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Marten Transport, Ltd
(NASDAQ:MRTN) 

MRTN stock logo

Marten Transport, Ltd. operates as a temperature-sensitive truckload carrier for shippers in the United States, Canada, and Mexico. It operates through four segments: Truckload, Dedicated, Intermodal, and Brokerage. The Truckload segment transports food and other consumer packaged goods that require...

Founded: 1946
Full Time Employees: 4,087
Sector: Industrials
Industry: Trucking

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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 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 2006-09-30 2006-06-30 2006-03-31 2005-06-30 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2002-12-31 2002-09-30 2002-06-30 2002-03-31 2001-12-31 2001-06-30 2001-03-31 2000-09-30 2000-06-30 2000-03-31 1999-09-30 
                                                               
      operating revenue
    203,526,000 210,108,000 220,470,000 229,922,000 223,152,000 230,432,000 237,366,000 246,238,000 249,672,000 268,222,000 279,538,000 285,672,000 298,023,000 322,584,000 324,448,000 329,565,000 287,281,000 266,876,000 251,280,000 232,442,000 223,046,000 227,333,000 216,011,000 212,384,000 218,646,000 217,185,000 214,973,000 212,090,000 128,720,000 129,395,000 125,804,000 121,955,000 140,354,000 163,377,000 143,374,000 144,969,000 138,821,000 131,416,000 135,812,000 131,862,000 119,555,000 112,800,000 11,989,000 7,701,000 5,209,000 85,237,000 85,903,000 84,206,000 76,331,000 74,736,000 74,031,000 67,998,000  71,653,000 69,967,000     
      operating expenses
                                                               
      salaries, wages and benefits
    72,119,000 75,728,000 78,972,000 78,570,000 78,800,000 83,009,000 83,442,000 86,519,000 88,762,000 91,350,000 92,620,000 96,332,000 98,516,000 104,722,000 99,773,000 96,460,000 89,349,000 88,577,000 81,091,000 75,296,000 72,998,000 79,121,000 74,797,000 73,476,000 72,761,000 72,707,000 69,312,000 68,613,000 32,634,000 34,257,000 35,759,000 36,102,000 38,294,000 39,885,000 36,682,000 38,808,000 38,565,000 38,413,000 36,216,000 35,820,000 34,419,000 6,092,000 1,302,000 92,000 1,647,000 25,840,000 26,225,000 25,278,000 23,079,000 22,192,000 22,228,000 22,442,000  21,303,000 21,227,000     
      purchased transportation
    33,468,000 36,050,000 42,284,000 43,123,000 37,656,000 39,231,000 44,862,000 43,235,000 41,814,000 47,259,000 49,673,000 48,299,000 54,103,000 60,599,000 64,403,000 67,480,000 57,310,000 54,592,000 52,861,000 45,003,000 40,765,000 40,937,000 37,066,000 36,165,000 40,445,000 41,596,000 40,435,000 38,668,000 28,700,000 29,192,000 25,933,000 22,752,000 24,761,000 29,125,000 28,004,000 27,891,000 24,679,000 21,820,000 22,051,000 21,712,000 19,168,000 772,000 2,208,000 1,913,000  17,210,000 18,106,000 18,053,000 17,296,000 17,815,000 17,169,000 15,079,000  15,756,000 15,497,000     
      fuel and fuel taxes
    33,907,000 30,765,000 33,526,000 32,591,000 33,117,000 32,992,000 35,781,000 38,809,000 39,561,000 42,731,000 48,695,000 42,215,000 46,796,000 55,567,000 57,299,000 61,337,000 44,368,000 36,435,000 33,909,000 32,007,000 28,937,000 24,700,000 24,268,000 20,868,000 28,297,000 31,437,000 31,275,000 30,952,000 27,180,000 26,580,000 24,272,000 21,866,000 30,963,000 51,215,000 41,929,000 39,586,000 37,126,000 32,812,000 37,744,000 35,350,000 29,584,000 8,335,000 4,536,000 3,224,000 529,000 14,399,000 14,253,000 13,379,000 12,300,000 11,202,000 10,054,000 9,783,000  11,945,000 11,505,000     
      supplies and maintenance
    15,128,000 14,504,000 15,585,000 15,606,000 15,513,000 14,331,000 16,464,000 16,472,000 16,070,000 16,120,000 17,896,000 17,408,000 15,987,000 15,180,000 14,855,000 13,352,000 12,313,000 11,592,000 11,685,000 11,167,000 11,015,000 11,314,000 12,440,000 11,833,000 12,228,000 11,998,000 12,116,000 11,502,000 9,217,000 9,630,000 9,558,000 9,818,000 10,080,000 9,588,000 9,332,000 10,448,000 8,966,000 8,950,000 8,386,000 8,131,000 7,875,000 877,000 76,000  136,000 6,246,000 6,503,000 6,147,000 5,746,000 5,538,000 5,571,000 4,937,000  5,546,000 5,524,000     
      depreciation
    25,006,000 25,168,000 25,447,000 27,307,000 27,470,000 27,528,000 27,392,000 28,206,000 28,527,000 28,748,000 29,017,000 29,427,000 29,530,000 29,625,000 28,381,000 26,865,000 26,143,000 25,964,000 25,371,000 25,540,000 25,687,000 25,914,000 25,580,000 25,972,000 25,427,000 24,842,000 24,290,000 23,462,000 12,978,000 13,272,000 13,386,000 13,433,000 13,001,000 12,396,000 11,962,000 11,867,000 11,727,000 11,723,000 11,257,000 10,892,000 10,674,000 1,206,000 640,000 626,000 574,000 7,706,000 7,616,000 7,435,000 7,060,000 6,988,000 6,796,000 6,862,000  6,693,000 6,595,000     
      operating taxes and licenses
    2,245,000 2,446,000 2,423,000 2,451,000 2,417,000 2,683,000 2,505,000 2,539,000 2,575,000 2,708,000 2,821,000 2,756,000 2,768,000 2,712,000 2,748,000 2,663,000 2,640,000 2,498,000 2,606,000 2,718,000 2,712,000 2,837,000 2,749,000 2,615,000 2,639,000 2,678,000 2,651,000 2,438,000 1,703,000 1,591,000 1,702,000 1,676,000 1,667,000 1,588,000 1,712,000 1,736,000 1,726,000 1,699,000 1,884,000 1,832,000 1,819,000 58,000 245,000 241,000 172,000 1,520,000 1,406,000 1,372,000 1,456,000 1,264,000 1,212,000 1,204,000  1,247,000 1,183,000     
      insurance and claims
    13,245,000 15,034,000 11,382,000 15,852,000 13,377,000 15,134,000 13,759,000 12,559,000 11,657,000 15,209,000 13,254,000 12,481,000 15,070,000 12,417,000 11,949,000 13,443,000 12,704,000 10,649,000 10,501,000 9,391,000 11,446,000 12,294,000 11,243,000 11,633,000 12,284,000 8,846,000 9,618,000 9,862,000 4,341,000 5,356,000 4,678,000 5,521,000 7,421,000 5,770,000 5,565,000 5,946,000 5,376,000 5,470,000 4,630,000 4,665,000 5,307,000 410,000 776,000 333,000 710,000 4,006,000 3,782,000 3,723,000 4,287,000 3,796,000 3,337,000 3,450,000  2,472,000 1,844,000     
      communications and utilities
    2,105,000 2,217,000 2,093,000 2,164,000 2,279,000 2,195,000 2,166,000 2,297,000 2,371,000 2,524,000 2,584,000 2,510,000 2,531,000 2,538,000 2,135,000 2,239,000 2,265,000 2,030,000 2,181,000 2,056,000 2,083,000 2,050,000 1,999,000 1,977,000 1,985,000 1,908,000 1,901,000 1,950,000 1,092,000 1,011,000 1,002,000 1,065,000 1,033,000 837,000 961,000 938,000 970,000 940,000 962,000 857,000 881,000 80,000    907,000 825,000 793,000 782,000 758,000 751,000 711,000  753,000 800,000     
      gain on disposition of revenue equipment
    -1,420,000 -3,317,000 -1,903,000 -5,182,000 -1,665,000 -387,000 -881,000 -2,532,000 -1,171,000 -1,802,000 -3,014,000 -3,550,000 -5,246,000 -2,957,000 -1,070,000 -4,812,000 -4,540,000 -4,436,000 -4,536,000 -5,339,000 -1,984,000 -2,834,000 -2,128,000 -2,216,000 -1,555,000 -3,343,000 -2,559,000 -1,230,000                    -69,000            
      other
    6,131,000 6,931,000 7,923,000 7,706,000 8,329,000 6,989,000 7,607,000 8,160,000 7,256,000 7,718,000 8,762,000 9,581,000 8,958,000 9,398,000 10,209,000 9,601,000 8,871,000 8,298,000 7,115,000 6,085,000 5,389,000 5,442,000 5,315,000 4,805,000 6,103,000 5,729,000 5,900,000 5,929,000 2,841,000 2,566,000 2,539,000 2,942,000 3,092,000 2,898,000 2,804,000 2,488,000 2,913,000 2,379,000 2,952,000 2,490,000 2,880,000 279,000 724,000 184,000 30,000 1,987,000 1,450,000 2,052,000 2,810,000 1,743,000 1,759,000 1,752,000  1,824,000 1,814,000     
      total operating expenses
    201,934,000 205,526,000 217,732,000 220,188,000 217,293,000 223,705,000 233,097,000 236,264,000 237,422,000 252,565,000 262,308,000 257,459,000 269,013,000 289,801,000 290,682,000 288,628,000 251,423,000 236,199,000 222,784,000 203,924,000 199,048,000 201,775,000 191,611,000 187,128,000 200,614,000 198,398,000 194,939,000 192,146,000 88,966,000 122,859,000 118,301,000 114,704,000 111,076,750 152,849,000 137,892,000 139,273,000 130,780,000 123,026,000 124,099,000 120,050,000 110,566,000 17,528,000 10,030,000 5,862,000 3,276,000 58,710,000 80,012,000  51,570,000 71,256,000 68,862,000 66,162,000  67,336,000 65,850,000     
      operating income
    1,592,000 4,582,000 2,738,000 9,734,000 5,859,000 6,727,000 4,269,000 9,974,000 12,250,000 15,657,000 17,230,000 28,213,000 29,010,000 32,783,000 33,766,000 40,937,000 35,858,000 30,677,000 28,496,000 28,518,000 23,998,000 25,558,000 24,400,000 25,256,000 18,032,000 18,787,000 20,034,000 19,944,000 8,069,000 6,536,000 7,503,000 7,251,000 10,267,000 10,528,000 5,482,000 5,696,000 8,041,000 8,390,000 11,713,000 11,812,000 8,989,000 3,365,000 1,959,000 1,839,000 1,933,000 5,746,000 5,891,000 6,043,000 1,376,000 3,480,000 5,169,000 1,836,000  4,317,000 4,117,000     
      yoy
    -72.83% -31.89% -35.86% -2.41% -52.17% -57.04% -75.22% -64.65% -57.77% -52.24% -48.97% -31.08% -19.10% 6.87% 18.49% 43.55% 49.42% 20.03% 16.79% 12.92% 33.09% 36.04% 21.79% 26.63% 123.47% 187.44% 167.01% 175.05% -21.41% -37.92% 36.87% 27.30% 27.68% 25.48% -53.20% -51.78% -10.55% 149.33% 497.91% 542.31% 365.03% -41.44% -66.75% -69.57% 40.48% 65.11% 13.97% 229.14%  -19.39% 25.55%         
      qoq
    -65.26% 67.35% -71.87% 66.14% -12.90% 57.58% -57.20% -18.58% -21.76% -9.13% -38.93% -2.75% -11.51% -2.91% -17.52% 14.16% 16.89% 7.65% -0.08% 18.83% -6.10% 4.75% -3.39% 40.06% -4.02% -6.22% 0.45% 147.17% 23.45% -12.89% 3.48% -29.38% -2.48% 92.05% -3.76% -29.16% -4.16% -28.37% -0.84% 31.41% 167.13% 71.77% 6.53% -4.86% -66.36% -2.46% -2.52% 339.17% -60.46% -32.68% 181.54%   4.86%      
      income before income taxes
    2,049,000 5,048,000 2,951,000 10,170,000 6,208,000 7,121,000 5,191,000 10,988,000 13,046,000 16,525,000 18,247,000 29,290,000 29,854,000 33,303,000 34,030,000 40,973,000 35,865,000 30,693,000 28,504,000 28,527,000 24,008,000 25,571,000 24,417,000 25,269,000 18,129,000 19,049,000 20,289,000 20,339,000 8,056,000 6,552,000 7,499,000 7,220,000 9,991,000 10,053,000 4,645,000 4,638,000 7,046,000 7,380,000 10,784,000 10,960,000 8,337,000 3,359,000 2,175,000 2,059,000 2,154,000 5,600,000 5,542,000 5,705,000 934,000 3,007,000 4,582,000 1,111,000  3,099,000 2,658,000     
      income taxes expense
    667,000 1,351,000 725,000 2,984,000 1,873,000 1,488,000 1,437,000 3,099,000 3,400,000 4,126,000 4,649,000 7,416,000 7,352,000 7,789,000 8,384,000 9,312,000 8,332,000 5,963,000 7,230,000 7,109,000 6,002,000 5,967,000 6,373,000 7,135,000 4,411,000 3,301,000 3,702,000 5,149,000                                
      net income
    1,382,000 3,697,000 2,226,000 7,186,000 4,335,000 5,633,000 3,754,000 7,889,000 9,646,000 12,399,000 13,598,000 21,874,000 22,502,000 25,514,000 25,646,000 31,661,000 27,533,000 24,730,000 21,274,000 21,418,000 18,006,000 19,604,000 18,044,000 18,134,000 13,718,000 15,748,000 16,587,000 15,190,000 4,265,000 3,472,000 4,477,000 4,053,000 5,822,000 6,127,000 2,653,000 3,065,000 4,344,000 4,594,000 6,736,000 7,540,000 5,053,000 6,763,000 4,784,000 4,814,000 2,732,000 3,472,000 3,436,000 3,537,000 579,000 1,864,000 2,841,000 689,000  1,922,000 1,648,000     
      yoy
    -68.12% -34.37% -40.70% -8.91% -55.06% -54.57% -72.39% -63.93% -57.13% -51.40% -46.98% -30.91% -18.27% 3.17% 20.55% 47.82% 52.91% 26.15% 17.90% 18.11% 31.26% 24.49% 8.78% 19.38% 221.64% 353.57% 270.49% 274.78% -26.74% -43.33% 68.75% 32.23% 34.02% 33.37% -60.61% -59.35% -14.03% -32.07% 40.80% 56.63% 84.96% 94.79% 39.23% 36.10% 371.85% 86.27% 20.94% 413.35%  -3.02% 72.39%         
      qoq
    -62.62% 66.08% -69.02% 65.77% -23.04% 50.05% -52.41% -18.21% -22.20% -8.82% -37.83% -2.79% -11.81% -0.51% -19.00% 14.99% 11.33% 16.25% -0.67% 18.95% -8.15% 8.65% -0.50% 32.19% -12.89% -5.06% 9.20% 256.15% 22.84% -22.45% 10.46% -30.38% -4.98% 130.95% -13.44% -29.44% -5.44% -31.80% -10.66% 49.22% -25.28% 41.37% -0.62% 76.21% -21.31% 1.05% -2.86% 510.88% -68.94% -34.39% 312.34%   16.63%      
      basic earnings per common share
    20 40 30 90 50 70 50 100 120 160 170 270 280 310 320 390 330 300 260 260 220 230 220 330 250 290 300 280 190 160 200 190 270 280 120 140 200 210 310 350 230 470 340 340 200 -160 450 550 140 440 670         
      diluted earnings per common share
    20 40 30 90 50 70 50 100 120 150 170 270 280 320 320 390 330 290 260 260 220 240 220 330 250 290 300 280 190 160 200 180 260 280 120 140 200 210 310 340 230 460 330 330 190 -160 430 530 130 430 650         
      dividends declared per common share
    60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 60 40 540 40 40 540 40 40 40 30 680 30                                
      balance at december 31, 2024
    81,464,000 -52,859,536 81,464,000 81,464,000 81,464                                                       
      issuance of common stock from share-based payment arrangement exercises and vesting of performance unit awards
    29,000 2,250 29,000 29,000 51,000 -109,000 51,000 51,000 119,000 -338,000 119,000 119,000 119,000    70,000 195,000 70,000 70,000 259,000 -852,000 259,000 173,000 105,000 -150,000 105,000 105,000                                
      employee taxes paid in exchange for shares withheld
     -71,000    -95,500    -231,500    -402,500    -136,750    -109,250    -196,000                                  
      share-based payment arrangement compensation expense
     101,750    88,250    88,500    92,250    84,000    61,500    91,500                                  
      dividends on common stock, 0.06 per share
                                                               
      balance at march 31, 2025
    81,493 13,268.25 81,493 81,493 81,493                                                       
      issuance of common stock from share-based payment arrangement exercises
    49  27 27 101 77,000 52,000 52,000 78,000 126,750 67,000 67,000 131,000 37,500 31,000 31,000                                            
      dividends on common stock, 0.18 per share
                                                               
      balance at december 31, 2025
    81,542                                                           
      balance at march 31, 2026
    81,589                                                           
      balance at june 30, 2025
     13,498.5 81,520 81,520                                                        
      balance at september 30, 2025
     13,535.75 81,520                                                         
      balance at december 31, 2023
        81,312,000 31,523,000 81,312,000 81,312,000 81,312,000                                                   
      balance at march 31, 2024
        81,363 12,516,500 81,363,000 81,363,000 81,363,000                                                   
      dividends on common stock
                                                               
      balance at june 30, 2024
         12,846,250 81,415,000 81,415,000                                                    
      balance at september 30, 2024
         13,056,250 81,448,000                                                     
      balance at december 31, 2022
            81,115,000 33,927,000 81,115,000 81,115,000 81,115,000                                               
      balance at march 31, 2023
            81,234,000 11,787,750 81,234,000 81,234,000 81,234,000                                               
      balance at june 30, 2023
             12,165,750 81,301,000 81,301,000                                                
      balance at september 30, 2023
             12,320,000 81,309,000                                                 
      balance at december 31, 2021
                83,034,000 -2,684,000 83,034,000 83,034,000 83,034,000                                           
      repurchase and retirement of common stock
                -1,307,000 24,934,000 -1,307,000 -1,307,000 -1,307,000    -53,000 296,000 -53,000 -35,000 -35,000                                   
      issuance of common stock from share-based payment arrangement exercises, deferred compensation plan distributions and vesting of performance unit awards
                220,000 -437,000 220,000 220,000 259,000 -6,000 106,000                                         
      balance at march 31, 2022
                81,947,000 15,064,000 81,947,000 81,947,000 81,947,000                                           
      dividends paid per common share
                 45 60   20                                          
      dividends paid on common stock
                                                               
      balance at june 30, 2022
                 11,216,750 81,015,000 81,015,000                                            
      balance at september 30, 2022
                 11,591,500 81,097,000                                             
      balance at december 31, 2020
                    82,705,000 -2,365,000 82,705,000 82,705,000 82,705,000                                       
      balance at march 31, 2021
                    82,775,000 21,254,750 82,775,000 82,775,000 82,775,000                                       
      gain on disposition of facility
                          -1,718,000                                     
      balance at june 30, 2021
                     21,394,500 82,881,000 82,881,000                                        
      accrued dividends on common stock
                                                               
      balance at september 30, 2021
                     21,384,750 82,943,000                                         
      balance at december 31, 2019
                        82,055,000 2,590,000 82,055,000 54,703,000 54,703,000                                   
      balance at march 31, 2020
                        82,261,000 19,932,500 82,261,000 54,841,000 54,841,000                                   
      balance at june 30, 2020
                         20,954,000 82,662,000 55,108,000                                    
      balance at september 30, 2020
                         21,097,250 82,681,000                                     
      pro forma post-stock split basis
                                                               
      balance at december 31, 2018
                            54,467,000 -22,347,000 54,467,000 54,467,000                                
      balance at march 31, 2019
                            54,572,000 19,171,750 54,572,000 54,572,000                                
      balance at june 30, 2019
                             19,447,250 54,633,000 54,633,000                                
      balance at september 30, 2019
                             19,710,000 54,687,000                                 
      other incomes
                                                               
      interest expense
                                36,000 35,000 34,000 64,000 110,000 196,000 534,000 943,000 1,042,000 1,079,000 928,000 913,000 842,000 39,000    542,000 679,000 752,000 820,000 819,000 888,000 952,000  1,322,000 1,552,000     
      interest income
                                               28,000 36,000   -414,000            
      less: income before income taxes attributable to noncontrolling interest
                                230,000 93,000 145,000 116,000                            
      income before income taxes attributable to marten transport, ltd.
                                7,826,000 6,459,000 7,354,000 7,104,000                            
      benefit from income taxes
                                3,561,000 2,987,000 2,877,000 3,051,000 4,169,000 3,926,000 1,992,000 1,573,000 2,702,000 2,786,000 4,048,000 3,420,000 3,284,000     2,128,000 2,106,000 2,168,000 355,000 1,143,000 1,741,000         
      interest income and other
                                                          -93,000     
      minority interest
                                    198,000 317,000 380,000 301,000 79,000 150,000 261,000 242,000 108,000                   
      numerator:
                                                               
      denominator:
                                                               
      basic earnings per common share - weighted-average shares
                                             14,332,000 14,119,000 14,016,000 13,840,000               
      effect of dilutive stock options
                                             283,000 410,000 474,000 581,000               
      diluted earnings per common share - weighted-average shares and assumed conversions
                                             14,615,000 14,529,000 14,490,000 14,421,000               
      freight revenue
                                             95,986,000                  
      fuel surcharge revenue
                                             12,710,000                  
      non-freight revenue
                                             4,104,000                  
      other expenses
                                                               
      provision for income taxes
                                             1,410,000 827,000 782,000 819,000       422,000  1,177,000 1,010,000     
      number of option shares
                                                               
      weighted-average exercise price
                                                               
      basic and diluted earnings per common share
                                                       160  460 390     
      operating expenses:
                                                               
      gain on disposition of revenue
                                                               
      equipment
                                                          -139,000     
    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 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 
                                                                                                  
        assets
                                                                                                  
        current assets:
                                                                                                  
        cash and cash equivalents
      69,786,000 43,278,000 49,485,000 35,052,000 39,905,000 17,267,000 42,990,000 77,199,000 73,730,000 53,213,000 68,067,000 80,528,000 96,288,000 80,600,000 71,492,000 68,374,000 66,527,000 56,995,000 83,900,000 80,672,000 88,583,000 66,127,000 88,279,000 75,323,000 36,136,000 31,461,000 40,480,000 82,792,000 85,526,000 56,763,000 35,739,000 22,003,000 10,398,000 15,791,000 1,159,000 10,058,000 9,065,000 488,000 175,000 208,000 1,156,000 434,000 145,000 4,499,000 21,700,000 123,000 187,000 956,000 19,315,000 13,650,000 9,041,000 3,473,000 5,127,000 5,249,000 25,638,000 20,821,000 20,514,000 15,003,000 8,041,000 5,306,000 4,370,000 3,563,000 4,347,000 5,410,000 7,891,000 7,984,000                           
        escrow deposit
      5,000,000 5,000,000 5,000,000                                                                                          
        receivables:
                                                                                                  
        trade
      91,911,000  92,011,000 91,432,000 95,250,000  93,539,000 99,926,000 105,247,000  117,820,000 111,577,000 115,430,000  124,587,000 138,391,000 126,815,000  99,686,000 92,920,000 89,552,000  80,719,000 83,854,000 94,276,000  85,149,000 87,044,000 84,443,000  84,055,000 85,549,000 82,090,000  72,919,000 67,174,000 69,808,000  69,874,000 66,076,000 65,285,000  70,829,000 68,898,000 68,686,000  73,202,000 75,176,000 70,306,000  65,990,000  68,841,000 64,114,000 58,632,000  62,663,000 64,548,000 55,971,000  52,268,000 49,644,000 48,756,000  49,879,000 48,760,000 46,433,000  63,193,000 63,477,000 54,642,000  59,967,000 54,779,000 51,371,000  55,418,000 52,590,000 47,139,000  48,804,000 44,785,000 43,741,000  41,707,000 37,201,000 36,144,000  33,960,000  31,616,000  
        other
      8,114,000 13,084,000 9,201,000 7,387,000 4,724,000 5,364,000 6,893,000 11,450,000 10,380,000 10,356,000 11,695,000 10,646,000 7,988,000 7,218,000 4,443,000 3,681,000 4,317,000 6,971,000 6,208,000 4,904,000 3,489,000 4,202,000 2,908,000 12,639,000 10,077,000 11,055,000 3,694,000 3,354,000 5,273,000 3,808,000 6,993,000 7,190,000 7,037,000 6,131,000 4,541,000 5,657,000 3,714,000 4,436,000 3,939,000 3,065,000 4,719,000 10,885,000 4,045,000 8,814,000 3,475,000 17,740,000 4,905,000 6,459,000 2,212,000 4,142,000 5,388,000 7,177,000 4,738,000 5,399,000 4,876,000 3,430,000 4,872,000 4,842,000 4,299,000 12,968,000 9,472,000 9,701,000 3,083,000 4,382,000 6,612,000 7,913,000 5,483,000 7,385,000 6,983,000 11,366,000 6,637,000 6,175,000 5,663,000 6,442,000 5,638,000 6,458,000 9,554,000 6,736,000 13,954,000 6,975,000 10,753,000 11,094,000 9,249,000 8,372,000 9,617,000 8,929,000 7,963,000 7,337,000 5,303,000  5,245,000 6,561,000 
        prepaid expenses and other
      20,792,000 24,532,000 25,296,000 21,942,000 22,621,000 25,888,000 26,853,000 30,995,000 24,665,000 27,512,000 27,004,000 29,208,000 24,206,000 27,320,000 24,787,000 27,437,000 22,375,000 23,980,000 22,150,000 23,444,000 19,434,000 21,903,000 20,640,000 22,906,000 19,058,000 20,938,000 18,576,000 19,724,000 18,025,000 19,924,000 18,816,000 19,876,000 19,186,000 19,810,000 16,263,000 17,635,000 17,102,000 19,307,000 16,715,000 17,122,000 16,829,000 18,134,000 15,803,000 15,912,000 15,168,000 16,860,000 13,481,000 13,949,000 13,366,000 15,274,000 13,466,000 15,490,000 13,186,000 14,033,000 14,276,000 15,426,000 12,694,000 12,743,000 11,946,000 13,406,000 10,861,000 10,878,000 10,796,000 12,328,000 10,534,000 11,248,000 11,583,000 13,705,000 11,719,000 12,646,000 11,870,000 13,823,000 11,468,000 12,270,000 12,531,000 14,227,000 11,501,000 12,080,000 12,332,000 13,264,000 10,158,000 10,837,000 10,505,000 11,869,000 8,892,000 9,946,000 10,978,000 10,034,000 7,306,000  8,553,000 7,832,000 
        total current assets
      195,603,000 171,701,000 175,993,000 155,813,000 162,500,000 138,511,000 170,275,000 219,570,000 214,022,000 196,582,000 224,586,000 231,959,000 243,912,000 235,840,000 225,309,000 237,883,000 220,034,000 186,949,000 211,944,000 201,940,000 201,058,000 175,658,000 192,546,000 194,722,000 159,547,000 154,166,000 147,899,000 192,914,000 193,267,000 163,528,000 145,603,000 134,618,000 118,711,000 116,618,000 94,882,000 100,524,000 99,689,000 93,430,000 90,703,000 86,471,000 87,989,000 100,050,000 93,859,000 101,214,000 112,174,000 110,185,000 95,363,000 100,085,000 108,678,000 107,350,000 97,145,000 95,534,000 94,323,000 91,303,000 106,022,000 101,800,000 105,216,000 101,488,000 85,589,000 87,706,000 82,836,000 79,285,000 72,793,000 72,844,000 86,259,000 91,915,000 87,608,000 82,372,000 91,034,000 94,512,000 81,430,000 80,158,000 86,580,000 82,975,000 77,749,000 76,510,000 84,831,000 79,453,000 80,143,000 73,069,000 75,643,000 73,150,000 67,558,000 65,249,000 64,777,000 67,648,000 70,995,000 74,220,000 81,312,000  51,029,000 49,331,000 
        property and equipment:
                                                                                                  
        revenue equipment, buildings and land, office equipment and other
      1,112,817,000  1,148,269,000 1,207,399,000 1,199,378,000  1,192,736,000 1,149,771,000 1,155,649,000  1,129,415,000 1,122,659,000 1,082,361,000  1,046,476,000 992,400,000 955,760,000  957,708,000 947,071,000 934,405,000  943,058,000 920,608,000 937,389,000  891,326,000 857,410,000 819,809,000  820,523,000 805,723,000 808,750,000  781,451,000 775,149,000 768,856,000  754,448,000 744,234,000 723,457,000  724,712,000 700,123,000 651,229,000  642,271,000 632,693,000 596,031,000  560,017,000  556,323,000 547,812,000 531,594,000  513,951,000 509,867,000 511,812,000   494,412,000 504,554,000  482,581,000 465,596,000 459,589,000  441,375,000 429,350,000 440,750,000  452,106,000 438,996,000 440,069,000  394,148,000 382,835,000 377,370,000  330,453,000 317,881,000 312,830,000          
        accumulated depreciation
      -362,739,000  -355,266,000 -373,131,000 -380,321,000  -364,712,000 -360,974,000 -378,151,000  -358,414,000 -352,139,000 -348,641,000  -334,504,000 -310,645,000 -291,941,000  -267,808,000 -266,342,000 -281,812,000  -278,488,000 -276,412,000 -274,047,000  -261,474,000 -256,836,000 -241,658,000  -223,087,000 -218,071,000 -217,558,000  -201,882,000 -206,943,000 -209,226,000  -202,092,000 -206,317,000 -204,410,000  -192,144,000 -190,330,000 -186,371,000  -174,951,000 -174,627,000 -171,886,000  -152,071,000  -149,280,000 -145,245,000 -147,309,000  -151,925,000 -150,664,000 -147,965,000  -141,444,000                                
        net property and equipment
      750,078,000 776,506,000 793,003,000 834,268,000 819,057,000 828,613,000 828,024,000 788,797,000 777,498,000 792,233,000 771,001,000 770,520,000 733,720,000 728,167,000 711,972,000 681,755,000 663,819,000 682,277,000 689,900,000 680,729,000 652,593,000 654,173,000 664,570,000 644,196,000 663,342,000 640,394,000 629,852,000 600,574,000 578,151,000 588,230,000 597,436,000 587,652,000 591,192,000 571,920,000 579,569,000 568,206,000 559,630,000 557,825,000 552,356,000 537,917,000 519,047,000 528,009,000 532,568,000 509,793,000 464,858,000 465,749,000 467,320,000 458,066,000 424,145,000 415,009,000 407,946,000 394,476,000 407,043,000 402,567,000 384,285,000 368,200,000 362,026,000 359,203,000 363,847,000 372,059,000 376,628,000 357,969,000 360,089,000 341,457,000 332,497,000 317,671,000 315,925,000 314,301,000 308,169,000 299,412,000 313,270,000 325,184,000 333,220,000 329,101,000 336,134,000 329,888,000 299,898,000 290,802,000 286,837,000 269,938,000 238,688,000 226,691,000 223,129,000 215,698,000 205,738,000 195,781,000 182,316,000 169,818,000 163,111,000  160,869,000 159,828,000 
        other noncurrent assets
      1,546,000 1,560,000 1,655,000 1,735,000 1,775,000 1,633,000 1,705,000 1,520,000 1,499,000 1,524,000 1,617,000 1,605,000 1,641,000 1,672,000 1,421,000 1,483,000 1,545,000 1,464,000 1,539,000 1,694,000 1,698,000 1,805,000 1,950,000 1,916,000 2,029,000 2,026,000 3,204,000 3,107,000 3,109,000                                                                
        total assets
      947,227,000 949,767,000 975,651,000 991,816,000 983,332,000 968,757,000 1,000,004,000 1,009,887,000 993,019,000 990,339,000 997,204,000 1,004,084,000 979,273,000 965,679,000 938,702,000 921,121,000 885,398,000 870,690,000 903,383,000 884,363,000 855,349,000 831,636,000 859,066,000 840,834,000 824,918,000 796,586,000 780,955,000 796,595,000 774,527,000  745,320,000 724,439,000 711,965,000  676,307,000 670,584,000 661,285,000  645,940,000 627,556,000 610,392,000  629,999,000 614,613,000 580,613,000  566,606,000 562,142,000 536,312,000  508,297,000  501,972,000 494,467,000 490,895,000  467,812,000 461,252,000 449,988,000  459,999,000 437,780,000 433,408,000  419,315,000 410,181,000 404,197,000  400,036,000 395,055,000 396,244,000  422,472,000 415,261,000 417,800,000  389,762,000 376,039,000 373,598,000  321,840,000 307,422,000 298,233,000  277,176,000 269,513,000 259,229,000  250,268,000  218,135,000  
        liabilities and stockholders’ equity
                                                                                                  
        current liabilities:
                                                                                                  
        accounts payable
      27,756,000 28,769,000 39,744,000 44,894,000 37,783,000 25,781,000 47,282,000 47,214,000 37,728,000 36,516,000 42,042,000 36,107,000 41,558,000 37,299,000 43,188,000 48,463,000 29,158,000 20,150,000 33,687,000 39,279,000 32,060,000 25,702,000 24,563,000 26,176,000 34,821,000 22,917,000 27,777,000 24,293,000 18,512,000 15,704,000    16,478,000    14,391,000    12,007,000    17,065,000    19,373,000  16,081,000    17,912,000    17,800,000    16,308,000    15,785,000    14,653,000    12,690,000    7,646,000    4,579,000    3,683,000    4,919,000 
        insurance and claims accruals
      44,853,000 43,700,000 41,313,000 43,817,000 43,486,000 44,246,000 42,946,000 44,296,000 44,297,000 47,017,000 46,282,000 47,665,000 48,967,000 45,747,000 45,664,000 45,689,000 42,592,000 42,014,000 41,128,000 41,438,000 41,712,000 39,595,000 36,629,000 35,834,000 34,424,000 31,729,000 30,647,000 30,907,000 29,381,000 28,103,000 25,295,000 25,574,000 25,414,000 26,177,000 25,197,000 21,811,000 20,582,000 19,440,000 17,761,000 17,400,000 17,105,000 16,235,000 14,832,000 13,645,000 14,832,000 13,998,000 13,759,000 15,012,000 14,847,000 14,404,000 13,588,000 13,838,000 13,327,000 12,414,000 14,006,000 13,042,000 14,929,000 15,136,000 17,157,000 17,653,000 17,955,000 18,219,000 18,908,000 19,222,000 20,679,000 22,041,000 21,720,000 21,386,000 20,938,000 19,183,000 17,597,000 17,431,000 17,061,000 16,281,000 16,172,000 16,073,000 13,897,000 13,842,000 13,473,000 13,126,000 12,424,000 11,798,000 11,511,000 13,654,000 11,946,000 11,910,000 12,517,000 12,052,000 12,195,000  13,337,000 12,915,000 
        accrued and other current liabilities
      21,641,000 19,763,000 34,527,000 27,974,000 28,354,000 23,492,000 26,521,000 27,466,000 29,417,000 26,709,000 33,320,000 47,248,000 29,077,000 41,264,000 36,605,000 36,565,000 37,632,000 31,395,000 32,667,000 26,272,000 24,079,000 24,497,000 26,755,000 25,569,000 21,881,000 21,680,000 26,506,000 29,976,000 31,649,000                                                                
        total current liabilities
      94,250,000 92,232,000 115,584,000 116,685,000 109,623,000 93,519,000 116,749,000 118,976,000 111,442,000 110,242,000 121,644,000 131,020,000 119,602,000 124,310,000 125,457,000 130,717,000 109,382,000 93,559,000 152,271,000 106,989,000 97,851,000 89,794,000 87,947,000 87,579,000 91,126,000 76,326,000 84,930,000 85,176,000 79,542,000 71,973,000 73,554,000 71,356,000 74,835,000 64,277,000 65,135,000 67,914,000 64,563,000 60,670,000 64,081,000 62,529,000 61,536,000 49,876,000 65,055,000 78,866,000 56,817,000 44,518,000 52,496,000 57,075,000 57,314,000 53,028,000 61,306,000 46,900,000 54,109,000 53,877,000 58,816,000 46,385,000 51,141,000 51,873,000 50,363,000 68,589,000 79,356,000 54,978,000 61,361,000 54,217,000 61,583,000 57,104,000 57,069,000 57,515,000 68,060,000 59,547,000 55,170,000 54,815,000 59,357,000 48,242,000 48,512,000 59,422,000 43,575,000 44,434,000 47,103,000 45,775,000 40,386,000 37,181,000 36,696,000 38,374,000 39,733,000 42,960,000 37,917,000 34,663,000 35,491,000  33,614,000 32,160,000 
        deferred income taxes
      88,612,000 89,716,000 91,617,000 104,098,000 105,824,000 107,034,000 116,443,000 123,938,000 118,946,000 122,462,000 125,887,000 132,737,000 137,825,000 137,041,000 130,594,000 129,972,000 126,918,000 125,163,000 120,689,000 123,312,000 122,183,000 121,098,000 125,890,000 123,285,000 123,790,000 122,022,000 112,454,000 108,578,000 106,796,000 105,977,000 107,696,000 103,841,000 101,676,000 100,626,000 149,846,000 148,046,000 151,270,000 147,854,000 144,610,000 141,194,000 138,044,000 134,364,000 3,037,000 3,091,000 3,145,000 3,199,000 3,588,000 3,545,000 3,479,000 3,415,000 3,260,000 3,155,000 2,431,000 2,508,000 2,600,000 2,738,000 4,473,000 4,352,000 5,332,000 4,794,000 5,727,000 5,361,000 5,693,000 5,172,000 6,593,000 7,300,000 7,084,000 6,140,000 6,663,000 5,629,000 5,395,000 4,653,000 5,492,000 5,126,000 4,981,000 4,532,000 5,140,000 5,060,000 4,357,000 3,873,000 4,549,000 4,181,000 3,737,000 5,856,000 4,453,000 5,798,000 4,046,000 3,048,000 4,048,000 47,783,000 4,896,000 4,311,000 
        noncurrent operating lease liabilities
      157,000 194,000 250,000 317,000 385,000 282,000 351,000 220,000 202,000 249,000 316,000 307,000 335,000 409,000 214,000 275,000 336,000 291,000 336,000 421,000 337,000 411,000 521,000 572,000 622,000 649,000 714,000 451,000 452,000                                                                
        total liabilities
      183,019,000 182,142,000 207,451,000 221,100,000 215,832,000 200,835,000 233,543,000 243,134,000 230,590,000 232,953,000 247,847,000 264,064,000 257,762,000 261,760,000 256,265,000 260,964,000 236,636,000 219,013,000 273,296,000 230,722,000 220,371,000 211,303,000 214,358,000 211,436,000 215,538,000 198,997,000 198,098,000 194,205,000 186,790,000 177,950,000 181,250,000 175,197,000 176,511,000 164,903,000 214,981,000 215,960,000 215,833,000 216,410,000 217,240,000 208,099,000 199,580,000 222,107,000 213,633,000 206,213,000 181,912,000 191,734,000 187,192,000 189,750,000 172,091,000 166,665,000 172,049,000 158,700,000 161,360,000 160,093,000 164,413,000 150,220,000 154,678,000 154,520,000 149,573,000 164,404,000 169,483,000 152,640,000 153,958,000 139,931,000 148,622,000 143,091,000 142,196,000 139,992,000 148,562,000 150,417,000 155,573,000 169,177,000 187,288,000 183,486,000 191,065,000 188,916,000 173,232,000 166,532,000 172,341,000 155,385,000 135,256,000 127,399,000 125,421,000 120,153,000 116,237,000 114,262,000 109,488,000 105,061,000 109,821,000  137,366,000 136,798,000 
        stockholders’ equity:
                                                                                                  
        preferred stock, .01 par value per share...
                                                                                                  
        common stock, .01 par value per share...
      816,000 815,000 815,000 815,000 815,000 815,000 814,000 814,000 814,000 813,000 813,000 813,000 812,000 811,000 811,000 810,000 819,000 830,000 829,000 829,000 828,000 827,000 827,000 551,000 548,000 547,000 547,000 546,000 546,000 545,000 547,000 547,000 546,000 545,000 545,000 545,000 327,000 326,000 326,000 325,000 324,000 328,000 336,000 336,000 335,000 334,000 334,000 334,000 333,000 333,000 221,000 221,000 221,000 221,000 221,000 220,000 220,000 220,000 220,000   219,000 219,000 219,000 219,000 219,000 219,000 218,000 218,000 218,000 218,000 218,000 218,000 218,000 218,000 218,000 218,000 218,000 217,000 216,000 144,000 144,000 143,000 143,000 141,000 141,000 140,000 138,000 91,000  43,000 42,000 
        additional paid-in capital
      54,858,000 54,762,000 54,143,000 53,994,000 53,073,000 52,941,000 52,225,000 51,385,000 50,066,000 49,789,000 49,280,000 48,663,000 47,151,000 47,188,000 46,366,000 44,867,000 60,256,000 85,718,000 85,539,000 85,578,000 85,019,000 85,070,000 84,389,000 83,816,000 79,730,000 79,465,000 78,840,000 77,789,000 76,687,000 76,814,000 79,304,000 78,366,000 76,915,000 76,413,000 75,951,000 75,740,000 74,891,000 74,175,000 73,024,000 71,405,000 70,481,000 76,468,000 91,371,000 90,975,000 88,793,000 87,370,000 86,992,000 86,787,000 85,708,000 85,077,000 82,918,000 82,679,000 82,090,000 81,834,000 81,138,000 80,078,000 79,659,000 79,324,000 78,938,000 78,428,000 77,785,000 77,444,000 76,987,000 76,477,000 76,351,000 76,236,000 75,619,000 75,305,000 75,163,000 74,307,000 74,019,000 74,570,000 74,488,000 74,393,000 73,767,000 73,601,000 73,423,000 73,345,000 72,870,000 71,045,000 70,821,000 70,634,000 70,187,000 70,111,000 68,337,000 67,433,000 66,738,000 64,265,000 63,651,000  10,973,000 10,822,000 
        retained earnings
      708,534,000 712,048,000 713,242,000 715,907,000 713,612,000 714,166,000 713,422,000 714,554,000 711,549,000 706,784,000 699,264,000 690,544,000 673,548,000 655,920,000 635,260,000 614,480,000 587,687,000 565,129,000 543,719,000 567,234,000 549,131,000 534,436,000 559,492,000 545,031,000 529,102,000 517,577,000 503,470,000 524,055,000 510,504,000 498,595,000 484,219,000 470,329,000 457,993,000 448,542,000 384,830,000 378,339,000 370,234,000 362,837,000 355,350,000 347,727,000 340,007,000 332,625,000 324,659,000 317,089,000 309,573,000 300,222,000 292,088,000 285,271,000 278,180,000 273,727,000 253,109,000 246,460,000 255,875,000 249,909,000 242,877,000 237,872,000 230,649,000 224,756,000 219,001,000 215,345,000 210,574,000 205,530,000 200,372,000 196,480,000 192,215,000 188,743,000 184,266,000 180,213,000 174,391,000 168,264,000 164,795,000 162,142,000 159,177,000 156,112,000 151,768,000 147,174,000 141,985,000 135,249,000 127,709,000 122,656,000 115,619,000 109,245,000 102,482,000 97,667,000 92,461,000 87,677,000 82,863,000 80,131,000 76,705,000  69,753,000 68,356,000 
        total stockholders’ equity
      764,208,000 767,625,000 768,200,000 770,716,000 767,500,000 767,922,000 766,461,000 766,753,000 762,429,000 757,386,000 749,357,000 740,020,000 721,511,000 703,919,000 682,437,000 660,157,000 648,762,000 651,677,000 630,087,000 653,641,000 634,978,000 620,333,000 644,708,000 629,398,000 609,380,000 597,589,000 582,857,000 602,390,000 587,737,000 575,954,000 564,070,000 549,242,000 535,454,000 525,500,000 461,326,000 454,624,000 445,452,000 437,338,000 428,700,000 419,457,000 410,812,000 409,421,000 416,366,000 408,400,000 398,701,000 387,926,000 379,414,000 372,392,000 364,221,000 359,137,000 336,248,000 331,923,000 340,612,000 334,374,000 326,482,000 320,359,000 313,134,000 306,732,000 300,415,000 295,904,000 290,516,000 285,140,000 279,450,000 274,907,000 270,693,000 267,090,000 262,001,000 255,736,000 249,772,000 242,789,000 239,032,000 236,930,000 233,883,000 230,723,000 225,753,000 220,993,000 215,626,000 208,812,000 200,796,000 193,917,000 186,584,000 180,023,000 172,812,000 167,921,000 160,939,000 155,251,000 149,741,000 144,534,000 140,447,000  80,769,000 79,220,000 
        total liabilities and stockholders’ equity
      947,227,000 949,767,000 975,651,000 991,816,000 983,332,000 968,757,000 1,000,004,000 1,009,887,000 993,019,000 990,339,000 997,204,000 1,004,084,000 979,273,000 965,679,000 938,702,000 921,121,000 885,398,000 870,690,000 903,383,000 884,363,000 855,349,000 831,636,000 859,066,000 840,834,000 824,918,000 796,586,000 780,955,000 796,595,000 774,527,000  745,320,000 724,439,000 711,965,000  676,307,000 670,584,000 661,285,000  645,940,000  610,392,000  629,999,000 614,613,000 580,613,000  566,606,000 562,142,000 536,312,000  508,297,000  501,972,000 494,467,000 490,895,000  467,812,000 461,252,000 449,988,000   437,780,000 433,408,000  419,315,000 410,181,000 404,197,000  400,036,000 395,055,000 396,244,000  422,472,000 415,261,000 417,800,000  389,762,000 376,039,000 373,598,000  321,840,000 307,422,000 298,233,000  277,176,000 269,513,000   250,268,000  218,135,000  
        trade, less allowances of 400 and 496, respectively
       85,807,000                                                                                           
        revenue equipment
       957,469,000    1,028,863,000    996,396,000    915,866,000    810,711,000    787,780,000    764,419,000    679,667,000    652,974,000    634,831,000    606,144,000    535,091,000    496,133,000  484,350,000    468,966,000    469,437,000    455,641,000    423,188,000    423,261,000    406,449,000    339,606,000    283,245,000    247,822,000    233,490,000 
        buildings and land
       108,648,000    108,990,000    108,867,000    102,877,000    92,824,000    90,049,000    88,414,000    85,578,000    79,881,000    75,566,000    73,159,000    71,105,000    52,213,000  39,664,000    30,602,000    25,678,000    18,763,000    14,067,000    12,099,000    10,945,000    10,877,000    10,467,000    8,013,000    8,003,000 
        office equipment and other
       62,815,000    60,884,000    57,073,000    56,089,000    52,941,000    52,294,000    51,404,000    51,185,000    50,793,000    49,156,000    45,294,000    39,776,000    31,579,000  27,122,000    24,406,000    20,507,000 518,072,000   16,723,000    13,917,000    12,070,000    11,335,000    11,797,000    9,053,000    7,667,000    7,338,000 
        less accumulated depreciation
       -352,426,000    -370,124,000    -370,103,000    -346,665,000    -274,199,000    -275,950,000    -263,843,000    -228,200,000    -211,728,000    -201,728,000    -196,588,000    -180,223,000    -164,916,000  -156,660,000    -155,774,000    -143,563,000                                 
        commitments and contingencies
                                                                                                  
        trade, less allowances of 496 and 497, respectively
           89,992,000                                                                                       
        trade, less allowances of 497 and 500, respectively
               105,501,000                                                                                   
        trade, less allowances of 500 and 348, respectively
                   120,702,000                                                                               
        trade, less allowance of 348 as of each date
                       99,003,000                                                                           
        accrued dividends
                        44,789,000                                                                          
        trade, less allowances of 348 and 382, respectively
                           83,426,000                                                                       
        trade, less allowances of 382 and 348, respectively
                               90,712,000                                                                   
        trade, less allowances of 348 and 300, respectively
                                   83,033,000                                                               
        other assets
                                   2,146,000 2,281,000 2,169,000 2,062,000 1,865,000 1,856,000 1,854,000 1,966,000 2,493,000 2,881,000 3,168,000 3,356,000 3,469,000 3,572,000 3,606,000 3,581,000 3,726,000 3,923,000 3,991,000 3,489,000 3,443,000 3,206,000 613,000 606,000 597,000 588,000 579,000 570,000 561,000 552,000 543,000 535,000 526,000 526,000 537,000 559,000 595,000 664,000 770,000 833,000 1,131,000 1,544,000 2,048,000 2,672,000 3,185,000 3,917,000 4,424,000 5,033,000 5,784,000 6,618,000 6,726,000 7,509,000 7,581,000 7,546,000 7,127,000 6,661,000 6,084,000 5,918,000 5,557,000 5,845,000 5,527,000 6,237,000 6,859,000 
        accrued liabilities
                                   28,166,000    21,622,000    26,839,000    21,634,000    12,710,000    19,251,000  16,981,000    15,431,000    12,724,000    15,588,000    17,109,000    17,731,000    24,855,000    18,557,000    12,292,000    13,379,000    10,625,000 
        operating revenue
                                   787,594,000    698,120,000                                                           
        operating expenses
                                                                                                  
        salaries, wages and benefits
                                   252,047,000    226,091,000                                                           
        purchased transportation
                                   144,611,000    118,349,000                                                           
        fuel and fuel taxes
                                   121,633,000    105,390,000                                                           
        supplies and maintenance
                                   40,853,000    41,613,000                                                           
        depreciation
                                   88,585,000    85,120,000                                                           
        operating taxes and licenses
                                   9,473,000    8,993,000                                                           
        insurance and claims
                                   38,657,000    38,585,000                                                           
        communications and utilities
                                   6,634,000    6,047,000                                                           
        gain on disposition of revenue equipment
                                   -7,244,000    -5,499,000                                                           
        operating income
                                   70,348,000    56,862,000                                                           
        income before income taxes
                                   71,029,000    56,473,000                                                           
        income taxes expense
                                   16,002,000                                                               
        net income
                                   55,027,000    90,284,000                                                           
        basic earnings per common share
                                   1,010    1,660                                                           
        diluted earnings per common share
                                   1,000    1,650                                                           
        dividends declared per common share
                                   100    80                                                           
        accounts payable and accrued liabilities
                                    48,259,000 45,782,000 49,421,000  39,938,000 46,103,000 43,981,000  46,121,000 45,129,000 44,431,000  49,536,000 65,221,000 41,985,000  38,709,000 42,063,000 42,467,000  47,718,000  40,782,000 41,463,000 44,810,000  36,212,000 36,737,000 33,206,000  33,748,000 36,066,000 40,102,000  38,235,000 32,593,000 33,449,000  40,829,000 35,353,000 32,573,000  36,752,000 26,869,000 26,990,000  24,412,000 25,384,000 28,002,000  22,867,000 20,288,000 20,068,000  21,615,000 24,815,000 17,131,000  18,296,000  16,706,000  
        trade, less allowances of 300 and 275, respectively
                                       74,886,000                                                           
        long-term debt
                                           7,886,000 8,549,000 4,376,000  37,867,000 26,280,000   24,373,000 24,681,000 16,757,000                                             
        gain on disposition of facilities
                                                                                                  
        income taxes (benefit) expense
                                       -33,811,000                                                           
        trade, less allowances of 275 and 305, respectively
                                           69,199,000                                                       
        checks issued in excess of cash balances
                                            199,000    687,000   745,000 28,000             1,066,000 587,000 693,000 923,000 1,671,000 1,241,000 1,042,000 472,000 1,807,000 1,293,000 11,000   544,000 92,000 350,000 804,000 266,000 208,000 628,000 1,446,000    2,849,000 1,172,000 1,235,000 3,269,000 549,000    130,000 
        total liabilities and stockholders' equity
                                             627,556,000                                                     
        trade, less allowances of 305 and 475, respectively
                                               70,597,000                                                   
        trade, less allowances of 475 and 450, respectively
                                                   72,263,000                                               
        trade, less allowances of 450 and 334, respectively
                                                       70,869,000                                           
        long-term debt, less current maturities
                                                         2,726,000          13,521,000 7,736,000 71,000   1,429,000 1,429,000 2,342,000 13,239,000 25,386,000 39,643,000 51,986,000 57,823,000 65,046,000 53,659,000 54,782,000 51,064,000 56,250,000 43,300,000 31,228,000 29,629,000 31,464,000 25,257,000 25,129,000 21,429,000 22,857,000 22,857,000 26,429,000 45,829,000 58,357,000 60,058,000 
        marten transport, ltd. stockholders’ equity:
                                                                                                  
        total marten transport, ltd. stockholders’ equity
                                                       359,137,000 336,248,000 329,360,000 338,186,000 331,964,000 324,236,000 318,170,000 310,528,000 304,300,000 298,159,000 293,993,000 288,578,000 283,193,000 277,578,000 273,176,000 268,785,000 265,198,000 260,104,000                          
        noncontrolling interest
                                                         2,563,000 2,426,000 2,410,000 2,246,000 2,189,000 2,606,000 2,432,000 2,256,000 1,911,000 1,938,000 1,947,000 1,872,000 1,731,000 1,908,000 1,892,000 1,897,000                          
        trade, less allowances of 334 and 470, respectively
                                                         66,239,000                                         
        marketable securities
                                                                 138,000 138,000 138,000 118,000 118,000 4,750,000 8,710,000 14,849,000 2,604,000 65,000 320,000 320,000 350,000 300,000 300,000 300,000 300,000 607,000 602,000 497,000 494,000 611,000 501,000 166,000 62,000 108,000 5,774,000 11,864,000 19,219,000 29,573,000    
        trade, less allowances of 470 and 170, respectively
                                                             59,385,000                                     
        current maturities of long-term debt
                                                                 19,346,000 27,066,000  1,428,000 1,428,000 1,428,000 1,428,000 1,428,000 1,428,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,095,000 5,095,000 5,117,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000  3,571,000 3,571,000 
        trade, less allowances of 170 and 245, respectively
                                                                 51,094,000                                 
        authorized; no shares issued and outstanding
                                                                                                  
        authorized; 21,950,252 shares at december 31, 2010,
                                                                                                  
        and 21,885,073 shares at december 31, 2009, issued
                                                                                                  
        and outstanding
                                                                 220,000                                 
        revenue equipment, buildings and land,
                                                                                                  
        2,000,000 shares authorized; no shares
                                                                                                  
        issued and outstanding
                                                                                                  
        48,000,000 shares authorized; 21,934,232 shares
                                                                                                  
        at september 30, 2010, and 21,885,073 shares at
                                                                                                  
        december 31, 2009, issued and outstanding
                                                                  219,000                                
        total liabilities and
                                                                                                  
        stockholders’ equity
                                                                  459,999,000                          259,229,000      
        trade, less allowances of 245 and 380, respectively
                                                                     45,434,000                             
        cash
                                                                        2,176,000 2,395,000 2,411,000 1,074,000 2,566,000 3,618,000 3,690,000 4,058,000 2,928,000 2,988,000 2,611,000 2,385,000 1,864,000 1,080,000 768,000 1,752,000 160,000      1,122,000  719,000  
        trade, less allowances of 380 and 315, respectively
                                                                         50,143,000                         
        minority interest
                                                                         1,715,000 1,702,000 1,849,000 1,639,000 1,283,000 1,301,000 1,052,000 982,000 913,000 904,000 695,000 461,000 431,000             
        trade, less allowances of 315 and 861, respectively
                                                                             51,539,000                     
        trade, less allowances of 861 and 928, respectively
                                                                                 48,005,000                 
        trade, less allowances of 928 and 909, respectively
                                                                                     47,383,000             
        trade, less allowances of 909 and 793, respectively
                                                                                         39,090,000         
        revenue equipment, buildings and land, office equipment, and other
                                                                                          291,322,000 284,025,000 273,096,000  261,133,000  254,071,000  
        trade, less allowances of 793 and 892, respectively
                                                                                             34,582,000     
        trade, less allowances of 892 and 868, respectively
                                                                                                 30,627,000 
        accumulated other comprehensive loss
                                                                                                  
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-06-30 2025-03-31 2024-12-31 2024-06-30 2024-03-31 2023-12-31 2023-06-30 2023-03-31 2022-12-31 2022-06-30 2022-03-31 2021-12-31 2021-06-30 2021-03-31 2020-12-31 2020-06-30 2020-03-31 2019-12-31 2019-06-30 2019-03-31 2018-12-31 2018-06-30 2018-03-31 2017-12-31 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-06-30 2015-03-31 2014-12-31 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 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-06-30 2003-03-31 2002-12-31 2002-06-30 2002-03-31 2001-06-30 2001-03-31 
                                                                                         
          cash flows from operating activities:
                                                                                         
          operations:
                                                                                         
          net income
        1,382,000 3,697,000 11,521,000 4,335,000 5,633,000 17,535,000 9,646,000 12,399,000 44,376,000 22,502,000 25,514,000 59,194,000 27,533,000 24,730,000 39,424,000 18,006,000 19,604,000 31,852,000 13,718,000 15,748,000 28,736,000 13,546,000 15,737,000 24,033,000 10,331,000 65,074,000 17,355,000 8,214,000 8,303,000 8,437,000 8,531,000 8,193,000 8,790,000 18,545,000 10,188,000 8,969,000 13,213,000 5,287,000  7,202,000 7,719,000 6,518,000 7,584,000 5,446,000 7,663,000 6,333,000 6,194,000 4,095,000 5,210,000 9,050,000 3,892,000 4,265,000 3,472,000 4,477,000 4,053,000 5,822,000 6,122,000 2,653,000 2,965,000 3,065,000 4,344,000 4,594,000 5,189,000 12,593,000 5,053,000 7,109,000 6,374,000 6,763,000 4,815,000 5,206,000 4,784,000 4,814,000 2,732,000 3,472,000  1,397,000 579,000 3,530,000 689,000 3,570,000 1,648,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                         
          depreciation
        25,006,000 25,168,000 54,777,000 27,470,000 27,528,000 56,733,000 28,527,000 28,748,000 58,957,000 29,530,000 29,625,000 53,008,000 26,143,000 25,964,000 51,227,000 25,687,000 25,914,000 51,399,000 25,427,000 24,842,000 46,005,000 22,543,000 22,305,000 44,008,000 21,815,000 21,245,000 42,689,000 21,383,000 21,240,000 20,790,000 20,368,000 20,047,000 19,854,000 36,138,000 17,827,000 17,754,000 33,236,000 16,371,000  15,688,000 15,790,000 15,537,000 15,042,000 14,535,000 15,173,000 14,758,000 14,084,000 13,516,000 13,383,000 25,649,000 13,037,000 12,978,000 13,272,000 13,386,000 13,433,000 13,001,000 24,308,000 11,962,000 11,692,000 11,867,000 11,727,000 11,723,000 11,537,000 21,566,000 10,674,000 10,447,000 9,447,000 9,267,000 9,068,000 8,577,000 8,256,000 8,061,000 7,863,000 7,706,000  7,289,000 7,060,000 13,658,000 6,862,000 13,288,000 6,595,000 
          tires in service amortization
        1,492,000 1,596,000 3,218,000 1,584,000 1,641,000 3,543,000 1,763,000 1,757,000 3,584,000 1,765,000 1,743,000 3,161,000 1,562,000 1,575,000 3,263,000 1,642,000 1,638,000 3,328,000 1,706,000                                                               
          gain on disposition of revenue equipment
        -1,420,000 -3,317,000 -6,847,000 -1,665,000 -387,000 -3,703,000 -1,171,000 -1,802,000 -8,796,000 -5,246,000 -2,957,000 -9,352,000 -4,540,000 -4,436,000 -7,323,000 -1,984,000 -2,834,000 -3,771,000 -1,555,000 -3,343,000 -2,778,000 -1,548,000 -2,038,000 -3,371,000 -1,211,000 -617,000 -2,974,000 -1,103,000 -3,040,000 -3,325,000 -2,703,000 -1,434,000 -741,000 -2,948,000  -1,027,000 -1,941,000 -663,000  -2,415,000 -1,249,000 -1,349,000 -1,179,000 -1,525,000   -967,000 -768,000 -298,000                                 
          deferred income taxes
        -1,104,000 -1,901,000 -2,936,000 -1,210,000 -9,409,000 1,476,000 -3,516,000 -3,425,000 -4,304,000 784,000 6,447,000 4,809,000 1,755,000 4,474,000 2,214,000 1,085,000 -4,792,000 1,263,000 1,768,000 9,568,000 2,601,000 819,000 -1,719,000 3,215,000 1,050,000 -49,220,000 192,000 3,416,000 3,244,000 3,416,000 3,150,000 3,680,000 15,103,000 4,612,000 2,306,000 13,217,000 2,151,000 1,076,000  1,564,000 1,099,000 1,112,000 711,000 1,900,000 2,033,000 769,000 4,417,000 2,857,000 6,621,000   25,000 1,759,000 2,073,000 1,706,000 3,411,000 1,936,000                         
          share-based payment arrangement compensation expense
        135,000 382,000 1,328,000 407,000 453,000 1,364,000 353,000 459,000 1,359,000 354,000 586,000 1,573,000 369,000 679,000 1,266,000 336,000 487,000 972,000 246,000 422,000 1,002,000 366,000 1,221,000 1,210,000 321,000 334,000 730,000 149,000 142,000 73,000 378,000 290,000 215,000 856,000 273,000 201,000 611,000 211,000  217,000 178,000 256,000 543,000 248,000 419,000 335,000 357,000 238,000 463,000 460,000 159,000 125,000 115,000 228,000 118,000 115,000 358,000 101,000 81,000 97,000 195,000 87,000                    
          changes in other current operating items:
                                                                                         
          receivables
        -2,699,000 2,369,000 -413,000 -3,571,000 3,208,000 9,185,000 6,025,000 7,264,000 13,087,000 9,135,000 1,110,000 -37,619,000 -26,256,000 -1,940,000 -7,596,000 -4,241,000 -4,121,000 14,764,000 -782,000 -12,220,000 -2,798,000 -315,000 -28,000 -8,854,000 -7,535,000 -2,909,000 3,191,000 771,000 267,000 -4,005,000 -995,000 13,251,000 -7,332,000 11,536,000 18,703,000 -11,088,000 -7,205,000 1,795,000  -307,000 2,969,000 -4,066,000 -6,005,000 -693,000   -9,120,000 3,792,000 -2,322,000   6,675,000 182,000 -4,757,000 5,612,000                           
          prepaid expenses and other
        3,023,000 -34,000 2,116,000 2,387,000 -939,000 -5,675,000 1,810,000 -1,537,000 -3,633,000 2,232,000 -4,326,000 -5,040,000 886,000 -2,673,000 -3,425,000 1,445,000 -2,276,000 -3,798,000 930,000 -1,872,000 200,000 1,899,000 -1,108,000 -66,000 624,000 -3,547,000 1,672,000 2,205,000 -2,592,000 407,000 -293,000 1,305,000 -2,331,000 948,000 1,692,000 -3,379,000 1,325,000 1,908,000  1,783,000 -2,304,000 847,000 243,000 1,150,000 -2,732,000 49,000 -797,000 1,460,000 -2,545,000 1,450,000 1,532,000 -1,794,000 714,000 335,000 2,122,000                           
          accounts payable
        4,240,000 -10,019,000 2,329,000 2,282,000 -2,281,000 2,885,000 2,197,000 -4,854,000 -1,450,000 -6,691,000 -2,471,000 19,927,000 5,572,000 -8,325,000 392,000 677,000 -432,000 951,000 617,000 3,490,000 87,000 2,098,000                                                            
          insurance and claims accruals
        1,153,000 2,387,000 -429,000 -760,000 1,300,000 -2,721,000 -2,720,000 735,000 1,918,000 3,220,000 83,000 3,675,000 578,000 886,000 1,843,000 2,117,000 2,966,000 4,105,000 2,695,000 1,082,000 2,804,000 1,278,000 2,808,000 -603,000 -763,000 980,000 2,371,000 1,142,000 1,679,000 361,000 295,000 870,000 1,403,000 -353,000 834,000 239,000 608,000 443,000  -250,000 511,000 913,000 -1,592,000 964,000   -2,021,000 -496,000 -302,000                                 
          accrued and other current liabilities
        1,841,000 -14,746,000 4,704,000 4,956,000 -2,954,000 921,000 2,808,000 -1,699,000 -6,897,000 -8,353,000 914,000 5,334,000 6,338,000 2,361,000 2,080,000 -1,200,000 -1,263,000 3,002,000 -1,290,000 -4,621,000 -1,865,000 -3,397,000                                                            
          net cash from operating activities
        33,049,000 5,582,000 69,368,000 36,215,000 23,793,000 81,543,000 45,722,000 38,045,000 98,201,000 49,232,000 56,268,000 98,670,000 39,940,000 43,295,000 83,365,000 43,570,000 34,891,000 104,067,000 43,480,000 33,570,000 73,509,000 36,803,000 38,526,000 67,375,000 23,182,000 27,169,000 65,220,000 37,674,000 29,425,000 24,020,000 25,056,000 55,065,000 26,816,000 71,776,000 53,162,000 23,588,000 40,695,000 27,508,000  21,994,000 22,750,000 22,777,000 20,233,000 19,779,000 25,462,000 18,288,000 14,465,000 27,991,000 18,609,000 23,968,000 18,677,000 18,479,000 20,679,000 15,112,000 27,416,000 26,625,000 21,718,000 14,739,000 17,406,000 14,907,000 12,656,000 16,838,000 32,253,000 30,730,000 12,432,000  17,627,000 15,122,000 12,790,000  8,446,000 18,017,000 8,762,000 5,084,000  10,019,000    21,917,000  
          capital expenditures
                
          free cash flows
        33,049,000 5,582,000 69,368,000 36,215,000 23,793,000 81,543,000 45,722,000 38,045,000 98,201,000 49,232,000 56,268,000 98,670,000 39,940,000 43,295,000 83,365,000 43,570,000 34,891,000 104,067,000 43,480,000 33,570,000 73,509,000 36,803,000 38,526,000 67,375,000 23,182,000 27,169,000 65,220,000 37,674,000 29,425,000 24,020,000 25,056,000 55,065,000 26,816,000 71,776,000 53,162,000 23,588,000 40,695,000 27,508,000  21,994,000 22,750,000 22,777,000 20,233,000 19,779,000 25,462,000 18,288,000 14,465,000 27,991,000 18,609,000 23,968,000 18,677,000 18,479,000 20,679,000 15,112,000 27,416,000 26,625,000 21,718,000 14,739,000 17,406,000 14,907,000 12,656,000 16,838,000 32,253,000 30,730,000 12,432,000  17,627,000 15,122,000 12,790,000  8,446,000 18,017,000 8,762,000 5,084,000  10,019,000    21,917,000  
          cash flows used for investing activities:
                                                                                         
          revenue equipment additions
        -11,935,000 -19,906,000 -73,141,000 -16,454,000 -57,812,000 -91,884,000 -28,443,000 -63,958,000 -118,294,000 -42,358,000 -52,021,000 -54,202,000 -9,352,000 -36,591,000 -98,877,000 -30,226,000 -27,938,000 -75,463,000 -44,086,000 -57,524,000 -60,784,000 -13,159,000 -30,304,000 -85,325,000 -37,696,000 -13,846,000 -76,210,000 -32,797,000 -43,481,000 -45,494,000 -47,144,000 -18,865,000 -34,377,000 -68,524,000  -28,893,000 -66,115,000 -27,543,000  -23,989,000 -13,873,000 -28,523,000 -50,794,000 -28,587,000   -12,951,000 -10,192,000 -15,364,000                                 
          proceeds from revenue equipment dispositions
        9,211,000 12,304,000 34,337,000 10,481,000 13,373,000 47,658,000 10,075,000 16,884,000 34,000,000 16,218,000 13,168,000 23,854,000 12,365,000 17,071,000 38,995,000 13,896,000 17,313,000 19,788,000 9,459,000 16,500,000 18,879,000 8,529,000 18,822,000 31,954,000 14,924,000 7,641,000 31,304,000 12,594,000 16,985,000 18,985,000 18,586,000 10,526,000 12,560,000 28,867,000 13,291,000 8,504,000 21,439,000 9,850,000  14,478,000 5,113,000 10,415,000 13,736,000 17,370,000 8,276,000 11,214,000 9,514,000 7,453,000 8,330,000 24,052,000 10,017,000 9,840,000 10,207,000 8,054,000 4,775,000 7,365,000 17,524,000 7,763,000 7,657,000 3,641,000 7,840,000 8,801,000 7,745,000 21,085,000 12,371,000 8,634,000                
          buildings and land, office equipment and other additions
         415,000 -2,672,000 -2,388,000 -528,000 -3,758,000 -1,840,000 -1,028,000 -4,311,000 -2,106,000 -3,697,000 -4,618,000 -2,566,000 -2,072,000 -1,520,000 -1,050,000 -1,960,000 -3,476,000 -1,966,000 -1,301,000 -2,248,000 -1,256,000 -964,000 -5,788,000 -4,611,000 -5,136,000 -2,034,000 -743,000 -1,953,000 -2,652,000 -1,566,000 -1,198,000 -1,698,000 -8,280,000  -3,015,000 -24,839,000 -3,682,000  -1,743,000 -1,826,000 -4,739,000 -3,064,000 -3,947,000   -3,639,000 -2,257,000 -2,830,000                                 
          proceeds from buildings and land, office equipment and other dispositions
        1,171,000    76,000 8,000 8,000 32,000 11,000 11,000       8,000            10,000 6,000   1,969,000 4,625,000 4,616,000 11,000    2,000 84,000    2,000    86,000 85,000 -7,000 -105,000 33,000 110,000  2,000 2,000 8,000 607,000 2,000                    
          other
        -54,000 -52,000 -52,000 -49,000 -49,000 -45,000 -45,000 -38,000 -38,000 -1,000 -36,000 -37,000 -39,000 -39,000 -25,000 -25,000 13,000 -18,000 -9,000 -9,000 -25,000 -16,000 -9,000 -9,000 -8,000 -16,000 -9,000 -23,000  -10,000 -18,000 -9,000  91,000 -7,000 -9,000 -9,000 -9,000  -9,000                                    
          net cash from investing activities
        -1,607,000 -7,135,000 -41,528,000 -8,413,000 -44,891,000 -48,025,000 -20,249,000 -48,070,000 -88,639,000 -28,280,000 -42,542,000 -35,004,000 409,000 -21,592,000 -61,438,000 -17,417,000 -12,577,000 -59,190,000 -36,632,000 -41,151,000 -44,178,000 -5,911,000 -12,428,000 -59,177,000 -27,392,000 -11,303,000 -46,965,000 -20,962,000 -28,448,000 -29,164,000 -30,125,000 -9,553,000 -21,555,000 -43,335,000  -23,403,000 -69,533,000 -21,384,000  -13,085,000 -10,509,000 -22,302,000 -40,131,000 -15,173,000   -7,012,000 -4,867,000 -9,872,000        2,770,000                         
          cash flows used for financing activities:
                                                                                         
          dividends on common stock
        -4,896,000 -4,891,000 -9,780,000 -4,889,000 -4,889,000 -9,765,000 -4,881,000 -4,879,000 -9,752,000 -4,874,000  -9,843,000 -4,975,000  -6,626,000 -3,311,000 -44,661,000 -4,398,000 -2,193,000 -1,641,000 -3,276,000 -1,637,000 -1,361,000 -2,731,000 -1,365,000 -1,362,000 -1,635,000 -817,000 -816,000 -814,000 -811,000 -811,000 -824,000 -1,678,000  -835,000 -1,669,000 -834,000  -553,000 -17,134,000 -552,000 -552,000 -441,000   -439,000 -439,000 -439,000                                 
          issuance of common stock from share-based payment arrangement exercises and vesting of performance unit awards
        238,000  9,000 9,000  615,000 307,000                                                                           
          employee taxes paid in exchange for shares withheld
        -276,000 -284,000 -284,000 -382,000 -382,000 -926,000 -926,000 -1,610,000 -1,610,000 -817,000 -1,253,000 -547,000 -437,000 -437,000 -784,000 -784,000 -104,000 -104,000 -47,000 -47,000 -127,000                                                  
          net cash from financing activities
        -4,934,000 -4,654,000 -10,055,000 -5,164,000 -4,625,000 -9,532,000 -4,956,000 -4,829,000 -9,634,000 -5,264,000 -4,618,000 -52,287,000 -30,817,000 -48,608,000 -7,382,000 -3,697,000 -44,466,000 -1,015,000 -2,173,000 -1,438,000 -3,302,000 -2,129,000 -5,074,000 -1,986,000 -1,183,000 -1,234,000 -8,685,000 -8,135,000 -664,000 5,111,000 4,121,000 -44,790,000 -4,972,000 -24,065,000  -249,000 16,144,000 -459,000  -3,341,000 -13,895,000 -597,000 -491,000 211,000   -491,000 -20,389,000 -7,801,000  7,326,000          -7,079,000 11,002,000 -508,000 8,431,000 13,779,000  2,128,000 -1,897,000 3,409,000 2,839,000 9,800,000 3,025,000 11,432,000         
          net change in cash and cash equivalents and escrow deposit
        26,508,000 -6,207,000                                                                                
          cash and cash equivalents and escrow deposit:
                                                                                         
          beginning of period
        48,278,000  17,267,000 17,267,000  53,213,000 53,213,000  80,600,000 80,600,000  56,995,000 56,995,000  66,127,000 66,127,000  31,461,000 31,461,000  56,763,000 56,763,000  15,791,000 15,791,000  488,000 488,000  434,000  123,000 123,000  13,650,000 13,650,000  3,473,000  20,821,000  5,306,000  5,410,000 5,410,000  2,395,000  3,618,000 3,618,000  2,988,000  1,080,000 1,080,000             1,990,000 1,990,000   
          end of period
        74,786,000  35,052,000 39,905,000  77,199,000 73,730,000  80,528,000 96,288,000  68,374,000 66,527,000  80,672,000 88,583,000  75,323,000 36,136,000  82,792,000 85,526,000  22,003,000 10,398,000  10,058,000 9,065,000  -33,000 -948,000 1,156,000  4,499,000 21,700,000  956,000 19,315,000  9,041,000  -122,000 -20,389,000 25,638,000  5,511,000 6,962,000 8,041,000  3,563,000 4,347,000  -93,000 5,808,000 2,176,000  1,074,000 2,566,000  -368,000 1,130,000 2,928,000  2,385,000 1,864,000  -984,000 1,592,000 160,000       719,000      
          supplemental non-cash disclosure:
                                                                                         
          change in property and equipment not yet paid
        -3,688,000 -1,004,000 13,734,000 8,673,000 -17,352,000 3,109,000 -6,780,000 930,000 5,870,000 2,561,000 338,000 9,765,000 4,392,000 -6,879,000 10,585,000 5,505,000 875,000 -5,985,000 11,107,000 -10,278,000 11,418,000 5,030,000 -1,380,000 -2,790,000 12,493,000 1,685,000 3,156,000 1,139,000 -4,770,000 2,749,000 6,418,000 114,000 -7,384,000 30,210,000 5,315,000                                               
          operating lease assets and liabilities acquired
         -116,000 287,000 171,000 88,000          88,000 88,000                                                               
          reconciliation of cash and cash equivalents and escrow deposit in the consolidated condensed balance sheets:
                                                                                         
          cash and cash equivalents
        69,786,000 -6,207,000                                                                                
          escrow deposit
        5,000,000                                                                                
          total cash and cash equivalents and escrow deposit shown above
        74,786,000 -6,207,000                                                                                
          issuance of common stock from share-based payment arrangement exercises and vesting of performance awards
                                                                                         
          beginning of year
                                                                                         
          end of year
                                                                                         
          supplemental disclosure of cash flow information:
                                                                                         
          cash paid for:
                                                                                         
          income taxes
            10,497,000   17,618,000   7,236,000   4,505,000 8,319,000 1,350,000 12,437,000 987,000  506,000 4,143,000 1,382,000 6,721,000 848,000 463,000 3,324,000 7,892,000 290,000 2,626,000 1,036,000 3,303,000 -6,934,000 6,572,000 -7,440,000  6,765,000 11,765,000 2,347,000  3,697,000 2,113,000 2,456,000 3,588,000 679,000   623,000 -8,517,000 193,000 9,736,000 2,047,000 1,124,000 162,000 2,165,000 1,454,000 420,000 3,575,000 2,669,000 941,000 4,045,000 1,571,000 72,000 1,341,000 301,000 243,000 1,774,000 926,000 340,000 -74,000 1,058,000 2,838,000 243,000 474,000 978,000 -474,000 74,000 -807,000 -424,000  -378,000 170,000 
          interest
                 13,000         13,000 23,000 11,000 14,000 20,000 8,000 110,000 29,000 24,000 40,000 47,000 40,000 87,000 116,000 53,000 28,000 65,000 47,000 24,000  2,000 3,000    4,000 3,000 29,000 60,000 115,000 45,000 36,000 35,000 65,000 64,000 159,000 864,000 544,000 869,000 933,000 1,132,000 1,032,000 882,000 1,564,000 744,000 663,000 512,000 606,000 566,000 576,000 512,000 520,000 523,000 582,000 1,596,000 798,000 799,000 1,920,000 963,000 3,131,000 1,710,000 
          reconciliation of cash and cash equivalents and escrow deposit in the consolidated balance sheets:
                                                                                         
          cash paid for income taxes
          7,390,000   2,362,000   6,809,000 22,000  9,045,000 872,000                                                                     
          reconciliation of cash and cash equivalents and escrow deposit in the consolidated condensed balance sheets
                                                                                         
          net change in cash and cash equivalents
          17,785,000 22,638,000 -25,723,000 23,986,000 20,517,000 -14,854,000 -72,000 15,688,000 9,108,000 11,379,000 9,532,000 -26,905,000 14,545,000 22,456,000 -22,152,000 43,862,000 4,675,000 -9,019,000 26,029,000 28,763,000 21,024,000 6,212,000 -5,393,000 14,632,000 9,570,000 8,577,000 313,000 -33,000 -948,000 722,000 289,000 4,376,000 21,577,000 -64,000 -12,694,000 5,665,000   -1,654,000 -122,000 -20,389,000 4,817,000 307,000 5,511,000 6,962,000 2,735,000 936,000   -2,481,000 -93,000                             
          cash and cash equivalents:
                                                                                         
          repurchase and retirement of common stock
                  -41,753,000 -25,000,000    -597,000 -597,000          -7,513,000                                                  
          issuance of common stock from share-based payment arrangement exercises, deferred compensation plan distributions and vesting of performance unit awards
               50,000 1,044,000 536,000 236,000 919,000 768,000 318,000                                                                    
          cash flows from investing activities:
                                                                                         
          gain on disposition of facility
                                        -3,712,000                                                
          dividends paid on common stock
                                                                                         
          dividends declared and not yet paid
                                                                                         
          equity in loss from affiliate
                                 264,000 143,000  296,000 196,000 129,000                                                  
          disposition of investment in affiliate
                                                                                         
          issuance of common stock from share-based payment arrangement exercises
                      497,000 161,000 195,000 4,417,000 1,054,000 203,000 758,000 292,000 43,000 849,000 286,000 128,000 883,000 615,000 908,000 1,454,000 526,000 1,528,000 1,127,000 2,303,000 973,000 159,000 966,000 370,000  22,000 352,000 75,000 541,000 32,000 105,000  234,000 160,000 244,000 88,000 98,000 82,000 238,000 65,000 52,000 753,000 663,000                 
          equity in loss (earnings) from affiliate
                           11,000 68,000 51,000                                                            
          distribution from affiliate
                              182,000 45,000  400,000 400,000                                                      
          adoption of accounting standard
                              485,000 485,000                                                         
          borrowings under credit facility and long-term debt
                                 10,015,000 30,816,000 30,816,000 49,559,000 54,084,000 39,819,000 36,225,000 47,471,000 13,444,000 13,444,000 65,532,000 26,875,000   2,649,000 7,301,000 9,551,000   2,250,000 53,000 35,329,000 38,986,000 69,650,000 27,946,000     24,058,000 81,925,000 37,209,000 36,614,000 30,321,000 29,612,000 42,558,000 33,825,000 63,798,000 38,902,000 50,565,000 25,000,000 22,000,000 33,152,000             
          repayment of borrowings under credit facility and long-term debt
                                 -10,015,000 -38,702,000 -38,702,000 -50,222,000 -49,911,000 -35,443,000 -74,092,000 -35,884,000 -37,817,000  -65,840,000 -10,118,000   -5,375,000 -4,575,000 -9,551,000     -53,000 -54,675,000 -46,706,000                                 
          cash in lieu of fractional shares from stock split
                                                                                        
          net noncurrent operating lease assets and liabilities
                            -553,000 -537,000                                                            
          equity in (earnings) loss from affiliate
                              -60,000 -331,000 -188,000                                                         
          tax benefits from share-based payment arrangement exercises
                                        -78,000 448,000 178,000 18,000 134,000 50,000   59,000 78,000 272,000 -3,000 167,000 112,000 273,000 191,000 1,000 145,000 109,000 27,000 91,000 76,000 1,000 -2,000 193,000 14,000                    
          accrued liabilities
                                                                                         
          accounts payable and accrued liabilities
                               7,604,000 -1,747,000  -670,000 954,000  -2,424,000 -3,862,000 8,903,000  5,991,000 6,034,000  -817,000 1,072,000  -1,572,000  2,948,000 4,630,000 -2,464,000  -4,838,000 2,061,000 3,142,000  115,000 3,813,000    311,000                           
          gain on disposition of facilities
                                                                                         
          change in checks issued in excess of cash balances
                                        -687,000 -745,000                                                
          tax deficiencies from share-based payment arrangement exercises
                                                                                         
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                         
          excess tax benefits from share-based payment arrangement exercises
                                    -106,000 -99,000   -428,000 159,000 -18,000 -90,000 -5,000   -54,000 -67,000 -215,000 -284,000 284,000 7,000 -149,000  235,000 164,000 1,000 129,000 93,000 24,000 73,000 61,000 -2,000 164,000 4,000 25,000 1,152,000 984,000                 
          cash flows from financing activities:
                                                                                         
          tax (deficiencies) benefits from share-based payment arrangement exercises
                                     93,000 21,000 -169,000                                                  
          income before income taxes attributable to noncontrolling interest
                                               84,000 30,000 61,000 245,000 161,000 99,000 318,000 253,000 137,000 266,000 57,000 56,000 230,000                              
          decrease in cash and cash equivalents resulting from change to equity method of accounting
                                               -1,924,000                                          
          noncontrolling interest distributions
                                                107,000        -293,000                                 
          equity in earnings from affiliate
                                         143,000 159,000 207,000 -530,000 -37,000                                            
          change in net checks issued in excess of cash balances
                                           717,000           -1,066,000 479,000       514,000 11,000             1,677,000 -63,000 -2,034,000 2,720,000  494,000   1,174,000    
          cash flows provided by (used for) financing activities:
                                                                                         
          change in property and equipment not yet paid for
                                           -8,237,000 4,837,000 3,469,000  15,861,000 -8,528,000 -3,629,000 -7,977,000 13,931,000 -3,824,000 4,313,000 1,470,000 -460,000                                  
          adjustments to reconcile net income to net cash flows from operating activities:
                                                                                         
          net cash flows from operating activities
                                                                                         
          net cash flows used for investing activities
                                                                                         
          net cash flows used for financing activities
                                                                                         
          item no.
                                                                                         
          31.1
                                                                                         
          31.2
                                                                                         
          32.1
                                                                                         
          101
                                                                                         
          noncontrolling interest distributions and other
                                               -84,000   -81,000 -104,000   -77,000 208,000  159,000 85,000                               
          net increase in cash and cash equivalents
                                               5,568,000                                          
          non-cash investing activities:
                                                                                         
          purchases of marketable securities
                                                                                        
          sales of marketable securities
                                                       138,000    8,139,000 43,611,000 41,174,000 22,732,000 25,607,000 30,000 30,000     2,139,000 1,690,000  1,941,000 12,236,000 13,226,000 4,692,000 8,045,000 19,410,000 30,754,000 31,101,000         
          net change in other assets
                                                       -9,000 -8,000 11,000 11,000 22,000 36,000 69,000 106,000 63,000 917,000 504,000 624,000 513,000 732,000 507,000 609,000 942,000 108,000         288,000 1,332,000 622,000     -110,000 
          excess tax benefits from share-based
                                                                                         
          payment arrangement exercises
                                                                                         
          proceeds from buildings and land, office equipment
                                                                                         
          and other dispositions
                                                                                         
          issuance of common stock from share-based payment
                                                                                         
          arrangement exercises
                                                                                         
          adjustments to reconcile net income to net cash flows
                                                                                         
          from operating activities:
                                                                                         
          change in revenue equipment not yet paid for
                                                         4,055,000 4,393,000 -3,806,000 2,696,000 -422,000 244,000 -1,310,000 -1,627,000 -2,412,000 -2,012,000 5,150,000 -1,753,000 -11,618,000                    
          cash flows provided by operating activities:
                                                                                         
          net cash from (used for) financing activities
                                                         11,672,000                                
          income before income taxes attributable to noncontrolling interest, net of distributions
                                                                                         
          other current liabilities
                                                             321,000 334,000                           
          cash flows (used for) provided by investing activities:
                                                                                         
          income before income taxes attributable to noncontrolling interest, net of distributions and other
                                                              182,000                           
          net change in cash
                                                                  -72,000 -368,000   377,000 1,305,000 784,000 -543,000 -984,000 1,592,000 160,000       719,000      
          cash:
                                                                                         
          minority interest in earnings of affiliate, net of distributions
                                                               13,000 566,000 356,000                        
          changes in other current operating items
                                                                 1,155,000    312,000              1,190,000    3,046,000  
          minority interest in undistributed earnings of affiliate
                                                                  -18,000 249,000 70,000 69,000 9,000 264,000 30,000                 
          deferred tax provision
                                                                    -231,000 1,223,000 303,000 4,825,000 3,295,000 3,344,000 2,685,000 2,884,000 2,858,000 3,744,000   175,000 640,000  230,000 93,000 1,747,000 618,000 2,436,000 1,207,000 
          cash flows provided by financing activities:
                                                                                         
          revenue equipment not yet paid for
                                                                                         
          share-based payment arrangements compensation expense
                                                                       261,000 62,000                 
          tax benefit of stock option exercises
                                                                         122,000 97,000 153,000 38,000 788,000 407,000 299,000 1,118,000         
          net cash provided by operating activities
                                                                                    6,544,000 16,146,000 4,471,000   
          net cash used for investing activities
                                                                                         
          issuance of common stock from offering
                                                                                         
          issuance of common stock from stock option exercises
                                                                         102,000 90,000 295,000 38,000 988,000 497,000 397,000 1,357,000         
          net cash provided by financing activities
                                                                                         
          property additions:
                                                                                         
          revenue equipment
                                                                                        -3,598,000 
          loss on disposition of revenue equipment
                                                                                         
          borrowings under credit facility
                                                                                         
          cash paid (received) for:
                                                                                         
          supplemental disclosure of noncash investing activities:
                                                                                         
          lease receivables from disposition of revenue equipment
                                                                                         
          buildings and land, office equipment, and other additions
                                                                                         
          long-term borrowings
                                                                                 30,300,000 20,300,000 28,600,000 27,600,000 12,800,000 30,600,000 11,900,000 
          repayment of long-term borrowings
                                                                                  -43,100,000      -20,260,000 
          purchases and sales of marketable securities
                                                                                         
          issuance of common stock
                                                                                  752,000 152,000 9,000 522,000 522,000   
          repurchase of common stock
                                                                                         
          net cash (used for) provided by financing activities
                                                                                         
          net cash used for financing activities
                                                                                         
          other comprehensive loss
                                                                                        -186,000 
          common stock repurchased
                                                                                         
          adjustments to reconcile net
                                                                                         
          income to net cash flows
                                                                                         
          gain on disposition of revenue
                                                                                         
          equipment
                                                                                        -139,000 
          changes in other current
                                                                                         
          operating items
                                                                                        2,977,000 
          net cash from
                                                                                         
          operating activities
                                                                                        12,102,000 
          buildings and land, office equipment,
                                                                                         
          and other additions
                                                                                        -34,000 
          net cash from investing
                                                                                         
          activities
                                                                                        -3,742,000 
          financing activities
                                                                                        -8,360,000