,532,000 3,948,000 9,827,000 -11,243,000 2,695,000 19,856,000 1,546,000 -9,018,000 -4,456,000 -4,778,000 -2,759,000 -5,596,000 -816,000 26,983,000 -13,720,000 -12,437,000 11,441,467 -3,546,000 441,000 -8,360,000 2,377,000 
          notes payable - floor plan – trade
        8,800,000  -3,800,000 5,700,000 -9,000,000  -4,400,000 19,900,000 -7,700,000  -3,200,000 5,300,000 4,200,000  17,600,000 3,700,000 -16,000,000  -4,173,000                                                                        
          trade accounts payable and other liabilities
        18,300,000 -105,000,000 40,200,000 -8,900,000 26,900,000 -41,600,000 25,100,000 30,400,000 5,100,000 1,600,000 10,000,000 -34,400,000 23,000,000 -48,900,000 39,500,000 -54,600,000 28,200,000 19,654,000 -48,705,000 1,932,000 34,419,000 24,942,000 -36,721,000 61,935,000 -105,630,000 20,808,000 3,041,000 -28,720,000 -16,525,000 22,504,000 13,708,000 1,818,000 -22,043,000 -550,000 -4,104,000 -9,628,000 26,315,000 -4,589,000 -370,000 -6,403,000 21,143,000 8,469,000 -2,936,000 -21,486,000 22,244,000 12,442,000 26,115,000 24,836,000 -15,601,000 -47,334,000 65,113,000 -23,923,000 -5,222,000 -1,564,000 -2,129,000 4,316,000 23,434,000 37,575,000 -1,118,000 -11,510,000 -9,258,000 -37,287,000 9,392,000 9,259,000 22,556,000 -10,399,000 -14,688,000 -704,000 -12,572,000 -9,421,983,000 13,303,000 13,462,000 -782,000 -21,063,000 11,659,000 11,858,000 -20,695,000 -987,000 -6,673,000 24,146,000 -22,147,000 34,183,000 18,766,000 26,388,000 11,647,000 -35,845,784 -672,000 40,452,000 -3,912,000 -13,695,000 
          total adjustments
        -25,300,000 20,000,000 121,100,000 182,400,000 125,200,000 29,100,000 13,600,000 -177,600,000 28,100,000 -158,600,000 54,700,000 -8,300,000 -81,700,000 -48,400,000 251,800,000 -41,000,000 155,200,000 -56,432,000 216,557,000 -238,733,000 36,008,000 -49,256,000 -14,570,000 244,155,000 152,135,000 150,254,000 2,203,000 10,870,000 -136,550,000 -33,618,000 102,246,000 -33,619,000 57,016,000 75,809,000 1,276,000 80,016,000 -62,801,000 116,703,000 -19,743,000 89,016,000 -93,007,000 50,827,000 -4,729,000 30,089,000 -21,018,000 77,190,000 -82,278,000 126,989,000 -67,427,000 67,546,000 -133,110,000 -96,577,000 -59,666,000 -60,584,000 42,905,000 85,639,000 9,416,000 -47,371,000 20,371,000 21,968,000 170,142,000 -53,395,000 161,779,000 98,465,000 165,184,000 647,890,000 133,531,000 76,226,000 -51,081,000 -61,405,979,000 83,738,000 20,366,000 -149,125,000 -193,290,000 192,885,000 48,006,000 -190,582,000 -75,003,000 114,355,000 -12,826,000 -32,627,000 75,362,000 75,229,000 -2,493,000 -24,419,000 -28,358,611 -10,813,000 24,420,000 14,818,000 817,000 
          net cash from operating activities
        35,500,000 66,900,000 167,900,000 136,800,000 195,800,000 87,700,000 87,800,000 -136,400,000 70,100,000 -119,900,000 123,100,000 15,100,000 -34,000,000 -239,300,000 339,100,000 53,800,000 252,500,000 39,916,000 301,042,000 -124,888,000 90,230,000 8,083,000 45,248,000 274,946,000 -47,198,000 196,560,000 31,213,000 37,470,000 -94,329,000 -11,798,000 117,365,000 -16,714,000 54,822,000 95,249,000 13,408,000 79,475,000 -25,165,000 134,814,000 3,079,000 103,640,000 -61,949,000 77,331,000 10,053,000 44,056,000 5,108,000 101,902,000 -54,195,000 150,317,000 -58,511,000 88,837,000 -102,728,000 -47,900,000 -39,168,000 -40,046,000 62,306,000 106,990,000 24,380,000 16,983,000 33,356,000 30,404,000 174,296,000 -39,145,000 177,373,000 98,491,000 166,862,000 -37,707,000 108,182,000 87,037,000 -36,873,000  109,845,000 46,734,000 -129,134,000    -173,500,000 -54,062,000 141,159,000 14,178,000 -15,515,000 89,975,000 94,509,000 27,500,000 -2,234,000 -86,030,051 6,728,000 52,937,000 26,503,000 22,223,000 
          capital expenditures
        -37,000,000 -37,300,000 -33,500,000 -34,100,000 -45,000,000 -41,400,000 -53,300,000 -48,800,000 -43,800,000 -50,000,000 -78,100,000 -38,300,000 -37,200,000 -29,500,000 -97,200,000 -41,600,000 -58,800,000 -116,684,000 -76,425,000 -37,428,000 -67,663,000 -35,127,000 -30,323,000 -41,928,000 -19,805,000 -51,027,000 -23,315,000 -20,615,000 -30,619,000 -29,701,000 -34,316,000 -33,889,000 -65,713,000 -60,671,000 -45,536,000 -75,686,000 -51,172,000 -46,090,000 -67,588,000 -41,382,000 -46,151,000 -44,176,000 -36,155,000 -46,767,000 -56,502,000 -41,344,000 -30,079,000 -38,391,000 -29,810,000 -59,337,000 -40,152,000 -34,504,000 -11,958,000 -22,819,000 -23,236,000 -22,074,000 -90,587,000 -23,615,000 -12,658,000 -7,766,000 -7,229,000 -8,002,000 -7,639,000 -20,407,000 -14,782,000 -18,930,000 -35,756,000 -67,607,000  -18,707,000 -18,361,000 -22,389,000    -23,376,000 -30,512,000 -14,635,000 -15,345,000 -21,737,000 -31,111,000 -27,445,000 -24,483,000 -21,338,000 58,271,925 -23,357,000 -16,937,000 -18,074,000 -22,865,000 
          free cash flows
        -1,500,000 29,600,000 134,400,000 102,700,000 150,800,000 46,300,000 34,500,000 -185,200,000 26,300,000 -169,900,000 45,000,000 -23,200,000 -71,200,000 -268,800,000 241,900,000 12,200,000 193,700,000 -76,768,000 224,617,000 -162,316,000 22,567,000 -27,044,000 14,925,000 233,018,000 -67,003,000 145,533,000 7,898,000 16,855,000 -124,948,000 -41,499,000 83,049,000 -50,603,000 -10,891,000 34,578,000 -32,128,000 3,789,000 -76,337,000 88,724,000 -64,509,000 62,258,000 -108,100,000 33,155,000 -26,102,000 -2,711,000 -51,394,000 60,558,000 -84,274,000 111,926,000 -88,321,000 29,500,000 -142,880,000 -82,404,000 -51,126,000 -62,865,000 39,070,000 84,916,000 -66,207,000 16,983,000 9,741,000 17,746,000 166,530,000 -46,374,000 169,371,000 90,852,000 146,455,000 -52,489,000 89,252,000 51,281,000 -104,480,000  91,138,000 28,373,000 -151,523,000    -196,876,000 -84,574,000 126,524,000 -1,167,000 -37,252,000 58,864,000 67,064,000 3,017,000 -23,572,000 -27,758,126 -16,629,000 36,000,000 8,429,000 -642,000 
          cash flows from investing activities:
                                                                                                  
          purchases of land, property and equipment
        -37,000,000 -37,300,000 -33,500,000 -34,100,000 -45,000,000 -41,400,000 -53,300,000 -48,800,000 -43,800,000 -50,000,000 -78,100,000 -38,300,000 -37,200,000 -29,500,000 -97,200,000 -41,600,000 -58,800,000 -116,684,000 -76,425,000 -37,428,000 -67,663,000 -35,127,000 -30,323,000 -41,928,000 -19,805,000 -51,027,000 -23,315,000 -20,615,000 -30,619,000 -29,701,000 -34,316,000 -33,889,000 -65,713,000 -60,671,000 -45,536,000 -75,686,000 -51,172,000 -46,090,000 -67,588,000 -41,382,000 -46,151,000 -44,176,000 -36,155,000 -46,767,000 -56,502,000 -41,344,000 -30,079,000 -38,391,000 -29,810,000 -59,337,000 -40,152,000 -34,504,000 -11,958,000 -22,819,000 -23,236,000 -22,074,000 -90,587,000                                  
          proceeds from sales of property and equipment
        18,500,000 32,600,000 31,900,000 7,600,000 9,500,000 4,900,000 23,300,000 23,000,000 4,400,000 2,700,000 300,000 4,800,000 14,000,000 5,700,000 3,100,000 6,900,000 6,905,000 5,456,000 -173,000 912,000 15,617,000 21,325,000 -31,000 194,000 45,000 8,495,000 1,176,000 1,125,000 6,264,000 706,000 10,406,000 2,178,000 101,000 121,000 170,000 269,000 163,000 118,000 769,000 141,000 481,000 140,000 635,000 7,716,000 2,452,000 96,000 416,000 85,000 172,000 1,623,000 660,000 459,000 312,000 439,000 -70,000 284,000 235,000 893,000 127,000 -41,000 4,221,000 -154,000 1,516,000 435,000 4,139,000 1,533,000 338,000 285,000 31,339,343,000 13,274,000 16,122,000 261,000 8,257,000 5,630,000 17,715,000 9,096,000 12,787,000 826,000 6,748,000 6,074,000 33,550,000 11,134,000 6,124,000 15,066,000 -25,925,090 18,311,000 5,035,000 2,629,000 10,642,000 
          proceeds from sales of dealerships
        40,200,000    4,800,000   -100,000       2,728,000 74,000   835,000 9,692,000   120,625,000 8,749,000 -363,000 121,700,000 6,875,000 -545,000 114,943,000 7,461,000        6,728,000   23,432,000 24,156,000     20,367,000                                1,985,000 30,000 30,462,000      
          net cash from investing activities
        21,700,000 -4,700,000 -72,400,000 -386,400,000 -35,500,000 -91,300,000 -25,200,000 -22,400,000 -39,400,000 -47,300,000 -78,200,000 14,300,000 -107,500,000 -23,600,000 -157,300,000 -38,500,000 -80,300,000 -1,059,813,000 -108,438,000 -53,581,000 -75,568,000 -38,422,000 694,000 -42,845,000 -19,611,000 70,448,000 -6,071,000 -19,802,000 92,206,000 -16,562,000 -34,155,000 91,460,000 -56,074,000 -114,602,000 -45,415,000 -75,516,000 -50,903,000 -61,788,000 -67,845,000 -40,238,000 -39,282,000 -43,695,000 -34,540,000 -46,132,000 -60,933,000 -27,451,000 -29,983,000 -126,159,000 -29,225,000 -59,165,000 -18,162,000 -9,524,000 9,164,000 -22,507,000 -22,797,000 -22,149,000 -89,569,000 -40,844,000 -8,206,000 -2,307,000 -7,303,000 1,429,000 -5,994,000 14,854,000 -19,972,000 3,293,000 -17,751,000 -28,435,000 -72,448,000 -195,427,709,000 -11,022,000 -140,251,000 -37,018,000 1,604,000 -26,077,000 -15,523,000 -77,964,000 -53,762,000 -8,007,000 -44,353,000 -25,769,000 2,434,000 -107,263,000 -60,835,000 -34,379,000 61,073,411 -27,909,000 -2,917,000 -30,336,000 -18,730,000 
          cash flows from financing activities:
                                                                                                  
          net borrowings on notes payable - floor plan - non-trade
        -16,900,000 -214,800,000 -70,300,000 370,400,000 -70,900,000  -86,700,000 165,200,000 21,100,000                                                                    273,354,000              
          borrowings on revolving credit facilities
        2,000,000 14,500,000 82,900,000 10,200,000 15,200,000 46,700,000 15,600,000         -6,000 4,906,000 460,916,000 123,126,000 56,127,000 177,050,000 126,185,000 180,705,000 223,347,000 213,112,000 301,803,000 209,651,000 32,504,000 11,513,000 26,012,000 28,067,000 78,431,000 76,777,000 92,684,000 70,737,000 118,138,000 120,534,000 81,944,000 38,418,000 75,619,000 72,296,000 37,964,000 45,819,000 37,683,000 105,246,000 62,392,000 20,016,000 63,515,000 41,752,000 122,735,000 40,000,000 23,426,000 102,866,000 205,123,000 226,596,000 187,706,000 162,903,000 231,999,000 308,230,000 1,057,058,727,000 314,374,000 280,454,000 261,445,000 128,543,000 130,823,000                
          repayments on revolving credit facilities
        -2,000,000 -14,500,000 -82,900,000 -10,200,000 -15,200,000 -46,700,000 -15,600,000         6,000 -4,906,000 -210,000,000 -250,916,000 -123,126,000 -56,127,000 -177,050,000 -126,185,000 -194,231,000 -227,217,000 -295,716,000 -276,803,000 -74,651,000 -32,504,000 -11,513,000 -26,012,000 -28,067,000 -82,121,000 -77,290,000 -91,727,000 -76,489,000 -109,140,000 -120,534,000 -91,723,000 -28,639,000 -75,619,000 -72,296,000 -37,964,000 -51,995,000 -31,507,000 -105,246,000 -62,392,000 -38,016,000 -45,515,000 -41,752,000 -122,735,000 -40,000,000 -43,999,000 -162,304,000 -224,998,000 -197,552,000 -186,035,000 -208,400,000 -263,202,000 -232,359,000 -1,007,216,141,000 -302,505,000 -222,910,000 -259,444,000 -136,112,000 -173,388,000                
          proceeds from borrowings
        150,000,000                                                                                          
          debt issuance costs
        -1,200,000 -200,000 -400,000 -100,000 -800,000 -2,500,000 -300,000 -500,000 -4,900,000 -100,000 -300,000 -1,300,000 -7,600,000 -200,000 -100,000 -200,000 -18,325,000 -137,000 -4,613,000 -25,000 -566,000 -863,000 -1,228,000 -24,000 -1,450,000 21,000   5,000 -18,000 28,000 -159,000 -161,000 -290,000 -4,222,000 -2,868,000 77,000 -141,000 -152,000     -3,000  -237,000                                          
          principal payments of long-term debt
        -38,300,000 -25,400,000 -31,500,000 -51,500,000 -18,400,000 -106,900,000 -13,300,000 -22,600,000 -22,000,000 -8,400,000 -8,400,000 -43,600,000 -19,500,000 -91,400,000 -17,400,000 -8,900,000 -15,800,000 -15,325,000                                                                         
          principal payments of long-term lease liabilities
        -2,900,000  -2,700,000 -2,700,000 -2,500,000  -2,800,000 -2,000,000 -2,100,000  -7,000,000 -2,500,000 -2,200,000  -3,300,000 -2,200,000 -900,000  -1,003,000 -1,176,000 -930,000  -438,000 -19,283,000 -337,000                                                                  
          purchases of treasury stock
        -135,700,000 -38,300,000 -8,800,000 -35,300,000 -7,300,000 -100,000 -27,000,000 -100,000 -86,800,000 -90,700,000 -16,700,000 -152,100,000 -59,400,000 -33,700,000 -26,299,000 -24,788,000 -46,000 -42,167,000 -14,628,000 -29,285,000 -6,522,000 -21,286,000 -48,000 -2,333,000 -642,000 -19,000 -23,449,000 -11,399,000 -21,952,000 -3,996,000 -2,485,000 -9,982,000 -13,089,000 -74,415,000 -2,443,000 -17,274,000 -3,643,000 -11,123,000 -13,510,000 -28,381,000 -2,587,000 -319,000 -5,041,000 -9,120,000 -66,553,000 -1,830,000 -1,799,000 -1,875,000 -5,210,000 1,000 -3,903,000     -30,000 -31,000 -12,000 -4,583,000 -3,925,000 -20,128,000 -48,830,577,000 -28,049,000 -4,664,000 -1,710,000 -2,427,000 -592,000 -10,534,000 -1,503,000 -649,000 -3,431,000 -1,504,000         
          issuance of shares under stock compensation plans
         400,000 100,000 900,000 1,100,000 3,100,000 600,000 1,100,000 1,600,000 2,400,000 7,600,000 200,000 7,200,000 900,000 400,000 186,000 749,000     1,000 1,000 59,000 -1,000 2,000 351,000   18,000 3,000 5,000 1,000 1,823,000 -293,000 251,000 1,881,000 722,000 25,000 1,105,000 48,000 290,000 728,000 845,000 482,000 1,000,000 121,000 188,000 -312,000 648,000 553,000 12,000 1,001,000 175,000    94,000 2,000 4,928,000 219,000 13,430,828,000 809,000 4,505,000 7,858,000       2,845,000 2,314,000 2,088,000 1,894,000 9,395,000 2,407,000 -8,084,298 4,554,000 2,796,000 749,000 989,000 
          dividends paid
        -12,800,000 -13,000,000 -12,000,000 -11,900,000 -11,900,000 -10,200,000 -10,200,000 -10,200,000 -10,200,000 -9,800,000 -10,000,000 -10,000,000 -10,200,000 -9,300,000 -10,200,000 -10,100,000 -4,900,000 -4,985,000 -5,005,000 -4,127,000 -4,183,000 -4,239,000 -4,311,000 -4,269,000 -4,314,000 -4,314,000 -4,312,000 -4,302,000 -2,565,000 -2,562,000 -2,560,000 -2,545,000 -2,160,000 -2,210,000 -2,244,000 -2,237,000 -2,243,000 -2,283,000 -2,302,000 -1,873,000 -1,254,000 -1,268,000 -1,283,000 -1,273,000 -1,298,000 -1,316,000 -1,320,000 -1,321,000   -2,754,000 -2,673,000 -1,334,000 -1,317,000 -1,325,000 -1,324,000 -1,320,000     33,000 4,000 -33,000 -4,864,000 -4,707,000 -4,911,000 -4,224,000 -5,264,000 -20,915,268,000 -5,295,000 -5,227,000 -5,210,000 -5,174,000 -5,123,000 -5,092,000 -5,017,000 -5,025,000 -5,035,000 -5,014,000 -5,003,000 -4,979,000 -4,109,000 -4,157,000 -4,120,000      
          net cash from financing activities
        -57,800,000 -145,300,000 -116,500,000 295,400,000 -139,700,000 30,100,000 -112,200,000 210,900,000 -44,500,000 161,500,000 -130,000,000 -69,900,000 72,500,000 353,100,000 -369,900,000 -48,400,000 -111,400,000 1,099,228,000 -212,139,000 340,853,000 -107,742,000 74,913,000 -35,927,000 -298,157,000 219,486,000 -240,306,000 -24,881,000 -18,250,000 -1,009,000 26,632,000 -83,782,000 -75,755,000 4,063,000 28,352,000 29,822,000 -502,000 76,235,000 -72,504,000 64,795,000 -64,637,000 102,363,000 -34,695,000 24,081,000 1,852,000 58,343,000 -75,786,000 78,201,000 -18,355,000 86,679,000 -28,796,000 61,784,000 61,419,000 30,451,000 36,459,000 -22,515,000 -82,183,000 51,702,000 35,080,000 -34,649,000 -222,038,000 17,035,000   -108,796,000 -153,247,000 34,045,000 -94,472,000 -52,333,000 97,919,000 165,219,163,000 -95,293,000 91,673,000 167,457,000  -191,094,000 -33,240,000 250,809,000  -134,977,000 32,479,000 37,267,000 -82,418,000 12,754,000 -6,140,000 -5,994,000 653,146 24,061,000 -34,517,000 9,825,000 2,933,000 
          net increase in cash and cash equivalents
        -600,000 -83,100,000 -21,000,000 45,800,000 20,600,000       -40,500,000 -69,000,000 90,200,000 -188,100,000 -33,100,000 60,800,000 79,331,000 -19,535,000 162,384,000 -93,080,000 44,574,000 10,015,000 -66,056,000 152,677,000 26,702,000 261,000 -582,000 -3,132,000 -1,728,000 -572,000 -1,009,000 2,811,000 8,999,000 -2,185,000 3,457,000 167,000 522,000 29,000 -1,235,000 1,132,000 -1,059,000 -406,000 -224,000 2,518,000 -1,335,000 -5,977,000 5,803,000 -1,057,000 876,000 -59,106,000 3,995,000 447,000 -26,094,000   -13,487,000    184,028,000     -369,000   -11,402,000                      
          cash and cash equivalents, beginning of year
        6,300,000 44,000,000 28,900,000 229,200,000 299,400,000 -13,000 170,313,000 29,103,000 5,854,000 6,352,000 3,108,000    3,625,000 4,182,000 3,371,000 1,913,000 1,913,000                16,514,000                      
          cash and cash equivalents, end of period
        5,700,000  -21,000,000 45,800,000 64,600,000  -49,600,000 52,100,000 15,100,000  -85,100,000 -40,500,000 160,200,000  -188,100,000 -33,100,000 360,200,000  -19,535,000 162,384,000 77,233,000  10,015,000 -66,056,000 181,780,000  261,000 -582,000 2,722,000  -572,000 -1,009,000 9,163,000 8,999,000 -2,185,000 6,565,000  522,000    -1,059,000 -406,000 3,958,000 2,518,000 -1,335,000         16,994,000 2,658,000 8,355,000  -9,499,000 -193,941,000 214,063,000  -4,549,000 4,549,000 614,000  -4,041,000    3,530,000 -1,844,000 14,001,000                  
          supplemental disclosures of cash flow information:
                                                                                                  
          cash paid during the period for:
                                                                                                  
          interest, including amounts capitalized
        33,500,000  34,200,000 59,100,000 33,900,000  41,000,000 60,600,000 34,300,000  30,800,000 57,700,000 26,500,000                                                                              
          income taxes
         11,400,000 81,300,000 7,400,000 700,000 -15,500,000 11,000,000 40,400,000 -200,000 12,900,000 26,900,000 46,900,000 -400,000 31,100,000 36,200,000 58,900,000 100,000 13,027,000 31,396,000 54,759,000 -382,000 5,389,000 51,376,000 76,000 3,000 16,123,000 15,324,000 31,028,000 10,277,000 2,261,000 14,274,000   18,088,000 12,561,000 103,000 1,537,000 16,047,000 10,500,000 375,000 16,756,000 13,950,000 8,435,000 -667,000 16,247,000 10,570,000 400,000 1,453,000 17,620,000 10,685,000 2,884,000 24,755,000 6,243,000 1,389,000 12,108,000 5,777,000 1,097,000 -1,809,000 1,152,000 -16,318,000 -123,000 44,736,000 591,000 -10,923,000 -10,897,000 547,000 887,000 11,208,000 709,000 46,645,302,000 18,626,000 12,195,000 6,877,000                  
          gain on acquisition of equity interest
                                                                                                  
          gain on disposal of dealerships and property and equipment
                1,500,000 -300,000 2,100,000                      -1,216,000   -39,000 -86,000 -96,000 -1,000 -148,000                                                   
          notes payable - floor plan - trade
                            -46,457,000 42,099,000 -60,085,000 -224,081,000 -33,579,000 118,351,000 -10,719,000 -9,851,000 -57,984,000 70,562,000 6,012,000 -30,787,000 -28,951,000 -83,296,000 -11,648,000 -36,634,000 87,650,000 -24,243,000 -24,281,000 -82,055,000 131,435,000 -1,492,000 113,946,000 -62,041,000 80,951,000 -73,459,000  -14,971,000 54,249,000 -42,117,000  34,126,000     -17,047,000       -20,784,000 -30,229,000    28,312,000  -20,269,000      -121,488,000              
          purchase of businesses, net of cash acquired
                         -952,762,000 -37,543,000 -19,778,000 -8,817,000                       -35,579,000 -12,715,000                   -16,000 -201,000 -554,000 -22,174,000 -212,260,329,000 -51,562,000 -143,510,000 -16,599,000 -10,997,000 -21,110,000 -8,999,000 -69,265,000  -315,000 -40,473,000 -11,841,000 -5,000 -92,937,000 -42,506,000 -58,569,000 53,521,186 -23,520,000 -9,994,000 -20,076,000 -8,309,000 
          proceeds from issuance of long-term debt
                       1,150,000,000    4,745,000       112,000 20,960,000 5,961,000 12,603,000 269,855,000 3,803,000 23,183,000 42,654,000 33,755,000 4,000,000 19,000,000 20,457,000 25,618,000 4,034,000 -1,000 27,933,000 306,560,000 19,200,000 15,000,000 10,700,000 10,700,000   53,950,000                                 
          reduction of finance lease liabilities
                                                                                                  
          cash and cash equivalents, end of year
                                               2,390,000       -5,977,000 5,803,000 -1,057,000 4,247,000 -59,106,000 5,908,000 2,360,000                5,112,000                      
          interest, including amount capitalized
                     48,200,000 16,100,000 41,900,000 10,700,000 11,375,000 16,390,000 10,495,000 19,140,000 12,425,000 21,973,000 9,580,000 25,359,000 25,686,000 25,375,000 26,198,000 26,945,000 24,754,000 25,017,000 24,995,000 23,360,000 22,626,000 21,602,000 23,295,000 20,140,000 19,573,000 19,357,000 18,219,000 17,634,000 17,869,000 18,343,000 17,482,000 17,509,000 17,463,000 15,077,000 20,099,000 16,842,000 29,608,000 12,899,000 40,408,000 23,172,000 17,679,000 25,182,000 18,990,000 25,801,000                                  
          purchases of businesses, net of cash acquired
          -80,400,000        -75,100,000  -65,800,000 -28,400,000                                                                          
          net (repayments) borrowings on notes payable - floor plan - non-trade
                     152,900,000 -193,900,000   311,467,000 -186,173,000 365,775,000 -51,469,000 110,041,000 14,876,000 -105,344,000 41,223,000 -26,015,000 -10,371,000 -8,198,000 9,841,000 56,431,000 -63,698,000 15,126,000 -3,991,000 -78,696,000 47,421,000 -43,699,000 86,734,000 -66,663,000 46,355,000 -16,440,000 103,443,000 -23,977,000 3,982,000 -9,199,000 81,828,000 -45,743,000                                             
          net decrease in cash and cash equivalents
                -13,800,000                                                  -9,499,000    -4,549,000 4,549,000 -6,357,000                          
          repurchase of debt securities
                                         -210,914,000           1,000 -8,000   -29,995,000  -11,991,000    -16,000,000 -20,000,000                           192,198,610    -26,926,000 
          net borrowings (repayments) on notes payable - floor plan - non-trade
                  -19,400,000 -15,900,000 188,800,000                                                                              
          net repayments on notes payable - floor plan - non-trade
                        -56,300,000                                                                          
          proceeds from company-owned life insurance
                                                                                                  
          provision for bad debt expense
                           257,000 91,000 203,000 180,000 211,000 134,000 245,000 72,000 46,000 159,000 161,000 87,000          276,000   -2,000   124,000 59,000 47,000 19,000 106,000 301,000 91,000 380,000 218,000 154,000 111,000 693,000 154,000 270,000 332,000 236,000 577,000 416,000 262,000  812,000 425,000 835,000                      
          net distributions from equity investee
                           -433,000 171,000 -221,000 -151,000 17,000 448,000 -151,000 -155,000 -174,000 379,000 -204,000 -183,000 330,000 -168,000 -173,000 -147,000 337,000 -177,000 -158,000                                                     
          principal payments and repurchase of long-term debt
                           -21,725,000 -8,968,000 -18,592,000 -15,905,000 -4,646,000 -5,777,000 -23,045,000 -5,514,000 -5,704,000 -6,011,000 -13,716,000 -12,993,000 -5,855,000 -12,489,000 -20,143,000 -5,762,000 -5,289,000 -5,214,000                                                      
          other amortization
                                 1,000 1,000 2,000 1,000 154,000 153,000 154,000 156,000 162,000 163,000 162,000 162,000 162,000 163,000 162,000 162,000 162,000 163,000 162,000 178,000 207,000 391,000 390,000 390,000 390,000 391,000 780,000 390,000 1,632,000 415,000 417,000 414,000 414,000 414,000 414,000 414,000 414,000 414,000 414,000 414,000 946,000 311,000 321,000 334,000 1,155,171,000 292,000 271,000 266,000 136,000 390,000 117,000 72,000 294,000   70,000          
          loss on exit of leased dealerships
                                 -170,000 -988,000 133,000          363,000   503,000  -896,000 584,000 726,000 817,000 788,000 824,000 1,450,000 3,321,000 189,000 -222,000 3,372,000 1,045,000 1,945,000 -445,000 1,305,000 1,461,000 25,502,000 5,426,000 1,139,000 946,000 1,597,000 14,793,000 365,000 1,282,000 2,274,432,000    4,499,000 185,000                
          loss on retirement of debt
                                                      3,000   -185,000 2,578,000  276,000    406,000                           -13,914,072     
          supplemental schedule of non-cash financing activities:
                                                                                                  
          effect of cash flow hedge instruments
                             284,000 25,000 -255,000 -272,000 -407,000                                                                 
          debt discount amortization, net of premium amortization
                                         58,000 35,000 64,000 77,000 76,000 77,000 73,000 72,000 44,000 47,000 36,000 24,000 14,000 -1,000 -50,000 -34,000 -26,000 -32,000 2,441,000 1,309,000 1,247,000 1,336,000 1,301,000 1,274,000 1,323,000 1,199,000 1,407,000 1,266,000 1,798,000 3,412,000 3,754,000 2,791,000 289,000 236,000 246,000 237,000 806,412,000 211,000 199,000 178,000         -31,000         
          change in fair value of interest rate swap and interest rate cap agreements
                                   -1,412,000 -1,861,000  388,000 871,000 2,914,000                                                          
          income tax benefit associated with stock compensation plans
                                                1,472,000   394,000   244,000 50,000 358,000 204,000 1,268,000 1,573,000 1,341,000 629,000 480,000 165,000 498,000 -648,000 41,000 377,000 218,000     -588,000 1,181,000 14,000 3,143,602,000 301,000 975,000 2,122,000 7,723,000 -270,000   529,000 403,000 418,000 154,000 921,000 298,000 3,373,000 678,000 -1,997,610 1,363,000 579,000 61,000 3,035,000 
          change in fair value of interest rate swap and rate cap agreements
                                                                                                  
          benefit from bad debt expense
                                        111,000   399,000 129,000 12,000 107,000 141,000                              3,166,431,000 684,000 -525,000 2,410,000 1,582,000 1,854,000 5,594,000 180,000              
          gain on exit of leased dealerships
                                        5,070,000   614,000 277,000 1,248,000 270,000 -409,000                                                   
          gain on retirement of debt
                                                                                                 -1,712,000 
          cash paid (received) during the period for:
                                                                                                  
          depreciation and amortization of property, plant and equipment
                                         22,685,000 21,910,000 21,152,000 20,234,000 19,927,000 18,903,000 18,468,000 17,845,000 17,247,000 17,293,000 16,408,000  14,233,000 14,999,000 13,773,000 13,142,000 12,133,000 11,901,000 22,542,000 11,133,000 10,566,000 10,317,000 9,758,000 9,966,000 9,354,000 8,705,000 8,723,000 8,510,000 11,186,000 8,343,000 8,829,000 7,733,000 9,960,000 9,049,000 9,336,000 8,033,000 27,417,742,000 5,599,000 8,644,000 6,015,000                  
          income tax benefit (expense) associated with stock compensation plans
                                            -1,510,000 -737,000 13,000 -377,000                                                   
          change in fair value of interest rate swap and rate cap agreements (net of tax expense of
                                                                                                  
          1,099 and benefit of 1,322 in the nine months ended september 30, 2017 and 2016, respectively)
                                                                                                  
          change in fair value of cash flow interest rate swap agreements (net of tax expense of 815
                                                                                                  
          and benefit of 2,916 in the six months ended june 30, 2017 and 2016, respectively)
                                                                                                  
          (gain) loss on retirement of debt
                                           14,607,000                                                       
          change in fair value of cash flow interest rate swap agreements (net of tax expense of 799
                                                                                                  
          and benefit of 1,853 in the three months ended march 31, 2017 and 2016, respectively)
                                           1,303,000                                                       
          change in fair value of cash flow interest rate swap agreements (net of tax expense of 2,178,
                                                                                                  
          205 and 1,769 in the years ended december 31, 2016, 2015 and 2014, respectively)
                                                                                                  
          cash and cash equivalents, beginning of period
                                                             21,842,000  30,035,000  6,971,000     12,696,000                  
          change in fair value of cash flow interest rate swap agreements (net of tax benefit of 1,322 and
                                                                                                  
          1,623 in the nine months ended september 30, 2016 and 2015, respectively)
                                                                                                  
          principal payments on long-term debt
                                              -5,010,000 -4,623,000 -5,144,000 -5,131,000 -4,703,000 -4,446,000 -4,348,000 -7,197,000 -3,701,000 -9,254,000 -3,387,000 -3,084,000 -2,937,000 -5,162,000 -2,547,000 -2,479,000 -13,727,000 -2,368,000 -1,844,000 -1,689,000 -1,593,000 -1,542,000 -1,538,000                              
          change in fair value of cash flow interest rate swap agreements (net of tax benefit of 2,916 and
                                                                                                  
          19 in the six months ended june 30, 2016 and 2015, respectively)
                                                                                                  
          equity interest in earnings of investee
                                               -189,000 -210,000 -135,000 -111,000 -32,000 -62,000 -80,000 -95,000 -108,000 -124,000 -79,000                         -260,000 -277,000 -187,000             
          distributions from equity investee
                                               375,000                                            
          change in fair value of cash flow interest rate swap agreements (net of tax benefit of 1,853 and
                                                                                                  
          566 in the months ended march 31, 2016 and 2015, respectively)
                                               -3,025,000                                                   
          stock - based compensation expense
                                                2,405,000 2,666,000 2,351,000 2,392,000 1,472,000 2,022,000  2,303,000    122,000     107,000       188,000 108,000    1,387,000  1,789,000                    
          change in fair value of cash flow interest rate swap agreements (net of tax benefit of 205 and
                                                                                                  
          expense of 1,769 and 6,514 in the years ended december 31, 2015, 2014 and 2013, respectively)
                                                                                                  
          change in fair value of cash flow hedging instruments (net of tax benefit of 1,623 and
                                                                                                  
          expense of 1,985 in the nine months ended september 30, 2015 and 2014, respectively)
                                                                                                  
          change in fair value of cash flow hedging instruments (net of tax benefit and expense of
                                                                                                  
          19 and 451 in the six months ended june 30, 2015 and 2014, respectively)
                                                                                                  
          change in fair value of cash flow hedging instruments (net of tax expense of 1,769, 6,514
                                                                                                  
          and 1,035 in the years ended december 31, 2014, 2013 and 2012, respectively)
                                                                                                  
          issuance of common stock as consideration for extinguishment of debt securities
                                                                                                 
          change in fair value of cash flow hedging instruments (net of tax expense of
                                                                                                  
          1,985 and 5,083 in the nine-month periods ended september 30, 2014 and 2013, respectively)
                                                                                                  
          change in fair value of cash flow hedging instruments
                                                      2,335,000 217,000 6,290,000 1,787,000 1,770,000 39,000 1,741,000 1,168,000 -2,629,000 -3,065,000 2,034,000 5,020,000 -1,365,000 -856,000 868,000 1,766,000 -2,182,000 -4,380,000 16,290,000 -21,483,000 -270,000 13,465,000 -13,547,000 -14,795,070,000 -8,294,000   -55,000 35,000 142,000 330,000 117,000 659,000  4,385,000        
          stock — based compensation expense
                                                            107,000 111,000 110,000     136,000 164,000 166,000                             
          notes payable — floor plan — trade
                                                            20,552,000 43,833,000 -13,050,000     37,636,000 195,202,000 33,625,000                             
          net (repayments) borrowings on notes payable — floor plan — non-trade
                                                                                                  
          cash paid during the year for:
                                                                                                  
          net (repayments) borrowings on notes payable floor plan - non-trade
                                                       -35,247,000 27,974,000 -30,548,000  88,324,000     3,673,000                                  
          amortization of restricted stock, net of forfeitures
                                                         1,127,000 1,213,000 2,465,000 1,023,000                                      
          non-cash adjustments - cash flow swaps
                                                         -195,000  -105,000     -178,000                                  
          valuation allowance — deferred income taxes
                                                                                                  
          non-cash adjustments — cash flow swaps
                                                                                                  
          distributions from equity investees
                                                          700,000 700,000 600,000      600,000 899,100,000 900,000    600,000              
          net (repayments) borrowings on notes payable floor plan — non-trade
                                                            23,090,000                                      
          income tax benefit associated with convertible hedge
                                                                 34,000 71,000 68,000 66,000 -149,000 3,285,000 588,000 569,000 495,000 563,000 541,000 521,000 1,912,584,000 487,000 472,000 457,000                  
          equity interest in earnings of investees
                                                           -227,000 -101,000 -141,000   -143,000 -167,000 -171,000 -219,000 -195,000 -212,000 -173,000 -171,000 -157,000 -120,000 -59,000 -62,000 -158,000 -644,501,000 -185,000 -155,000 -159,000              807,000    
          proceeds from sale of dealerships
                                                           23,620,000 19,963,000                                 -24,794,610 657,000 18,979,000 5,185,000 1,802,000 
          non—cash adjustments — cash flow swaps
                                                            -22,000  313,000                                    
          derivative liability fair value adjustments
                                                                                                  
          settlement of cash flow swaps
                                                                     -16,454,000                          
          issuance of common stock
                                                                     -547,000                             
          amortization of restricted stock
                                                              943,000 854,000 551,000 528,000 534,000 598,000 641,000 -291,000 600,000 491,000 711,000 1,074,000 1,758,000 1,376,000 1,072,000 3,310,155,000 934,000 1,209,000 702,000                  
          loss on disposal of franchises and property and equipment
                                                              108,000 124,000 11,000 -271,000 -382,000 -575,000 -21,000 -578,000 -32,000 -198,000 4,000  -66,000                        
          proceeds from sale of franchises
                                                              -5,000 134,000 76,000 13,916,000 10,224,000 504,000 4,437,000 2,162,000   13,952,000 -153,000 7,537,000 16,467,000                      
          net repayments on notes payable floor plan — non-trade
                                                              24,144,000                                    
          proceeds from issuance of mortgage notes
                                                                                                  
          equity interest in earnings of invested
                                                                                                  
          restricted stock forfeiture
                                                                     -72,000   -1,254,000 -24,000 -41,000 -41,000 -2,424,574,000 -882,000 -16,000 -1,528,000                 
          interest, net of amount capitalized
                                                                 18,820,000 26,305,000 21,810,000 26,663,000 20,304,000 36,639,000 23,850,000 29,627,000 26,413,000 29,532,000 25,357,000 32,701,000 113,746,873,000 28,147,000 27,338,000 31,642,000                  
          derivative fair value adjustments
                                                                                                  
          purchase of property and equipment
                                                                  -23,615,000 -12,658,000 -7,766,000                              
          proceeds from long-term debt
                                                                  -6,000 144,000 209,839,000 11,712,000    39,150,000           156,001,000 -1,000   1,000   -194,117,369 194,333,000 9,000 47,000 -568,000 
          increase in restricted cash
                                                                                                  
          purchase of treasury stock
                                                                  -24,000 -266,000 -783,000                              
          issuance of common stock related to private placement
                                                                                                  
          issuance of shares related to debt refinance
                                                                      -1,000                            
          net (repayments) borrowings on notes payable floor plan — non-trade borrowings on notes payable floor plan — non-trade
                                                                    -190,942,000                              
          discontinuance of cash flow swaps
                                                                                                  
          purchases of property and equipment
                                                                     -7,229,000 -8,002,000 -7,639,000 -20,407,000 -14,782,000 -18,930,000 -35,756,000 -67,626,000 -78,235,408,000 -19,775,000 -18,237,000 -21,580,000 -18,765,000 -26,064,000 -31,275,000 -23,744,000 -30,512,000 -14,044,000 -15,345,000 -21,737,000 -31,111,000 -27,445,000 -24,483,000 -21,338,000 58,271,925 -23,357,000 -16,937,000 -18,074,000 -22,865,000 
          derivative liability – 6.0% convertible notes, fair value adjustments
                                                                                                  
          net borrowings on notes payable floor plan — non-trade
                                                                                                  
          payments on long-term debt
                                                                      -144,414,000 -17,113,000 -1,421,000 3,459,000 -6,006,000 -894,000 -907,000 -2,156,420,000 -673,000 -430,000 -477,000 -452,000 -450,000 -521,000 -466,000 -617,000 -500,000 -413,000 -564,000 -722,000 -741,000 -676,000 -398,000 2,266,253 -1,534,000 -356,000 -385,000 3,414,000 
          net cash provided used in financing activities
                                                                                                  
          net borrowings on notes payable floor plan - non-trade
                                                                       -75,039,000 -160,184,000    47,593,000  -74,742,000                    
          stock—based compensation expense
                                                                         109,000 323,000      1,058,000                  
          valuation allowance—deferred income taxes
                                                                                                  
          gain on disposal of franchises and property and equipment
                                                                                                  
          notes payable—floor plan—trade
                                                                                -131,700,000                  
          net (repayments) borrowings on notes payable floor plan—non-trade
                                                                                                  
          impairment of favorable lease asset
                                                                          1,903,000                      
          impairment of franchise agreements
                                                                          13,400,000   3,096,900,000 1,850,000 1,250,000                  
          impairment of property and equipment and other assets
                                                                          19,730,000                        
          net borrowings on notes payable floor plan—non-trade
                                                                          -73,188,000      162,416,000                  
          supplemental schedule of non-cash investing activities:
                                                                                                  
          adoption of fin 48
                                                                                                  
          impairment of property and equipment
                                                                            623,000 2,929,338,000 2,150,000 259,000 253,000     1,068,000             
          (gain) on disposal of franchises and property and equipment
                                                                            -798,000                      
          change in accrual for purchases of property and equipment
                                                                            19,000 -568,135,000 1,068,000 -124,000 -809,000    368,000  -591,000            
          (gain)/loss on disposal of franchises and property and equipment
                                                                             1,144,984,000 55,000 -14,000 -25,000                  
          net cash provided by/(used in) operating activities
                                                                                                  
          purchase of convertible note hedge and warrants
                                                                                                  
          net (decrease) / increase in cash and cash equivalents
                                                                                                  
          adoption of sab 108
                                                                                                  
          restricted stock issuance
                                                                                 1,407,000 -905,000 1,404,000 2,212,000 103,000            
          proceeds from sale of franchises and businesses
                                                                                                  
          adoption of fin no. 48
                                                                              -17,164,000 8,582,000                  
          loss/(gain) on exit of leased dealerships
                                                                               582,000 -40,000                  
          net increase / (decrease) in cash and cash equivalents
                                                                               -1,844,000 1,305,000                  
          net borrowings/(repayments) on notes payable floor plan—non-trade
                                                                                                  
          net cash provided by/(used in) financing activities
                                                                                                  
          long-term debt assumed in purchase of business, including premium of 7,254
                                                                                                  
          adjustments to reconcile net income to net cash used by operating activities:
                                                                                                  
          debt issue cost amortization
                                                                                  268,000 296,000 212,000  100,000 99,000 100,000          
          debt discount / (premium) amortization
                                                                                  178,000 169,000 158,000  -18,000 -23,000 -28,000          
          loss / (gain) on disposal of assets, including franchises
                                                                                  -2,179,000                
          impairment of property, equipment and franchise assets
                                                                                  543,000 9,100,000 3,502,000              
          floor plan notes payable - trade
                                                                                  -61,350,000                
          proceeds from sales of franchises
                                                                                  15,467,000 7,036,000 5,349,000 49,594,000 5,526,000 4,717,000 1,735,000          
          debt issuance cost
                                                                                  -2,776,000              
          net borrowings on floor plan notes payable - non-trade
                                                                                  -144,439,000                
          income tax benefit associated with convertible note hedge
                                                                                                  
          issuance of shares under stock option and purchase plans
                                                                                  1,214,000 3,959,000 7,820,000              
          net increase / (decrease) in cash
                                                                                  4,322,000                
          cash, beginning of period
                                                                                  7,566,000  9,991,000  82,082,000  10,576,000  
          cash, end of period
                                                                                  4,322,000 11,431,000 6,911,000  -1,825,000 2,304,000 5,974,000    39,475,000  2,880,000 15,503,000 16,568,000  
          increase/(decrease) in accrual for purchases of property and equipment
                                                                                                  
          dividends declared not paid
                                                                                                  
          long-term debt assumed in purchase of businesses
                                                                                                  
          floor plan - notes payable assumed in the purchase of businesses
                                                                                                  
          cash paid for interest, net of amount capitalized
                                                                                  33,065,000 27,609,000 29,481,000  27,156,000 19,382,000 24,982,000  22,994,000 10,556,000 20,076,000      
          cash paid for income taxes
                                                                                  1,848,000 12,184,000 16,796,000  8,832,000 2,800,000 11,558,000  7,912,000 4,660,000 299,000  11,033,000 5,394,000 4,365,000  
          net cash provided in operating activities as previously reported
                                                                                                  
          reclassification of notes payable – floorplan – non-trade
                                                                                                  
          reclassification of notes payable – floor plan - trade related to acquisitions
                                                                                                  
          reclassification of notes payable – floorplan – trade related to dispositions
                                                                                                  
          other reclassifications
                                                                                                  
          net cash from operating activities, as restated
                                                                                                  
          net cash from investing activities as previously reported
                                                                                                  
          reclassification of notes payable – floor plan related to acquisitions
                                                                                                  
          reclassification of notes payable – floor plan – trade related to dispositions
                                                                                                  
          reclassification of notes payable – floor plan – non-trade related to dispositions
                                                                                                  
          net cash from investing activities, as restated
                                                                                                  
          net cash used by financing activities as previously reported
                                                                                                  
          reclassification of notes payable – floor plan – non-trade
                                                                                                  
          net cash from financing activities, as restated
                                                                                                  
          net cash from / (used in) operating activities
                                                                                                  
          income tax beneift associated with convertible note hedge
                                                                                   289,000 420,000              
          income tax beneift associated with stock compensation plans
                                                                                   653,000 2,404,000              
          increase / (decrease) in accrual for purchases of property and equipment
                                                                                                  
          net cash from operating activities as previously reported
                                                                                                  
          reclassification of notes payable – floor plan – trade related to acquisitions
                                                                                                  
          net cash from financing activities as previously reported
                                                                                                  
          loss on disposal of assets, including franchises
                                                                                    148,000  -669,000 1,551,000 672,000          
          loss on exit of leased dealership
                                                                                    1,057,000              
          net borrowings/(repayments) on revolving credit facilities
                                                                                    -23,427,000         -9,395,644     
          net decrease in cash
                                                                                    -655,000  -1,825,000 2,304,000 -4,017,000          
          restricted stock amortization
                                                                                     356,000 421,000 389,000 319,000          
          cumulative effect of change in accounting principle, net of tax
                                                                                             -5,613,381 5,619,000  
          net repayments on revolving credit facilities
                                                                                                  
          accrual for purchases of property and equipment
                                                                                                  
          net borrowings on revolving credit facilities
                                                                                      -58,366,000 38,333,000 42,024,000    588,000   -32,865,000 17,357,000  
          long-term debt assumed in purchase of businesses, including premium of 7,254
                                                                                                 
          notes payable - floor plan
                                                                                       -29,939,000 -4,345,000  -171,999,000 30,382,000 30,781,000      
          equity interest in gains of investee
                                                                                        -200,000          
          depreciation and amortization
                                                                                         5,177,000 3,914,000 4,589,000 3,732,000 -9,280,582 3,922,000 2,810,000 2,561,000 2,087,000 
          loss on disposal of assets
                                                                                         -74,000       -1,899,000  
          notes payable—floor plan
                                                                                               54,677,000 -16,346,000 127,992,000 
          net increase in cash
                                                                                         9,991,000 -39,475,000 -42,607,000 -24,303,494 2,880,000 15,503,000 5,992,000  
          cash, beginning of year
                                                                                                  
          cash, end of year
                                                                                                  
          class a common stock issued for acquisitions
                                                                                                 -3,491,000 
          change in fair value of cash flow hedging instrument
                                                                                            80,000 -717,972    -326,000 
          equity interest in gains of investees
                                                                                          -222,000        
          gain on disposal of assets
                                                                                           239,000 -708,000 4,722,042 929,000    
          net (repayments) / borrowings on revolving credit facilities
                                                                                                  
          purchases of class a common stock
                                                                                           -10,885,000 -4,471,000 17,789,693 -5,770,000 -4,101,000 -7,943,000 -11,413,000 
          amortization of debt issue costs
                                                                                            182,000      
          equity interest in losses of investees
                                                                                            164,000      
          equity interest in (earnings)/losses of investees
                                                                                                106,000  
          notes payable – floor plan
                                                                                                  
          redemptions of preferred stock
                                                                                                  
          cash paid for interest
                                                                                              18,308,000 13,921,000 20,139,000  
          change in fair value of cash flow hedging instrument (net of tax benefit of 1,000 for the six months ended june 30, 2002 and 287 for the six months ended june 30, 2003
                                                                                                  
          amortization of debt issuance costs
                                                                                                228,000  
          change in fair value of cash flow hedging instrument (net of tax benefit of of 487 for the three months ended march 31, 2002 and 50 for the three months ended march 31, 2003
                                                                                                78,000  
          equity interest in (earnings) losses of investees
                                                                                                  
          supplemental disclosures of cash flow information
                                                                                                  
          interest
                                                                                                  
          class a convertible preferred stock issued for acquisitions and contingent consideration
                                                                                                  
          conversion of class a convertible preferred stock