7Baggers

Group 1 Automotive, Inc
(NYSE:GPI) 

GPI stock logo

Group 1 Automotive, Inc., through its subsidiaries, operates in the automotive retail industry. The company sells new and used cars, light trucks, and vehicle parts, as well as service and insurance contracts; arranges related vehicle financing; and offers automotive maintenance and repair services....

Founded: 1997
Full Time Employees: 15,296
Sector: Consumer Cyclical
Industry: Auto & Truck Dealerships

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Quarterly
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    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 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 2004-09-30 
                                                                                          
      revenues:
                                                                                          
      new vehicle retail sales
    2,562,400,000 2,767,100,000 2,807,400,000 2,735,500,000 2,680,000,000 2,858,100,000 2,567,600,000 2,364,200,000 2,182,600,000 2,311,200,000 2,264,500,000 2,243,200,000 1,955,700,000 1,972,700,000 1,883,300,000 1,851,300,000 1,745,100,000 1,529,900,000 1,576,200,000 1,855,300,000 1,543,400,000 1,595,300,000 1,580,700,000 1,062,700,000 1,342,200,000 1,681,900,000 1,652,200,000 1,565,375,000 1,414,485,000 1,572,713,000 1,539,498,000 1,555,570,000 1,513,590,000 1,661,309,000 1,710,241,000 1,448,768,000 1,337,213,000 1,507,513,000 1,587,952,000 1,540,759,000 1,409,851,000 1,533,106,000 1,601,213,000 1,534,262,000 1,332,724,000 1,485,473,000 1,521,246,000 1,466,064,000 1,268,836,000 1,351,800,000 1,386,667,000 1,376,219,000 1,110,235,000 1,156,507,000 1,141,286,000 1,080,710,000 912,595,000 945,392,000 862,660,000 809,881,000 784,714,000 832,714,000 822,121,000 785,851,000 646,121,000 659,058,000 728,089,000 608,592,000 547,292,000 655,156,000 877,669,000 971,281,000 902,041,000 954,577,000 1,042,442,000 1,056,581,000 932,094,000 949,751,000 1,009,300,000 968,399,000 860,128,000 883,068,000 977,492,000 980,375,000 833,945,000 962,021,000 
      used vehicle retail sales
    1,774,900,000 1,739,300,000 1,852,100,000 1,848,200,000 1,755,400,000 1,653,400,000 1,656,500,000 1,453,200,000 1,416,800,000 1,334,500,000 1,559,600,000 1,450,600,000 1,348,900,000 1,319,400,000 1,488,600,000 1,505,400,000 1,359,900,000 1,096,100,000 1,248,300,000 1,195,600,000 898,800,000 818,300,000 867,200,000 641,200,000 779,000,000 838,800,000 869,700,000 838,896,000 819,203,000 771,242,000 792,405,000 821,853,000 780,570,000 709,072,000 743,038,000 685,949,000 660,927,000 651,144,000 702,620,000 715,778,000 688,171,000 645,845,000 687,637,000 682,294,000 623,193,000 581,797,000 615,924,000 577,250,000 549,897,000 503,397,000 529,828,000 534,804,000 471,399,000 423,315,000 462,395,000 456,234,000 414,974,000 362,911,000 377,115,000 353,047,000 323,447,000 310,663,000 340,625,000 340,142,000 279,609,000 241,269,000 254,716,000 249,770,000 224,859,000 225,528,000 262,443,000 298,593,000 311,568,000 274,123,000 298,257,000 306,774,000 289,714,000 263,061,000 292,931,000 289,760,000 265,920,000 255,790,000 279,484,000 278,787,000 261,545,000 265,544,000 
      used vehicle wholesale sales
    149,500,000 143,500,000 148,400,000 163,800,000 151,600,000 128,900,000 123,200,000 104,300,000 106,000,000 102,200,000 114,700,000 112,500,000 112,000,000 85,700,000 89,600,000 95,800,000 93,500,000 79,700,000 109,400,000 96,400,000 80,200,000 86,200,000 86,700,000 48,700,000 86,500,000 81,800,000 85,300,000 95,996,000 92,138,000 86,122,000 86,570,000 92,854,000 104,029,000 91,809,000 104,827,000 99,377,000 104,157,000 99,774,000 104,218,000 96,279,000 101,592,000 95,065,000 100,483,000 101,512,000 100,192,000 94,652,000 100,347,000 94,971,000 89,173,000 88,518,000 85,800,000 83,316,000 74,551,000 69,724,000 78,424,000 73,134,000 66,857,000 59,434,000 69,051,000 60,607,000 61,951,000 58,877,000 58,463,000 55,678,000 42,512,000 40,532,000 43,151,000 34,649,000 34,736,000 39,850,000 58,689,000 67,496,000 68,614,000 72,989,000 86,833,000 83,412,000 74,644,000 78,659,000 83,264,000 87,053,000 80,693,000 82,437,000 98,439,000 106,786,000 96,194,000 101,551,000 
      parts and service sales
    704,400,000 700,200,000 733,900,000 718,400,000 692,100,000 680,200,000 660,000,000 574,500,000 576,200,000 545,000,000 566,900,000 562,000,000 548,300,000 518,400,000 515,600,000 502,600,000 472,900,000 410,800,000 427,600,000 392,100,000 360,600,000 361,100,000 375,600,000 282,000,000 370,600,000 379,200,000 383,500,000 378,167,000 369,174,000 354,744,000 354,501,000 358,129,000 349,515,000 343,510,000 343,193,000 331,631,000 319,698,000 310,966,000 319,676,000 322,073,000 308,592,000 297,254,000 303,557,000 303,193,000 282,189,000 281,354,000 291,816,000 283,207,000 269,317,000 256,909,000 255,316,000 260,950,000 237,510,000 221,666,000 224,990,000 220,313,000 213,101,000 204,711,000 210,067,000 204,091,000 194,950,000 191,242,000 196,264,000 194,063,000 185,435,000 175,341,000 183,254,000 183,105,000 180,865,000 178,658,000 188,576,000 192,753,000 193,555,000 177,060,000 179,416,000 179,335,000 175,839,000 169,133,000 165,296,000 164,641,000 162,867,000 161,687,000 165,017,000 163,057,000 159,460,000 154,285,000 
      finance, insurance and other
    215,900,000 229,800,000 240,900,000 237,800,000 226,200,000 225,600,000 214,100,000 200,100,000 188,900,000 187,100,000 199,400,000 190,300,000 165,100,000 172,700,000 186,300,000 190,200,000 173,000,000 145,700,000 147,700,000 161,000,000 127,000,000 129,200,000 129,500,000 96,700,000 112,500,000 129,700,000 127,600,000 127,255,000 113,376,000 123,991,000 116,084,000 115,056,000 112,322,000 114,705,000 110,993,000 106,470,000 96,834,000 104,235,000 108,710,000 107,560,000 100,149,000 101,332,000 107,679,000 105,219,000 94,556,000 95,664,000 97,115,000 90,146,000 83,640,000 78,868,000 82,536,000 79,821,000 70,137,000 67,745,000 69,477,000 65,435,000 57,218,000 53,481,000 51,496,000 46,519,000 44,240,000 44,256,000 44,282,000 42,775,000 37,476,000 34,216,000 37,509,000 32,639,000 32,065,000 34,543,000 46,597,000 52,992,000 53,667,000 50,616,000 54,357,000 53,487,000 50,447,000 46,457,000 51,021,000 47,193,000 47,958,000 42,379,000 49,737,000 48,328,000   
      total revenues
    5,407,100,000 5,579,900,000 5,782,700,000 5,703,500,000 5,505,300,000 5,546,000,000 5,221,400,000 4,696,400,000 4,470,500,000 4,480,000,000 4,705,100,000 4,558,500,000 4,130,000,000 4,069,000,000 4,163,400,000 4,145,400,000 3,844,400,000 3,262,200,000 3,509,200,000 3,700,400,000 3,010,000,000 2,990,100,000 3,039,600,000 2,131,200,000 2,690,800,000 3,111,400,000 3,118,300,000 3,005,689,000 2,808,376,000 2,908,812,000 2,889,058,000 2,943,462,000 2,860,026,000 2,920,405,000 3,012,292,000 2,672,195,000 2,518,829,000 2,673,632,000 2,823,176,000 2,782,449,000 2,608,355,000 2,672,602,000 2,800,569,000 2,726,480,000 2,432,854,000 2,538,940,000 2,626,448,000 2,511,638,000 2,260,863,000 2,279,492,000 2,340,147,000 2,335,110,000 1,963,832,000 1,938,957,000 1,976,572,000 1,895,826,000 1,664,745,000 1,625,929,000 1,570,389,000 1,474,145,000 1,409,302,000 1,437,752,000 1,461,755,000 1,418,509,000 1,191,153,000 1,150,416,000 1,246,719,000 1,108,755,000 1,019,817,000 1,133,735,000 1,433,974,000 1,583,115,000 1,529,445,000 1,529,365,000 1,661,305,000 1,679,589,000 1,522,738,000 1,507,061,000 1,601,812,000 1,557,046,000 1,417,566,000 1,136,057,250 1,570,169,000 1,577,333,000 1,396,727,000 1,532,407,000 
      yoy
    -1.78% 0.61% 10.75% 21.44% 23.15% 23.79% 10.97% 3.03% 8.24% 10.10% 13.01% 9.97% 7.43% 24.73% 18.64% 12.03% 27.72% 9.10% 15.45% 73.63% 11.86% -3.90% -2.52% -29.09% -4.19% 6.96% 7.93% 2.11% -1.81% -0.40% -4.09% 10.15% 13.55% 9.23% 6.70% -3.96% -3.43% 0.04% 0.81% 2.05% 7.21% 5.26% 6.63% 8.55% 7.61% 11.38% 12.23% 7.56% 15.13% 17.56% 18.39% 23.17% 17.97% 19.25% 25.87% 28.61% 18.13% 13.09% 7.43% 3.92% 18.31% 24.98% 17.25% 27.94% 16.80% 1.47% -13.06% -29.96% -33.32% -25.87% -13.68% -5.74% 0.44% 1.48% 3.71% 7.87% 7.42% 32.66% 2.02% -1.29% 1.49% -25.86%     
      qoq
    -3.10% -3.51% 1.39% 3.60% -0.73% 6.22% 11.18% 5.05% -0.21% -4.78% 3.22% 10.38% 1.50% -2.27% 0.43% 7.83% 17.85% -7.04% -5.17% 22.94% 0.67% -1.63% 42.62% -20.80% -13.52% -0.22% 3.75% 7.03% -3.45% 0.68% -1.85% 2.92% -2.07% -3.05% 12.73% 6.09% -5.79% -5.30% 1.46% 6.67% -2.40% -4.57% 2.72% 12.07% -4.18% -3.33% 4.57% 11.09% -0.82% -2.59% 0.22% 18.91% 1.28% -1.90% 4.26% 13.88% 2.39% 3.54% 6.53% 4.60% -1.98% -1.64% 3.05% 19.09% 3.54% -7.72% 12.44% 8.72% -10.05% -20.94% -9.42% 3.51% 0.01% -7.94% -1.09% 10.30% 1.04% -5.92% 2.88% 9.84% 24.78% -27.65% -0.45% 12.93% -8.85%  
      cost of sales:
                                                                                          
      total cost of sales
    4,529,200,000 4,705,400,000 4,863,000,000 4,767,800,000 4,613,300,000 4,666,800,000 4,368,700,000 3,929,800,000 3,727,900,000 3,749,400,000 3,918,900,000 3,783,000,000 3,402,100,000 3,349,500,000 3,410,800,000 3,377,000,000 3,119,700,000 2,626,700,000 2,856,000,000 3,039,200,000 2,519,400,000 2,508,500,000 2,527,700,000 1,772,400,000 2,274,300,000 2,646,800,000 2,652,700,000 2,551,436,000 2,376,873,000 2,476,746,000 2,453,957,000 2,505,299,000 2,440,263,000 2,494,730,000 2,580,872,000 2,267,303,000 2,135,307,000 2,284,451,000 2,416,508,000 2,372,330,000 2,219,254,000 2,292,469,000 2,402,187,000 2,334,907,000 2,068,970,000 2,172,981,000 2,251,739,000 2,142,490,000 1,922,741,000 1,958,171,000 2,010,685,000 1,993,836,000 1,663,343,000 1,658,704,000 1,685,341,000 1,610,482,000 1,404,321,000 1,380,068,000 1,321,636,000 1,229,934,000 1,187,527,000 1,220,731,000 1,232,916,000 1,191,857,000 986,632,000 960,369,000 1,034,698,000 917,640,000 837,163,000 946,683,000 1,204,355,000 1,331,704,000 1,277,298,000 1,295,372,000 1,404,050,000 1,421,615,000 1,275,581,000 1,272,595,000 1,351,964,000 1,313,384,000 1,180,741,000 959,133,000 1,327,051,000 1,337,244,000 1,172,237,000 1,302,523,000 
      gross profit
    877,900,000 874,400,000 919,700,000 935,800,000 891,900,000 879,200,000 852,700,000 766,500,000 742,600,000 730,600,000 786,200,000 775,500,000 727,900,000 719,400,000 752,600,000 768,400,000 724,700,000 635,600,000 653,200,000 661,300,000 490,700,000 481,800,000 512,000,000 358,800,000 416,500,000   454,253,000 431,503,000 432,066,000 435,101,000 438,163,000 419,763,000 425,675,000 431,420,000 404,892,000 383,522,000 389,181,000 406,668,000 410,119,000 389,101,000 380,133,000 398,382,000 391,573,000 363,884,000 365,959,000 374,709,000 369,148,000 338,122,000 321,321,000 329,462,000 341,274,000 300,489,000 280,253,000 291,231,000 285,344,000 260,424,000 245,861,000 248,753,000 244,211,000 221,775,000 217,021,000 228,839,000 226,652,000 204,521,000 190,047,000 212,021,000 191,115,000 182,654,000 187,052,000 229,619,000 251,411,000 252,147,000 233,993,000 257,255,000 257,974,000 247,157,000 234,466,000 249,848,000 243,662,000 236,825,000 224,709,000 243,118,000 240,089,000 224,490,000 229,884,000 
      yoy
    -1.57% -0.55% 7.86% 22.09% 20.11% 20.34% 8.46% -1.16% 2.02% 1.56% 4.46% 0.92% 0.44% 13.18% 15.22% 16.20% 47.69% 31.92% 27.58% 84.31% 17.82%   -21.01% -3.48%   3.67% 2.80% 1.50% 0.85% 8.22% 9.45% 9.38% 6.09% -1.27% -1.43% 2.38% 2.08% 4.74% 6.93% 3.87% 6.32% 6.07% 7.62% 13.89% 13.73% 8.17% 12.52% 14.65% 13.13% 19.60% 15.38% 13.99% 17.08% 16.84% 17.43% 13.29% 8.70% 7.75% 8.44% 14.19% 7.93% 18.59% 11.97% 1.60% -7.66% -23.98% -27.56% -20.06% -10.74% -2.54% 2.02% -0.20% 2.96% 5.87% 4.36% 4.34% 2.77% 1.49% 5.49% -2.25%     
      qoq
    0.40% -4.93% -1.72% 4.92% 1.44% 3.11% 11.25% 3.22% 1.64% -7.07% 1.38% 6.54% 1.18% -4.41% -2.06% 6.03% 14.02% -2.69% -1.22% 34.77% 1.85% -5.90% 42.70% -13.85%    5.27% -0.13% -0.70% -0.70% 4.38% -1.39% -1.33% 6.55% 5.57% -1.45% -4.30% -0.84% 5.40% 2.36% -4.58% 1.74% 7.61% -0.57% -2.34% 1.51% 9.18% 5.23% -2.47% -3.46% 13.57% 7.22% -3.77% 2.06% 9.57% 5.92% -1.16% 1.86% 10.12% 2.19% -5.16% 0.96% 10.82% 7.62% -10.36% 10.94% 4.63% -2.35% -18.54% -8.67% -0.29% 7.76% -9.04% -0.28% 4.38% 5.41% -6.16% 2.54% 2.89% 5.39% -7.57% 1.26% 6.95% -2.35%  
      gross margin %
    16.24% 15.67% 15.90% 16.41% 16.20% 15.85% 16.33% 16.32% 16.61% 16.31% 16.71% 17.01% 17.62% 17.68% 18.08% 18.54% 18.85% 19.48% 18.61% 17.87% 16.30% 16.11% 16.84% 16.84% 15.48% 0% 0% 15.11% 15.36% 14.85% 15.06% 14.89% 14.68% 14.58% 14.32% 15.15% 15.23% 14.56% 14.40% 14.74% 14.92% 14.22% 14.23% 14.36% 14.96% 14.41% 14.27% 14.70% 14.96% 14.10% 14.08% 14.61% 15.30% 14.45% 14.73% 15.05% 15.64% 15.12% 15.84% 16.57% 15.74% 15.09% 15.66% 15.98% 17.17% 16.52% 17.01% 17.24% 17.91% 16.50% 16.01% 15.88% 16.49% 15.30% 15.49% 15.36% 16.23% 15.56% 15.60% 15.65% 16.71% 19.78% 15.48% 15.22% 16.07% 15.00% 
      selling, general and administrative expenses
    600,600,000 627,300,000 654,900,000 646,100,000 617,300,000 614,300,000 591,600,000 497,200,000 476,100,000 487,400,000 496,700,000 479,900,000 462,800,000 453,700,000 450,900,000 460,200,000 418,500,000 396,900,000 385,100,000 376,700,000 318,400,000 298,400,000 305,800,000 237,200,000 328,000,000 338,000,000 354,000,000 338,715,000 327,708,000 323,847,000 316,771,000 308,092,000 324,347,000 309,521,000 328,327,000 298,568,000 289,779,000 279,071,000 299,006,000 299,022,000 293,664,000 279,783,000 289,012,000 280,568,000 271,469,000 268,203,000 264,233,000 271,970,000 257,558,000 245,401,000 246,863,000 251,159,000 233,433,000 218,925,000 216,082,000 214,327,000 199,112,000 188,109,000 188,185,000 183,051,000 175,884,000 170,839,000 173,925,000 182,465,000 166,406,000 154,235,000 162,466,000 151,113,000 153,234,000 159,822,000 189,209,000 195,337,000 199,796,000 184,757,000 198,368,000 196,773,000 198,163,000 188,302,000 188,043,000 182,944,000 180,477,000 180,618,000 186,216,000 192,347,000 182,282,000 182,577,000 
      depreciation and amortization expense
    31,100,000 31,500,000 31,600,000 28,700,000 29,300,000 31,500,000 29,500,000 28,200,000 23,800,000 23,400,000 23,100,000 23,100,000 22,400,000 22,500,000 21,800,000 23,000,000 21,200,000 19,500,000 19,600,000 18,800,000 19,500,000 19,300,000 19,100,000 18,800,000 18,600,000 18,600,000 18,000,000 17,864,000 16,997,000 17,109,000 16,981,000 16,638,000 16,342,000 15,178,000 15,059,000 14,093,000 13,606,000 13,167,000 12,891,000 12,713,000 12,464,000 11,798,000 11,811,000 11,946,000 11,684,000 10,920,000 10,746,000 10,753,000 9,925,000 9,436,000 9,093,000 8,884,000 8,413,000 8,460,000 8,096,000 7,742,000 7,236,000 7,182,000 6,845,000 6,581,000 6,455,000 6,519,000 6,772,000 6,679,000 6,485,000 6,287,000 6,666,000 6,462,000 6,508,000 6,603,000 6,734,000 6,497,000 5,927,000 5,326,000 5,506,000 5,217,000 4,848,000 4,754,000 4,449,000 4,372,000 4,563,000 4,405,000 4,597,000 4,302,000 5,623,000 4,579,000 
      asset impairments
    2,500,000 68,200,000 123,900,000 400,000 400,000     25,200,000 4,800,000 1,800,000 1,100,000 1,300,000  800,000   1,700,000   13,900,000  23,800,000  11,400,000 10,300,000 537,000  16,456,000 23,159,000 4,268,000  9,980,000 9,526,000   20,026,000 10,855,000 1,024,000 932,000 85,607,000 916,000 1,039,000  30,426,000 9,373,000 1,721,000  5,368,000 565,000 609,000  6,988,000  187,000 101,000   142,000 222,000 7,719,000 1,639,000 1,482,000  18,050,000 702,000 2,040,000  114,937,000 48,086,000   16,083,000 345,000 356,000      2,620,000 4,987,000    
      restructuring charges
    1,000,000 8,100,000 1,600,000 7,600,000 11,100,000                                                                                  
      income from operations
    242,600,000 139,300,000 107,800,000 253,000,000 233,900,000 193,700,000 231,600,000 241,100,000 242,600,000 194,700,000 261,600,000 270,800,000 241,500,000 242,000,000 279,900,000 284,500,000 285,000,000 219,100,000 246,800,000 265,800,000 152,700,000 150,100,000 187,100,000 79,000,000 69,900,000 96,500,000 83,300,000 97,137,000 86,798,000 74,654,000 78,190,000 109,165,000 79,074,000 90,996,000 78,508,000 92,231,000 80,137,000 76,917,000 83,916,000 97,360,000 82,041,000 2,945,000 96,643,000 98,020,000 80,731,000 56,410,000 90,357,000 84,704,000 70,639,000 61,116,000 72,941,000 80,622,000 58,643,000 45,880,000 67,053,000 63,088,000 53,975,000 49,773,000 50,079,000 54,437,000 39,214,000 31,944,000 46,503,000 36,026,000 31,630,000 11,475,000 42,187,000 31,500,000 22,912,000 -94,310,000 -14,410,000 49,577,000 46,424,000 27,827,000 53,036,000 55,628,000 44,146,000 39,169,000 57,356,000 56,346,000 51,785,000 37,066,000 47,318,000 43,440,000 36,585,000 1,355,000 
      yoy
    3.72% -28.08% -53.45% 4.94% -3.59% -0.51% -11.47% -10.97% 0.46% -19.55% -6.54% -4.82% -15.26% 10.45% 13.41% 7.04% 86.64% 45.97% 31.91% 236.46% 118.45% 55.54% 124.61% -18.67% -19.47% 29.26% 6.54% -11.02% 9.77% -17.96% -0.41% 18.36% -1.33% 18.30% -6.44% -5.27% -2.32% 2511.78% -13.17% -0.67% 1.62% -94.78% 6.96% 15.72% 14.29% -7.70% 23.88% 5.06% 20.46% 33.21% 8.78% 27.79% 8.65% -7.82% 33.89% 15.89% 37.64% 55.81% 7.69% 51.10% 23.98% 178.38% 10.23% 14.37% 38.05% -112.17% -392.76% -36.46% -50.65% -438.92% -127.17% -10.88% 5.16% -28.96% -7.53% -1.27% -14.75% 5.67% 21.21% 29.71% 41.55% 2635.50%     
      qoq
    74.16% 29.22% -57.39% 8.17% 20.75% -16.36% -3.94% -0.62% 24.60% -25.57% -3.40% 12.13% -0.21% -13.54% -1.62% -0.18% 30.08% -11.22% -7.15% 74.07% 1.73% -19.78% 136.84% 13.02% -27.56% 15.85% -14.24% 11.91% 16.27% -4.52% -28.37% 38.05% -13.10% 15.91% -14.88% 15.09% 4.19% -8.34% -13.81% 18.67% 2685.77% -96.95% -1.40% 21.42% 43.11% -37.57% 6.67% 19.91% 15.58% -16.21% -9.53% 37.48% 27.82% -31.58% 6.28% 16.88% 8.44% -0.61% -8.01% 38.82% 22.76% -31.31% 29.08% 13.90% 175.64% -72.80% 33.93% 37.48% -124.29% 554.48% -129.07% 6.79% 66.83% -47.53% -4.66% 26.01% 12.71% -31.71% 1.79% 8.81% 39.71% -21.67% 8.93% 18.74% 2600.00%  
      operating margin %
    4.49% 2.50% 1.86% 4.44% 4.25% 3.49% 4.44% 5.13% 5.43% 4.35% 5.56% 5.94% 5.85% 5.95% 6.72% 6.86% 7.41% 6.72% 7.03% 7.18% 5.07% 5.02% 6.16% 3.71% 2.60% 3.10% 2.67% 3.23% 3.09% 2.57% 2.71% 3.71% 2.76% 3.12% 2.61% 3.45% 3.18% 2.88% 2.97% 3.50% 3.15% 0.11% 3.45% 3.60% 3.32% 2.22% 3.44% 3.37% 3.12% 2.68% 3.12% 3.45% 2.99% 2.37% 3.39% 3.33% 3.24% 3.06% 3.19% 3.69% 2.78% 2.22% 3.18% 2.54% 2.66% 1.00% 3.38% 2.84% 2.25% -8.32% -1.00% 3.13% 3.04% 1.82% 3.19% 3.31% 2.90% 2.60% 3.58% 3.62% 3.65% 3.26% 3.01% 2.75% 2.62% 0.09% 
      floorplan interest expense
    23,300,000 24,500,000 23,700,000 26,400,000 26,900,000 32,200,000 31,100,000 24,700,000 20,500,000 19,400,000 16,500,000 15,600,000 12,600,000 9,600,000 6,500,000 5,900,000 5,300,000 6,400,000 4,800,000 8,800,000 7,600,000 8,400,000 8,100,000 10,100,000 12,900,000 14,600,000 15,400,000 -15,943,000 -15,703,000 -16,547,000 -14,685,000 -14,563,000 -14,087,000 -13,713,000 -13,491,000 -13,226,000 -11,942,000 -11,190,000 -11,135,000 -11,593,000 -11,010,000 -10,218,000 -9,685,000 -10,015,000 -9,348,000 -9,919,000 -10,452,000 -10,329,000 -10,913,000 -10,740,000 -10,690,000 -10,873,000 -9,364,000 -8,372,000 -7,942,000 -7,863,000 -7,619,000 -7,442,000 -6,964,000 -6,521,000 -6,760,000 -8,890,000 -9,021,000 -8,633,000 -7,566,000 -8,003,000 -7,523,000 -7,857,000 -8,962,000 -10,741,000 -11,236,000 -12,392,000 -12,290,000 -12,235,000 -11,842,000 -11,802,000 -12,238,000 -11,739,000 -10,065,000 -13,033,000 -11,846,000 -9,999,000 -9,259,000 -10,074,000   
      other interest expense
    48,800,000 52,500,000 48,000,000 42,700,000 39,800,000 38,800,000 39,800,000 33,400,000 29,300,000 27,700,000 26,500,000 25,900,000 19,700,000 22,000,000 19,600,000 18,500,000 17,400,000 15,100,000 13,200,000 13,700,000 13,800,000 13,600,000 14,600,000 16,200,000 18,100,000 19,100,000 18,900,000 -17,961,000 -18,919,000 -18,424,000 -19,140,000 -19,414,000 -18,820,000 -18,309,000 -17,874,000 -17,315,000 -16,999,000 -17,207,000 -17,094,000 -16,705,000 -16,929,000 -14,842,000 -13,922,000 -14,228,000 -13,911,000 -13,367,000 -13,246,000 -12,567,000 -10,513,000 -10,188,000 -9,971,000 -9,570,000 -9,242,000 -9,616,000 -9,619,000 -9,190,000 -9,040,000 -8,911,000 -8,644,000 -8,225,000 -7,942,000 -6,952,000 -6,894,000 -6,267,000 -7,104,000 -7,218,000 -7,318,000 -7,576,000 -6,963,000 -6,813,000 -7,199,000 -7,066,000 -8,395,000 -7,054,000 -6,380,000 -6,830,000 -5,207,000 -5,430,000 -5,366,000 -3,997,000 -3,989,000 -3,948,000 -4,344,000 -4,706,000 -5,124,000 -4,463,000 
      other income
        -300,000         -850,000 -3,400,000                                   -197,250                -8,000 -4,000 -5,000 3,000 29,000 -41,000 -36,000 350,000    95,000     30,000 87,000 11,000   
      income before income taxes
    170,500,000 62,400,000 36,200,000 183,900,000 167,500,000 122,700,000 159,600,000 183,000,000 193,300,000 145,400,000 220,500,000 227,900,000 206,400,000 205,700,000 257,200,000 260,100,000 262,300,000 201,300,000 225,000,000 243,200,000 131,400,000 128,100,000 161,000,000 42,300,000 38,900,000 62,900,000 49,000,000 63,233,000 52,176,000 39,683,000 44,365,000 75,188,000 46,167,000 58,974,000 47,143,000 61,690,000 51,196,000 48,520,000 55,687,000 69,062,000 54,102,000 -22,115,000 73,036,000 73,777,000 57,472,000 33,124,000 43,869,000 38,194,000 49,213,000 40,188,000 52,280,000 60,179,000 39,248,000 27,892,000 49,492,000 46,035,000 37,316,000 33,420,000 34,471,000 39,691,000 24,512,000 16,102,000 30,588,000 21,126,000 13,088,000 -3,754,000 27,940,000 16,294,000 14,371,000 -76,110,000 -32,391,000 30,083,000 26,498,000 8,730,000 33,404,000 37,093,000 26,796,000 22,524,000 41,803,000 39,045,000 35,976,000 23,149,000 33,802,000 28,671,000 22,785,000 -9,766,000 
      provision for income taxes
    40,600,000 19,400,000 23,000,000 44,000,000 39,700,000 28,000,000 42,500,000 45,200,000 45,800,000 36,600,000 56,400,000 57,600,000 47,600,000 49,000,000 60,200,000 60,800,000 61,200,000 40,900,000 52,900,000 52,300,000 29,400,000 28,000,000 34,600,000           51,515,000 -17,262,000 -22,557,000 -17,257,000 -15,653,500 -20,321,000 -22,482,000         -17,910,000    -17,130,000 -10,760,000 -18,157,000 -17,410,000 -14,199,000 -9,283,750 -12,977,000 -15,008,000 -9,150,000 -6,266,750 -11,603,000 -8,357,000 -5,107,000   -6,212,000 -5,996,000 -31,596,000 -11,820,000 11,591,000 10,122,000 3,257,000 12,588,000 12,877,000 9,349,000 7,737,000 15,383,000 14,173,000 13,665,000 6,995,000 12,176,000 10,582,000 8,385,000 -151,000 
      net income from continuing operations
    129,900,000 43,000,000 13,100,000 139,800,000 127,700,000 94,600,000 117,100,000 137,900,000 147,400,000 108,800,000 164,100,000 170,300,000 158,800,000 156,700,000 197,100,000 199,300,000 201,100,000                                                                      
      net income from discontinued operations
    300,000 600,000 -200,000 700,000 400,000 200,000 200,000 300,000 500,000   200,000 -300,000 -725,000 -1,300,000 -3,400,000 1,800,000                                                                      
      net income
    130,200,000 43,600,000 13,000,000 140,500,000 128,100,000 94,800,000 117,300,000 138,200,000 147,900,000 108,700,000 163,900,000 170,500,000 158,400,000 156,900,000 195,700,000 195,900,000 202,900,000 87,100,000 172,100,000 191,000,000 101,900,000 100,100,000 126,400,000 30,200,000 29,800,000 48,100,000 38,000,000 49,225,000 38,648,000 30,718,000 34,778,000 56,463,000 35,814,000 110,489,000 29,881,000 39,133,000 33,939,000 30,828,000 35,366,000 46,580,000 34,291,000 -33,386,000 45,261,000 46,310,000 35,815,000 18,677,000 26,162,000 16,862,000 31,303,000 21,721,000 32,765,000 37,388,000 22,118,000 17,132,000 31,335,000 28,625,000 23,117,000 20,855,000 21,494,000 24,683,000 15,362,000 10,569,000 18,985,000 12,769,000 7,981,000 -1,952,000 18,340,000 10,082,000 8,375,000 -44,514,000 -20,571,000 17,216,000 16,376,000 5,473,000 20,816,000 24,216,000 17,447,000 14,787,000 26,420,000 24,872,000 22,311,000 16,154,000 21,626,000 18,089,000 -1,638,000 -9,615,000 
      yoy
    1.64% -54.01% -88.92% 1.66% -13.39% -12.79% -28.43% -18.94% -6.63% -30.72% -16.25% -12.97% -21.93% 80.14% 13.71% 2.57% 99.12% -12.99% 36.16% 532.45% 241.95% 108.11% 232.63% -38.65% -22.89% 56.59% 9.26% -12.82% 7.91% -72.20% 16.39% 44.28% 5.52% 258.40% -15.51% -15.99% -1.03% -192.34% -21.86% 0.58% -4.26% -278.75% 73.00% 174.64% 14.41% -14.01% -20.15% -54.90% 41.53% 26.79% 4.56% 30.61% -4.32% -17.85% 45.78% 15.97% 50.48% 97.32% 13.22% 93.30% 92.48% -641.44% 3.52% 26.65% -4.70% -95.61% -189.15% -41.44% -48.86% -913.34% -198.82% -28.91% -6.14% -62.99% -21.21% -2.64% -21.80% -8.46% 22.17% 37.50% -1462.09% -268.01%     
      qoq
    198.62% 235.38% -90.75% 9.68% 35.13% -19.18% -15.12% -6.56% 36.06% -33.68% -3.87% 7.64% 0.96% -19.83% -0.10% -3.45% 132.95% -49.39% -9.90% 87.44% 1.80% -20.81% 318.54% 1.34% -38.05% 26.58% -22.80% 27.37% 25.82% -11.67% -38.41% 57.66% -67.59% 269.76% -23.64% 15.30% 10.09% -12.83% -24.07% 35.84% -202.71% -173.76% -2.27% 29.30% 91.76% -28.61% 55.15% -46.13% 44.11% -33.71% -12.36% 69.04% 29.10% -45.33% 9.47% 23.83% 10.85% -2.97% -12.92% 60.68% 45.35% -44.33% 48.68% 59.99% -508.86% -110.64% 81.91% 20.38% -118.81% 116.39% -219.49% 5.13% 199.21% -73.71% -14.04% 38.80% 17.99% -44.03% 6.22% 11.48% 38.11% -25.30% 19.55% -1204.33% -82.96%  
      net income margin %
    2.41% 0.78% 0.22% 2.46% 2.33% 1.71% 2.25% 2.94% 3.31% 2.43% 3.48% 3.74% 3.84% 3.86% 4.70% 4.73% 5.28% 2.67% 4.90% 5.16% 3.39% 3.35% 4.16% 1.42% 1.11% 1.55% 1.22% 1.64% 1.38% 1.06% 1.20% 1.92% 1.25% 3.78% 0.99% 1.46% 1.35% 1.15% 1.25% 1.67% 1.31% -1.25% 1.62% 1.70% 1.47% 0.74% 1.00% 0.67% 1.38% 0.95% 1.40% 1.60% 1.13% 0.88% 1.59% 1.51% 1.39% 1.28% 1.37% 1.67% 1.09% 0.74% 1.30% 0.90% 0.67% -0.17% 1.47% 0.91% 0.82% -3.93% -1.43% 1.09% 1.07% 0.36% 1.25% 1.44% 1.15% 0.98% 1.65% 1.60% 1.57% 1.42% 1.38% 1.15% -0.12% -0.63% 
      basic earnings per share:
                                                                                          
      continuing operations
    10.84 3.62 1.02 10.79 9.66 7.12 8.73 10.2 10.81 7.99 11.72 12.06 11.16 10.91 12.61 12.15 11.81                                                                      
      discontinued operations
    0.03 0.05 -0.01 0.05 0.03 0.02 0.01 0.02 0.04 -0.01 -0.02 0.02 -0.02 0.01 -0.09 -0.21 0.11                                                                      
      total
    10.87 3.68 10.84 9.69 7.13 8.74 10.22 10.84 7.98 11.7 12.08 11.14 10.91 12.53 11.94 11.92                                                                      
      diluted earnings per share:
                                                                                          
      weighted-average common shares outstanding:
                                                                                          
      basic
    11.9 12.7 12.8 12.8 13.1 13.2 13.1 13.2 13.3 13.7 13.7 13.8 13.9 15.4 15.2 16 16.5 17.7                                                       22,409 23,270 23,110 23,744 23,895 24,146 23,796 24,558 24,040 23,866 24,185 23,737 23,453,176 22,946,245 
      diluted
    11.9 12.7 12.8 12.8 13.1 13.2 13.2 13.3 13.4 13.7 13.7 13.8 13.9 15.5 15.2 16 16.6 17.7                                                       22,548 23,406 23,229 23,888 24,081 24,446 24,009 24,840 24,453 24,229 24,571 23,985 23,885,574 22,946,245 
      other expense
          1,100,000 100,000 -500,000 2,200,000 -1,900,000 1,300,000 2,800,000                                        -789,000                                -11,000 -104,000 
      net loss from discontinued operations
             -100,000 -200,000                                                                            
      loss on extinguishment of debt
                     950,000 3,800,000    3,300,000                                                                
      basic earnings per share
                     6.328 9.37 10.4 5.54 5.44 6.86 1.64 1.62 2.57 2.04 2.65 2.09 1.65 1.74 2.72 1.7 5.23 1.43 1.84 1.58 1.44 1.65 2.12 1.47 -1.35 1.88 1.91 1.47 0.76 1.07 0.7 1.29 0.89 1.34 1.53 0.95 0.75 1.38 1.25 1.01 0.75 0.98 1.1 0.68 0.435 0.85 0.55 0.34                      
      weighted-average common shares outstanding
                      17.8 17.7 17.8 17.8 17.8 17.8 17.8 17.9 18 17,908 17,797 19,453 19,253 20,036 20,298 20,420 20,222 20,516 20,692 21,161 20,568 21,057 22,448 23,148 23,132 23,312 23,443 23,380 23,424 23,298 23,339 23,096 23,373 23,315 22,282 21,620 21,521 21,650 21,629 22,157 22,020 22,533 22,582 22,767 22,419 23,084 23,135 22,888 22,965 22,826 22,704 22,513 22,551 22,478               
      diluted earnings per share
                     6.303 9.33 10.35 5.52 5.43 6.83 1.63 1.61 2.57 2.04 2.64 2.08 1.65 1.74 2.72 1.7 5.23 1.43 1.84 1.58 1.45 1.65 2.12 1.47 -1.36 1.88 1.91 1.47 0.78 1.03 0.62 1.19 0.8 1.19 1.43 0.88 0.69 1.32 1.2 0.97 0.8 0.94 1.06 0.66 0.425 0.83 0.54 0.34                      
      weighted-average dilutive common shares outstanding
                      17.8 17.8 17.8 17.8 17.8 17.8 17.8 17.9 18                                                            
      interest expense:
                                                                                          
      (gain) loss on extinguishment of debt
                           10,400,000                                                               
      benefit for income taxes
                           12,200,000 9,100,000 14,800,000 11,000,000 -14,008,000 -13,528,000                                                          
      gross profit:
                             337,850,000 465,600,000                                                            
      revenues
                                                                                          
      cost of sales
                                                                                          
      other income:
                                                                                          
      benefit from income taxes
                                 -9,666,500 -9,587,000 -18,725,000 -10,353,000        -19,811,000 -11,271,000 -27,775,000 -27,467,000 -21,657,000 -14,447,000 -17,707,000 -21,332,000  -14,859,000 -19,515,000 -22,791,000              -5,452,000 -9,600,000                    
      cash dividends per common share
                                 0.26 0.26 0.26 0.26 0.25 0.24 0.24 0.24 0.23 0.23 0.23 0.22 0.22 0.21 0.2 0.2 0.19 0.17 0.17 0.17 0.17 0.17 0.16 0.15 0.15 0.15 0.15 0.14 0.13 0.13 0.11          0.05 0.14 0.14 0.14 0.14 0.14 0.14 0.14          
      other expense:
                                                                                          
      loss on extinguishment of long-term debt
                                                  -22,790,000                                        
      loss on purchase of long-term debt
                                                   -23,614,000                                       
      asset impairments .
                                                             1,002,000 3,644,000                            
      loss on redemption of long-term debt
                                                                                          
      cash dividend per common share
                                                                0.11                          
      gain on redemption of long-term debt
                                                                    -3,872,000  598,000 232,000 7,381,000                  
      other income and
                                                                                          
      income from continuing operations
                                                                     -1,952,000 18,340,000 10,082,000 8,375,000 -44,514,000 -20,571,000 18,492,000               
      discontinued operations:
                                                                                          
      loss related to discontinued operations
                                                                           -2,367,000               
      income tax benefit related to losses on discontinued operations
                                                                           1,091,000               
      loss from discontinued operations
                                                                           -1,276,000               
      earnings per share from continuing operations
                                                                     -0.09 0.8 0.44 0.37 -1.98 -0.91 0.82               
      loss per share from discontinued operations
                                                                                          
      earnings per share
                                                                     -0.09 0.8 0.44 0.37 -1.98 -0.91 0.76               
      gain on redemption of senior subordinated notes
                                                                         226,000 495,000  409,000              
      loss per share from discontinuing operations
                                                                           -0.06               
      earnings per share:
                                                                                          
      basic
                                                                            0.73 0.663 0.9 1.02 0.73         -0.42 
      diluted
                                                                            0.73 0.658 0.9 1.01 0.72         -0.42 
      weighted-average shares outstanding:
                                                                                          
      basic
    11.9 12.7 12.8 12.8 13.1 13.2 13.1 13.2 13.3 13.7 13.7 13.8 13.9 15.4 15.2 16 16.5 17.7                                                       22,409 23,270 23,110 23,744 23,895 24,146 23,796 24,558 24,040 23,866 24,185 23,737 23,453,176 22,946,245 
      diluted
    11.9 12.7 12.8 12.8 13.1 13.2 13.2 13.3 13.4 13.7 13.7 13.8 13.9 15.5 15.2 16 16.6 17.7                                                       22,548 23,406 23,229 23,888 24,081 24,446 24,009 24,840 24,453 24,229 24,571 23,985 23,885,574 22,946,245 
      other income and (expenses)
                                                                             -304,500 -1,410,000 97,000           
      other income and (expense)
                                                                                 1,012,000 -122,000 -271,000 26,000      
      income before cumulative effect of a change in accounting principle
                                                                                 14,787,000 26,420,000 24,872,000 22,311,000 16,154,000 21,626,000 18,089,000 14,400,000  
      cumulative effect of a change in accounting principle, net of tax benefit of 10,231
                                                                                        -16,038,000  
      earnings per share:
                                                                                          
      basic:
                                                                                          
      cumulative effect of a change in accounting principle
                                                                                     -0.168     
      diluted:
                                                                                          
      dividends per share:
                                                                                 0.103 0.14 0.14 0.13      
      loss on redemption of senior subordinated notes
                                                                                          
      retail finance fees
                                                                                        16,240,000 19,052,000 
      vehicle service contract fees
                                                                                        18,828,000 19,544,000 
      other finance and insurance revenues
                                                                                        10,515,000 10,410,000 
      floorplan interest expense, excludes manufacturer interest assistance
                                                                                        -8,665,000  
      income before cumulative effect of a change in accounting principle — basic
                                                                                        0.61  
      cumulative effect of a change in accounting principle — basic
                                                                                        -0.68  
      net income — basic
                                                                                        -0.07  
      income before cumulative effect of a change in accounting principle — diluted
                                                                                        0.6  
      cumulative effect of a change in accounting principle — diluted
                                                                                        -0.67  
      net income — diluted
                                                                                        -0.07  
      impairment of goodwill and long-lived assets
                                                                                         41,373,000 
      floorplan interest expense, excluding manufacturer interest assistance
                                                                                         -6,554,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 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 2004-09-30 
                                                                                            
        assets
                                                                                            
        current assets:
                                                                                            
        cash and cash equivalents
      41,700,000 32,500,000 30,800,000 52,700,000 70,500,000 34,400,000 58,700,000 64,400,000 41,900,000 57,200,000 52,900,000 22,800,000 21,300,000 47,900,000 20,500,000 26,300,000 16,600,000 14,900,000 296,900,000 198,700,000 82,900,000 87,300,000 66,200,000 72,700,000 19,200,000 23,800,000 41,000,000 37,740,000 33,623,000 15,932,000 32,027,000 41,575,000 33,090,000 28,787,000 66,883,000 26,573,000 33,770,000 20,992,000 22,918,000 24,965,000 22,381,000 13,037,000 21,968,000 24,225,000 26,279,000 40,975,000 50,652,000 21,295,000 17,687,000 20,215,000 26,278,000 10,852,000 17,729,000 4,650,000 38,822,000 9,544,000 21,316,000 14,895,000 11,300,000 12,285,000 44,804,000 19,843,000 96,162,000 32,186,000 28,172,000 13,221,000 14,882,000 22,527,000 21,610,000 23,144,000 42,207,000 39,968,000 20,379,000 33,749,000 78,579,000 51,502,000 37,023,000 39,313,000 34,857,000 77,454,000 35,232,000 37,695,000 33,528,000 28,449,000 27,443,000  
        contracts-in-transit and vehicle receivables
      331,700,000 326,400,000 336,700,000 351,300,000 433,700,000 360,100,000 332,900,000 349,900,000 341,700,000 369,200,000 299,700,000 270,400,000 236,500,000 278,500,000 222,200,000 223,200,000 216,200,000 218,900,000 171,800,000 222,500,000 254,700,000 211,200,000 218,900,000 173,300,000 115,500,000 253,800,000 256,200,000 252,529,000 261,194,000 265,660,000 235,609,000 249,706,000 297,885,000 306,433,000 288,200,000 217,378,000 213,772,000 269,508,000 206,292,000 212,304,000 209,542,000 252,438,000 205,636,000 233,888,000 225,048,000 237,448,000 190,641,000 210,911,000 208,461,000 225,156,000 160,554,000 185,626,000 190,879,000 204,396,000 150,170,000 150,978,000 149,606,000 167,507,000 100,246,000 105,835,000 117,593,000 113,846,000 92,649,000 111,175,000 105,535,000 86,500,000 67,045,000 78,881,000 85,909,000 102,834,000 89,511,000 146,818,000 154,861,000 193,401,000 158,965,000 174,260,000 182,161,000 189,004,000 145,667,000 145,968,000 157,584,000 187,769,000 137,000,000 179,651,000 164,772,000 162,288,000 
        accounts and notes receivable
      347,300,000 308,400,000 311,000,000 295,600,000 316,700,000 303,000,000 305,900,000 259,500,000 259,700,000 238,400,000 223,500,000 215,900,000 207,100,000 199,200,000 184,400,000 182,600,000 197,000,000 177,900,000 180,600,000 196,800,000 208,000,000 200,000,000 193,500,000 152,500,000 177,100,000 225,100,000 222,200,000 188,489,000 185,311,000 193,981,000 169,318,000 178,339,000 200,159,000 188,611,000 187,672,000 158,542,000 152,794,000 173,364,000 156,294,000 151,655,000 154,162,000 157,768,000 147,110,000 144,265,000 137,373,000 151,330,000 138,735,000 142,115,000 131,494,000 135,058,000 123,376,000 132,513,000 131,662,000 111,228,000 98,106,000 114,361,000 85,724,000 92,775,000 71,496,000 71,504,000 68,428,000 75,623,000 66,492,000 68,198,000 65,337,000 62,496,000 52,667,000 59,513,000 55,522,000 67,350,000 71,719,000 84,179,000 81,865,000 83,687,000 81,192,000 83,258,000 79,860,000 76,793,000 71,170,000 73,954,000 74,803,000 81,463,000 89,114,000 78,839,000 76,943,000 79,185,000 
        inventories
      2,727,800,000 2,741,300,000 2,732,900,000 2,658,200,000 2,558,400,000 2,636,800,000 2,752,200,000 2,356,800,000 2,101,400,000 1,963,400,000 1,722,300,000 1,718,000,000 1,540,000,000 1,356,600,000 1,185,600,000 1,125,500,000 1,096,400,000 1,073,100,000 850,800,000 1,030,200,000 1,320,400,000 1,468,000,000 1,375,700,000 1,327,100,000 1,992,600,000 1,901,700,000 1,792,700,000 1,793,671,000 1,860,907,000 1,844,059,000 1,733,756,000 1,721,249,000 1,804,176,000 1,763,293,000 1,651,789,000 1,803,909,000 1,729,525,000 1,651,815,000 1,687,379,000 1,784,114,000 1,826,531,000 1,737,751,000 1,634,421,000 1,657,105,000 1,547,436,000 1,556,705,000 1,490,520,000 1,514,274,000 1,537,112,000 1,542,318,000 1,351,719,000 1,358,294,000 1,353,120,000 1,194,288,000 1,107,193,000 1,071,927,000 966,209,000 867,470,000 719,677,000 779,679,000 784,142,000 777,771,000 757,201,000 696,994,000 654,660,000 596,743,000 471,189,000 541,213,000 638,358,000 845,944,000 856,921,000 934,706,000 987,515,000 899,792,000 793,563,000 861,631,000 851,190,000 830,628,000 769,965,000 840,212,000 845,367,000 756,838,000 686,694,000 860,233,000 916,610,000 807,623,000 
        prepaid expenses
      38,700,000 65,300,000 63,000,000 52,900,000 56,600,000 67,900,000 59,600,000 31,100,000 21,200,000 38,900,000 24,600,000 28,000,000 22,700,000 30,500,000 24,800,000 22,000,000 19,700,000 30,600,000 24,500,000 22,300,000 25,800,000 19,400,000 39,800,000 88,000,000 82,600,000 96,400,000                                                             
        other current assets
      16,500,000 17,400,000 25,000,000 23,000,000 23,500,000 18,800,000 49,000,000 101,900,000 15,700,000 25,100,000 15,400,000 17,000,000 19,500,000 19,100,000 18,900,000 20,600,000 19,900,000 50,400,000 46,200,000 19,400,000 19,300,000 18,400,000 22,600,000 21,100,000 12,300,000 15,500,000                                                             
        current assets classified as held for sale
      3,600,000 171,400,000 50,600,000  49,400,000 76,200,000 67,500,000 7,100,000 53,200,000 99,100,000 36,500,000 76,800,000 50,500,000 53,600,000 38,600,000 76,200,000 81,800,000 100,300,000                                                                     
        total current assets
      3,507,300,000 3,662,600,000 3,550,100,000 3,433,700,000 3,508,800,000 3,497,300,000 3,625,700,000 3,170,700,000 2,834,800,000 2,791,300,000 2,375,100,000 2,348,900,000 2,097,700,000 1,985,300,000 1,695,100,000 1,676,300,000 1,647,500,000 1,666,200,000 1,570,800,000 1,689,800,000 1,911,200,000 2,004,200,000 1,916,600,000 1,834,600,000 2,399,300,000 2,516,300,000 2,386,500,000 2,362,134,000 2,433,071,000 2,402,366,000 2,248,706,000 2,271,826,000 2,413,198,000 2,329,186,000 2,232,655,000 2,293,872,000 2,153,077,000 2,150,587,000 2,098,438,000 2,201,957,000 2,254,079,000 2,202,955,000 2,044,790,000 2,099,365,000 1,982,489,000 2,035,219,000 1,929,255,000 2,024,203,000 1,936,273,000 1,967,938,000 1,707,975,000 1,730,800,000 1,739,055,000 1,566,181,000 1,446,731,000 1,385,111,000 1,251,242,000 1,175,584,000 937,433,000 995,608,000 1,041,025,000 1,019,234,000 1,065,364,000 966,778,000 913,464,000 822,038,000 653,068,000 756,279,000 851,764,000 1,096,624,000 1,101,178,000 1,246,890,000 1,282,260,000 1,260,084,000 1,144,989,000 1,204,708,000 1,190,329,000 1,178,012,000 1,056,375,000 1,172,114,000 1,152,653,000  981,422,000 1,185,275,000 1,224,295,000 1,104,254,000 
        property and equipment
      3,124,000,000 3,137,400,000 3,138,900,000 3,051,400,000 2,890,700,000 2,856,500,000 2,881,600,000 2,492,300,000 2,493,200,000 2,248,700,000 2,224,900,000 2,225,500,000 2,162,700,000 2,128,200,000 2,037,600,000 1,998,400,000 1,994,500,000 1,957,800,000 1,644,500,000 1,645,900,000 1,640,100,000 1,608,200,000 1,592,000,000 1,548,900,000 1,549,000,000 1,547,100,000 1,484,800,000 1,422,986,000 1,370,743,000 1,347,835,000 1,350,929,000 1,348,521,000 1,357,870,000 1,318,959,000 1,269,397,000 1,167,345,000 1,152,395,000 1,125,883,000 1,118,785,000 1,081,232,000 1,063,852,000 1,033,981,000 978,892,000 965,363,000 944,485,000 950,388,000 859,339,000 837,821,000 827,121,000 796,356,000 716,514,000 706,293,000 699,940,000 667,768,000 649,811,000 638,971,000 604,831,000 585,633,000 550,908,000 550,134,000 539,922,000 506,288,000 458,303,000 454,420,000 480,285,000 475,828,000 492,191,000 498,486,000 501,501,000 514,891,000 536,942,000 542,453,000 504,506,000 429,238,000 380,162,000 324,166,000 293,443,000 230,385,000 204,729,000 166,258,000 170,136,000 161,317,000 176,033,000 173,914,000 161,475,000 161,391,000 
        operating lease assets
      256,000,000 276,000,000 314,900,000 324,000,000 320,900,000 315,300,000 302,900,000 226,600,000 217,900,000 216,500,000 226,700,000 236,300,000 246,700,000 249,100,000 246,900,000 241,600,000 258,400,000 267,800,000 218,000,000 213,200,000 204,800,000 209,900,000 209,900,000 219,100,000 218,700,000 220,100,000 204,700,000 202,719,000 214,776,000                                                          
        goodwill
      2,126,500,000 2,204,900,000 2,241,900,000 2,268,800,000 2,076,500,000 2,057,900,000 2,140,700,000 1,915,700,000 1,842,000,000 1,651,900,000 1,695,900,000 1,691,000,000 1,709,400,000 1,661,800,000 1,612,200,000 1,596,600,000 1,588,100,000 1,420,200,000 1,034,500,000 1,018,700,000 1,019,100,000 997,100,000 993,500,000 989,700,000 999,800,000 1,008,300,000 979,000,000 963,502,000 965,882,000 963,925,000 968,771,000 945,835,000 960,110,000 913,034,000 914,224,000 878,776,000 877,040,000 876,763,000 880,393,000 881,981,000 886,293,000 854,915,000 912,639,000 887,200,000 847,672,000 830,377,000 824,996,000 786,264,000 747,091,000 737,303,000 689,871,000 680,857,000 681,082,000 582,384,000 564,898,000 563,181,000 546,346,000 531,458,000 526,487,000 526,651,000 510,356,000 507,962,000 508,651,000 508,575,000 502,685,000 500,426,000 501,164,000 501,397,000 500,306,000 501,187,000 501,070,000 500,388,000 487,071,000 486,775,000 445,496,000 445,257,000 445,181,000 426,439,000 415,460,000 386,234,000 386,452,000 372,844,000 373,530,000 373,819,000 371,662,000 368,957,000 
        intangible franchise rights
      917,600,000 933,800,000 1,011,400,000 1,015,800,000 948,900,000 948,100,000 865,400,000 872,300,000 946,200,000 701,200,000 719,800,000 739,800,000 546,700,000 516,300,000 482,100,000 474,600,000 462,300,000 392,300,000 237,100,000 236,400,000 236,300,000 232,800,000 241,300,000 240,500,000 251,700,000 253,500,000 252,900,000 259,540,000 260,465,000 259,630,000 276,285,000 287,366,000 295,626,000 285,632,000 294,120,000 285,689,000 285,311,000 284,876,000 310,513,000 322,974,000 319,895,000 307,588,000 339,763,000 331,811,000 305,750,000 303,947,000 335,670,000 314,413,000 301,174,000 301,505,000 279,806,000 274,973,000 285,063,000 196,058,000 194,170,000 195,535,000 182,770,000 170,687,000 166,818,000 166,866,000 158,764,000 158,694,000 158,736,000 158,585,000 158,126,000 157,855,000 154,849,000 154,922,000 154,564,000 154,597,000 269,952,000 307,304,000 300,467,000 300,470,000 261,021,000 260,953,000 260,889,000 249,886,000 233,889,000 176,892,000 176,892,000 164,210,000 169,185,000 171,858,000 163,334,000  
        other long-term assets
      131,000,000 135,100,000 133,400,000 136,200,000 141,100,000 149,100,000 160,200,000 172,600,000 175,900,000 164,600,000 197,200,000 183,100,000 160,000,000 176,800,000 177,600,000 115,200,000 88,800,000 45,000,000 52,700,000 51,700,000 53,600,000 37,200,000 30,000,000 26,700,000 22,500,000 24,800,000                                                             
        total assets
      10,062,400,000 10,349,600,000 10,390,600,000 10,229,900,000 9,887,000,000 9,824,200,000 9,976,500,000 8,850,300,000 8,509,900,000 7,774,100,000 7,439,600,000 7,424,600,000 6,923,200,000 6,717,500,000 6,251,500,000 6,102,800,000 6,039,600,000 5,749,400,000 4,757,600,000 4,855,900,000 5,065,100,000 5,089,400,000 4,983,400,000 4,859,600,000 5,441,100,000 5,570,200,000 5,329,000,000 5,225,761,000 5,263,491,000 5,001,075,000 4,880,866,000 4,886,742,000 5,058,478,000 4,871,065,000 4,730,994,000 4,644,585,000 4,489,363,000 4,461,903,000 4,421,064,000 4,500,800,000 4,533,846,000 4,414,929,000 4,292,050,000 4,302,974,000 4,098,467,000 4,141,492,000 3,962,509,000 3,976,890,000 3,825,937,000 3,819,478,000 3,409,908,000 3,409,318,000 3,425,960,000 3,023,015,000 2,866,785,000 2,795,257,000 2,599,824,000 2,476,343,000 2,195,302,000 2,247,877,000 2,259,910,000 2,201,964,000 2,201,512,000 2,099,257,000 2,066,813,000 1,969,414,000 1,819,196,000 1,929,741,000 2,028,131,000 2,310,085,000 2,433,120,000 2,622,996,000 2,601,969,000 2,505,297,000 2,257,396,000 2,269,678,000 2,220,386,000 2,113,955,000 1,941,665,000 1,944,242,000 1,920,227,000  1,725,740,000 1,929,877,000 1,948,661,000 1,854,032,000 
        liabilities and stockholders’ equity
                                                                                            
        current liabilities:
                                                                                            
        floorplan notes payable — credit facility and other, net of offset account of 149.1 and 504.2, respectively
      1,399,400,000                                                                                      
        floorplan notes payable — manufacturer affiliates, net of offset account of 0.6 and —, respectively
      839,600,000                                                                                      
        current maturities of long-term debt
      289,500,000 259,000,000 215,100,000 159,300,000 142,300,000 175,300,000 196,000,000 170,600,000 156,900,000 109,400,000 75,700,000 75,400,000 85,500,000 130,300,000 141,500,000 119,300,000 85,900,000 220,400,000 57,600,000 59,400,000 64,300,000 56,700,000 65,800,000 54,600,000 354,700,000 59,100,000 66,000,000 71,548,000               55,959,000 76,442,000 69,275,000            15,616,000 14,663,000 14,003,000 12,874,000 10,482,000 10,589,000 14,304,000 14,395,000 14,862,000 14,355,000 13,663,000 13,197,000 13,039,000 13,594,000 13,635,000 13,667,000 15,200,000 12,260,000 11,350,000 9,191,000 8,501,000 854,000 823,000 810,000 788,000 786,000 948,000 1,046,000 1,135,000 969,000 
        current operating lease liabilities
      25,100,000 25,100,000 26,900,000 27,600,000 26,000,000 25,800,000 25,300,000 20,300,000 20,000,000 20,900,000 21,400,000 21,200,000 21,400,000 21,800,000 22,800,000 24,100,000 24,900,000 25,900,000 22,000,000 22,000,000 20,200,000 21,500,000 21,500,000 23,600,000 24,400,000 24,600,000 23,900,000 23,504,000 23,907,000                                                          
        accounts payable
      719,900,000 732,800,000 737,200,000 733,100,000 727,900,000 738,000,000 737,000,000 490,600,000 588,600,000 499,300,000 533,400,000 549,000,000 509,800,000 488,000,000 468,000,000 437,800,000 439,500,000 457,800,000 381,700,000 424,400,000 439,900,000 442,600,000 408,300,000 442,700,000 410,700,000 527,500,000 483,300,000 485,908,000 507,348,000 419,350,000 428,441,000 442,577,000 491,841,000 412,981,000 436,851,000 330,747,000 347,746,000 356,099,000 354,957,000 313,219,000 327,594,000 280,423,000 290,509,000 304,361,000 250,526,000 288,320,000 292,971,000 283,491,000 280,454,000 254,930,000 201,699,000 237,573,000 255,336,000 167,439,000 164,922,000 166,127,000 144,128,000 148,048,000 128,490,000 109,079,000 99,752,000 92,799,000 84,864,000 91,904,000 97,141,000 72,276,000 69,633,000 70,533,000 71,752,000 74,235,000 94,114,000 110,321,000 109,608,000 113,589,000 134,719,000 136,424,000 135,012,000 117,536,000 102,969,000 113,587,000 116,964,000 124,857,000 99,561,000 114,513,000 115,147,000 108,316,000 
        accrued expenses and other current liabilities
      427,600,000 432,000,000 438,400,000 414,400,000 432,300,000 418,600,000 380,600,000 316,200,000 326,900,000 303,400,000 301,800,000 301,600,000 287,300,000 271,500,000 263,700,000 261,700,000 289,400,000 258,600,000 266,900,000 267,800,000 243,900,000 226,900,000 230,400,000 199,900,000 197,100,000 206,700,000 213,800,000 198,017,000 208,069,000                                                          
        current liabilities classified as held for sale
       38,500,000 1,200,000  15,300,000 17,100,000 15,500,000   7,200,000  14,600,000 4,300,000 4,800,000 5,200,000 58,700,000 74,600,000 49,900,000                                                                     
        total current liabilities
      3,701,100,000 3,403,100,000 3,335,200,000 3,279,300,000 3,503,900,000 3,396,800,000 3,623,900,000 3,097,700,000 2,722,000,000 2,505,700,000 2,174,600,000 2,122,300,000 2,054,400,000 1,921,400,000 1,647,100,000 1,682,400,000 1,618,900,000 1,543,600,000 1,046,100,000 1,272,000,000 1,712,500,000 1,842,700,000 1,812,100,000 1,775,100,000 2,640,400,000 2,422,300,000 2,397,300,000 2,335,340,000 2,436,742,000 2,386,565,000 2,190,666,000 2,116,761,000 2,267,158,000 2,198,487,000 2,136,283,000 2,126,854,000 2,021,275,000 2,053,117,000 2,026,549,000 2,111,874,000 2,103,353,000 2,039,470,000 1,981,847,000 2,010,599,000 1,817,106,000 1,922,199,000 1,802,639,000 1,813,047,000 1,850,919,000 1,865,176,000 1,584,517,000 1,642,842,000 1,663,187,000 1,395,578,000 1,268,791,000 1,270,315,000 1,122,081,000 1,044,947,000 801,919,000 857,221,000 925,340,000 894,934,000 889,644,000 826,464,000 793,419,000 718,813,000 565,899,000 669,141,000 752,612,000 1,004,496,000 1,043,180,000 1,149,658,000 1,165,199,000 1,069,531,000 995,902,000 986,756,000 965,797,000 940,958,000 787,321,000 805,826,000 1,012,309,000  859,808,000 1,090,470,000 1,062,383,000 940,133,000 
        long-term debt
      2,851,500,000 3,440,500,000 3,250,000,000 3,056,500,000 2,661,100,000 2,737,900,000 2,695,100,000 2,279,300,000 2,416,100,000 1,989,400,000 2,042,500,000 2,174,200,000 1,903,000,000 1,952,200,000 1,800,900,000 1,851,000,000 1,902,900,000 1,815,300,000 1,276,300,000 1,322,000,000 1,282,600,000 1,294,700,000 1,307,800,000 1,360,700,000 1,137,700,000 1,432,100,000 1,308,000,000 1,295,720,000 1,262,582,000 1,281,489,000 1,304,127,000 1,357,998,000 1,376,770,000 1,318,184,000 1,292,689,000 1,263,845,000 1,224,718,000 1,212,809,000 1,232,717,000 1,250,940,000 1,256,679,000 1,203,436,000 1,084,161,000 1,041,852,000 1,077,964,000 1,008,837,000 938,499,000 938,575,000 665,042,000 663,689,000 560,427,000 541,709,000 549,739,000 555,016,000 546,094,000 516,970,000 494,745,000 482,601,000 473,193,000 453,717,000 413,530,000 412,950,000 431,643,000 421,277,000 430,686,000 444,141,000 441,102,000 476,083,000 514,050,000 512,154,000 541,191,000 587,710,000 656,425,000 674,838,000 509,351,000 500,863,000 490,083,000 428,639,000 428,641,000 433,197,000 158,000,000 158,074,000 158,185,000 158,266,000 158,344,000  
        long-term operating lease liabilities
      206,800,000 229,900,000 272,400,000 280,000,000 278,800,000 276,200,000 284,900,000 214,300,000 205,500,000 209,400,000 218,500,000 228,100,000 236,800,000 238,400,000 236,500,000 230,400,000 247,700,000 256,600,000 213,100,000 208,100,000 200,800,000 207,600,000 207,100,000 214,200,000 208,900,000                                                              
        deferred income taxes
      314,200,000 331,100,000 328,100,000 332,300,000 307,400,000 295,800,000 256,100,000 256,700,000 259,800,000 256,600,000 254,900,000 246,800,000 247,500,000 238,100,000 227,700,000 212,000,000 201,500,000 180,900,000 159,200,000 156,400,000 158,000,000 141,000,000 135,400,000 135,400,000 135,800,000 145,700,000 131,400,000 134,649,000 136,219,000 134,683,000 137,826,000 138,478,000 134,800,000 124,404,000 181,244,000 174,220,000 168,772,000 161,502,000 148,001,000 140,462,000 138,984,000 14,109,000 13,099,000 12,031,000 13,316,000 11,062,000 17,137,000 16,595,000 18,262,000 21,150,000 22,273,000 22,072,000 19,967,000 19,750,000 19,223,000 18,147,000 18,275,000 16,012,000 16,482,000 15,690,000 15,517,000 14,819,000 15,340,000 14,248,000 15,385,000 14,653,000 15,504,000 15,129,000 17,321,000 18,474,000 19,943,000 18,933,000 18,906,000 18,287,000 20,132,000 19,032,000 19,173,000 17,176,000 21,636,000 17,600,000 18,053,000 18,780,000 17,691,000 17,322,000 16,842,000 13,017,000 
        other long-term liabilities
      149,300,000 155,800,000 151,800,000 145,800,000 143,300,000 143,300,000 140,200,000 136,100,000 134,300,000 138,600,000 137,700,000 134,400,000 129,000,000 129,800,000 125,200,000 122,500,000 119,400,000 127,700,000 144,400,000 143,400,000 134,500,000 113,200,000 114,800,000 109,000,000 102,000,000 103,600,000                                                             
        commitments and contingencies
                                                                                            
        stockholders’ equity:
                                                                                            
        common stock, 0.01 par value...
      200,000 200,000 200,000 200,000 200,000 200,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 255,000 255,000 255,000 255,000 255,000 255,000 255,000 255,000 256,000 256,000 257,000 257,000 257,000 257,000 257,000 257,000 258,000 258,000 257,000 258,000 258,000 258,000 257,000 259,000 259,000 259,000 258,000 260,000 261,000 261,000 260,000 262,000 262,000 263,000 261,000 263,000 262,000 262,000 262,000  261,000 261,000 261,000 256,000 256,000 256,000              
        additional paid-in capital
      392,500,000 388,500,000 382,400,000 372,000,000 360,300,000 356,100,000 367,000,000 359,700,000 351,700,000 349,100,000 345,800,000 339,800,000 333,600,000 338,700,000 336,800,000 331,800,000 324,200,000 325,800,000 320,200,000 313,600,000 305,700,000 308,300,000 304,000,000 300,000,000 287,800,000 295,300,000 291,900,000 288,197,000 287,115,000 292,774,000 290,668,000 288,492,000 286,244,000 291,461,000 288,970,000 287,410,000 285,455,000 290,899,000 287,018,000 284,887,000 283,196,000 291,092,000 288,754,000 287,045,000 283,940,000 286,854,000 286,354,000 259,783,000 368,728,000 368,641,000 369,198,000 367,569,000 363,511,000 332,836,000 334,942,000 368,069,000 330,533,000 363,375,000 368,776,000 367,303,000 365,294,000 363,966,000 371,112,000 370,104,000 368,314,000 346,055,000 348,913,000 348,592,000 349,427,000 287,393,000 291,925,000 292,807,000 293,531,000 293,675,000 294,478,000 293,683,000 293,582,000 292,278,000 289,495,000 288,058,000 274,082,000 276,904,000 273,112,000 267,342,000 267,491,000 267,786,000 
        retained earnings
      4,545,500,000 4,421,900,000 4,384,400,000 4,377,900,000 4,243,900,000 4,122,400,000 4,033,900,000 3,923,000,000 3,791,300,000 3,649,800,000 3,547,200,000 3,389,700,000 3,225,500,000 3,073,600,000 2,922,300,000 2,732,500,000 2,542,700,000 2,345,900,000 2,265,000,000 2,099,100,000 1,914,200,000 1,817,900,000 1,723,300,000 1,596,900,000 1,566,700,000 1,542,400,000 1,499,800,000 1,466,963,000 1,422,576,000 1,394,817,000 1,368,946,000 1,339,185,000 1,288,052,000 1,246,323,000 1,141,066,000 1,116,195,000 1,082,101,000 1,053,301,000 1,027,393,000 996,944,000 955,326,000 926,169,000 964,703,000 924,473,000 882,995,000 852,057,000 838,174,000 816,056,000 803,302,000 776,101,000 758,498,000 729,869,000 696,366,000 677,864,000 664,124,000 636,182,000 610,986,000 591,037,000 573,120,000 554,640,000 532,586,000 519,843,000 511,667,000 492,682,000 479,913,000 471,932,000 473,884,000 455,544,000 445,462,000 460,335,000 506,067,000 529,892,000 515,907,000 502,783,000 500,417,000 483,003,000 462,164,000 448,115,000 436,732,000 413,678,000 392,282,000 373,162,000 357,008,000 335,382,000 317,293,000 307,736,000 
        accumulated other comprehensive income
      19,300,000 31,600,000 34,900,000 54,400,000 15,400,000 1,600,000 45,800,000 27,000,000 30,300,000 28,100,000 31,600,000 40,600,000 16,700,000 22,500,000 -4,700,000 -128,300,000 -120,600,000 -156,200,000 -166,100,000 -155,900,000 -156,200,000 -184,000,000 -206,300,000 -213,300,000 -206,000,000 -147,000,000 -169,500,000 -152,530,000 -138,749,000 -137,772,000                                        -38,109,000   -20,310,000 -9,560,000 -1,434,000 2,793,000 -131,000 591,000 399,000 3,768,000 1,468,000      
        treasury stock
      -2,118,000,000 -2,053,200,000 -1,748,900,000 -1,668,600,000 -1,627,400,000 -1,506,200,000 -1,470,800,000 -1,443,700,000 -1,401,100,000 -1,352,800,000 -1,313,500,000 -1,251,500,000 -1,223,700,000 -1,197,500,000 -1,040,500,000 -931,800,000 -797,300,000 -690,400,000 -500,800,000 -503,100,000 -487,300,000 -492,800,000 -464,300,000 -467,900,000 -474,100,000 -435,300,000 -436,200,000 -438,820,000 -443,484,000 -454,380,000 -382,629,000 -328,962,000 -290,522,000 -290,531,000 -292,729,000 -295,945,000 -258,703,000 -267,313,000 -270,250,000 -260,132,000 -181,130,000 -161,282,000 -138,581,000 -104,284,000 -90,242,000 -79,174,000 -79,961,000 -69,099,000 -70,986,000 -58,147,000 -58,668,000 -58,526,000 -60,160,000 -117,617,000 -122,754,000 -125,578,000 -116,379,000 -118,336,000 -125,408,000 -91,144,000 -78,829,000 -80,947,000 -90,405,000 -85,069,000 -69,200,000 -71,837,000 -77,014,000 -79,564,000 -84,097,000 -88,527,000 -94,315,000 -96,700,000 -99,811,000 -102,672,000 -105,568,000 -60,449,000 -49,999,000 -48,396,000 -49,625,000 -51,242,000  -17,400,000   -9,833,000 -25,840,000 
        total stockholders’ equity
      2,839,600,000 2,789,100,000 3,053,100,000 3,136,000,000 2,992,500,000 2,974,300,000 2,976,200,000 2,866,300,000 2,772,400,000 2,674,400,000 2,611,400,000 2,518,900,000 2,352,500,000 2,237,500,000 2,214,100,000 2,004,500,000 1,949,200,000 1,825,200,000 1,918,600,000 1,754,000,000 1,576,600,000 1,449,600,000 1,356,900,000 1,215,900,000 1,174,600,000 1,255,700,000 1,186,300,000 1,164,065,000 1,127,713,000 1,095,694,000 1,148,346,000 1,172,612,000 1,178,079,000 1,124,282,000 1,011,147,000 971,648,000 968,960,000 930,200,000 886,972,000 867,552,000 912,793,000 918,252,000 969,328,000 1,004,151,000 959,827,000 978,010,000 985,325,000 967,070,000 1,057,060,000 1,035,175,000 1,022,942,000 990,489,000 961,157,000 860,284,000 842,284,000 845,774,000 798,965,000 807,100,000 788,764,000 813,906,000 803,696,000 784,368,000 770,475,000 752,570,000 752,021,000 720,156,000 715,429,000 695,227,000 671,325,000 621,353,000 689,994,000 717,158,000 689,573,000 684,481,000 688,146,000 719,283,000 705,868,000 692,840,000 677,251,000 654,512,000 668,080,000  626,521,000 598,684,000 571,113,000 549,815,000 
        total liabilities and stockholders’ equity
      10,062,400,000 10,349,600,000 10,390,600,000 10,229,900,000 9,887,000,000 9,824,200,000 9,976,500,000 8,850,300,000 8,509,900,000 7,774,100,000 7,439,600,000 7,424,600,000 6,923,200,000 6,717,500,000 6,251,500,000 6,102,800,000 6,039,600,000 5,749,400,000 4,757,600,000 4,855,900,000 5,065,100,000 5,089,400,000 4,983,400,000 4,859,600,000 5,441,100,000 5,570,200,000 5,329,000,000 5,225,761,000 5,263,491,000 5,001,075,000 4,880,866,000 4,886,742,000 5,058,478,000 4,871,065,000 4,730,994,000 4,644,585,000 4,489,363,000 4,461,903,000 4,421,064,000 4,500,800,000 4,533,846,000 4,414,929,000 4,292,050,000 4,302,974,000 4,098,467,000 4,141,492,000 3,962,509,000 3,976,890,000 3,825,937,000 3,819,478,000 3,409,908,000 3,409,318,000 3,425,960,000 3,023,015,000 2,866,785,000 2,795,257,000 2,599,824,000 2,476,343,000 2,195,302,000 2,247,877,000 2,259,910,000 2,201,964,000 2,201,512,000 2,099,257,000 2,066,813,000 1,969,414,000 1,819,196,000 1,929,741,000 2,028,131,000 2,310,085,000 2,433,120,000 2,622,996,000 2,601,969,000 2,505,297,000 2,257,396,000 2,269,678,000 2,220,386,000 2,113,955,000 1,941,665,000 1,944,242,000 1,920,227,000   1,929,877,000 1,948,661,000 1,854,032,000 
        floorplan notes payable — credit facility and other, net of offset account of 504.2 and 286.3, respectively
       1,083,500,000                                                                                     
        floorplan notes payable — manufacturer affiliates, net of offset account of — and 2.0, respectively
       832,300,000 792,400,000 753,800,000 741,800,000                                                                                  
        preferred stock, 0.01 par value...
                                                                                            
        floorplan notes payable — credit facility and other, net of offset account of 402.9 and 286.3, respectively
        1,123,900,000                                                                                    
        floorplan notes payable — credit facility and other, net of offset account of 321.0 and 286.3, respectively
         1,191,200,000                                                                                   
        floorplan notes payable — credit facility and other, net of offset account of 105.1 and 286.3, respectively
          1,418,200,000                                                                                  
        floorplan notes payable — credit facility and other, net of offset account of 286.3 and 236.7, respectively
           1,255,300,000                                                                                 
        floorplan notes payable — manufacturer affiliates, net of offset account of 2.0 and 38.5, respectively
           766,700,000                                                                                 
        floorplan notes payable — credit facility and other, net of offset account of 99.8 and 236.7, respectively
            1,443,400,000                                                                                
        floorplan notes payable — manufacturer affiliates, net of offset account of — and 38.5, respectively
            826,100,000  585,400,000                                                                              
        floorplan notes payable — credit facility and other, net of offset account of 79.4 and 236.7, respectively
             1,386,600,000                                                                               
        floorplan notes payable — manufacturer affiliates, net of offset account of 14.8 and 38.5, respectively
             713,300,000                                                                               
        floorplan notes payable — credit facility and other, net of offset account of 210.2 and 236.7, respectively
              1,044,100,000                                                                              
        floorplan notes payable — credit facility and other, net of offset account of 236.7 and 140.2, respectively
               1,153,000,000                                                                             
        floorplan notes payable — manufacturer affiliates, net of offset account of 38.5 and 13.4, respectively
               412,400,000                                                                             
        floorplan notes payable — credit facility and other, net of offset account of 191.7 and 140.2, respectively
                889,000,000                                                                            
        floorplan notes payable — manufacturer affiliates, net of offset account of 19.0 and 13.4, respectively
                353,300,000                                                                            
        floorplan notes payable — credit facility and other, net of offset account of 250.0 and 140.2, respectively
                 843,100,000                                                                           
        floorplan notes payable — manufacturer affiliates, net of offset account of 17.7 and 13.4, respectively
                 317,400,000                                                                           
        floorplan notes payable — credit facility and other, net of offset account of 106.7 and 140.2, respectively
                  848,700,000                                                                          
        floorplan notes payable — manufacturer affiliates, net of offset account of 16.1 and 13.4, respectively
                  297,400,000                                                                          
        floorplan notes payable — credit facility and other, net of offset account of 140.2 and 268.6, respectively
                   762,100,000                                                                         
        floorplan notes payable — manufacturer affiliates, net of offset account of 13.4 and 3.3, respectively
                   243,100,000                                                                         
        floorplan notes payable — credit facility and other, net of offset account of 206.1 and 268.6, respectively
                    542,000,000                                                                        
        floorplan notes payable — manufacturer affiliates, net of offset account of 12.4 and 3.3, respectively
                    203,900,000                                                                        
        floorplan notes payable — credit facility and other, net of offset account of 77.9 and 268.6, respectively
                     576,000,000                                                                       
        floorplan notes payable — manufacturer affiliates, net of offset account of 5.5 and 3.3, respectively
                     204,900,000                                                                       
        floorplan notes payable — credit facility and other, net of offset account of 197.2 and 268.6, respectively
                      460,300,000                                                                      
        floorplan notes payable — manufacturer affiliates, net of offset account of 2.4 and 3.3, respectively
                      244,400,000                                                                      
        long-term assets classified as held for sale
                                                                                            
        floorplan notes payable — credit facility and other, net of offset account of 268.6 and 160.4, respectively
                       295,000,000                                                                     
        floorplan notes payable — manufacturer affiliates, net of offset account of 3.3 and 16.0, respectively
                       236,000,000                                                                     
        long-term liabilities classified as held for sale
                                                                                            
        floorplan notes payable — credit facility and other, net of offset account of 331.2 and 160.4, respectively
                        83,800,000                                                                    
        floorplan notes payable — manufacturer affiliates, net of offset account of 3.5 and 16.0, respectively
                        234,200,000                                                                    
        floorplan notes payable — credit facility and other, net of offset account of 326.1 and 160.4, respectively
                         224,500,000                                                                   
        floorplan notes payable — manufacturer affiliates, net of offset account of — and 16.0, respectively
                         274,000,000                                                                   
        floorplan notes payable — credit facility and other, net of offset account of 231.9 and 160.4, respectively
                          616,400,000                                                                  
        floorplan notes payable — manufacturer affiliates, net of offset account of 12.9 and 16.0, respectively
                          327,800,000                                                                  
        floorplan notes payable — credit facility and other, net of offset account of 160.4 and 106.8, respectively
                           767,600,000                                                                 
        floorplan notes payable — manufacturer affiliates, net of offset account of 16.0 and 4.1, respectively
                           327,500,000                                                                 
        long-term interest rate swap liabilities
                           40,600,000 49,400,000 49,300,000 41,700,000                                                              
        floorplan notes payable — credit facility and other, net of offset account of 108.2 and 106.8, respectively
                            771,300,000                                                                
        floorplan notes payable — manufacturer affiliates, net of offset account of 18.5 and 4.1, respectively
                            314,800,000                                                                
        floorplan notes payable — credit facility and other, net of offset account of 99.7 and 106.8, respectively
                             696,600,000                                                               
        floorplan notes payable — manufacturer affiliates, net of offset account of 8.1 and 4.1, respectively
                             357,700,000                                                               
        floorplan notes payable — credit facility and other, net of offset account of 82.6 and 106.8, respectively
                              1,168,600,000                                                              
        floorplan notes payable — manufacturer affiliates, net of offset account of 0.2 and 4.1, respectively
                              484,900,000                                                              
        floorplan notes payable — credit facility and other, net of offset account of 106.8 and 33.6, respectively
                               1,144,400,000                                                             
        floorplan notes payable — manufacturer affiliates, net of offset account of 4.1 and 0.1, respectively
                               459,900,000                                                             
        operating lease liabilities, net of current portion
                               210,700,000 195,500,000 193,421,000 204,331,000                                                          
        prepaid expenses and other current assets
                                74,400,000 89,705,000 92,036,000 82,734,000 77,996,000 80,957,000 77,888,000 42,062,000 38,111,000 87,470,000 23,216,000 34,908,000 25,555,000 28,919,000 41,463,000 27,852,000 22,556,000 27,851,000 33,037,000 37,699,000 41,570,000 119,013,000 23,257,000 24,041,000 23,775,000 21,443,000 25,698,000 31,869,000 33,217,000 20,154,000 10,112,000 16,925,000 18,232,000 10,615,000 10,541,000 17,332,000 37,520,000 43,977,000 44,375,000 48,425,000 31,781,000 39,016,000 33,044,000 38,878,000 20,877,000 22,286,000 18,734,000 31,168,000 12,558,000 15,025,000 20,922,000 25,098,000 13,080,000 16,926,000 21,614,000 23,283,000 17,395,000 20,781,000 21,685,000 7,550,000 
        other assets
                                21,100,000 14,880,000 18,554,000 27,319,000 36,175,000 33,194,000 31,674,000 24,254,000 20,598,000 18,903,000 21,540,000 23,794,000 12,935,000 12,656,000 9,727,000 15,490,000 15,966,000 19,235,000 18,071,000 21,561,000 13,249,000 14,189,000 14,278,000 16,376,000 15,742,000 16,395,000 20,820,000 10,624,000 11,175,000 12,459,000 14,635,000 12,981,000 13,656,000 8,618,000 9,843,000 9,786,000 10,458,000 10,899,000 12,253,000 13,267,000 17,924,000 18,657,000 19,996,000 42,786,000 23,978,000 25,961,000 27,665,000 28,730,000 25,728,000 34,594,000 30,544,000 29,233,000 31,212,000 38,301,000 34,094,000 23,202,000 19,093,000 18,096,000 20,439,000 5,330,000 
        floorplan notes payable — credit facility and other, net of offset account of 25.0 and 33.6, respectively
                                1,199,800,000                                                            
        floorplan notes payable — manufacturer affiliates, net of offset account of 0.2 and 0.1, respectively
                                410,500,000                                                            
        other liabilities
                                110,500,000 102,566,000 93,474,000 100,948,000 99,457,000 99,296,000 98,159,000 97,125,000 93,474,000 89,953,000 87,876,000 83,805,000 81,785,000 80,534,000 78,915,000 71,865,000 69,694,000 69,534,000 67,703,000 65,896,000 64,259,000 55,900,000 49,052,000 47,975,000 46,200,000 44,810,000 44,440,000 42,413,000 41,047,000 40,702,000 38,613,000 36,470,000 33,252,000 33,436,000 32,274,000 31,036,000 29,585,000 28,711,000 27,780,000 26,633,000 26,925,000 27,080,000 27,486,000 27,135,000 32,493,000 32,089,000 29,732,000 29,017,000 29,111,000 28,878,000 28,293,000 27,826,000 25,505,000 27,812,000 25,517,000 25,356,000 27,156,000 27,466,000 25,605,000 25,830,000 
        current assets
                                                                                            
        current liabilities
                                                                                            
        floorplan notes payable — credit facility and other, net of offset account of 69.3 million and 33.6 million, respectively
                                 1,129,877,000                                                           
        floorplan notes payable — manufacturer affiliates, net of offset account of 0.2 million and 0.1 million, respectively
                                 426,486,000                                                           
        stockholders’ equity
                                                                                            
        floorplan notes payable - credit facility and other
                                  1,255,784,000  1,155,034,000 1,147,892,000 1,199,741,000  1,077,287,000 1,214,084,000 1,170,383,000  1,110,104,000 1,239,220,000 1,239,792,000  1,177,513,000 1,205,729,000 1,138,495,000  1,077,097,000 1,122,333,000 1,108,849,000  960,871,000 1,016,896,000                                   
        offset account related to floorplan notes payable - credit facility
                                  -72,728,000 -33,637,000 -71,397,000 -119,562,000 -74,359,000 -86,547,000 -46,248,000 -55,579,000 -97,149,000 -59,626,000 -59,684,000 -35,461,000 -104,081,000 -110,759,000 -28,073,000 -22,466,000 -79,795,000 -39,616,000 -37,516,000 -64,614,000 -33,646,000 -56,198,000 -47,709,000 -81,996,000 -59,245,000 -112,261,000 -128,264,000  -110,998,000                              
        floorplan notes payable - manufacturer affiliates
                                  444,003,000  415,615,000 404,233,000 420,315,000  399,804,000 430,619,000 392,388,000  387,770,000 397,295,000 437,672,000  347,657,000 308,710,000 290,038,000  293,846,000 298,656,000 314,976,000  308,869,000 301,670,000 291,919,000  172,738,000  154,580,000                      293,119,000        
        offset account related to floorplan notes payable - manufacturer affiliates
                                  -26,000,000 -100,000 -20,500,000 -24,500,000 -24,000,000 -22,500,000 -22,000,000 -21,000,000 -26,750,000 -25,500,000 -22,500,000 -27,500,000 -30,000,000 -25,500,000 -20,001,000 -23,300,000 -21,000,000 -22,500,000 -25,000,000                                        
        current maturities of long-term debt and short-term financing
                                  96,359,000 92,967,000 76,080,000 76,412,000 58,195,000 77,609,000 80,996,000 53,184,000 46,340,000 72,419,000 62,349,000 42,993,000 37,506,000 55,193,000    72,630,000 41,021,000 30,516,000 29,967,000 36,225,000 27,010,000 24,338,000 37,209,000 31,358,000 30,293,000 25,184,000                               
        liabilities from interest rate risk management activities
                                  2,430,000 1,696,000 444,000 1,597,000 3,512,000 8,583,000 16,157,000 18,065,000 17,762,000 20,470,000 45,040,000 49,438,000 43,122,000 31,153,000 39,724,000 29,020,000 33,793,000 25,311,000 23,483,000 27,271,000 25,661,000 26,078,000 29,184,000 28,116,000 40,379,000 43,089,000 44,708,000 38,201,000 27,075,000 26,766,000 25,112,000 16,381,000 14,630,000 16,426,000 19,960,000 21,253,000 21,238,000 20,151,000 37,455,000 37,479,000 46,658,000 44,655,000 17,627,000 15,395,000 33,416,000 16,188,000             
        floorplan notes payable — credit facility and other
                                   1,292,452,000    1,240,695,000    1,136,654,000    1,265,719,000    1,143,246,000    1,143,104,000                                     
        floorplan notes payable — manufacturer affiliates
                                   417,924,000    397,183,000    392,661,000    389,071,000    307,656,000    346,572,000    211,965,000    155,980,000 122,358,000 136,049,000 102,810,000 103,345,000 103,922,000 100,802,000 114,249,000 115,180,000 89,654,000 85,481,000 103,196,000 128,580,000 138,321,000 168,901,000 156,057,000 170,911,000 143,044,000 134,745,000 134,781,000 287,978,000  357,737,000 334,692,000 316,189,000     
        current liabilities from interest rate risk management activities
                                   115,000 311,000 682,000 1,177,000 1,996,000 823,000 1,626,000 2,597,000 3,941,000                 361,000 2,119,000 4,719,000 7,273,000 7,656,000 815,000 709,000 1,098,000 4,357,000 5,500,000 8,304,000 10,412,000                     
        accrued expenses
                                   197,494,000 207,082,000 189,027,000 194,248,000 177,070,000 208,770,000 173,173,000 185,720,000 176,469,000 193,553,000 182,108,000 194,870,000 185,323,000 158,283,000 161,123,000 169,567,000 172,463,000 160,220,000 142,665,000 150,319,000 140,543,000 133,777,000 144,361,000 136,914,000 128,118,000 117,892,000 117,625,000 113,060,000 109,245,000 92,360,000 95,332,000 87,668,000 83,663,000 83,459,000 82,075,000 84,777,000 86,271,000 89,518,000 85,918,000 86,012,000 94,395,000 99,711,000 101,760,000 104,980,000 101,951,000 108,622,000 111,326,000 99,903,000 97,302,000 110,725,000 106,043,000 105,678,000 119,404,000 99,469,000 104,982,000 92,773,000 81,544,000 
        accumulated other comprehensive loss
                                    -128,894,000 -126,358,000 -105,950,000 -123,226,000 -126,415,000 -136,268,000 -140,149,000 -146,944,000 -157,446,000 -154,404,000 -144,856,000 -137,984,000 -145,805,000 -103,341,000 -117,124,000 -81,984,000 -59,500,000 -39,928,000 -44,242,000 -51,677,000 -46,345,000 -48,682,000 -38,819,000 -33,057,000 -34,288,000 -33,160,000 -26,436,000 -29,236,000 -27,986,000 -17,155,000 -15,618,000 -18,755,000 -22,162,000 -25,409,000 -27,268,000 -26,256,000 -30,615,000 -29,606,000 -39,728,000  -13,939,000 -9,097,000          -706,000 -218,000 -189,000 -203,000 -106,000 
        temporary equity - redeemable equity portion of the 3.00% convertible senior notes
                                                      28,194,000 29,094,000 29,974,000 30,835,000 31,679,000 32,505,000 33,313,000                                
        temporary equity - redeemable equity portion of the 2.25% and 3.00% convertible senior notes
                                                     22,860,000                                       
        floorplan notes payable - credit facility
                                                          1,001,054,000  910,849,000  800,976,000                      279,685,000        
        floorplan notes payable — credit facility
                                                           968,959,000    609,738,000 437,052,000 503,072,000 581,319,000 560,840,000 598,738,000 531,788,000 474,086,000 420,319,000 303,431,000 414,012,000 478,613,000 693,692,000 697,399,000 755,009,000 779,354,000 670,820,000 598,167,000 595,070,000 587,600,000 437,288,000  227,649,000 454,187,000 407,396,000     
        floorplan notes payable—credit facility
                                                             886,237,000                               
        offset account related to floorplan notes payable—credit facility
                                                             -101,760,000                               
        floorplan notes payable—manufacturer affiliates
                                                             174,783,000                               
        temporary equity - redeemable equity portion of the
                                                                                            
        3.00% convertible senior notes
                                                              34,880,000                              
        deferred revenues
                                                                2,133,000 2,332,000 2,779,000 3,280,000 3,829,000 4,645,000 4,690,000 5,588,000 6,743,000 7,656,000 8,979,000 10,220,000 11,826,000 13,693,000 15,120,000 16,531,000 17,224,000 18,525,000 19,595,000 20,905,000 21,632,000 22,895,000 24,433,000 25,901,000 27,040,000 28,392,000 30,001,000  
        current maturities of mortgage facility
                                                                  42,600,000 42,600,000                         
        none issued or outstanding
                                                                                            
        26,073 and 26,052 issued, respectively
                                                                        261,000                    
        total liabilities before deferred revenues
                                                                         1,226,858,000 1,347,827,000 1,678,512,000 1,731,300,000 1,892,145,000 1,897,276,000 1,804,285,000 1,552,026,000 1,531,870,000 1,494,923,000 1,400,210,000 1,242,782,000 1,266,835,000 1,227,714,000  1,072,179,000 1,302,801,000 1,347,547,000 1,270,916,000 
        assets related to discontinued operations
                                                                                            
        liabilities related to discontinued operations
                                                                                            
        other real estate related and long-term debt, net of current maturities
                                                                           50,444,000 36,587,000 37,296,000               
        capital lease obligations related to real estate, net of current maturities
                                                                           39,401,000 39,816,000 40,225,000               
        preferred stock, .01 par value...
                                                                                            
        common stock, .01 par value...
                                                                               255,000 253,000 253,000 252,000 252,000 250,000 250,000 248,000 246,000 244,000 242,000 240,000 239,000 
        deferred stock-based compensation
                                                                                       -5,413,000 -3,625,000 -4,093,000 -3,875,000  
        preferred stock, 1,000 shares authorized; none issued or outstanding
                                                                                            
        deferred costs related to insurance policy and vehicle service contract sales
                                                                                       6,217,000 6,477,000 6,915,000 7,456,000 8,865,000 
        acquisition line — credit facility
                                                                                            
        preferred stock, 1,000 shares authorized, none issued or outstanding
                                                                                            
        floorplan notes payable
                                                                                        634,830,000 819,929,000 853,328,000 749,304,000 
        acquisition line
                                                                                        25,000,000 50,000,000 76,000,000  
        total libilities and stockholders’ equity
                                                                                        1,725,740,000    
        preferred stock, 1,000,000 shares authorized; none issued or outstanding
                                                                                            
        cash
                                                                                           34,591,000 
        intangible assets
                                                                                           190,011,000 
        investments related to insurance policy sales
                                                                                           15,224,000 
        debt, net of current maturities
                                                                                           12,481,000 
        senior subordinated notes
                                                                                           144,698,000 
        acquisition line of credit
                                                                                           116,000,000 
        deferred revenues from insurance policy sales
                                                                                           22,485,000 
        deferred revenues from vehicle service contract sales
                                                                                           8,548,000 
        deferred revenues from vehicle maintenance agreement sales
                                                                                           2,268,000 
        preferred stock, 1,000,000 shares authorized, none issued or outstanding
                                                                                            
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-03-31 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 
                                                                                           
          cash flows from operating activities:
                                                                                           
          net income
        130,200,000 43,600,000 13,000,000 140,500,000 128,100,000 94,800,000 117,200,000 138,200,000 147,900,000 108,700,000 163,900,000 170,600,000 158,400,000 156,900,000 195,700,000 196,000,000 202,900,000 87,100,000 172,100,000 191,000,000 101,900,000 100,100,000 126,400,000 30,200,000 29,800,000 48,100,000 38,027,000 49,225,000 38,648,000 30,718,000 34,777,000 56,463,000 35,814,000 110,489,000 29,881,000 39,133,000 33,939,000 30,828,000 35,366,000 46,580,000 34,291,000 -33,386,000 45,261,000 46,309,000 35,815,000 18,677,000 26,162,000 16,862,000 31,303,000 21,721,000 22,118,000 17,132,000 31,335,000 28,625,000 23,117,000 20,855,000 21,494,000 24,683,000 15,362,000 10,569,000 18,985,000 12,769,000 7,981,000 -1,952,000 18,340,000 10,082,000 8,375,000 -44,514,000 -20,571,000 17,216,000 16,376,000 5,473,000 20,816,000 24,216,000 17,447,000 14,787,000 26,420,000 24,872,000 22,311,000 16,154,000 21,626,000 18,089,000 -1,638,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                           
          depreciation and amortization
        31,100,000 31,500,000 31,600,000 28,700,000 29,300,000 31,500,000 29,600,000 28,200,000 23,800,000 23,400,000 23,100,000 23,100,000 22,400,000 22,400,000 21,800,000 23,400,000 21,700,000 21,000,000 19,600,000 18,800,000 19,500,000 19,300,000 19,100,000 18,800,000 18,600,000 18,600,000 18,139,000 17,864,000 16,997,000 17,109,000 16,981,000 16,638,000 16,342,000 15,178,000 15,059,000 14,093,000 13,606,000 13,167,000 12,890,000 12,713,000 12,464,000 11,798,000 11,811,000 11,946,000 11,684,000 10,920,000 10,746,000 10,753,000 9,925,000 9,436,000 8,413,000 8,460,000 8,096,000 7,742,000 7,236,000 7,182,000 6,845,000 6,581,000 6,455,000 6,519,000 6,772,000 6,679,000 6,485,000 6,287,000 6,666,000 6,367,000 6,508,000 6,603,000 6,734,000 6,388,000 5,927,000 5,326,000 5,506,000 5,217,000 4,848,000 4,754,000 4,449,000 4,372,000 4,563,000  4,597,000 4,302,000 5,623,000 
          change in operating lease assets
        7,800,000 7,700,000 7,700,000 7,800,000 7,400,000 7,800,000 7,500,000 6,100,000 5,800,000 6,200,000 6,400,000 6,300,000 6,400,000 6,900,000 7,000,000 7,800,000 7,800,000 6,900,000 6,300,000 5,900,000 5,900,000 5,900,000 5,200,000 6,500,000 6,400,000 7,000,000 6,796,000 6,780,000 7,624,000                                                       
          deferred income taxes
        -13,700,000 3,900,000 1,100,000 11,000,000 8,800,000 15,900,000 8,300,000 -1,200,000 600,000 10,500,000 5,500,000 -4,300,000 7,000,000 10,600,000 6,100,000 4,100,000 7,200,000 23,300,000 3,300,000 -1,500,000 5,900,000 1,900,000 200,000 -2,600,000 -400,000 12,600,000 -1,538,000 1,050,000 4,088,000 -614,000 -1,503,000 2,916,000 2,675,000 -62,165,000 5,007,000 5,592,000 5,503,000 -185,000 6,363,000 2,984,000 5,000,000 -1,251,000 5,035,000 4,780,000 3,320,000 5,825,000 -2,416,000 5,997,000 2,913,000 5,811,000 9,127,000 2,527,000 4,680,000 3,012,000 3,063,000 8,544,000 2,170,000 7,062,000 7,048,000 1,050,000 10,062,000 7,832,000 4,330,000 6,568,000 8,177,000 8,763,000 6,138,000 -30,009,000 -10,777,000            370,000 1,034,000 1,009,000 
          asset impairments
        2,500,000 70,500,000 124,700,000 2,900,000 1,500,000     25,200,000 4,800,000 1,800,000 1,100,000 1,400,000   77,500,000    13,900,000   11,400,000 10,263,000   16,456,000 23,159,000   9,980,000    20,026,000 10,856,000 1,024,000 932,000 85,607,000 916,000   30,426,000 9,373,000   5,368,000  6,988,000 187,000 101,000 797,000 3,644,000 142,000 222,000 7,719,000 1,639,000   18,050,000 702,000   114,937,000    16,083,000 345,000           
          stock-based compensation
        10,900,000 6,500,000 6,700,000 8,200,000 7,600,000 5,200,000 5,800,000 6,600,000 7,600,000 4,600,000 5,000,000 4,700,000 5,800,000 5,800,000 6,200,000 7,000,000 8,000,000 9,300,000 5,800,000 6,800,000 6,400,000 5,300,000 5,300,000 16,600,000 5,100,000 4,400,000 4,397,000 3,923,000 6,080,000 4,473,000 4,350,000 4,249,000 5,642,000 4,294,000 4,147,000 4,385,000 6,074,000 6,194,000 4,710,000 4,658,000 5,511,000 4,684,000 4,714,000 4,565,000 4,888,000 4,141,000 3,985,000 4,226,000 3,660,000 3,426,000 3,403,000 2,988,000 3,028,000 3,021,000 2,894,000 2,586,000 2,775,000 2,814,000 2,744,000 2,437,000 2,329,000 2,479,000 2,697,000                     
          amortization of debt discount and issuance costs
        1,300,000  1,300,000 1,500,000 1,200,000  1,100,000 900,000 800,000  700,000 800,000 700,000  800,000 700,000 800,000  600,000                                                                 
          gain on disposition of assets
        -48,100,000 -9,300,000 -400,000 -500,000 -8,500,000 -3,300,000 -500,000 -21,400,000 -34,300,000 -3,200,000 -8,300,000 -10,300,000 -1,500,000 -300,000 -16,200,000 -3,200,000 -21,400,000 -3,900,000            -6,278,000 -20,170,000 -516,000 67,000 -534,000 -34,000 -280,000 -863,000 -1,195,000 -27,000 -590,000 -8,250,000 38,000 -1,515,000 8,000 1,369,000 -16,714,000 -633,000 -16,000  -578,000    -8,000                             
          unrealized loss on derivative instruments
        -600,000 200,000 200,000 400,000 500,000              -900,000                                                                 
          other
        -500,000 300,000 -300,000 -400,000 400,000 300,000 -300,000 -500,000 -900,000 -200,000 300,000 -1,900,000 -800,000 -1,200,000 2,400,000 100,000 600,000 1,700,000 800,000 -500,000 300,000 200,000 1,300,000 400,000 400,000 197,000 269,000 234,000 307,000 524,000 71,000 -6,000 141,000 128,000 195,000 -871,000 -56,000 392,000 -167,000 666,000 -101,000 1,157,000 549,000 1,729,000 2,639,000 901,000 602,000 544,000 1,364,000 804,000 2,356,000 845,000 344,000 420,000 2,119,000 267,000 217,000 152,000 1,547,000 536,000 -900,000 233,000 1,240,000 -9,396,000 8,832,000 -649,000 -4,149,000 1,356,000 -1,852,000 6,135,000 -19,373,000 8,452,000 5,276,000 8,303,000 -20,101,000 3,843,000 8,344,000 5,215,000     
          changes in assets and liabilities, net of acquisitions and dispositions:
                                                                                           
          accounts payable and accrued expenses
        -9,600,000 -2,700,000 32,000,000 -48,300,000 -8,200,000 67,600,000 19,000,000 -103,000,000 107,100,000 -40,100,000 -6,500,000 58,100,000 27,700,000 15,500,000 40,900,000 -13,900,000 24,000,000 69,700,000 -50,500,000 10,600,000 18,300,000 12,900,000 -10,800,000 50,100,000 -98,100,000 24,000,000 21,753,000 -24,271,000 101,618,000 -17,034,000 9,360,000 -39,079,000 65,200,000 -49,587,000 113,643,000 -37,644,000 9,164,000 -2,779,000 63,432,000 -16,707,000 32,180,000 -5,750,000 -339,000 41,526,000 -10,329,000 -17,567,000 24,528,000 -16,172,000 46,555,000 50,644,000 53,266,000 10,580,000 1,671,000 9,785,000 7,838,000 37,305,000 14,832,000 14,454,000 10,436,000 6,506,000 -6,075,000 -7,261,000 22,960,000 -1,003,000 2,251,000 -7,014,000 -10,715,000 -21,804,000 -16,615,000 -71,000 -357,000 -28,307,000 -4,412,000 13,102,000 8,805,000 2,913,000 -818,000 -5,664,000 -20,777,000  -22,212,000 12,616,000 5,793,000 
          accounts and notes receivable
        -2,400,000 -300,000 -19,100,000 30,200,000 -13,000,000 -17,300,000 5,700,000 400,000 -21,700,000 -13,900,000 -8,500,000 -9,700,000 -5,300,000 -10,100,000 -7,200,000 10,400,000 -10,500,000 -8,000,000 15,500,000 12,100,000 -8,400,000    41,600,000 -900,000 -36,200,000 -4,555,000 9,155,000 -25,491,000 7,246,000 8,458,000 12,727,000 -1,782,000 -22,474,000 -7,926,000 21,508,000 -19,033,000 -8,194,000 -2,240,000 10,804,000 -11,066,000 -8,220,000 -4,876,000 6,275,000 -13,617,000 -1,737,000 -9,647,000 4,822,000 -12,304,000 1,838,000 -13,457,000 21,400,000 -21,859,000 7,139,000 -21,783,000 -55,000 -3,315,000 7,278,000 -9,097,000 1,572,000 -3,228,000 -3,091,000 -10,014,000 6,997,000 1,213,000 12,655,000 -587,000 11,663,000 -2,828,000 1,858,000 -3,363,000 1,147,000 -4,163,000 -593,000 -6,228,000 2,471,000 -539,000 7,363,000  5,772,000   
          inventories
        -40,100,000 -64,100,000 -75,000,000 -16,600,000 108,000,000 64,400,000 10,200,000 -254,200,000 -74,800,000 -253,300,000 -30,500,000 -111,200,000 -172,600,000 -125,500,000 -73,100,000 -56,700,000 -26,800,000 -113,200,000 198,600,000 295,100,000 149,300,000 -83,500,000 -37,100,000 662,400,000 -125,700,000 -70,500,000 10,012,000 59,746,000 -28,058,000 -114,349,000 -13,535,000 40,119,000 7,153,000 -112,475,000 210,619,000 -67,911,000 -74,254,000 18,480,000 82,919,000 33,657,000 -55,737,000 -118,180,000 20,284,000 -87,269,000 -1,469,000 -51,926,000 54,862,000 -13,866,000 38,269,000 -133,877,000 -84,053,000 -85,087,000 -33,063,000 -75,482,000 -84,600,000 -119,114,000 58,901,000 47,067,000 5,736,000 -21,302,000 -58,570,000 -46,143,000 -48,234,000 -130,150,000 69,500,000 101,620,000 202,026,000 29,113,000 72,535,000 43,374,000 -87,648,000 -63,630,000 71,772,000 -11,445,000 17,572,000 -45,836,000 99,916,000 -4,402,000 -82,806,000  159,747,000 60,439,000 -28,497,000 
          contracts-in-transit and vehicle receivables
        -7,900,000 10,500,000 12,800,000 87,500,000 -71,800,000 -28,200,000 48,600,000 -8,500,000 26,800,000 -67,500,000 -30,500,000 -32,900,000 42,800,000 -48,800,000 600,000 -6,800,000 -400,000 -49,500,000 53,800,000 32,800,000 -43,500,000 10,500,000 -44,200,000 -58,000,000 135,200,000 4,600,000 -4,328,000 7,311,000 5,117,000 -30,708,000 13,486,000 45,488,000 11,237,000 -18,211,000 -68,678,000 -2,735,000 56,140,000 -65,202,000 4,914,000 -5,595,000 50,262,000 -47,414,000 26,227,000 -7,244,000 10,487,000 -44,369,000 18,875,000 -1,816,000 16,780,000 -64,258,000 14,065,000 -54,226,000 1,264,000 5,825,000 18,046,000 -67,346,000 5,398,000 11,750,000 -3,623,000 -21,330,000 18,893,000 -5,684,000 -19,097,000 -19,409,000 11,762,000 7,237,000 16,910,000 -13,821,000 57,025,000 5,627,000 38,555,000 -34,476,000 15,358,000 7,951,000 6,843,000 -43,337,000 301,000 11,616,000 30,185,000  42,651,000 -14,879,000 7,630,000 
          prepaid expenses and other assets
        31,100,000 -2,300,000 -16,400,000 5,600,000 8,700,000 -10,200,000 -12,300,000 -12,000,000 16,400,000 -14,000,000 -5,000,000 -12,400,000 10,200,000 -6,000,000 -4,400,000 700,000 10,100,000 7,900,000 -2,800,000 700,000 -7,900,000 15,800,000 45,900,000 -6,600,000 1,800,000 -33,500,000 6,000,000 1,172,000 -17,672,000 6,145,000 -12,619,000 2,706,000 -12,548,000 -4,592,000 80,000 -5,787,000 3,410,000 -9,713,000 2,384,000 11,097,000 4,476,000 -4,654,000 -1,926,000 838,000 2,589,000 -18,308,000 12,265,000 -2,039,000 2,697,000 895,000 1,764,000 -4,127,000 360,000 1,763,000 4,452,000 -7,792,000 -4,476,000 -375,000 1,397,000 -138,000 5,266,000 172,000 1,622,000 -6,459,000 7,668,000 -5,933,000 5,569,000 -16,625,000 3,108,000 2,651,000 12,561,000 -16,364,000 3,101,000 8,176,000 1,902,000 -7,409,000 2,426,000 4,095,000 2,103,000  4,172,000 1,382,000 6,096,000 
          floorplan notes payable — manufacturer affiliates
        10,000,000 39,200,000 43,100,000 -600,000 -32,100,000 -49,400,000 11,400,000 101,700,000 55,900,000 16,400,000 40,200,000 17,700,000 52,400,000 31,400,000 3,600,000 -38,900,000 11,400,000 21,800,000 -55,900,000 -56,100,000 -500,000 5,700,000 -47,600,000 -126,200,000 35,900,000                               33,729,000 -13,416,000 33,248,000 -804,000 -299,000 2,296,000 -11,884,000 -693,000 25,309,000 4,265,000 -18,434,000 -25,285,000 -7,817,000 -29,744,000 11,307,000 -14,829,000 28,109,000 7,908,000 -47,000 -150,688,000   28,039,000 18,503,000     
          deferred revenues
        -1,800,000 -200,000 -600,000 -300,000 -400,000 -500,000 -100,000 -300,000 -300,000 -400,000 -100,000 -100,000 -100,000 -200,000 -100,000 -400,000 -100,000 -900,000 -100,000 -100,000 -100,000 -100,000 -200,000 -100,000 -98,000 -124,000 -178,000 -23,000 -46,000 -77,000 -655,000 42,000 718,000 -79,000 -164,000 -65,000 -57,000 -140,000 -131,000 2,000 -302,000 -183,000 -136,000 -293,000 -403,000 -299,000 504,000 -114,000 79,000 -53,000 -704,000 767,000 -173,000 -182,000 -297,000 -447,000 -501,000 -549,000 -816,000 -45,000 -898,000 -1,155,000 -913,000 -1,323,000 -1,241,000 -1,606,000 -1,867,000 -1,427,000 -1,411,000 -693,000 -1,301,000 -1,070,000 -1,310,000 -727,000 -1,263,000 -1,538,000 -1,467,000  -1,377,000 -1,653,000 -2,051,000 
          operating lease liabilities
        -7,900,000 -7,000,000 -7,700,000 -6,500,000 -8,100,000 -2,100,000 -8,300,000 -5,800,000 -6,700,000 -6,100,000 -5,700,000 -6,500,000 -6,100,000 -7,500,000 -7,000,000 -6,800,000 -8,100,000 -7,000,000 -7,100,000 -5,200,000 -6,600,000 -6,000,000 -2,500,000 -6,500,000 -7,300,000 -7,000,000 -6,751,000 -6,135,000 -8,414,000                                                       
          net cash from operating activities
        92,400,000 129,200,000 155,000,000 251,600,000 158,700,000 212,600,000 243,900,000 -124,100,000 253,900,000 -202,300,000 153,500,000 95,600,000 143,400,000 52,500,000 173,200,000 133,400,000 226,800,000 142,100,000 365,400,000 512,800,000 239,300,000 92,700,000 24,500,000 644,100,000 44,100,000 60,100,000 57,852,000 125,009,000 127,939,000 -87,437,000 94,309,000 114,324,000 148,782,000 -110,942,000 255,182,000 -16,876,000 71,561,000 -1,755,000 213,745,000 56,792,000 116,075,000 -89,821,000 150,293,000 22,408,000 58,167,000 -73,548,000 140,903,000 -2,259,000 133,192,000 -76,594,000 61,926,000 -68,031,000 38,430,000 -36,271,000 -9,450,000 -101,802,000 100,744,000 145,919,000 54,455,000 -16,281,000 3,866,000 -35,969,000 -20,082,000        -22,833,000 -85,618,000 128,692,000 47,569,000 -86,871,000 -73,957,000 73,013,000 69,195,000 -14,807,000  44,417,000 35,055,000 19,265,000 
          capital expenditures
        -84,000,000 -77,800,000 -68,300,000 -71,700,000 -52,200,000 -92,500,000 -49,700,000 -39,700,000 -63,200,000 -48,000,000 -50,700,000 -50,900,000 -35,800,000 -62,200,000 -30,300,000 -29,100,000 -33,900,000 -55,200,000 -24,600,000 -26,500,000 -37,300,000 -24,400,000 -18,300,000 -28,900,000 -31,600,000 -30,262,000 -67,527,000 -36,617,000 -22,818,000 -32,484,000 -37,718,000 -41,882,000 -71,522,000 -77,785,000 -16,997,000 -39,164,000 -30,829,000 -56,741,000 -37,603,000 -11,428,000 -41,913,000 -32,359,000 -29,633,000 -13,122,000 -59,047,000 -22,619,000 -41,631,000 -26,439,000 -28,314,000 -15,585,000 -18,307,000 -29,549,000 -17,820,000 -16,770,000 -8,356,000 -21,580,000 -8,166,000 -15,306,000 -9,023,000 -10,678,000 -2,998,000        -84,249,000 -27,676,000 -63,186,000 -32,953,000 -22,882,000 -20,917,000 -20,555,000 -14,760,000 -15,318,000  -16,746,000 -16,116,000 -12,145,000 
          free cash flows
        8,400,000 51,400,000 86,700,000 179,900,000 106,500,000 120,100,000 194,200,000 -163,800,000 190,700,000 -250,300,000 102,800,000 44,700,000 107,600,000 -9,700,000 142,900,000 104,300,000 192,900,000 86,900,000 340,800,000 486,300,000 202,000,000 68,300,000 6,200,000 615,200,000 12,500,000 60,100,000 27,590,000 57,482,000 91,322,000 -110,255,000 61,825,000 76,606,000 106,900,000 -182,464,000 177,397,000 -33,873,000 32,397,000 -32,584,000 157,004,000 19,189,000 104,647,000 -131,734,000 117,934,000 -7,225,000 45,045,000 -132,595,000 118,284,000 -43,890,000 106,753,000 -104,908,000 46,341,000 -86,338,000 8,881,000 -54,091,000 -26,220,000 -110,158,000 79,164,000 137,753,000 39,149,000 -16,281,000 -5,157,000 -46,647,000 -23,080,000        -107,082,000 -113,294,000 65,506,000 14,616,000 -109,753,000 -94,874,000 52,458,000 54,435,000 -30,125,000  27,671,000 18,939,000 7,120,000 
          cash flows from investing activities:
                                                                                           
          cash paid for acquisitions
        -600,000                                                                                   
          proceeds from disposition of franchises, property and equipment
        266,500,000 64,100,000 5,300,000 45,400,000 30,700,000 11,200,000 17,400,000 75,900,000 125,200,000 39,900,000 73,100,000 71,600,000 9,200,000 8,800,000 36,400,000 16,700,000 79,500,000 5,000,000 9,400,000 10,400,000 28,500,000 700,000 100,000 500,000 300,000 5,162,000 2,813,000 35,125,000 170,000 31,781,000 72,983,000 2,940,000 5,575,000 2,551,000 375,000 2,207,000 13,771,000 9,087,000 114,000 13,871,000 31,897,000 2,345,000 6,168,000 1,171,000 5,797,000 129,036,000 9,567,000 197,000 365,000 17,523,000 38,940,000 44,000 74,000 139,000 271,000 594,000                           
          purchases of property and equipment
        -84,000,000 -77,800,000 -68,300,000 -71,700,000 -52,200,000 -92,500,000 -49,700,000 -39,700,000 -63,200,000 -48,000,000 -50,700,000 -50,900,000 -35,800,000 -62,200,000 -30,300,000 -29,100,000 -33,900,000 -55,200,000 -24,600,000 -26,500,000 -37,300,000 -24,400,000 -18,300,000 -28,900,000 -31,600,000                                    -9,023,000 -10,678,000 -2,998,000 -9,849,000 -2,350,000 -2,381,000 -6,980,000 -12,551,000 -15,289,000 -30,745,000 -84,249,000 -27,676,000 -63,186,000 -32,953,000 -22,882,000 -20,917,000 -20,555,000 -14,760,000 -15,318,000 -13,549,000 -16,746,000 -16,116,000 -12,145,000 
          escrow payments for acquisitions
          1,100,000 1,500,000 -4,500,000  54,300,000                                                                             
          net cash from investing activities
        181,800,000 -12,200,000 -287,800,000 -330,300,000 -41,000,000 -73,300,000 -540,300,000 -50,800,000 -618,200,000 -20,300,000 23,300,000 -264,500,000 -104,600,000 -158,700,000 -30,300,000 -91,100,000 -204,500,000 -1,088,200,000 -69,700,000 -17,100,000 -76,700,000 4,100,000 -17,600,000 -30,100,000 -31,100,000 -98,100,000 -121,895,000 -64,819,000 -6,786,000 -22,529,000 -57,645,000 28,540,000 -116,367,000 -65,865,000 -126,929,000 -77,924,000 -41,880,000 -17,017,000 -49,153,000 -36,823,000 -71,047,000 -9,642,000 -109,224,000 -93,795,000 -71,841,000 -79,417,000 -73,271,000 -113,278,000 -81,085,000 -202,068,000 -60,268,000 -43,124,000 -28,551,000 -80,274,000 -72,509,000 -63,975,000 -21,322,000 -81,485,000 -45,991,000 -39,803,000 -5,886,000 12,315,000 -21,413,000        -73,160,000 -182,271,000 -56,089,000 -33,229,000 -121,576,000 -77,116,000 -154,709,000 9,956,000 -47,389,000  -12,625,000 -25,250,000 -13,271,000 
          cash flows from financing activities:
                                                                                           
          borrowings on credit facility — floorplan line and other
        4,625,500,000 4,514,100,000 4,329,300,000 3,640,100,000 3,410,200,000 3,341,100,000 2,761,200,000 3,177,000,000 3,313,700,000 3,130,600,000 3,229,700,000 2,629,900,000 2,376,000,000 2,687,800,000 2,241,300,000 2,310,600,000 2,996,400,000 2,537,100,000 1,588,800,000 1,896,900,000 2,310,400,000 2,407,600,000 4,644,200,000 1,254,700,000 1,691,600,000                                                           
          repayments on credit facility — floorplan line and other
        -4,305,900,000 -4,554,900,000 -4,392,100,000 -3,880,700,000 -3,253,700,000 -3,514,300,000 -2,863,800,000 -2,808,700,000 -3,304,100,000 -2,830,700,000 -3,181,600,000 -2,637,200,000 -2,290,900,000 -2,472,300,000 -2,271,300,000 -2,191,500,000 -2,831,400,000 -2,322,600,000 -1,728,400,000 -2,289,200,000 -2,461,600,000 -2,413,300,000 -4,579,300,000 -1,715,800,000 -1,665,600,000                                                           
          borrowings on credit facility — acquisition line
        250,000,000 454,000,000 350,000,000 600,000,000 399,900,000 233,100,000 628,000,000 144,200,000 320,000,000   120,600,000 18,000,000 120,000,000 148,000,000 282,000,000 6,900,000   254,000,000 30,000,000                                       9,000,000 20,000,000 60,000,000 60,000,000 35,000,000         15,000,000     
          repayments on credit facility — acquisition line
        -710,000,000 -200,000,000 -50,000,000 -230,000,000 -454,600,000 -303,200,000 -754,900,000 -397,000,000 -98,000,000 -125,000,000 -53,200,000 -18,300,000 -65,000,000 -170,000,000 -176,300,000 -6,700,000 -27,700,000   -13,000,000 -81,300,000 -185,200,000 -30,000,000                                       -39,000,000 -50,000,000 -50,000,000 -25,000,000 -70,000,000 -80,000,000 -70,000,000       -15,000,000     
          debt issuance costs
         -200,000 -6,500,000 -500,000 -7,000,000 -2,200,000 -1,600,000 -200,000 -100,000 -600,000 -300,000 -3,700,000                                                                   
          borrowings on other debt
        26,700,000 53,100,000 13,500,000 40,000,000 12,700,000 220,900,000 108,500,000 169,800,000 207,200,000 13,800,000 48,200,000 56,800,000 31,400,000 19,500,000 72,800,000 52,100,000 171,100,000 224,300,000 20,100,000 49,800,000 40,100,000 19,000,000 211,700,000 13,900,000 27,300,000 46,600,000 53,932,000 56,539,000 20,329,000 32,725,000 12,156,000 45,528,000 65,614,000 39,386,000 121,179,000   12,186,000 18,133,000 12,238,000 7,415,000 26,480,000 7,631,000 12,066,000 13,678,000 12,427,000 25,672,000                                     
          principal payments on other debt
        -73,000,000 -74,200,000 -56,400,000 -62,800,000 -67,100,000 -80,000,000 -45,600,000 -39,100,000 -28,600,000 -40,400,000 -49,100,000 -47,200,000 -86,900,000 -39,900,000 -40,200,000 -15,200,000 -191,100,000 -43,600,000 -51,800,000 -46,500,000 -45,400,000   -37,600,000 -26,000,000 -33,000,000 -43,513,000 -63,494,000 -26,693,000 -13,238,000 -29,767,000 -35,706,000 -40,078,000 -32,498,000 -88,159,000 -310,000 -232,000 -14,096,000 -9,584,000 -9,480,000 -12,768,000 -20,840,000 -15,987,000 -16,298,000 -10,644,000  -23,100,000                                     
          proceeds from employee stock purchase plan
        7,900,000 6,100,000 7,400,000 8,500,000 7,600,000 5,700,000 5,700,000 6,500,000 6,500,000 4,700,000 5,200,000 5,700,000 5,700,000 3,600,000 4,500,000 5,600,000 5,800,000 3,300,000 3,900,000 4,500,000 3,500,000 2,600,000 2,500,000 2,000,000 2,500,000                                                           
          payments of tax withholding for stock-based compensation
        -6,600,000 -2,600,000 -800,000 -1,200,000 -8,800,000 -24,900,000 -1,200,000 -1,300,000 -5,600,000 -2,700,000 -1,100,000 -400,000 -7,900,000 -2,700,000 -1,500,000 -500,000 -7,100,000                                                                   
          repurchases of common stock, amounts based on settlement date
        -72,400,000 -305,000,000 -82,500,000 -44,500,000 -122,800,000 -32,000,000 -29,800,000 -46,000,000 -53,800,000 -42,300,000 -64,500,000 -31,300,000 -34,700,000 -161,700,000 -105,400,000 -138,900,000 -115,200,000 -192,000,000   -31,300,000 -48,900,000     -75,295,000 -57,347,000 -42,077,000 -9,199,000 -1,069,000   -12,360,000 -83,301,000 -31,945,000 -30,727,000 -33,625,000 -16,946,000 -16,175,000 -19,855,000 -5,000 -16,942,000   -2,821,000   -5,865,000 -30,903,000   -7,522,000          -1,000 -47,035,000 -13,000,000 -3,003,000 -382,000 -917,000 -52,954,000 -711,000     
          dividends paid
        -6,600,000 -6,100,000 -6,400,000 -6,500,000 -6,600,000 -6,200,000 -6,300,000 -6,300,000 -6,400,000 -6,200,000 -6,300,000 -6,300,000 -6,400,000 -5,600,000 -6,000,000 -6,000,000 -6,100,000 -6,000,000 -6,200,000 -6,100,000 -5,600,000 -5,500,000 -5,500,000 -5,500,000 -5,109,000 -4,850,000 -4,841,000 -4,858,000 -5,178,000 -5,341,000 -5,495,000 -5,245,000 -5,021,000 -5,050,000 -5,150,000 -4,933,000 -4,930,000 -4,976,000 -5,148,000 -5,161,000 -5,044,000 -4,845,000 -4,892,000 -4,806,000 -4,056,000 -4,120,000 -4,115,000 -4,129,000 -3,627,000 -3,404,000 -3,420,000 -3,429,000 -3,180,000 -2,949,000 -3,014,000 -2,629,000 -2,619,000         -1,218,000 -3,254,000 -3,231,000 -3,252,000 -3,107,000 -3,402,000 -3,377,000 -3,398,000 -3,404,000 -3,366,000 -3,476,000 -3,191,000     
          net cash from financing activities
        -264,400,000 -115,600,000 111,700,000 56,400,000 -83,600,000 -159,800,000 294,500,000 197,000,000 349,400,000 226,900,000 -144,700,000 170,000,000 -67,000,000 131,100,000 -154,500,000 -34,200,000 -9,700,000 668,200,000 -195,100,000 -381,500,000 -165,600,000 -77,700,000 -11,400,000 -560,500,000 -18,500,000 23,100,000 67,668,000 -55,269,000 -102,499,000 94,699,000 -45,776,000 -130,932,000 -27,534,000 139,586,000 -88,693,000 87,746,000 -17,163,000 17,046,000 -166,728,000 -18,800,000 -36,525,000 90,778,000 -39,692,000 67,962,000 1,961,000 144,852,000 -36,625,000 105,804,000 -42,381,000 274,448,000 11,597,000 77,001,000 20,189,000 105,501,000 88,132,000 169,441,000 -80,239,000 -96,931,000 16,378,000 -20,107,000 65,787,000 27,508,000 56,522,000        82,668,000 223,065,000 -45,508,000 148,000 206,157,000 155,529,000 39,099,000 -36,929,000 59,733,000  -26,713,000 -8,799,000 -16,301,000 
          effect of exchange rate changes on cash
        -700,000 300,000 -700,000 4,400,000 2,000,000 -3,700,000   -300,000 -2,000,000 500,000 1,600,000 2,400,000 -4,500,000 -3,100,000 400,000 -400,000 -2,300,000 1,500,000 -1,300,000 2,000,000 -2,000,000 -3,400,000 -1,600,000 -545,000 -236,000 -519,000 -404,000 -129,000 -2,859,000 47,000 -875,000 750,000 -143,000 260,000 -200,000 89,000 1,415,000 841,000 -246,000 -3,634,000 1,371,000 -2,983,000 -1,564,000 -1,650,000 13,341,000 -12,254,000 -1,849,000 -176,000 -18,000 -790,000 -728,000 248,000 -69,000 -168,000 -22,000 119,000 -128,000 209,000 160,000 -76,000 -577,000 168,000 1,444,000 -205,000 -5,845,000 49,000 15,000 -45,000 -6,000 -18,000           
          net increase in cash and cash equivalents
        9,200,000 1,700,000 -21,900,000 -17,800,000 36,100,000 -24,300,000 -5,700,000   4,300,000 30,200,000 1,500,000 -26,600,000 27,300,000 -16,100,000 4,900,000 13,100,000 -278,300,000 98,300,000               -38,096,000 40,310,000 -7,197,000 12,778,000 -1,926,000 -2,047,000 2,584,000 9,344,000 -8,931,000 -2,257,000 -2,054,000 -14,696,000 -9,677,000 29,357,000 3,608,000 -2,528,000 -6,063,000 13,079,000 -34,172,000   6,421,000 3,595,000 -985,000 -32,519,000 24,961,000 -76,319,000 63,976,000 4,014,000 14,951,000  -7,645,000   -19,063,000 2,239,000   -44,830,000        4,167,000 5,079,000 1,006,000 -10,307,000 
          cash and cash equivalents, beginning of period
        32,500,000 34,400,000 57,200,000 47,900,000 18,700,000                 20,992,000 13,037,000 40,975,000 20,215,000 4,650,000 14,895,000 19,843,000 13,221,000 23,144,000 499,000 33,749,000 39,313,000 37,695,000 37,750,000 
          cash and cash equivalents, end of period
        41,700,000 1,700,000 -21,900,000 -17,800,000 70,500,000 -24,300,000 -5,700,000 22,500,000 41,900,000 4,300,000 30,100,000 1,500,000 21,300,000 27,400,000 -16,200,000 4,900,000 31,800,000  98,200,000               -38,096,000 40,310,000 -7,197,000 33,770,000 -1,926,000 -2,047,000 2,584,000 22,381,000 -8,931,000 -2,257,000 -2,054,000 26,279,000 -9,677,000 29,357,000 3,608,000 17,687,000 -6,063,000 17,729,000 -34,172,000 29,278,000 -11,772,000 21,316,000 3,595,000 -985,000 -32,519,000 44,804,000 -76,319,000 63,976,000 4,014,000 28,172,000 -1,661,000 -7,645,000 917,000 21,610,000 -19,063,000 2,239,000 19,589,000 20,379,000 -44,830,000 27,077,000 14,479,000 37,023,000 4,456,000 -42,597,000 42,222,000 35,232,000 4,167,000 5,079,000 1,006,000 27,443,000 
          amortization of debt discount and issue costs
                            600,000 600,000 700,000 900,000 1,000,000 900,000 1,037,000 1,117,000 946,000 946,000 949,000 876,000 650,000 809,000 1,003,000 937,000 912,000 911,000 698,000 1,601,000 484,000 925,000 915,000 913,000 899,000 898,000 2,426,000 3,623,000 3,612,000 3,435,000 3,386,000 3,331,000 3,271,000 3,218,000 3,170,000 3,119,000 3,023,000 2,970,000 2,878,000 3,986,000 2,379,000 2,322,000 1,635,000 1,617,000   1,971,000              464,000 414,000 506,000 
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 51.2, 50.3 and 66.3, respectively
                                                                                           
          borrowings of senior notes
                                                                                         
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 51.2 and 50.3, respectively
                                                                                           
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 26.8 and 50.3, respectively
                                                                                           
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of — and 50.3, respectively
            -15,100,000                                                                               
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 50.3, 66.3 and 25.3, respectively
                                                                                           
          proceeds from sale of discontinued operations
                                                                                          
          unrealized gain on derivative instruments
              1,000,000 200,000 -500,000 1,200,000 -400,000 -500,000 -4,000,000                                                                       
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 50.3 and 64.9, respectively
              -562,200,000                                                                             
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 50.3 and 9.3, respectively
                -689,700,000                                                                           
          net decrease in cash and cash equivalents
                -15,300,000                                                          -1,534,000    -13,370,000   14,479,000 -2,290,000 4,456,000   -2,463,000     
          loss on extinguishment of debt
                                                                                         
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 66.3, 25.3 and 65.2, respectively
                                                                                           
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 64.9 and 7.7, respectively
                                                                                           
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 64.9 and 2.4, respectively
                                                                                           
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 9.3 and 1.9, respectively
                    -76,900,000                                                                       
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 25.3, 65.2 and —, respectively
                                                                                           
          repayments of senior notes
                             -550,000,000                                                             
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 7.7 and 5.3, respectively
                                                                                           
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 2.4 and 5.3, respectively
                                                                                           
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 1.9 and 5.3, respectively
                        -247,700,000                                                                   
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 65.2, — and 25.2, respectively
                                                                                           
          debt issue costs
                               -1,100,000 -100,000 -2,200,000 -144,000                   -660,000             -659,000 -3,300,000    135,000 -365,000 -80,000 -3,231,000 -319,000         
          payments of tax withholding for stock-based awards
                           -500,000 -7,000,000 -700,000                                                              
          cash, cash equivalents and restricted cash, beginning of period
                           87,300,000 28,100,000                                                          
          cash, cash equivalents and restricted cash, end of period
                            82,900,000 21,100,000 -6,500,000 53,500,000 19,200,000 -16,500,000                                                          
          cash paid for acquisitions, net, including repayment of sellers’ floorplan notes payable of 5.3 and —, respectively
                                                                                           
          cash paid for acquisitions, net of cash received
                           -49,900,000   -46,200,000                                                          
          loss on disposition of assets
                            -1,100,000                                    -181,000                           
          net increase in cash, cash equivalents and restricted cash
                            -4,300,000 21,100,000 -6,500,000 53,500,000 -8,900,000 -16,600,000 3,080,000 4,685,000 18,135,000                                                       
          proceeds from termination of mortgage swap
                                                                                         
          accounts and notes receivables
                              -39,600,000                                                             
          repayments on other debt
                                                                                           
          (gain) loss on disposition of assets
                                 85,000 -207,000 -5,778,000                                                       
          (gain) loss on extinguishment of debt
                                                                                           
          borrowings on debt related to real estate
                               169,700,000 18,900,000                 9,596,000 4,830,000 17,600,000 46,351,000 33,069,000                                     
          principal payments on debt related to real estate
                               -7,000,000 -7,600,000 -34,500,000 -59,513,000 -32,423,000 -20,864,000 -8,225,000 -19,874,000 -25,549,000 -37,819,000 -8,122,000 -7,372,000 -7,066,000 -6,831,000  -6,630,000 -6,677,000 -5,538,000  -5,847,000 -7,067,000 -5,622,000  -22,788,000                                     
          payment of tax withholding for stock-based awards
                               -100,000 -5,000,000                                                           
          changes in operating assets and liabilities, net of effects of acquisitions and dispositions:
                                                                                           
          floorplan notes payable - manufacturer affiliates
                                  -9,939,000 11,307,000 -2,468,000  17,458,000 -8,602,000 5,067,000  -42,943,000 40,905,000 -3,126,000  -1,796,000 -32,678,000 15,410,000  45,110,000 11,465,000 -6,589,000  -24,697,000 -24,815,000 -27,643,000  29,043,000    -1,654,000                             
          purchases of property and equipment, including real estate
                                  -30,262,000 -67,527,000 -41,711,000 -22,818,000 -29,985,000 -40,282,000 -47,948,000 -71,522,000 -77,044,000 -20,815,000 -46,451,000 -30,829,000 -55,420,000 -36,570,000 -33,702,000 -41,913,000 -29,853,000 -25,329,000 -23,157,000 -59,047,000 -22,619,000 -41,631,000 -27,095,000 -38,968,000 -19,971,000 -20,614,000 -29,443,000 -20,817,000 -17,617,000 -15,506,000 -21,580,000 -8,166,000 -15,306,000                         
          borrowings on credit facility - floorplan line and other
                                  2,004,670,000 1,674,986,000 1,631,544,000  1,783,012,000 1,667,606,000 1,656,192,000  1,684,018,000 1,775,209,000 1,594,371,000  1,667,600,000 1,724,599,000 1,648,527,000  1,978,812,000 1,953,492,000 1,597,034,000  2,311,785,000 2,231,957,000 1,503,650,000                                   
          repayments on credit facility - floorplan line and other
                                  -1,938,941,000 -1,727,904,000 -1,697,455,000  -1,723,731,000 -1,759,047,000 -1,702,447,000  -1,820,108,000 -1,690,076,000 -1,598,291,000  -1,821,849,000 -1,659,814,000 -1,666,103,000  -2,012,380,000 -1,825,700,000 -1,641,072,000  -2,324,322,000 -2,250,281,000 -1,511,811,000                                   
          borrowings on credit facility - acquisition line
                                  106,341,000 16,382,000 107,777,000  31,651,000 66,945,000  20,576,000 32,509,000 15,000,000  70,000,000 110,020,000 40,000,000  238,593,000 156,117,000 189,933,000  225,000,000 70,000,000 19,963,000                                   
          repayments on credit facility - acquisition line
                                  -93,466,000 -6,468,000 -111,466,000  -6,566,000 -18,440,000 -66,444,000  -20,576,000 -15,000,000            -30,000,000                                   
          borrowings on debt related to real estate, net of debt issue costs
                                  41,616,000   1,000 7,876,000 46,835,000 36,278,000 26,130,000    11,900,000 423,000 30,331,000                                           
          employee stock purchase plan purchases, net of employee tax withholdings
                                  1,795,000 1,835,000 -830,000 1,188,000 1,518,000 1,649,000 -1,638,000 407,000 1,709,000 3,517,000 -1,030,000  1,316,000 1,379,000 -1,243,000  324,000 1,027,000 -2,140,000 -508,000 132,000                                     
          cash flows from operating activities
                                                                                           
          adjustments to reconcile net income to net cash from operating activities
                                                                                           
          cash flows from investing activities
                                                                                           
          cash flows from financing activities
                                                                                           
          cash, cash equivalents, and restricted cash, beginning of period
                                   18,720,000  29,631,000                                                   
          cash, cash equivalents, and restricted cash, end of period
                                   4,685,000 36,855,000  -9,241,000 9,073,000 34,559,000                                                   
          supplemental cash flow information:
                                                                                           
          purchases of property and equipment, including real estate, accrued in accounts payable
                                    5,094,000  -2,499,000 2,564,000 6,066,000  -741,000 3,818,000 7,287,000  -1,321,000 -1,033,000 22,274,000  -2,506,000 -4,304,000 10,035,000                                       
          tax effect from stock-based compensation
                                             -397,000 63,000 32,000 53,000 3,969,000 -388,000 -435,000 -1,004,000 2,986,000 -42,000 -370,000 -733,000  -749,000  -308,000 -216,000 -491,000  -180,000 -146,000 -325,000 -1,577,000 -120,000 989,000 116,000    384,000                 
          purchases of property and equipment, including real estate, accrued in accounts payable and accrued expenses
                                                       656,000 10,654,000 4,386,000 2,307,000 -106,000 2,997,000 847,000 7,150,000                            
          cash paid in acquisitions, net of cash received
                                      -60,477,000 -3,366,000 -71,499,000  -108,987,000 -95,000  -2,588,000 -3,629,000 -51,110,000 -81,469,000 -80,641,000 -50,142,000 -27,294,000 -179,981,000 -76,628,000 -52,648,000 -163,188,000 -58,272,000 -61,428,000 -1,570,000 -59,635,000 -55,323,000 -49,662,000 -1,000 -74,901,000 -35,033,000 -262,000 193,000 -12,881,000 -21,743,000 -12,578,000   76,000 -289,000   -170,440,000 -278,000 -3,277,000 -107,839,000 -55,202,000 -150,531,000 53,000 -40,642,000 -15,322,000 -1,467,000 -11,513,000 -7,476,000 
          deposits for real estate and dealership acquisitions
                                      1,036,000                                                     
          net increase in cash, cash equivalents, and restricted cash
                                      -9,241,000 9,073,000 4,928,000                                                   
          net borrowings on 5.25% senior unsecured notes
                                                                                           
          loss on 3.00% convertibles notes repurchase
                                                                                           
          loss on 2.25% convertible notes conversion and redemption
                                                                                          
          tax effect from excess stock-based compensation
                                                                                           
          net borrowings on 5.00% senior unsecured notes
                                                     194,850,000                                     
          repurchase of 3.00% convertible notes
                                                                                          
          proceeds from call/warrant unwind related to 3.00% convertible notes
                                                                                          
          conversion and redemption of 2.25% convertible notes
                                                                                          
          principal payments on debt related to real estate loans
                                                                                           
          issuance of common stock to benefit plans
                                                        -1,089,000  -392,000                                 
          repayment on credit facility - acquisition line
                                              -80,000,000 -100,020,000 -40,000,000  -191,722,000 -188,315,000 -135,907,000  -244,989,000                                     
          purchases of common stock accrued in accounts payable
                                                                                           
          borrowings on real estate credit facility
                                                     200,000                                   
          principal payments on real estate credit facility
                                                 -835,000 -835,000 -834,000 -836,000 -836,000 -7,478,000 -926,000 -677,000                                   
          loss on 3.00% convertible notes repurchase
                                                                                           
          loss on extinguishment of long-term debt
                                                                                           
          purchase of 3.00% convertible notes
                                                                                           
          principal payments of other debt
                                                                                           
          loss on purchase of long-term debt
                                                                                           
          borrowings of other long-term debt
                                                        19,683,000 9,461,000  239,000 36,000 106,000 123,000 -1,000 80,000 205,000 -1,000 4,737,000 173,000                     
          principal payments of other long-term debt
                                                        -24,321,000 -5,724,000 -66,415,000 -846,000 -1,123,000 -1,975,000 -840,000 -442,000 -1,199,000 -885,000 -767,000 -463,000 -281,000 -174,000 -103,000 -97,000 829,000                   
          borrowings of short-term and long-term debt related to real estate
                                                        13,855,000  6,009,000                                 
          principal payments of long-term debt related to real estate loans
                                                        -11,510,000 -4,186,000 -3,277,000 -7,900,000 -2,594,000 -2,401,000 -2,302,000 -2,091,000 -1,891,000 -1,793,000 -2,000,000 -1,121,000 -1,021,000 -983,000 -681,000 -523,000 -1,521,000                   
          borrowings on credit facility — floorplan line
                                                               1,190,146,000 1,192,522,000 1,205,578,000 1,237,710,000 1,263,641,000 1,383,016,000 1,248,631,000 1,099,692,000 2,060,436,000 729,362,000 617,465,000 455,074,000 1,044,679,000 1,197,349,000 1,285,452,000 1,591,277,000 1,484,916,000 1,237,018,000 1,541,712,000 1,336,124,000   883,110,000 887,501,000     
          repayments on credit facility — floorplan line
                                                               -1,017,844,000 -1,258,542,000 -1,283,825,000 -1,217,231,000 -1,301,539,000 -1,316,066,000 -1,190,929,000 -1,045,925,000 -1,943,548,000 -839,943,000 -682,066,000 -670,153,000 -1,048,386,000 -1,254,958,000 -1,288,695,000 -1,482,743,000 -1,412,261,000 -1,233,744,000 -1,534,408,000 -1,185,823,000   -1,109,648,000 -840,709,000     
          borrowings of long-term debt related to real estate loans
                                                                                           
          issuance of common stock to benefit plans, net of employee net share settlements
                                                                                           
          gain on real estate transactions
                                                            -543,000                               
          borrowings on mortgage facility
                                                           14,080,000 4,000,000         5,324,000 1,283,000   6,849,000 47,776,000             
          principal payments on mortgage facility
                                                          -6,563,000 -758,000 -583,000 -532,000 -533,000 -534,000 -533,000   -114,843,000 -6,091,000 -26,615,000 -2,578,000 -2,578,000 -2,214,000 -2,213,000 -12,723,000 -2,354,000 -2,354,000 -1,672,000 -1,564,000             
          borrowings on credit facility - floorplan line
                                                          1,545,263,000    1,357,442,000                             
          repayments on credit facility - floorplan line
                                                          -1,460,150,000    -1,277,202,000                             
          loss on redemption of long-term debt
                                                                   3,872,000                     
          proceeds from issuance of 3.00% convertible notes
                                                                   15,000,000 100,000,000                     
          purchase of equity calls
                                                                   -5,992,000 -39,947,000                   
          sale of equity warrants
                                                                   3,823,000 25,486,000                   
          redemption of other long-term debt
                                                                   -77,011,000 -3,380,000                   
          debt extinguishment costs
                                                                                           
          borrowings of long-term debt related to real estate
                                                            32,612,000 12,108,000 9,600,000     133,199,000                        
          proceeds from issuance of common stock to benefit plans
                                                            -298,000 1,431,000 620,000  1,195,000 1,019,000 880,000 1,807,000 829,000 901,000 832,000 972,000 1,153,000 719,000 648,000 455,000 756,000 922,000 1,068,000 888,000 1,256,000 1,345,000 1,549,000 1,779,000 2,266,000 5,241,000 14,406,000 2,697,000 4,889,000 7,266,000 4,306,000 
          repurchases of common stock, accrued in accounts payable and accrued expenses
                                                                                           
          floorplan notes payable—manufacturer affiliates
                                                                                           
          borrowings on credit facility—floorplan line
                                                                                           
          repayments on credit facility—floorplan line
                                                                                           
          (gain) loss on redemption of long-term debt
                                                                                           
          adjustments to reconcile net income to net cash from (used in) operating activities:
                                                                                           
          proceeds from disposition of franchise, property and equipment
                                                                  4,235,000                         
          net loss from discontinued operations
                                                                                         
          adjustments to reconcile net income to net cash provided by (used in) operating activities:
                                                                                           
          loss on disposition of assets and franchise
                                                                                           
          net cash from operating activities, from discontinued operations
                                                                                         
          net cash from investing activities, from discontinued operations
                                                                                         
          borrowings on other facilities for acquisitions
                                                                                         
          net cash from financing activities, from discontinued operations
                                                                                         
          loss on sale of assets
                                                                    -1,282,000                       
          proceeds from sales of franchises and related real estate
                                                                    6,014,000                       
          debt extinguishment costs related to real estate loans
                                                                                          
          proceeds from sales of property and equipment
                                                                     374,000 2,895,000    13,740,000             20,165,000 6,807,000 2,353,000 6,263,000 
          mortgage debt refinance charges
                                                                                           
          proceeds from sales of franchises
                                                                          5,545,000                 
          tax (benefit) shortfall from stock-based compensation
                                                                                           
          net cash from operating activities, from continuing operations
                                                                       -110,098,000 138,559,000 108,711,000 217,502,000 -19,295,000 121,209,000               
          proceeds from sales of franchises, property and equipment
                                                                       9,189,000 16,000    5,333,000 7,344,000 11,101,000  7,221,000 2,974,000 6,693,000  14,792,000 25,580,000 10,643,000     
          net cash from investing activities, from continuing operations
                                                                       -11,501,000 -2,116,000 -3,483,000 13,103,000 -10,584,000 -10,278,000               
          borrowings of long-term debt related to real estate purchases
                                                                           16,656,000               
          tax benefit (shortfall) from stock-based compensation
                                                                                           
          repayments on other facilities for divestitures
                                                                               -2,498,000 114,000       
          net cash from financing activities, from continuing operations
                                                                       120,515,000 -144,256,000 -105,755,000 -231,934,000 16,661,000 -108,741,000               
          gain on redemption of long-term debt
                                                                                           
          stock based compensation
                                                                          2,237,000                 
          excess tax benefits from stock-based compensation
                                                                        -175,000   823,000 98,000 148,000 30,000 -286,000 33,000 16,000 87,000 -7,155,000 98,000 772,000 2,628,000     
          cash flows from operating activites:
                                                                                           
          gain on redemption of debt
                                                                                           
          borrowings on other facilities for acquistions
                                                                                           
          net cash from financing activities, from disontinued operations
                                                                                           
          gain on repurchase of long-term debt
                                                                          -7,381,000                 
          repurchases of long-term debt
                                                                          -13,481,000                 
          principal payments of long-term debt
                                                                          -1,050,000 -1,250,000 -1,149,000 -4,653,000 -397,000 -1,783,000 -1,924,000 -309,000 -212,000 -232,000   -191,000 -389,000 -293,000 -279,000 -315,000 
          loss on repurchase of long-term debt
                                                                                           
          provision for doubtful accounts and uncollectible notes
                                                                                        2,162,000 879,000 219,000 
          tax benefit (liability) from options exercised and the vesting of restricted shares
                                                                                           
          losses on sales of assets
                                                                                        332,000 211,000 45,000 
          changes in operating assets and liabilities, net of effects of acquistions and dispositions:
                                                                                           
          repurchase of long-term debt
                                                                                           
          proceeeds from issuance of 2.25% convertible notes
                                                                                           
          repurchase of senior subordinated notes
                                                                            -8,901,000 -17,762,000           
          supplemental disclosures of cash flow information:
                                                                                           
          cash paid for:
                                                                                           
          interest
                                                                            21,003,000 21,690,000 22,965,000  29,293,000 17,939,000 22,151,000  28,158,000 13,777,000 17,748,000  16,834,000 11,232,000 16,833,000 
          income tax expenses, net of (refunds) received
                                                                            281,000 5,312,000 -102,000             
          borrowings of long-term debt
                                                                              18,600,000  39,235,000 11,400,000 63,650,000         
          cumulative effect of a change in accounting principle, net of tax
                                                                                        16,038,000 
          tax benefit from options exercised and the vesting of restricted shares
                                                                                           
          loss on repurchase of senior subordinated notes
                                                                                           
          proceeds from issuance of 2.25% convertible notes
                                                                                         
          income taxes, net of refunds received
                                                                                    9,860,000 4,434,000 8,365,000  12,173,000 3,310,000 594,000 
          collections on notes receivable
                                                                                           
          debt issue costs on issuance of 2.25% convertible notes
                                                                                    -252,000       
          increase in notes receivable
                                                                                           
          proceeds from sales of dealership franchises
                                                                                           
          purchases of restricted investments
                                                                                       -750,000 -602,000 -402,000 -412,000 
          maturities of restricted investments
                                                                                       700,000 265,000 239,000 138,000 
          escrow deposits for acquisitions of franchises
                                                                                           
          proceeds from issuance of senior subordinated notes
                                                                                           
          repurchase of common stock, amounts based on settlement date
                                                                                       -18,946,000   
          amortization of deferred compensation
                                                                                        468,000 581,000 152,000 
          tax benefit from options exercised
                                                                                        883,000 1,932,000 1,148,000 
          changes in operating assets and liabilities, net of effects of acquisitions:
                                                                                           
          floorplan notes payable
                                                                                        -180,225,000 -48,048,000 7,748,000 
          decrease in restricted cash
                                                                                        -382,000 189,000 361,000 
          escrow deposits for acquisition of franchises
                                                                                           
          net borrowings (payments) on revolving credit facility
                                                                                        -31,309,000 -15,476,000 -20,292,000 
          accounts receivable
                                                                                          -556,000 
          cash paid for
                                                                                           
          impairment of goodwill and long-lived assets
                                                                                           
          loss on redemption of senior subordinated notes
                                                                                           
          prepaid expenses and other current assets
                                                                                           
          accounts payable, accrued expenses and deferred revenues
                                                                                           
          total adjustments
                                                                                           
          proceeds from sale of franchise
                                                                                           
          net borrowings (payments) on revolving lines-of-credit
                                                                                           
          redemption of senior subordinated notes
                                                                                           
          net increase in cash
                                                                                           
          cash, beginning of period
                                                                                           
          cash, end of period
                                                                                           
          taxes, net of refunds received