7Baggers

Werner Enterprises, Inc
(NASDAQ:WERN) 

WERN stock logo

Werner Enterprises, Inc., a transportation and logistics company, engages in transporting truckload shipments of general commodities in interstate and intrastate commerce in the United States, Mexico, and internationally. It operates in two segments, Truckload Transportation Services and Werner Logi...

Founded: 1956
Full Time Employees: 12,736
Sector: Industrials
Industry: Trucking

Share this website to your friends
• Market Cap:
• Exchange:
• Shs Outstanding:
• Employees:
• Beta:
• Return on Equity (ROE) ttm:
• Return on Assets (ROA) ttm:
• EPS ttm:
• Book value per Share:
• Cash per Share:
• Current ast per Share:
• P/E ttm:
• P/E forward:
• P/E ttm high:
• P/E ttm low:
• P/S ttm:
• P/B ttm:
• P/FCF ttm:
• PEG ratio:
• Cash Ratio ttm:
• Quick Ratio ttm:
• Current Ratio ttm:
• Gross Mgn ttm:
• EBITDA Mgn ttm:
• Operating Mgn ttm:
• Net Income Mgn ttm:
• Trailing Div yield:
• Forward Div yield:
• Payout Ratio ttm:
• Ex-Dividend date:
• Target Price High:
• Target Price Low:
• Target Price Mean:
• Number of Analysts:
• Debt Ratio ttm:
• Debt to Equity ttm:
• Total Net Debt:
At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 
                                                                   
      operating revenues
    737,635,000 771,499,000 753,148,000 712,114,000 754,679,000 745,701,000 760,798,000 769,080,000 821,945,000 817,744,000 811,096,000 832,714,000 861,491,000 827,606,000 836,276,000 764,605,000 765,221,000 702,891,000 649,814,000 616,446,000 620,302,000 590,214,000 568,959,000 592,703,000 621,787,000 618,264,000 627,533,000 596,117,000 646,365,000 629,735,000 619,130,000 562,684,000 567,365,000 528,643,000 519,508,000 501,221,000 518,832,000 508,676,000 498,681,000 482,802,000 528,783,000 534,448,000 534,644,000 495,654,000 553,186,000 551,961,000 542,120,000 492,022,000 517,920,000 511,728,000 506,648,000 492,887,000 509,694,000 506,504,000 521,812,000 498,376,000 507,937,000 509,587,000 515,897,000 469,429,000 463,214,000 463,262,000 463,469,000 
      yoy
    -2.26% 3.46% -1.01% -7.41% -8.18% -8.81% -6.20% -7.64% -4.59% -1.19% -3.01% 8.91% 12.58% 17.74% 28.69% 24.03% 23.36% 19.09% 14.21% 4.01% -0.24% -4.54% -9.33% -0.57% -3.80% -1.82% 1.36% 5.94% 13.92% 19.12% 19.18% 12.26% 9.35% 3.93% 4.18% 3.82% -1.88% -4.82% -6.73% -2.59% -4.41% -3.17% -1.38% 0.74% 6.81% 7.86% 7.00% -0.18% 1.61% 1.03% -2.91% -1.10% 0.35% -0.60% 1.15% 6.17% 9.65% 10.00% 11.31%     
      qoq
    -4.39% 2.44% 5.76% -5.64% 1.20% -1.98% -1.08% -6.43% 0.51% 0.82% -2.60% -3.34% 4.09% -1.04% 9.37% -0.08% 8.87% 8.17% 5.41% -0.62% 5.10% 3.74% -4.01% -4.68% 0.57% -1.48% 5.27% -7.77% 2.64% 1.71% 10.03% -0.83% 7.32% 1.76% 3.65% -3.39% 2.00% 2.00% 3.29% -8.70% -1.06% -0.04% 7.87% -10.40% 0.22% 1.82% 10.18% -5.00% 1.21% 1.00% 2.79% -3.30% 0.63% -2.93% 4.70% -1.88% -0.32% -1.22% 9.90% 1.34% -0.01% -0.04%  
      operating expenses:
                                                                   
      salaries, wages and benefits
    238,429,000 268,720,000 250,451,000 243,225,000 251,385,000 258,335,000 259,754,000 265,403,000 269,816,000 268,054,000 266,373,000 268,315,000 260,531,000 264,443,000 253,639,000 241,996,000 245,814,000 234,250,000 210,095,000 204,853,000 197,718,000 197,151,000 194,981,000 205,997,000 200,101,000 209,586,000 206,001,000 202,799,000 200,549,000 201,606,000 196,115,000 182,794,000 180,927,000 170,238,000 169,543,000 160,839,000 156,814,000 162,862,000 159,699,000 156,737,000 160,766,000 167,301,000 160,376,000 151,465,000 155,581,000 149,206,000 144,506,000 134,713,000 139,244,000 137,834,000 135,236,000 133,105,000 137,039,000 134,923,000 138,512,000 133,848,000 136,253,000 132,128,000 135,265,000 132,863,000 130,684,000 134,255,000 134,303,000 
      fuel
    60,249,000 64,059,000 60,401,000 63,092,000 60,907,000 64,886,000 71,998,000 77,622,000 85,478,000 90,369,000 77,740,000 91,414,000 111,447,000 111,985,000 125,446,000 88,421,000 71,833,000 64,692,000 58,503,000 50,838,000 39,743,000 37,933,000 30,677,000 48,771,000 59,208,000 59,518,000 61,064,000 56,138,000 62,795,000 67,072,000 65,665,000 59,032,000 58,194,000 50,266,000 45,129,000 45,156,000 43,008,000 40,638,000 39,336,000 32,060,000 43,587,000 50,855,000 57,381,000 52,760,000 76,032,000 86,820,000 92,131,000 91,075,000 91,915,000 92,890,000 90,191,000 96,793,000 100,353,000 98,805,000 99,322,000 102,937,000 100,695,000 103,777,000 110,502,000 97,931,000 85,199,000 75,986,000 78,452,000 
      supplies and maintenance
    60,416,000 65,496,000 62,260,000 60,040,000 60,750,000 61,548,000 61,988,000 61,775,000 63,124,000 60,181,000 64,964,000 68,225,000 65,406,000 68,009,000 62,656,000 57,025,000 54,073,000 57,067,000 49,414,000 46,147,000 42,763,000 44,015,000 43,343,000 45,721,000 45,946,000 46,907,000 44,371,000 45,685,000 46,518,000 47,136,000 45,681,000 45,739,000 44,049,000 41,986,000 40,058,000 38,232,000 40,838,000 41,027,000 42,417,000 47,115,000 45,786,000 50,283,000 46,388,000 47,657,000 48,169,000 48,527,000 45,887,000 45,854,000 45,572,000 46,538,000 43,934,000 43,128,000 41,338,000 44,589,000 44,741,000 41,837,000 40,778,000 44,334,000 43,085,000 41,189,000 38,525,000 40,730,000 39,012,000 
      taxes and licenses
    21,839,000 23,189,000 23,100,000 22,344,000 23,007,000 23,565,000 25,494,000 25,164,000 25,999,000 25,852,000 25,408,000 25,425,000 25,289,000 25,016,000 23,791,000 23,833,000 24,699,000 24,419,000 23,744,000 23,233,000 24,911,000 24,032,000 23,953,000 22,850,000 24,737,000 24,244,000 23,643,000 22,901,000 23,711,000 18,463,000 22,651,000 22,493,000 22,673,000 21,671,000 21,638,000 20,786,000 21,194,000 21,540,000 21,826,000 20,987,000 23,187,000 22,616,000 22,763,000 21,080,000 21,905,000 21,420,000 21,311,000 20,832,000 21,928,000 21,548,000 21,586,000 21,624,000 22,252,000 22,251,000 22,967,000 22,532,000 22,545,000 23,932,000 23,414,000 23,026,000 23,804,000 23,197,000 23,560,000 
      insurance and claims
    40,969,000 38,060,000 -6,813,000 43,777,000 49,461,000 27,678,000 31,897,000 36,362,000 33,964,000 31,261,000 36,806,000 36,485,000 44,301,000 34,501,000 41,071,000 27,492,000 28,161,000 27,702,000 20,739,000 22,056,000 24,656,000 23,307,000 25,789,000 36,064,000 23,282,000 21,930,000 20,992,000 22,709,000 24,275,000 22,011,000 30,689,000 21,158,000 19,591,000 20,669,000 19,827,000 19,840,000 24,482,000 19,106,000 21,931,000 18,347,000 20,814,000 17,372,000 20,615,000 22,047,000 21,200,000 19,789,000 19,180,000 20,206,000 17,342,000 16,714,000 17,320,000 19,801,000 16,797,000 14,469,000 15,103,000 19,224,000 17,329,000 15,603,000 16,531,000 18,060,000 18,286,000 15,998,000 18,869,000 
      depreciation and amortization
    73,331,000 72,184,000 70,757,000 70,049,000 71,879,000 71,584,000 72,672,000 74,270,000 75,712,000 74,586,000 74,898,000 74,313,000 73,826,000 70,397,000 68,471,000 67,229,000 71,269,000 68,615,000                                              
      rent and purchased transportation
    225,288,000 243,115,000 228,280,000 206,142,000 218,861,000 211,667,000 210,417,000 203,925,000 224,418,000 224,556,000 217,086,000 220,224,000 207,662,000 187,449,000 197,116,000 185,237,000 182,685,000 161,061,000 150,920,000 146,493,000 140,195,000 131,843,000 120,704,000 126,442,000 135,629,000 134,797,000 146,176,000 132,836,000 153,777,000 147,870,000 151,433,000 135,922,000 132,427,000 126,087,000 124,634,000 126,425,000 133,141,000 133,876,000 127,303,000 117,976,000 119,918,000 122,006,000 124,952,000 113,748,000 125,004,000 133,893,000 128,239,000 111,646,000 117,856,000 117,651,000 115,060,000 106,318,000 103,979,000 107,495,000 108,496,000 100,510,000 100,289,000 100,081,000 98,605,000 88,497,000 84,287,000 91,795,000 91,881,000 
      communications and utilities
    3,809,000 3,967,000 3,730,000 4,357,000 4,176,000 4,186,000 4,127,000 4,706,000 4,523,000 4,555,000 4,669,000 4,733,000 4,429,000 3,720,000 3,781,000 3,926,000 3,507,000 3,598,000 3,333,000 3,022,000 3,333,000 3,797,000 3,536,000 3,808,000 3,497,000 3,892,000 3,903,000 4,011,000 4,035,000 3,993,000 3,928,000 4,107,000 3,947,000 4,199,000 3,887,000 4,072,000 3,996,000 4,206,000 3,995,000 3,909,000 3,820,000 3,786,000 3,837,000 3,678,000 3,623,000 3,689,000 3,409,000 3,499,000 3,423,000 3,754,000 3,187,000 3,142,000 3,200,000 3,382,000 3,344,000 3,819,000 3,569,000 3,846,000 3,843,000 3,923,000 3,867,000 4,013,000 3,494,000 
      other
    4,891,000 5,730,000 -5,339,000 4,920,000 899,000 4,657,000 2,840,000 4,265,000 979,000 430,000 -4,046,000 -9,806,000 -19,781,000 -14,175,000 -14,618,000 -14,065,000 -15,308,000 -9,837,000 -7,662,000 -6,618,000 1,733,000 3,053,000 5,488,000 3,147,000 -978,000 1,413,000 1,504,000 260,000 -3,938,000 -184,000 -4,366,000 818,000 5,476,000 4,075,000 4,174,000 4,563,000 3,524,000 4,566,000 1,717,000 3,020,000 3,500,000 -1,652,000 -2,142,000 -686,000 3,939,000 2,745,000 554,000 -2,367,000 -1,158,000 -396,000 -4,594,000 -2,048,000 -1,267,000 -3,116,000 -3,292,000 -2,404,000 -2,393,000 -4,377,000 -1,361,000 -3,220,000 -1,459,000 51,000 881,000 
      total operating expenses
    773,446,000 784,520,000 686,827,000 717,946,000 741,325,000 728,106,000 741,187,000 753,492,000 784,013,000 779,844,000 763,898,000 779,328,000 773,110,000 751,345,000 761,353,000 681,094,000 666,733,000 631,567,000 572,951,000 553,975,000 538,851,000 528,111,000 516,141,000 561,637,000 556,133,000 564,907,000 569,091,000 548,098,000 571,434,000 566,349,000 568,347,000 527,569,000 522,304,000 492,769,000 482,595,000 475,249,000 483,876,000 479,602,000 469,128,000 450,315,000 471,522,000 481,648,000 482,434,000 457,469,000 500,559,000 510,271,000 499,790,000 468,581,000 481,831,000 479,145,000 464,287,000 464,194,000 466,570,000 464,699,000 470,699,000 462,974,000 458,538,000 459,521,000 469,130,000 441,987,000 422,587,000 423,117,000 427,923,000 
      operating income
    -35,811,000 -13,021,000 66,321,000 -5,832,000 13,354,000 17,595,000 19,611,000 15,588,000 37,932,000 37,900,000 47,198,000 53,386,000 88,381,000 76,261,000 74,923,000 83,511,000 98,488,000 71,324,000 76,863,000 62,471,000 81,451,000 62,103,000 52,818,000 31,066,000 65,654,000 53,357,000 58,442,000 48,019,000 74,931,000 63,386,000 50,783,000 35,115,000 45,061,000 35,874,000 36,913,000 25,972,000 34,956,000 29,074,000 29,553,000 32,487,000 57,261,000 52,800,000 52,210,000 38,185,000 52,627,000 41,690,000 42,330,000 23,441,000 36,089,000 32,583,000 42,361,000 28,693,000 43,124,000 41,805,000 51,113,000 35,402,000 49,399,000 50,066,000 46,767,000 27,442,000 40,627,000 40,145,000 35,546,000 
      yoy
    -368.17% -174.00% 238.18% -137.41% -64.79% -53.58% -58.45% -70.80% -57.08% -50.30% -37.00% -36.07% -10.26% 6.92% -2.52% 33.68% 20.92% 14.85% 45.52% 101.09% 24.06% 16.39% -9.62% -35.30% -12.38% -15.82% 15.08% 36.75% 66.29% 76.69% 37.57% 35.20% 28.91% 23.39% 24.90% -20.05% -38.95% -44.94% -43.40% -14.92% 8.81% 26.65% 23.34% 62.90% 45.83% 27.95% -0.07% -18.30% -16.31% -22.06% -17.12% -18.95% -12.70% -16.50% 9.29% 29.01% 21.59% 24.71% 31.57%     
      qoq
    175.02% -119.63% -1237.19% -143.67% -24.10% -10.28% 25.81% -58.91% 0.08% -19.70% -11.59% -39.60% 15.89% 1.79% -10.28% -15.21% 38.09% -7.21% 23.04% -23.30% 31.15% 17.58% 70.02% -52.68% 23.05% -8.70% 21.71% -35.92% 18.21% 24.82% 44.62% -22.07% 25.61% -2.81% 42.13% -25.70% 20.23% -1.62% -9.03% -43.27% 8.45% 1.13% 36.73% -27.44% 26.23% -1.51% 80.58% -35.05% 10.76% -23.08% 47.64% -33.46% 3.16% -18.21% 44.38% -28.33% -1.33% 7.05% 70.42% -32.45% 1.20% 12.94%  
      operating margin %
    -4.85% -1.69% 8.81% -0.82% 1.77% 2.36% 2.58% 2.03% 4.61% 4.63% 5.82% 6.41% 10.26% 9.21% 8.96% 10.92% 12.87% 10.15% 11.83% 10.13% 13.13% 10.52% 9.28% 5.24% 10.56% 8.63% 9.31% 8.06% 11.59% 10.07% 8.20% 6.24% 7.94% 6.79% 7.11% 5.18% 6.74% 5.72% 5.93% 6.73% 10.83% 9.88% 9.77% 7.70% 9.51% 7.55% 7.81% 4.76% 6.97% 6.37% 8.36% 5.82% 8.46% 8.25% 9.80% 7.10% 9.73% 9.82% 9.07% 5.85% 8.77% 8.67% 7.67% 
      other expense:
                                                                   
      interest expense
    10,228,000 9,935,000 9,353,000 9,537,000 11,128,000 11,093,000 9,043,000 7,948,000 8,819,000 8,661,000 8,139,000 7,916,000 5,824,000 2,778,000 1,787,000 1,439,000 1,600,000 1,284,000 701,000 838,000 576,000 887,000 1,161,000 1,591,000 2,159,000 2,408,000 1,429,000 858,000 853,000 870,000 490,000 482,000 351,000 492,000 624,000 776,000 738,000 749,000 596,000 494,000 405,000 511,000 583,000 475,000 511,000 140,000 136,000 94,000 118,000 101,000 91,000 144,000 63,000 18,000 65,000 142,000 42,000 5,000 10,000 28,000 30,000 5,000 3,000 
      interest income
    -1,293,000 -1,362,000 -1,487,000 -1,492,000 -1,593,000 -1,834,000 -1,786,000 -1,685,000 -1,523,000 -1,727,000 -1,899,000 -1,552,000 -751,000 -392,000 -313,000 -275,000 -293,000 -287,000 -334,000 -297,000 -308,000 -323,000 -377,000 -626,000 -678,000 -756,000 -989,000 -903,000 -658,000 -646,000 -693,000 -740,000 -752,000 -766,000 -876,000 -914,000 -1,004,000 -1,055,000 -1,109,000 -990,000 -787,000 -760,000 -697,000 -631,000 -609,000 -614,000 -660,000 -655,000 -640,000 -589,000 -535,000 -505,000 -521,000 -461,000 -433,000 -422,000 -421,000 -337,000 -345,000 -345,000 -412,000 -432,000 -355,000 
      loss on investments in equity securities
    71,000 -38,000 33,000 2,000 -8,157,000 37,000 52,000 138,000 242,000 34,000 -79,000 81,000    9,806,000                                                
      loss (earnings) from equity method investment
    -103,000 289,000 -719,000 -123,000 -535,000 -295,000                                                          
      total other expense
    8,775,000 8,884,000 7,231,000 7,556,000 862,000 9,051,000 7,480,000 6,273,000 7,730,000 7,362,000 7,091,000 6,452,000 7,393,000 2,349,000 -22,495,000 11,043,000 -2,639,000 -15,043,000 -19,770,000 583,000 308,000 619,000 807,000 1,010,000 1,530,000 1,699,000 498,000 -161,000 399,000 265,000                          -304,000 -160,750 -280,000 -72,000 -291,000 -308,750 -511,000 -385,000 
      income before income taxes
    -44,586,000 -21,905,000 59,090,000 -13,388,000 12,492,000 8,544,000 12,131,000 9,315,000 30,202,000 30,538,000 40,107,000 46,934,000 80,988,000 73,912,000 97,418,000 72,468,000 101,127,000 86,367,000 96,633,000 61,888,000 81,143,000 61,484,000 52,011,000 30,056,000 64,124,000 51,658,000 57,944,000 48,180,000 74,532,000 63,121,000 50,908,000 35,320,000 45,427,000 36,060,000 37,013,000 26,057,000 35,179,000 29,334,000 30,009,000 32,938,000 57,704,000 53,017,000 52,189,000 38,251,000 52,756,000 42,121,000 42,899,000 23,998,000 36,654,000 33,106,000 42,887,000 29,064,000 43,665,000 42,232,000 51,563,000 35,706,000 49,988,000 50,346,000 46,839,000 27,733,000 41,047,000 40,656,000 35,931,000 
      income tax expense
    -9,270,000 -822,000 15,468,000 -3,167,000 910,000 2,004,000 2,931,000 3,067,000 6,970,000 7,034,000 10,087,000 11,400,000 19,977,000 17,987,000 23,809,000 17,433,000                                                
      net income
    -35,316,000 -21,083,000 43,622,000 -10,221,000 11,582,000 6,540,000 9,200,000 6,248,000 23,232,000 23,504,000 30,020,000 35,534,000 61,011,000 55,925,000 73,609,000 55,035,000 77,865,000 65,089,000 72,032,000 46,492,000 60,556,000 46,332,000 39,132,000 23,058,000 48,496,000 39,044,000 43,318,000 36,086,000 54,563,000 47,514,000 38,264,000 27,807,000 141,134,000 22,517,000 23,219,000 16,019,000 21,811,000 18,920,000 18,306,000 20,092,000 36,648,000 32,076,000 31,848,000 23,142,000 32,709,000 25,970,000 25,632,000 14,339,000 22,175,000 21,259,000 25,840,000 17,511,000 25,981,000 25,128,000 30,680,000 21,245,000 29,368,000 29,578,000 27,518,000 16,293,000 24,115,000 24,158,000 20,930,000 
      yoy
    -404.92% -422.37% 374.15% -263.59% -50.15% -72.17% -69.35% -82.42% -61.92% -57.97% -59.22% -35.43% -21.65% -14.08% 2.19% 18.38% 28.58% 40.48% 84.07% 101.63% 24.87% 18.67% -9.66% -36.10% -11.12% -17.83% 13.21% 29.77% -61.34% 111.01% 64.80% 73.59% 547.08% 19.01% 26.84% -20.27% -40.49% -41.02% -42.52% -13.18% 12.04% 23.51% 24.25% 61.39% 47.50% 22.16% -0.80% -18.11% -14.65% -15.40% -15.78% -17.58% -11.53% -15.04% 11.49% 30.39% 21.78% 22.44% 31.48%     
      qoq
    67.51% -148.33% -526.79% -188.25% 77.09% -28.91% 47.25% -73.11% -1.16% -21.71% -15.52% -41.76% 9.09% -24.02% 33.75% -29.32% 19.63% -9.64% 54.93% -23.22% 30.70% 18.40% 69.71% -52.45% 24.21% -9.87% 20.04% -33.86% 14.84% 24.17% 37.61% -80.30% 526.79% -3.02% 44.95% -26.56% 15.28% 3.35% -8.89% -45.18% 14.25% 0.72% 37.62% -29.25% 25.95% 1.32% 78.76% -35.34% 4.31% -17.73% 47.56% -32.60% 3.39% -18.10% 44.41% -27.66% -0.71% 7.49% 68.89% -32.44% -0.18% 15.42%  
      net income margin %
    -4.79% -2.73% 5.79% -1.44% 1.53% 0.88% 1.21% 0.81% 2.83% 2.87% 3.70% 4.27% 7.08% 6.76% 8.80% 7.20% 10.18% 9.26% 11.09% 7.54% 9.76% 7.85% 6.88% 3.89% 7.80% 6.32% 6.90% 6.05% 8.44% 7.55% 6.18% 4.94% 24.88% 4.26% 4.47% 3.20% 4.20% 3.72% 3.67% 4.16% 6.93% 6.00% 5.96% 4.67% 5.91% 4.71% 4.73% 2.91% 4.28% 4.15% 5.10% 3.55% 5.10% 4.96% 5.88% 4.26% 5.78% 5.80% 5.33% 3.47% 5.21% 5.21% 4.52% 
      net loss attributable to noncontrolling interest
    7,528,000 508,000 440,000 123,000 309,000 25,000 265,000 64,000 341,000 200,000                                                      
      net income attributable to werner
    -27,788,000 -20,575,000 44,062,000 -10,098,000 11,891,000 6,565,000 9,465,000 6,312,000 23,573,000 23,704,000 29,881,000 35,224,000 60,166,000 55,051,000 72,290,000 53,749,000 76,767,000 63,761,000                                              
      earnings per share:
                                                                   
      basic
    -0.46 -0.34 0.72 -0.16 0.19 0.11 0.15 0.1 0.37 0.37 0.47 0.56 0.95 0.87 1.12 0.82 1.15 0.94 1.06 0.68 0.88 0.67 0.57 0.33 0.7 0.56 0.62 0.51 0.77 0.67 0.53 0.38 1.96 0.31 0.32 0.22 0.3 0.26 0.25 0.28 0.51 0.45 0.44 0.32 0.46 0.36 0.36 0.2 0.3 0.29 0.35 0.24 0.35 0.34 0.42 0.29 0.4 0.41 0.38 0.22 0.34 0.33 0.29 
      diluted
    -0.46 -0.34 0.72 -0.16 0.19 0.11 0.15 0.1 0.37 0.37 0.47 0.55 0.95 0.86 1.12 0.82 1.14 0.94 1.06 0.68 0.88 0.67 0.56 0.33 0.69 0.56 0.62 0.51 0.76 0.66 0.53 0.38 1.95 0.31 0.32 0.22 0.3 0.26 0.25 0.28 0.51 0.44 0.44 0.32 0.45 0.36 0.35 0.2 0.3 0.29 0.35 0.24 0.35 0.34 0.42 0.29 0.4 0.4 0.38 0.22 0.33 0.33 0.29 
      weighted-average common shares outstanding:
                                                                   
      basic
    60,607 59,830 60,888 61,890 62,450 61,808 62,706 63,472 63,374 63,390 63,384 63,306 64,125 63,386 64,394 65,543 67,434 67,475 67,926 67,932 69,018 69,097 69,093 69,253 69,567 69,198 69,593 70,274 71,694 71,436 72,144 72,435 72,270 72,298 72,227 72,191 72,057 72,058 72,048 72,025 71,957 71,890 71,945 72,067 72,122 71,837 72,091 72,676 72,866 72,621 73,022 73,260 72,909 72,879 72,859 72,854 72,787 72,811 72,794 72,704 72,369 72,549 72,280 
      diluted
    60,607 59,830 61,001 61,890 62,662 62,022 62,860 63,727 63,718 63,737 63,687 63,695 64,579 63,782 64,726 65,878 67,855 67,834 68,216 68,223 69,427 69,449 69,435 69,609 70,026 69,600 69,893 70,572 72,057 71,752 72,376 72,671 72,558 72,601 72,492 72,447 72,393 72,406 72,366 72,353 72,556 72,478 72,424 72,542 72,738 72,364 72,597 73,169 73,428 73,216 73,598 73,782 73,453 73,445 73,412 73,390 73,225 73,231 73,239 73,138 72,807 72,922 72,767 
      loss from equity method investment
          141,000 133,000 92,000 110,000 844,000                                                     
      net income attributable to noncontrolling interest
              -139,000 -310,000 -845,000 -874,000 -1,319,000 -1,286,000 -1,098,000 -1,328,000                                              
      gain on investments in equity securities
                2,208,000 -114,000 -24,095,000  -4,036,000 -16,090,000                                              
      income taxes
                    15,318,750 21,278,000 24,601,000 15,396,000 8,757,250 15,152,000 12,879,000 6,998,000 9,833,500 12,614,000 14,626,000 12,094,000 8,941,000 15,607,000 12,644,000 7,513,000 9,343,750 13,543,000 13,794,000 10,038,000 13,368,000 10,414,000 11,703,000 12,846,000 21,056,000 20,941,000 20,341,000 15,109,000 20,047,000 16,151,000 17,267,000 9,659,000 14,479,000 11,847,000 17,047,000 11,553,000 17,684,000 17,104,000 20,883,000 14,461,000 20,620,000 20,768,000 19,321,000 11,440,000 16,932,000 16,498,000 15,001,000 
      depreciation
                      63,865,000 63,951,000 63,799,000 62,980,000 67,670,000 68,837,000 64,711,000 62,620,000 61,437,000 60,759,000 59,712,000 58,382,000 56,551,000 55,506,000 55,020,000 53,578,000 53,705,000 55,336,000 56,879,000 51,781,000 50,904,000 50,164,000 50,144,000 49,081,000 48,264,000 45,720,000 45,106,000 44,182,000 44,573,000 43,123,000 45,709,000 42,612,000 42,367,000 42,331,000 42,879,000 41,901,000 41,506,000 40,671,000 39,473,000 40,197,000 39,246,000 39,718,000 39,394,000 37,092,000 37,471,000 
      gain on equity investment
                      -20,191,000                                             
      dividends declared per share
                                0.063 0.09 0.09 0.07 0.05 0.07 0.07 0.06 0.045 0.06 0.06 0.06 0.04 0.06 0.05 0.05 0.038 0.05 0.05 0.05 0.038 0.05 0.05 0.05 0.038 0.05 0.05 0.05 0.038 0.05 0.05 0.05 0.038 0.05 0.05 
      total other income
                                  -125,000 -205,000 -366,000 -186,000 -100,000 -85,000 -223,000 -260,000 -456,000 -451,000 -443,000 -217,000 21,000 -66,000 -129,000 -431,000 -569,000 -557,000 -565,000 -523,000 -526,000 -371,000 -541,000 -427,000 -450,000         
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 
                                                                     
        assets
                                                                     
        current assets:
                                                                     
        cash and cash equivalents
      59,922,000 50,984,000 51,420,000 51,951,000 40,752,000 54,660,000 70,448,000 60,337,000 61,723,000 42,754,000 46,502,000 129,591,000 107,240,000 125,683,000 54,424,000 125,949,000 54,196,000 45,428,000 192,128,000 83,130,000 29,334,000 40,476,000 65,389,000 72,237,000 26,418,000 14,354,000 46,420,000 64,742,000 33,930,000 9,650,000 9,924,000 38,789,000 13,626,000 10,733,000 22,610,000 30,804,000 16,962,000 13,736,000 15,237,000 20,410,000 31,833,000 45,921,000 47,491,000 59,263,000 22,604,000 47,598,000 27,714,000 56,468,000 23,678,000 17,350,000 24,248,000 19,529,000 15,428,000 18,037,000 18,184,000 12,072,000 12,412,000 56,885,000 23,483,000 47,599,000 13,966,000 94,848,000 79,193,000 
        accounts receivable, trade, less allowance of 7,646 and 7,169, respectively
      394,933,000                                                               
        other receivables
      20,398,000 22,621,000 22,585,000 24,683,000 26,137,000 25,199,000 28,092,000 25,031,000 25,479,000 26,417,000 33,312,000 29,400,000 29,875,000 24,480,000 165,205,000 25,907,000 24,449,000 26,524,000 25,120,000 44,363,000 23,491,000 28,937,000 24,060,000 22,575,000 52,221,000 44,247,000 23,635,000 22,851,000 26,545,000 27,559,000 19,784,000 17,076,000 26,491,000 27,028,000 15,654,000 15,604,000 15,168,000 13,536,000 20,947,000 17,769,000 17,241,000 20,463,000 21,283,000 22,179,000 20,316,000 22,244,000 20,888,000 11,680,000 10,769,000 12,677,000 10,453,000 9,621,000 8,004,000 9,957,000 9,693,000 9,374,000 9,213,000 7,679,000 10,585,000 10,130,000 10,431,000 9,302,000 10,033,000 
        inventories and supplies
      12,104,000 11,546,000 13,228,000 12,984,000 14,183,000 15,442,000 16,286,000 17,173,000 18,077,000 17,251,000 16,026,000 14,926,000 14,527,000 12,849,000 12,568,000 12,105,000 11,140,000 11,787,000 11,899,000 11,919,000 12,062,000 9,354,000 8,713,000 8,151,000 9,243,000 9,750,000 10,282,000 9,674,000 10,060,000 11,805,000 11,596,000 10,620,000 11,694,000 11,624,000 11,589,000 12,314,000 12,768,000 14,446,000 14,823,000 15,670,000 16,415,000 16,355,000 16,756,000 17,490,000 17,824,000 15,167,000 15,088,000 14,519,000 15,743,000 17,745,000 20,249,000 22,528,000 23,260,000 25,172,000 26,070,000 27,983,000 30,212,000 28,399,000 24,973,000 21,201,000 16,868,000 12,828,000 12,847,000 
        prepaid expenses
      57,184,000 47,964,000 34,282,000 47,632,000 53,690,000                                                           
        assets held for sale
      32,643,000                                                               
        other current assets
      35,665,000 34,158,000 17,429,000 14,371,000 15,327,000 60,424,000 44,959,000 64,509,000 67,900,000 100,669,000 67,164,000 60,904,000 74,459,000 65,845,000 49,399,000 51,075,000 63,361,000 51,566,000 38,312,000 32,719,000 33,694,000 40,129,000 26,142,000 33,023,000 38,849,000 37,137,000 33,717,000 31,894,000 31,577,000 38,595,000 31,831,000 30,824,000 27,083,000 38,898,000 30,979,000 37,261,000 29,987,000 63,568,000 27,532,000 27,504,000 27,281,000 28,936,000 26,827,000 25,250,000 26,458,000 31,522,000 32,248,000 34,850,000 27,445,000 34,667,000 36,225,000 21,229,000 21,330,000 23,768,000 15,907,000 18,878,000 29,883,000 27,319,000 26,204,000 21,842,000 23,407,000 25,876,000 21,692,000 
        total current assets
      612,849,000 604,795,000 559,482,000 538,696,000 541,773,000 546,966,000 577,666,000 597,316,000 634,628,000 644,808,000 609,335,000 709,776,000 762,615,000 730,506,000 772,405,000 678,354,000 631,213,000 569,791,000 666,511,000 532,909,000 456,916,000 464,121,000 431,587,000 459,643,000 466,334,000 436,325,000 453,301,000 455,454,000 456,658,000 419,847,000 413,967,000 411,267,000 400,229,000 381,472,000 347,067,000 369,817,000 373,128,000 377,857,000 348,588,000 343,778,000 407,539,000 400,833,000 416,072,000 425,594,000 426,344,000 414,108,000 390,526,000 398,680,000 349,661,000 348,782,000 347,866,000 327,874,000 319,187,000 328,680,000 323,427,000 318,193,000 341,331,000 366,742,000 334,877,000 350,888,000 297,699,000 390,178,000 348,085,000 
        property and equipment, at cost:
                                                                     
        land
      128,663,000    128,678,000    115,989,000    100,594,000    77,172,000    72,103,000    63,244,000    59,103,000    56,300,000    56,261,000    34,356,000    32,213,000    31,445,000    31,620,000    30,242,000    30,092,000   
        buildings and improvements
      363,778,000    338,174,000    320,976,000    309,241,000    287,331,000    253,708,000    199,734,000    188,174,000    171,619,000    148,443,000    134,595,000    130,618,000    132,023,000    132,201,000    130,230,000    128,908,000   
        revenue equipment
      2,156,811,000    2,235,126,000    2,290,376,000    2,169,172,000    1,910,874,000    1,798,511,000    1,812,186,000    1,750,290,000    1,630,344,000    1,676,070,000    1,530,617,000    1,413,178,000    1,364,064,000    1,335,897,000    1,284,060,000    1,220,527,000   
        service equipment and other
      252,732,000    239,517,000    224,313,000    306,634,000    282,448,000    281,013,000    268,372,000    250,010,000    256,074,000    229,217,000    209,032,000    210,220,000    200,205,000    190,772,000    180,476,000    170,110,000   
        total property and equipment
      2,901,984,000    2,941,495,000    2,951,654,000    2,885,641,000    2,557,825,000    2,405,335,000    2,343,536,000    2,247,577,000    2,114,337,000    2,109,991,000    1,908,600,000    1,786,229,000    1,727,737,000    1,690,490,000    1,625,008,000    1,549,637,000   
        less – accumulated depreciation
      1,111,480,000 1,110,324,000 1,065,906,000 1,026,277,000 1,007,259,000 1,001,471,000 992,128,000 982,759,000 978,698,000 965,540,000 1,031,850,000 1,020,469,000 1,060,365,000 1,061,578,000 1,032,948,000 991,296,000 944,582,000 908,852,000 893,453,000 873,449,000 862,077,000 857,106,000 868,379,000 846,871,000 817,260,000 808,906,000 787,214,000 776,863,000 760,015,000 781,262,000 773,280,000 776,125,000 767,474,000 758,331,000 746,822,000 744,181,000 747,353,000 728,503,000 743,768,000 750,068,000 754,130,000 761,200,000 766,340,000 770,417,000 772,447,000 771,188,000 762,991,000 758,892,000 750,219,000 736,984,000 721,800,000 715,878,000 696,647,000 691,418,000 686,737,000 689,686,000 682,872,000 693,694,000 701,289,000 710,609,000 708,582,000 731,055,000 713,193,000 
        property and equipment
      1,790,504,000 1,858,239,000 1,878,106,000 1,866,848,000 1,934,236,000 2,020,825,000 1,960,167,000 1,931,282,000 1,972,956,000 2,952,430,000 2,976,274,000 2,875,063,000 1,825,276,000 2,780,691,000 2,703,628,000 2,600,896,000 1,613,243,000 2,515,378,000 2,428,268,000 2,410,791,000 1,543,258,000 2,384,537,000 2,368,543,000 2,325,615,000 1,526,276,000 2,384,254,000 2,312,594,000 2,290,802,000 1,487,562,000 2,249,911,000 2,187,896,000 2,126,307,000 1,346,863,000 2,078,229,000 2,077,051,000 2,067,555,000 1,362,638,000 2,011,888,000 2,057,986,000 1,951,258,000 1,154,470,000 1,885,532,000 1,850,826,000 1,820,703,000 1,013,782,000 1,764,972,000 1,724,963,000 1,705,581,000 977,518,000 1,712,627,000 1,671,280,000 1,688,715,000 993,843,000 1,689,927,000 1,666,943,000 1,673,961,000 942,136,000 1,581,120,000 1,577,067,000 1,538,017,000 841,055,000 1,577,453,000 1,563,148,000 
        goodwill
      129,104,000 129,104,000 129,104,000 129,104,000 129,104,000 129,104,000 129,104,000 129,104,000 129,104,000 129,104,000 129,104,000 129,104,000 132,717,000 74,404,000 74,404,000 74,404,000 74,618,000 44,710,000                                              
        intangible assets
      44,603,000 68,854,000 71,372,000 73,889,000 76,407,000 78,924,000 81,442,000 83,959,000 86,477,000 88,994,000 91,512,000 94,030,000 81,502,000 51,238,000 52,597,000 53,956,000 55,315,000 50,974,000                                              
        other non-current assets
      311,614,000 310,111,000 308,311,000 378,112,000 370,717,000 345,898,000 345,191,000 337,169,000 334,771,000 344,666,000 330,818,000 328,812,000 295,145,000 283,868,000 278,501,000 232,712,000 229,324,000 207,140,000 181,541,000 159,275,000 156,502,000 148,584,000 147,962,000 150,511,000 151,254,000 151,866,000 149,936,000 149,439,000 139,284,000 144,640,000 142,671,000 60,596,000 60,899,000 61,571,000 54,159,000 52,477,000 57,237,000 65,137,000 64,061,000 64,597,000 51,675,000 46,807,000 42,857,000 42,644,000 40,336,000 41,489,000 38,372,000 27,240,000 26,918,000 26,668,000 23,102,000 22,263,000 21,870,000 19,143,000 21,927,000 21,955,000 18,949,000 15,108,000 12,480,000 12,151,000 12,798,000 11,737,000 11,932,000 
        total assets
      2,888,674,000 2,971,103,000 2,946,375,000 2,986,649,000 3,052,237,000 3,121,717,000 3,093,570,000 3,078,830,000 3,157,936,000 3,194,462,000 3,105,193,000 3,116,316,000 3,097,255,000 2,859,129,000 2,848,587,000 2,649,026,000 2,603,713,000 2,479,141,000 2,382,867,000 2,229,526,000 2,156,676,000 2,140,136,000 2,079,713,000 2,088,898,000 2,143,864,000 2,163,539,000 2,128,617,000 2,118,832,000 2,083,504,000 2,033,136,000 1,971,254,000 1,822,045,000 1,807,991,000 1,762,941,000 1,731,455,000 1,745,668,000 1,793,003,000 1,726,379,000 1,726,867,000 1,609,565,000 1,613,684,000 1,571,972,000 1,543,415,000 1,518,524,000 1,480,462,000 1,449,381,000 1,390,870,000 1,372,609,000 1,354,097,000 1,351,093,000 1,320,448,000 1,322,974,000 1,334,900,000 1,346,332,000 1,325,560,000 1,324,423,000 1,302,416,000 1,269,276,000 1,223,135,000 1,190,447,000 1,151,552,000 1,248,313,000 1,209,972,000 
        liabilities, temporary equity and stockholders’ equity
                                                                     
        current liabilities:
                                                                     
        accounts payable
      95,084,000 147,307,000 129,181,000 113,360,000 112,429,000 164,410,000 142,161,000 136,242,000 135,990,000 129,008,000 119,744,000 128,955,000 124,483,000 115,860,000 126,178,000 113,657,000 93,987,000 92,425,000 94,367,000 113,064,000 83,263,000 104,041,000 84,263,000 87,698,000 94,634,000 89,348,000 92,713,000 99,725,000 97,781,000 90,013,000 91,916,000 83,295,000 73,802,000 72,343,000 70,717,000 63,546,000 66,618,000 72,735,000 85,547,000 78,069,000 70,643,000 83,436,000 87,981,000 72,565,000 64,827,000 89,073,000 84,902,000 70,187,000 66,678,000 75,077,000 69,339,000 62,724,000 56,397,000 74,216,000 77,153,000 87,914,000 93,486,000 67,831,000 66,046,000 64,519,000 57,708,000 59,185,000 53,922,000 
        current portion of long-term debt
          20,000,000  10,000,000 1,250,000 2,500,000 3,750,000 3,750,000 5,000,000 6,250,000 5,000,000 5,000,000 5,000,000 5,000,000 6,250,000 5,000,000  25,000,000   75,000,000 75,000,000 75,000,000  75,000,000 75,000,000 75,000,000      25,000,000 20,000,000                20,000,000           
        insurance and claims accruals
      99,827,000 106,987,000 103,189,000 101,911,000 93,710,000 81,155,000 85,224,000 81,537,000 81,794,000 73,206,000 81,932,000 80,738,000 78,620,000 77,663,000 221,219,000 66,818,000 72,594,000 70,073,000 65,321,000 91,097,000 76,917,000 81,024,000 80,857,000 72,987,000 69,810,000 91,305,000 70,483,000 69,561,000 67,304,000 65,021,000 64,978,000 73,674,000 79,674,000 84,436,000 75,001,000 74,483,000 83,404,000 71,056,000 72,992,000 65,387,000 64,106,000 61,298,000 62,067,000 73,625,000 73,814,000 65,070,000 62,301,000 64,764,000 59,811,000 59,274,000 57,543,000 61,155,000 57,679,000 56,798,000 55,274,000 59,512,000 62,681,000 64,702,000 65,609,000 73,443,000 71,857,000 63,370,000 61,381,000 
        accrued payroll
      51,442,000 54,020,000 53,277,000 49,086,000 54,560,000 54,833,000 52,453,000 48,318,000 50,549,000 48,851,000 47,375,000 43,541,000 49,793,000 47,619,000 57,624,000 50,367,000 44,333,000 43,397,000 48,420,000 41,912,000 35,594,000 42,885,000 42,199,000 37,650,000 38,347,000 38,501,000 37,432,000 33,728,000 40,271,000 37,787,000 35,995,000 30,733,000 32,520,000 31,029,000 30,885,000 27,034,000 26,189,000 29,608,000 28,447,000 25,292,000 25,233,000 37,057,000 32,286,000 31,827,000 28,121,000 32,256,000 27,250,000 25,385,000 22,785,000 28,163,000 24,023,000 23,556,000 21,134,000 26,512,000 23,328,000 22,676,000 19,483,000 24,597,000 21,084,000 20,349,000 18,838,000 23,288,000 28,187,000 
        accrued expenses
      16,199,000 18,893,000 17,954,000 13,887,000 18,745,000 22,227,000 22,506,000 22,202,000 30,282,000 27,719,000 18,831,000 20,057,000 20,358,000 31,553,000 30,274,000 30,061,000 28,758,000 27,574,000 25,972,000 25,350,000 25,032,000                                           
        other current liabilities
      52,232,000 46,502,000 30,732,000 45,377,000 56,305,000 35,084,000 30,115,000 24,503,000 29,470,000 32,471,000 31,967,000 25,038,000 30,016,000 24,939,000 24,653,000 24,368,000 24,011,000 21,509,000 20,107,000 17,112,000 28,208,000 28,258,000 26,598,000 31,336,000 31,049,000 28,865,000 27,942,000 26,448,000 30,004,000 26,757,000 21,631,000 24,095,000 24,642,000 22,938,000 22,309,000 17,000,000 18,650,000 18,249,000 18,006,000 21,892,000 23,720,000 28,095,000 21,445,000 20,233,000 19,768,000 20,388,000 20,292,000 30,162,000 18,457,000 18,873,000 18,394,000 18,849,000 20,983,000 19,902,000 23,017,000 24,286,000 16,504,000 19,119,000 17,203,000 19,346,000 20,037,000 16,635,000 20,688,000 
        total current liabilities
      314,784,000 373,709,000 334,333,000 323,621,000 355,749,000 357,709,000 342,459,000 314,052,000 330,585,000 329,664,000 315,129,000 303,329,000 309,520,000 302,634,000 470,980,000 290,271,000 268,683,000 261,228,000 259,187,000 307,761,000 274,014,000 256,208,000 249,623,000 304,671,000 308,840,000 331,921,000 228,570,000 322,599,000 310,360,000 297,877,000 228,217,000 211,797,000 232,177,000 214,284,000 198,912,000 207,063,000 214,861,000 194,313,000 211,933,000 190,640,000 183,702,000 209,886,000 203,779,000 198,250,000 186,530,000 206,787,000 194,745,000 190,498,000 167,731,000 181,387,000 169,299,000 180,775,000 176,193,000 177,428,000 178,772,000 201,795,000 198,825,000 176,249,000 169,942,000 177,657,000 168,440,000 162,478,000 164,178,000 
        long-term debt
      752,000,000 725,000,000 725,000,000 640,000,000 630,000,000 690,000,000 660,000,000 596,250,000 646,250,000 686,250,000 636,250,000 686,250,000 687,500,000 568,750,000 440,000,000 421,250,000 422,500,000 343,750,000 295,000,000 175,000,000 175,000,000 175,000,000 175,000,000 175,000,000 225,000,000 275,000,000 390,000,000 50,000,000 50,000,000 50,000,000 95,000,000 75,000,000 75,000,000 75,000,000 75,000,000 105,000,000 160,000,000 150,000,000 145,000,000 75,000,000 75,000,000 75,000,000 75,000,000 75,000,000 75,000,000 75,000,000 40,000,000 40,000,000 40,000,000 50,000,000 40,000,000 40,000,000 70,000,000           
        other long-term liabilities
      52,550,000 50,722,000 54,486,000 54,582,000 66,173,000 66,867,000 62,355,000 53,371,000 54,275,000 52,579,000 55,802,000 58,567,000 59,677,000 42,765,000 43,782,000 47,757,000 43,314,000 43,656,000 42,568,000 41,485,000 43,114,000 48,362,000 39,338,000 28,186,000 21,129,000 20,511,000 17,424,000 17,129,000 10,911,000 11,646,000 11,945,000 12,045,000 12,575,000 14,321,000 15,321,000 16,064,000 16,711,000 18,275,000 21,061,000 20,823,000 19,832,000 21,073,000 17,940,000 21,399,000 20,021,000 19,667,000 19,085,000 14,948,000 14,710,000 13,963,000 16,799,000 16,341,000 15,779,000 15,306,000 15,074,000 14,901,000 14,194,000 10,707,000 10,907,000 10,694,000 10,380,000 9,551,000 9,085,000 
        insurance and claims accruals, net of current portion
      112,126,000 112,956,000 114,716,000 237,039,000 236,923,000 228,192,000 227,115,000 235,685,000 239,700,000 238,080,000 239,897,000 245,900,000 244,946,000 238,689,000 242,094,000 241,690,000 237,220,000 234,000,000 236,270,000 235,850,000 231,638,000 234,797,000 234,819,000 234,191,000 228,218,000 229,870,000 225,997,000 219,970,000 214,030,000 208,560,000 202,039,000 108,560,000 108,270,000 107,230,000 110,610,000 110,960,000 113,875,000 114,125,000 116,725,000 120,945,000 125,195,000 129,895,000 130,545,000 128,845,000 123,445,000 130,825,000 132,250,000 130,700,000 131,900,000 128,200,000 127,400,000 127,950,000 125,500,000 121,200,000 120,950,000 122,750,000 121,250,000 120,250,000 117,750,000 115,250,000 113,250,000 117,750,000 116,500,000 
        deferred income taxes
      266,209,000 277,488,000 260,051,000 257,353,000 269,516,000 292,139,000 308,136,000 322,925,000 320,180,000 336,726,000 321,897,000 312,724,000 313,278,000 281,057,000 269,307,000 269,361,000 268,499,000 253,335,000 253,259,000 241,700,000 237,870,000 245,632,000 244,545,000 244,814,000 249,669,000 241,433,000 234,282,000 233,745,000 233,450,000 221,552,000 212,492,000 201,539,000 195,187,000 301,199,000 300,082,000 296,197,000 292,769,000 271,206,000 269,012,000 252,187,000 274,301,000 232,878,000 237,911,000 240,265,000 241,606,000 212,632,000 217,779,000 221,440,000 227,237,000 224,865,000 228,069,000 226,833,000 232,531,000 236,232,000 237,978,000 239,736,000 243,000,000 226,764,000 214,302,000 201,841,000 190,507,000 195,280,000 183,295,000 
        total liabilities
      1,497,669,000 1,539,875,000 1,488,586,000 1,512,595,000 1,558,361,000 1,634,907,000 1,600,065,000 1,522,283,000 1,590,990,000 1,643,299,000 1,568,975,000 1,606,770,000 1,614,921,000 1,433,895,000 1,466,163,000 1,270,329,000 1,240,216,000 1,135,969,000                                              
        commitments and contingencies
                                                                     
        temporary equity - redeemable noncontrolling interest
      28,113,000 35,641,000 36,865,000 37,821,000 37,944,000 38,253,000 38,278,000 38,543,000 38,607,000 38,948,000 39,148,000 39,009,000 38,699,000 38,676,000 38,552,000 37,233,000 35,947,000 36,615,000                                              
        stockholders’ equity:
                                                                     
        common stock, 0.01 par value...
      805,000 805,000 805,000 805,000 805,000 805,000 805,000 805,000  805,000                                              805,000 805,000 805,000 805,000 805,000 805,000 805,000 805,000 
        paid-in capital
      144,641,000 142,716,000 139,928,000 137,867,000 137,889,000 137,219,000 134,769,000 132,722,000 134,894,000 133,038,000 130,694,000 128,050,000 129,837,000 127,046,000 124,065,000 121,157,000 121,904,000 119,776,000 117,069,000 114,588,000 116,039,000 114,074,000 111,634,000 110,695,000 112,649,000 112,064,000 110,102,000 107,928,000 107,455,000 106,904,000 104,799,000 102,904,000 102,563,000 103,296,000 102,553,000 101,587,000 101,035,000 103,648,000 102,489,000 101,217,000 102,734,000 104,619,000 104,909,000 102,967,000 101,803,000 102,792,000 101,419,000 99,973,000 98,534,000 100,164,000 99,681,000 98,403,000 97,457,000 97,404,000 96,628,000 95,524,000 94,396,000 93,680,000 93,029,000 92,516,000 91,872,000 91,359,000 91,581,000 
        retained earnings
      1,904,572,000 1,940,742,000 1,969,693,000 1,934,007,000 1,952,775,000 1,949,543,000 1,951,631,000 1,950,819,000 1,953,385,000 1,938,694,000 1,923,865,000 1,902,858,000 1,875,873,000 1,823,927,000 1,777,092,000 1,713,046,000 1,667,104,000 1,598,232,000 1,542,497,000 1,478,616,000 1,438,916,000 1,384,474,000 1,344,361,000 1,311,448,000 1,294,608,000 1,252,344,000 1,219,529,000 1,443,542,000 1,413,746,000 1,365,523,000 1,324,416,000 1,292,618,000 1,267,871,000 1,131,805,000 1,114,351,000 1,096,190,000 1,084,796,000 1,067,315,000 1,052,718,000 1,038,736,000 1,022,966,000 990,638,000 962,876,000 934,622,000 915,085,000 885,978,000 863,596,000 841,561,000 830,842,000 812,302,000 794,669,000 772,464,000 758,617,000 846,116,000 824,633,000 797,596,000 779,994,000 790,685,000 764,748,000 740,870,000 728,216,000 823,961,000 803,435,000 
        accumulated other comprehensive loss
      -16,075,000 -16,943,000 -17,769,000 -19,933,000 -18,437,000 -21,437,000 -14,405,000 -9,066,000 -9,684,000 -8,650,000 -6,623,000 -9,264,000 -11,292,000 -13,435,000 -14,584,000 -15,820,000 -20,604,000 -21,592,000 -20,873,000 -23,098,000 -22,833,000 -28,729,000 -29,912,000 -30,218,000 -14,728,000 -17,645,000 -15,140,000 -15,560,000 -16,073,000 -13,659,000 -15,675,000 -13,232,000 -15,835,000 -13,378,000 -12,851,000 -14,256,000 -16,917,000 -16,589,000 -15,954,000 -13,742,000 -13,063,000 -13,321,000 -10,672,000 -10,298,000 -9,375,000 -5,947,000 -4,531,000 -4,621,000 -4,631,000 -4,291,000 -4,340,000 -3,193,000 -4,156,000 -3,902,000 -4,804,000 -3,985,000 -5,170,000   -2,872,000 -3,420,000   
        treasury stock
      -671,051,000 -671,733,000 -671,733,000 -616,513,000 -617,100,000 -617,573,000 -617,573,000 -557,276,000 -551,061,000 -551,672,000 -551,671,000 -551,912,000 -551,588,000 -551,785,000 -543,506,000 -477,724,000 -441,659,000 -390,664,000 -342,915,000 -343,181,000 -337,887,000 -290,487,000 -290,500,000 -290,694,000 -282,326,000 -282,764,000 -282,952,000 -261,326,000 -241,180,000 -216,072,000 -192,784,000 -169,991,000 -170,622,000 -171,621,000 -173,328,000 -173,942,000 -174,932,000 -176,719,000 -176,922,000 -177,046,000 -177,788,000 -179,501,000 -179,678,000 -173,331,000 -174,458,000 -179,158,000 -174,278,000 -162,695,000 -153,031,000 -156,302,000 -151,934,000 -137,404,000 -137,826,000 -144,257,000 -144,476,000 -144,699,000 -144,878,000 -145,204,000 -145,652,000 -146,314,000 -148,498,000 -148,800,000 -153,778,000 
        total stockholders’ equity
      1,362,892,000 1,395,587,000 1,420,924,000 1,436,233,000 1,455,932,000 1,448,557,000 1,455,227,000 1,518,004,000 1,528,339,000 1,512,215,000 1,497,070,000 1,470,537,000 1,443,635,000 1,386,558,000 1,343,872,000 1,341,464,000 1,327,550,000 1,306,557,000 1,296,583,000 1,227,730,000 1,195,040,000 1,180,137,000 1,136,388,000 1,102,036,000 1,111,008,000 1,064,804,000 1,032,344,000 1,275,389,000 1,264,753,000 1,243,501,000 1,221,561,000 1,213,104,000 1,184,782,000 1,050,907,000 1,031,530,000 1,010,384,000 994,787,000 978,460,000 963,136,000 949,970,000 935,654,000 903,240,000 878,240,000 854,765,000 833,860,000 804,470,000 787,011,000 775,023,000 772,519,000 752,678,000 738,881,000 731,075,000 714,897,000 796,166,000 772,786,000 745,241,000 725,147,000 735,306,000 710,234,000 685,005,000 668,975,000 763,254,000 736,914,000 
        total liabilities, temporary equity and stockholders’ equity
      2,888,674,000 2,971,103,000 2,946,375,000 2,986,649,000 3,052,237,000 3,121,717,000 3,093,570,000 3,078,830,000 3,157,936,000 3,194,462,000 3,105,193,000 3,116,316,000 3,097,255,000 2,859,129,000 2,848,587,000 2,649,026,000 2,603,713,000 2,479,141,000                                              
        accounts receivable, trade, less allowance of 7,522 and 7,169, respectively
       437,522,000                                                              
        property and equipment, at cost
       2,968,563,000 2,944,012,000 2,893,125,000  3,022,296,000 2,952,295,000 2,914,041,000                                                        
        accounts receivable, trade, less allowance of 7,542 and 7,169, respectively
        420,538,000                                                             
        accounts receivable, trade, less allowance of 7,502 and 7,169, respectively
         387,075,000                                                            
        accounts receivable, trade, less allowance of 7,169 and 9,337, respectively
          391,684,000                                                           
        accounts receivable, trade, less allowance of 7,496 and 9,337, respectively
           384,023,000                                                          
        prepaid taxes, licenses and permits
           7,218,000 7,895,000 12,803,000 16,505,000 7,931,000 8,687,000 13,956,000 17,699,000 8,510,000 8,803,000 13,716,000 17,549,000 8,140,000 7,970,000 12,876,000 17,231,000 7,328,000 7,900,000 12,757,000 16,757,000 7,462,000 8,008,000 12,769,000 16,619,000 7,327,000 7,698,000 11,991,000 15,972,000 6,935,000 7,365,000 11,499,000 15,374,000 6,949,000 7,620,000 11,953,000 15,657,000 6,974,000 7,374,000 11,325,000 14,914,000 6,503,000 6,894,000 11,017,000 15,064,000 6,597,000 7,039,000 11,088,000 14,893,000 6,568,000 7,037,000 11,171,000  3,718,000 7,298,000 11,095,000  6,412,000 6,989,000 
        accounts receivable, trade, less allowance of 8,022 and 9,337, respectively
            409,986,000                                                         
        accounts receivable, trade, less allowance of 9,101 and 9,337, respectively
             417,463,000                                                        
        accounts receivable, trade, less allowance of 9,337 and 10,271, respectively
              444,944,000                                                       
        issued; 63,444,681 and 63,223,003 shares outstanding, respectively
              805,000                                                       
        accounts receivable, trade, less allowance of 10,636 and 10,271, respectively
               449,786,000                                                      
        checks issued in excess of cash balances
               14,659,000 11,530,000    6,032,000           8,902,000    3,299,000 13,697,000  21,539,000 3,538,000    2,665,000 6,941,000                 7,407,000 6,671,000       
        accounts receivable, trade, less allowance of 10,360 and 10,271, respectively
                437,644,000                                                     
        issued; 63,389,496 and 63,223,003 shares outstanding, respectively
                805,000                                                     
        accounts receivable, trade, less allowance of 10,240 and 10,271, respectively
                 460,999,000                                                    
        issued; 63,376,934 and 63,223,003 shares outstanding, respectively
                 805,000                                                    
        accounts receivable, trade, less allowance of 10,271 and 9,169, respectively
                  518,815,000                                                   
        issued; 63,223,003 and 65,790,112 shares outstanding, respectively
                  805,000                                                   
        accounts receivable, trade, less allowance of 10,142 and 9,169, respectively
                   493,139,000                                                  
        issued; 63,202,053 and 65,790,112 shares outstanding, respectively
                   805,000                                                  
        accounts receivable, trade, less allowance of 9,976 and 9,169, respectively
                    482,006,000                                                 
        issued; 63,415,565 and 65,790,112 shares outstanding, respectively
                    805,000                                                 
        accounts receivable, trade, less allowance of 9,539 and 9,169, respectively
                     449,602,000                                                
        issued; 65,057,763 and 65,790,112 shares outstanding, respectively
                     805,000                                                
        accounts receivable, trade, less allowance of 9,169 and 8,686, respectively
                      460,518,000                                               
        issued; 65,790,112 and 67,931,726 shares outstanding, respectively
                      805,000                                               
        accounts receivable, trade, less allowance of 9,233 and 8,686, respectively
                       426,346,000                                              
        issued; 66,884,251 and 67,931,726 shares outstanding, respectively
                       805,000                                              
        accounts receivable, trade, less allowance of 8,988 and 8,686, respectively
                        391,082,000                                             
        liabilities and stockholders’ equity
                                                                     
        issued; 67,931,873 and 67,931,726 shares outstanding, respectively
                        805,000                                             
        total liabilities and stockholders’ equity
                        2,382,867,000 2,229,526,000 2,156,676,000 2,140,136,000 2,079,713,000 2,088,898,000 2,143,864,000 2,163,539,000 2,128,617,000 2,118,832,000 2,083,504,000 2,033,136,000 1,971,254,000 1,822,045,000 1,807,991,000 1,762,941,000 1,731,455,000 1,745,668,000 1,793,003,000 1,726,379,000 1,726,867,000 1,609,565,000 1,613,684,000 1,571,972,000 1,543,415,000 1,518,524,000 1,480,462,000 1,449,381,000 1,390,870,000 1,372,609,000 1,354,097,000 1,351,093,000 1,320,448,000 1,322,974,000 1,334,900,000 1,346,332,000 1,325,560,000 1,324,423,000 1,302,416,000 1,269,276,000 1,223,135,000 1,190,447,000 1,151,552,000 1,248,313,000 1,209,972,000 
        accounts receivable, trade, less allowance of 8,897 and 8,686, respectively
                         347,902,000                                            
        income taxes payable
                         19,226,000   15,706,000     18,137,000                        14,491,000            
        issued; 67,918,148 and 67,931,726 shares outstanding, respectively
                         805,000                                            
        accounts receivable, trade, less allowance of 8,686 and 7,921, respectively
                          341,104,000                                           
        issued; 67,931,726 and 69,244,525 shares outstanding, respectively
                          805,000                                           
        accounts receivable, trade, less allowance of 8,854 and 7,921, respectively
                           337,897,000                                          
        issued; 69,097,926 and 69,244,525 shares outstanding, respectively
                           805,000                                          
        accounts receivable, trade, less allowance of 8,720 and 7,921, respectively
                            299,383,000                                         
        issued; 69,097,033 and 69,244,525 shares outstanding, respectively
                            805,000                                         
        accounts receivable, trade, less allowance of 8,678 and 7,921, respectively
                             310,900,000                                        
        issued; 69,086,736 and 69,244,525 shares outstanding, respectively
                             805,000                                        
        accounts receivable, trade, less allowance of 7,921 and 8,613, respectively
                              322,846,000                                       
        issued; 69,244,525 and 70,441,973 shares outstanding, respectively
                              805,000                                       
        accounts receivable, trade, less allowance of 8,246 and 8,613, respectively
                               323,375,000                                      
        issued; 69,204,715 and 70,441,973 shares outstanding, respectively
                               805,000                                      
        accounts receivable, trade, less allowance of 8,409 and 8,613, respectively
                                331,239,000                                     
        issued; 69,195,003 and 70,441,973 shares outstanding, respectively
                                805,000                                     
        accounts receivable, trade, less allowance of 8,457 and 8,613, respectively
                                 313,524,000                                    
        issued; 69,888,102 and 70,441,973 shares outstanding, respectively
                                 805,000                                    
        accounts receivable, trade, less allowance of 8,613 and 8,250, respectively
                                  337,927,000                                   
        issued; 70,441,973 and 72,409,222 shares outstanding, respectively
                                  805,000                                   
        accounts receivable, trade, less allowance of 8,750 and 8,250, respectively
                                   324,911,000                                  
        issued; 71,194,303 and 72,409,222 shares outstanding, respectively
                                   805,000                                  
        accounts receivable, trade, less allowance of 8,548 and 8,250, respectively
                                    333,134,000                                 
        issued; 71,831,485 and 72,409,222 shares outstanding, respectively
                                    805,000                                 
        accounts receivable, trade, less allowance of 8,436 and 8,250, respectively
                                     301,967,000                                
        issued; 72,454,202 and 72,409,222 shares outstanding, respectively
                                     805,000                                
        accounts receivable, trade, less allowance of 8,250 and 9,183, respectively
                                      304,174,000                               
        income taxes receivable
                                      1,189,000 6,538,000 8,468,000 15,300,000 21,497,000 13,110,000 23,321,000 14,709,000 20,052,000 1,765,000 2,950,000 7,686,000 23,435,000                 14,726,000  
        issued; 72,409,222 and 72,166,969 shares outstanding, respectively
                                      805,000                               
        accounts receivable, trade, less allowance of 8,410 and 9,183, respectively
                                       279,716,000                              
        issued; 72,334,476 and 72,166,969 shares outstanding, respectively
                                       805,000                              
        accounts receivable, trade, less allowance of 8,434 and 9,183, respectively
                                        250,402,000                             
        issued; 72,249,924 and 72,166,969 shares outstanding, respectively
                                        805,000                             
        accounts receivable, trade, less allowance of 9,301 and 9,183, respectively
                                         247,035,000                            
        issued; 72,219,768 and 72,166,969 shares outstanding, respectively
                                         805,000                            
        accounts receivable, trade, less allowance of 9,183 and 10,298, respectively
                                          261,372,000                           
        issued; 72,166,969 and 71,998,750 shares outstanding, respectively
                                          805,000                           
        accounts receivable, trade, less allowance of 9,080 and 10,298, respectively
                                           252,512,000                          
        issued; 72,061,210 and 71,998,750 shares outstanding, respectively
                                           805,000                          
        accounts receivable, trade, less allowance of 8,970 and 10,298, respectively
                                            239,108,000                         
        issued; 72,050,173 and 71,998,750 shares outstanding, respectively
                                            805,000                         
        accounts receivable, trade, less allowance of 8,797 and 10,298, respectively
                                             235,763,000                        
        issued; 72,043,671 and 71,998,750 shares outstanding, respectively
                                             805,000                        
        accounts receivable, trade, less allowance of 10,298 and 10,017, respectively
                                              251,023,000                       
        current deferred income taxes
                                              28,037,000 29,541,000 34,568,000 36,048,000 34,066,000 26,668,000 26,389,000 25,852,000 25,315,000 22,888,000 25,662,000 24,869,000 25,139,000 27,420,000 26,901,000 25,514,000 25,805,000 29,237,000 29,084,000 28,456,000 27,829,000 24,701,000 25,526,000 
        issued; 71,998,750 and 72,038,368 shares outstanding, respectively
                                              805,000                       
        accounts receivable, trade, less allowance of 9,710 and 10,017, respectively
                                               250,878,000                      
        issued; 71,892,934 and 72,038,368 shares outstanding, respectively
                                               805,000                      
        accounts receivable, trade, less allowance of 9,616 and 10,017, respectively
                                                258,823,000                     
        issued; 71,882,822 and 72,038,368 shares outstanding, respectively
                                                805,000                     
        accounts receivable, trade, less allowance of 9,933 and 10,017, respectively
                                                 246,353,000                    
        issued; 72,102,651 and 72,038,368 shares outstanding, respectively
                                                 805,000                    
        accounts receivable, trade, less allowance of 10,017 and 9,939, respectively
                                                  266,727,000                   
        issued; 72,038,368 and 72,713,920 shares outstanding, respectively
                                                  805,000                   
        accounts receivable, trade, less allowance of 10,307 and 9,939, respectively
                                                   264,406,000                  
        issued; 71,756,576 and 72,713,920 shares outstanding, respectively
                                                   805,000                  
        accounts receivable, trade, less allowance of 10,166 and 9,939, respectively
                                                    261,305,000                 
        issued; 71,950,164 and 72,713,920 shares outstanding, respectively
                                                    805,000                 
        accounts receivable, trade, less allowance of 10,032 and 9,939, respectively
                                                     244,294,000                
        issued; 72,389,330 and 72,713,920 shares outstanding, respectively
                                                     805,000                
        accounts receivable, trade, less allowance of 9,939 and 10,528, respectively
                                                      231,647,000               
        issued; 72,713,920 and 73,246,598 shares outstanding, respectively
                                                      805,000               
        accounts receivable, trade, less allowance of 10,022 and 10,528, respectively
                                                       236,858,000              
        issued; 72,519,908 and 73,246,598 shares outstanding, respectively
                                                       805,000              
        accounts receivable, trade, less allowance of 10,540 and 10,528, respectively
                                                        223,990,000             
        issued; 72,692,730 and 73,246,598 shares outstanding, respectively
                                                        805,000             
        accounts receivable, trade, less allowance of 10,592 and 10,528, respectively
                                                         219,010,000            
        issued; 73,272,124 and 73,246,598 shares outstanding, respectively
                                                         805,000            
        accounts receivable, trade, less allowance of 10,528 and 10,154, respectively
                                                          211,133,000           
        issued; 73,246,598 and 72,847,576 shares outstanding, respectively
                                                          805,000           
        accounts receivable, trade, less allowance of 10,530 and 10,154, respectively
                                                           217,758,000          
        issued; 72,883,336 and 72,847,576 shares outstanding, respectively
                                                           805,000          
        accounts receivable, trade, less allowance of 10,457 and 10,154, respectively
                                                            219,635,000         
        issued; 72,869,626 and 72,847,576 shares outstanding, respectively
                                                            805,000         
        accounts receivable, trade, less allowance of 10,243 and 10,154, respectively
                                                             213,201,000        
        accounts receivable, trade, less allowance of 10,154 and 9,484, respectively
                                                              218,712,000       
        prepaid taxes, licenses, and permits
                                                              15,094,000    14,934,000   
        accounts receivable, trade, less allowance of 10,500 and 9,484, respectively
                                                               213,505,000      
        commitments and contingencies stockholders’ equity:
                                                                     
        accumulated other comprehensive income
                                                               -4,660,000 -2,696,000   -4,071,000 -5,129,000 
        accounts receivable, trade, less allowance of 10,156 and 9,484, respectively
                                                                213,250,000     
        accounts receivable, trade, less allowance of 9,907 and 9,484, respectively
                                                                 210,565,000    
        accounts receivable, trade, less allowance of 9,484 and 9,167, respectively
                                                                  190,264,000   
        accounts receivable, trade, less allowance of 9,203 and 9,167, respectively
                                                                   201,485,000  
        accounts receivable, trade, less allowance of 9,260 and 9,167, respectively
                                                                    191,805,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 
                                                                      
          cash flows from operating activities:
                                                                      
          net income
        -35,316,000 -21,083,000 43,622,000 -10,221,000 11,582,000 6,540,000 9,200,000 6,248,000 23,232,000 23,504,000 30,020,000 35,534,000 61,011,000 55,925,000 73,609,000 55,035,000 77,865,000 65,089,000 72,032,000 46,492,000 60,556,000 46,332,000 39,132,000 23,058,000 48,496,000 39,044,000 43,318,000 36,086,000 54,563,000 47,514,000 38,264,000 27,807,000 141,134,000 22,517,000 23,219,000 16,019,000 21,811,000 18,920,000 18,306,000 20,092,000 36,648,000 32,076,000 31,848,000 23,142,000 32,709,000 25,970,000 25,632,000 14,339,000 22,175,000 21,259,000 25,840,000 17,511,000 25,981,000 25,128,000 30,680,000 21,245,000 29,368,000 29,578,000 27,518,000 16,293,000 24,115,000 24,158,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                      
          depreciation and amortization
        73,331,000 72,184,000 70,757,000 70,049,000 71,879,000 71,584,000 72,672,000 74,270,000 75,712,000 74,586,000 74,898,000 74,313,000 73,826,000 70,397,000 68,471,000 67,229,000 71,269,000                                              
          deferred income taxes
        -11,262,000 17,229,000 2,940,000 -11,612,000 -24,067,000 -14,647,000 -14,314,000 2,828,000 -15,622,000 14,555,000 9,331,000 -111,000 32,291,000 10,892,000 -376,000 -254,000 14,732,000 -280,000 11,549,000 3,487,000 -7,875,000 538,000 16,000 -2,912,000 7,988,000 7,325,000 663,000 425,000 12,580,000 8,845,000 10,791,000 5,478,000 -107,440,000 240,000 2,819,000 3,433,000 20,859,000 152,000 17,211,000 6,410,000 41,859,000 -320,000 -811,000 -2,286,000 21,244,000 -5,453,000 -4,459,000 -6,294,000 29,000 -3,960,000 725,000 -5,183,000 -1,148,000 -2,332,000 -2,874,000 -2,714,000 22,694,000 12,448,000 11,962,000 10,759,000 -7,511,000 12,866,000 
          gain on disposal of property and equipment
        -2,366,000 -4,539,000 -5,926,000 -2,843,000 -6,483,000 -2,604,000 -2,676,000 -3,568,000 -3,094,000 -9,117,000 -11,890,000 -18,339,000 -25,905,000 -21,521,000 -20,680,000 -20,458,000 -21,236,000 -15,284,000 -13,488,000 -10,520,000 -3,978,000 -3,882,000 -942,000 -2,469,000 -7,027,000 -4,147,000 -4,454,000 -5,929,000 -8,976,000 -4,576,000 -8,638,000 -2,708,000 -767,000 -2,177,000 -2,462,000 -1,392,000 -3,182,000 -3,103,000 -6,782,000 -3,365,000 -4,360,000 -6,689,000 -6,687,000 -5,504,000 -4,993,000 -4,452,000 -5,168,000 -4,647,000 -3,707,000 -2,655,000 -6,513,000 -3,533,000 -4,735,000 -5,352,000 -5,699,000 -4,747,000  -6,032,000 -5,647,000 -4,775,000  -1,437,000 
          restructuring and impairment
                                                                      
          non-cash equity compensation
        2,996,000 2,788,000 2,463,000 2,444,000 1,785,000 2,450,000 2,371,000 2,250,000 3,272,000 2,380,000 2,888,000 3,403,000 3,366,000 3,035,000 3,059,000 3,026,000 2,808,000 2,750,000 2,747,000 2,502,000 2,900,000 2,459,000 1,138,000 2,406,000 1,731,000 1,981,000 2,314,000 2,051,000 1,887,000 2,118,000 1,979,000 1,410,000 1,331,000 1,184,000 1,135,000 896,000 56,000 1,314,000 1,326,000 -315,000 754,000 -148,000 1,985,000 1,770,000 1,720,000 1,513,000 1,533,000 1,304,000               
          insurance and claims accruals, net of current portion
        -830,000 -1,760,000 -43,134,000 117,000 8,731,000 1,077,000 -8,570,000 -4,015,000 1,620,000 -1,817,000 -6,003,000 954,000 6,257,000 -3,405,000 404,000 4,470,000 3,220,000 -2,270,000 420,000 4,212,000 -3,159,000 -22,000 628,000 5,973,000 -1,652,000 3,873,000 6,027,000 5,940,000 5,470,000 7,019,000 13,791,000 290,000 1,040,000 -3,380,000 -350,000 -2,915,000 -250,000 -2,600,000 -4,220,000 -4,250,000 -4,700,000 -650,000 1,700,000 5,400,000 -7,380,000 -1,425,000 1,550,000 -1,200,000 3,700,000 800,000 -550,000 2,450,000 4,300,000 250,000 -1,800,000 1,500,000       
          loss on investments in equity securities
        71,000 -38,000 33,000 2,000 -8,157,000 37,000 52,000 138,000 242,000 34,000 -79,000 81,000    9,806,000                                               
          loss (earnings) from equity method investment
          -719,000 -123,000 -535,000                                                          
          change in fair value of contingent consideration
                                                                      
          other
        -395,000 -3,958,000 3,140,000 -14,617,000 1,211,000 -3,940,000 -3,428,000 -3,141,000 -2,871,000 -2,296,000 -2,028,000 -417,000 -8,239,000 -914,000 -2,062,000 -2,080,000 -1,683,000 -2,264,000 -443,000 1,285,000 -8,130,000 10,735,000 10,948,000 88,000 1,167,000 -1,162,000 -617,000 -2,748,000 307,000 -2,286,000 -1,016,000 -1,779,000 -3,202,000 -549,000 -4,309,000 -3,897,000 5,130,000 -3,288,000 -206,000 -5,006,000 3,815,000 3,102,000 2,376,000 -190,000 4,588,000 -3,061,000 -623,000 203,000 698,000 -1,270,000 244,000 -213,000 -1,603,000 1,815,000 940,000 -1,389,000 -229,000 -700,000 -622,000 478,000 -947,000 525,000 
          changes in certain working capital items:
                                                                      
          accounts receivable
        42,576,000 -16,984,000 -33,463,000 4,609,000 -7,661,000 25,963,000 7,477,000 27,481,000 4,842,000 -12,142,000 23,355,000 57,866,000 35,432,000 -11,133,000 -32,404,000 11,279,000 -31,935,000 -19,094,000 -43,180,000 -6,798,000 -3,207,000 -38,514,000 11,517,000 11,946,000 529,000 7,864,000 -17,715,000 24,403,000 -13,016,000 8,223,000 -31,167,000 2,207,000 -24,458,000 -29,314,000 -3,367,000 14,337,000 -8,860,000 -13,404,000 -3,345,000 15,260,000 -145,000 7,945,000 -12,470,000 20,374,000 -2,321,000 -3,101,000 -17,011,000 -12,647,000 5,211,000 -12,868,000 -4,980,000 -7,877,000 6,625,000 1,877,000 -6,434,000 5,511,000 -5,207,000 -255,000 -2,685,000 -20,301,000 11,221,000 -9,680,000 
          other current assets
        -8,837,000 -28,757,000 11,632,000 9,540,000 -1,304,000 -12,546,000 23,414,000 7,139,000 22,401,000 -28,390,000 -1,081,000 17,336,000 -22,255,000 -16,806,000 7,576,000 13,152,000 -17,584,000 -13,463,000 2,593,000 551,000 -6,055,000 -15,850,000 2,320,000 12,195,000 -4,692,000 -1,361,000 812,000 6,216,000 -444,000 -13,326,000 -1,529,000 5,320,000 3,999,000 -2,993,000 17,889,000 288,000 16,626,000 -17,358,000 -6,295,000 12,006,000 -20,091,000 962,000 9,223,000 19,361,000 -27,518,000 -505,000 4,747,000 -2,650,000 2,830,000 4,222,000 -8,810,000 5,156,000 -3,774,000 -4,714,000 9,262,000 16,807,000  -747,000 -920,000 1,666,000  -17,265,000 
          accounts payable
        -28,145,000 8,342,000 7,476,000 -4,373,000 -570,000 -15,090,000 10,543,000 -5,274,000 -2,556,000 10,337,000 -10,977,000 6,484,000 -24,726,000 -9,030,000 17,761,000 12,330,000 -2,494,000 597,000 -1,842,000 18,481,000 -8,960,000 7,800,000 -1,677,000 354,000 -7,005,000 -6,086,000 1,912,000 3,642,000 -4,183,000 997,000 6,923,000 3,822,000 -1,276,000 5,348,000 3,628,000 -1,869,000 -7,170,000 -1,729,000 2,814,000 813,000 -2,907,000 -6,091,000 7,034,000 9,220,000 -25,853,000 13,118,000 2,833,000 8,405,000 -11,106,000 4,734,000 2,754,000 6,411,000 -9,937,000 -1,387,000 -7,037,000 -1,811,000 12,652,000 1,134,000 640,000 4,955,000 2,281,000 2,833,000 
          other current liabilities
        -13,654,000 20,431,000 -4,981,000 -13,602,000 24,623,000 2,514,000 12,190,000 -15,904,000 11,077,000 2,485,000 5,665,000 -10,257,000 -17,271,000 -12,137,000 21,307,000 1,422,000 -11,451,000 -4,426,000 -20,465,000 12,224,000 13,622,000 -13,522,000 23,216,000 13,900,000 -9,787,000 1,898,000 -12,130,000 7,924,000 7,746,000 7,152,000 -3,360,000 2,509,000 -491,000 33,000 5,607,000 -5,289,000 9,323,000 -532,000 9,990,000 -490,000 -13,397,000 9,932,000 -9,876,000 3,979,000 4,052,000 7,880,000 -22,271,000 19,273,000 -5,153,000 6,070,000 -18,064,000 18,252,000 -3,435,000 1,590,000 -4,856,000 7,804,000  4,456,000 -9,300,000 2,398,000  -6,968,000 
          net cash from operating activities
        62,291,000 44,144,000 46,025,000 29,370,000 71,034,000 61,043,000 109,072,000 88,585,000 118,347,000 74,229,000 114,943,000 166,847,000 115,995,000 65,189,000 112,570,000 154,957,000 79,475,000 63,880,000 53,597,000 135,867,000 99,513,000 59,054,000 153,966,000 133,376,000 94,459,000 111,849,000 81,567,000 138,769,000 115,646,000 120,062,000 82,589,000 99,862,000 64,890,000 44,487,000 97,514,000 74,947,000 111,222,000 30,153,000 79,703,000 91,319,000 87,620,000 89,200,000 72,586,000 120,986,000 41,354,000 74,666,000 31,336,000 59,209,000 61,366,000 60,183,000 34,302,000 76,606,000 56,381,000 59,917,000 54,799,000 83,999,000 64,141,000 83,309,000 63,230,000 53,800,000 73,236,000 43,831,000 
          capital expenditures
        -85,810,000 -52,699,000 -88,342,000 -23,513,000 -80,800,000 -134,465,000 -140,299,000 -58,235,000 -68,700,000 -168,773,000 -199,548,000 -161,764,000 -127,350,000 -152,568,000 -153,705,000 -73,629,000 -75,365,000 -102,502,000 -110,428,000 -82,555,000 -118,617,000 -124,213,000 -113,004,000 -57,231,000 -45,546,000 -135,913,000 -118,932,000 -120,357,000 -107,315,000 -156,355,000 -161,965,000 -94,237,000 -110,469,000 -79,823,000 -83,392,000 -42,659,000 -149,452,000 -75,306,000 -189,656,000 -123,424,000 -116,622,000 -121,288,000 -107,452,000 -108,735,000 -90,295,000 -106,385,000 -69,105,000 -30,864,000 -61,440,000 -85,024,000 -32,946,000 -31,919,000 -58,443,000 -74,070,000 -56,475,000 -95,954,000 -93,871,000 -67,703,000 -103,151,000 -37,615,000 -56,397,000 -37,288,000 
          free cash flows
        -23,519,000 -8,555,000 -42,317,000 5,857,000 -9,766,000 -73,422,000 -31,227,000 30,350,000 49,647,000 -94,544,000 -84,605,000 5,083,000 -11,355,000 -87,379,000 -41,135,000 81,328,000 4,110,000 -38,622,000 -56,831,000 53,312,000 -19,104,000 -65,159,000 40,962,000 76,145,000 48,913,000 -24,064,000 -37,365,000 18,412,000 8,331,000 -36,293,000 -79,376,000 5,625,000 -45,579,000 -35,336,000 14,122,000 32,288,000 -38,230,000 -45,153,000 -109,953,000 -32,105,000 -29,002,000 -32,088,000 -34,866,000 12,251,000 -48,941,000 -31,719,000 -37,769,000 28,345,000 -74,000 -24,841,000 1,356,000 44,687,000 -2,062,000 -14,153,000 -1,676,000 -11,955,000 -29,730,000 15,606,000 -39,921,000 16,185,000 16,839,000 6,543,000 
          cash flows from investing activities:
                                                                      
          additions to property and equipment
        -85,810,000 -52,699,000 -88,342,000 -23,513,000 -80,800,000 -134,465,000 -140,299,000 -58,235,000 -68,700,000 -168,773,000 -199,548,000 -161,764,000 -127,350,000 -152,568,000 -153,705,000 -73,629,000 -75,365,000 -102,502,000 -110,428,000 -82,555,000 -118,617,000 -124,213,000 -113,004,000 -57,231,000 -45,546,000 -135,913,000 -118,932,000 -120,357,000 -107,315,000 -156,355,000 -161,965,000 -94,237,000 -110,469,000 -79,823,000 -83,392,000 -42,659,000 -149,452,000 -75,306,000 -189,656,000 -123,424,000 -116,622,000 -121,288,000 -107,452,000 -108,735,000 -90,295,000 -106,385,000 -69,105,000 -30,864,000 -61,440,000 -85,024,000 -32,946,000 -31,919,000 -58,443,000 -74,070,000 -56,475,000 -95,954,000 -93,871,000 -67,703,000 -103,151,000 -37,615,000 -56,397,000 -37,288,000 
          proceeds from sales of property and equipment
        16,364,000 17,461,000 22,714,000 31,079,000 52,018,000 46,556,000 41,138,000 39,200,000 34,163,000 48,803,000 48,100,000 59,021,000 63,843,000 51,919,000 37,356,000 36,555,000 45,046,000 42,719,000 45,347,000 44,689,000 39,639,000 44,559,000 24,235,000 38,391,000 33,330,000 26,607,000 39,943,000 36,993,000 47,633,000 41,900,000 42,636,000 38,731,000 32,729,000 24,693,000 32,011,000 28,065,000 13,859,000 41,818,000 30,733,000 21,821,000 16,248,000 29,585,000 32,911,000 23,870,000                   
          net cash invested in acquisitions
                                                                      
          investment in equity securities
        -10,000 -11,000 -10,000 -6,011,000 -6,010,000 -11,000 -10,000 -11,000 -66,000      -5,000,000 -5,000,000                                           
          payments to acquire equity method investment
        -1,300,000 -1,300,000                                                             
          purchase of promissory note
                                                                      
          decrease in notes receivable
            1,273,000 860,000 472,000 696,000 2,449,000 1,102,000 881,000 826,000 2,744,000 1,582,000 1,457,000 1,831,000 2,479,000 1,772,000 1,767,000 1,575,000 1,689,000 1,885,000 2,076,000 2,316,000 2,319,000 2,742,000 3,079,000 3,426,000 5,052,000 4,119,000 5,783,000 5,944,000 4,400,000 4,147,000 4,284,000 7,206,000 5,346,000 5,710,000 4,903,000 3,394,000 7,561,000 4,768,000 3,411,000 3,777,000 3,255,000 3,059,000 5,310,000 2,766,000 3,584,000 2,656,000 2,242,000 2,197,000 4,008,000 1,743,000 1,748,000 623,000 3,136,000 1,390,000 1,557,000 1,271,000 1,400,000 1,069,000 
          net cash from investing activities
        -71,806,000 -35,845,000 -66,292,000 2,371,000 -34,979,000 -87,060,000 -99,999,000 -19,410,000 -32,894,000 -121,733,000 -151,087,000 -129,230,000 -245,586,000 -99,067,000 -135,142,000 -34,538,000 -88,394,000 -204,302,000 -63,314,000 -41,291,000 -82,289,000 -77,769,000 -86,693,000 -16,524,000 -9,897,000 -106,564,000 -75,910,000 -79,938,000 -54,630,000 -110,336,000 -116,846,000 -49,562,000 -73,340,000 -55,983,000 -47,097,000 -7,388,000 -130,247,000 -27,778,000 -154,020,000 -98,209,000 -96,393,000 -86,935,000 -71,130,000 -81,088,000 -64,440,000 -80,973,000 -44,794,000 -13,280,000 -41,864,000 -68,304,000 -10,981,000 -19,109,000 -40,672,000 -56,578,000 -37,629,000 -81,926,000 -75,462,000 -46,270,000 -84,329,000 -18,783,000 -34,536,000 -29,713,000 
          cash flows from financing activities:
                                                                      
          repayments of short-term debt
        -23,000,000 -25,000,000 -10,000,000 -20,000,000 -40,000,000 -11,250,000 -21,250,000 -16,250,000 -30,000,000 -1,250,000 -2,500,000 -1,250,000 -1,250,000 -1,250,000 -2,500,000 -25,000,000 -15,000,000          -25,000,000 -20,000,000            -20,000,000 -20,000,000 -20,000,000 -40,000,000 -80,000,000 -30,000,000 -20,000,000 -40,000,000 
          proceeds from issuance of short-term debt
        25,000,000 20,000,000 10,000,000 40,000,000 30,000,000 20,000,000 20,000,000 15,000,000                         20,000,000                40,000,000 20,000,000 40,000,000 80,000,000 30,000,000 20,000,000 40,000,000 
          repayments of long-term debt
        -60,000,000 -260,000,000 -65,000,000 -20,000,000 -86,250,000 -50,000,000 -40,000,000   -100,000,000     -50,000,000 -50,000,000       -30,000,000 -30,000,000           -10,000,000 -30,000,000           
          proceeds from issuance of long-term debt
        25,000,000 5,000,000 145,000,000 250,000,000 5,000,000 50,000,000      120,000,000 130,000,000 20,000,000 100,000,000 80,000,000 50,000,000       10,000,000   50,000,000       10,000,000 45,000,000                       
          dividends on common stock
        -8,376,000 -8,376,000 -8,670,000 -8,659,000 -8,653,000 -8,653,000 -8,878,000 -8,882,000 -8,875,000 -8,874,000 -8,239,000 -8,220,000 -8,216,000 -8,244,000 -7,807,000 -7,895,000 -8,026,000 -8,151,000 -6,792,000 -6,114,000 -6,219,000 -6,219,000 -6,218,000 -6,232,000 -6,228,000 -6,228,000 -267,394,000 -6,340,000 -6,408,000 -6,465,000 -5,072,000 -5,068,000 -5,063,000 -5,058,000 -4,333,000 -4,330,000 -4,323,000 -4,323,000 -4,323,000 -4,320,000 -4,314,000 -3,594,000 -3,605,000 -3,602,000 -3,587,000 -3,598,000 -3,619,000 -3,636,000 -3,626,000 -3,635,000 -3,664,000 -3,662,000 -113,462,000 -3,644,000 -3,643,000 -3,642,000 -40,058,000 -3,640,000 -3,639,000 -3,632,000 -119,860,000 -3,618,000 
          repurchases of common stock
        9,000   17,000 -60,536,000 -6,550,000     -8,287,000 -65,933,000 -36,180,000 -51,178,000 -47,759,000 -5,507,000 -47,723,000 -8,798,000 -21,756,000 -20,545,000 -25,752,000 -23,529,000             -4,985,000 -12,722,000 -12,880,000 -4,995,000             
          tax withholding related to net share settlements of restricted stock awards
        -398,000 -60,000 -1,879,000 -659,000 -85,000 -4,087,000 -805,000 -37,000 -3,000 -5,514,000 -378,000 -46,000 -3,658,000 -497,000 -33,000 -3,740,000 -612,000 -6,000 -5,000 -3,930,000 -708,000 -2,000 -10,000 -1,179,000 -692,000 -12,000 -667,000 -1,187,000 -85,000 -19,000 -341,000 -1,209,000 -64,000 -19,000 -540,000 -1,263,000 -68,000 -25,000 -368,000 -1,881,000 -65,000   -1,244,000 -394,000 -9,000 -157,000 -528,000          
          net cash from financing activities
        18,235,000 -9,092,000 18,692,000 -20,538,000 -49,295,000 11,347,000 3,001,000 -70,769,000 -67,089,000 44,218,000 -47,962,000 -16,234,000 110,584,000 105,391,000 -48,958,000 -48,983,000 17,799,000 -5,978,000 118,208,000 -40,361,000 -29,554,000 -6,225,000 -81,223,000 -68,960,000 -65,838,000 -37,157,000 -24,160,000 -28,064,000 -36,151,000 -10,164,000 5,748,000 -27,045,000 11,873,000 -254,000 -58,888,000 -54,147,000 22,130,000 -3,551,000 69,571,000 -4,780,000 -5,240,000 -3,559,000 -13,112,000 -3,081,000 -1,596,000 26,382,000 -15,289,000 -13,165,000 -12,965,000 1,241,000 -18,205,000 -53,595,000 -18,206,000 -3,790,000 -10,834,000 -2,721,000 -33,067,000 -3,271,000 -3,002,000 -1,413,000 -119,542,000 681,000 
          effect of exchange rate fluctuations on cash
        218,000 357,000 1,044,000 -4,000 -668,000 -1,118,000 -1,963,000 208,000 605,000 -462,000 1,017,000 968,000 564,000 -254,000 5,000 317,000 -112,000 -300,000 507,000 -419,000 1,188,000 27,000 78,000 -2,073,000 364,000 -194,000 181,000 45,000 -585,000 164,000 -356,000 403,000 -530,000 -127,000 277,000 430,000 121,000 -325,000 -427,000 247,000 -75,000 -276,000 -116,000 -158,000 -312,000 -191,000 -7,000 26,000 -209,000 -18,000 -397,000 199,000 -112,000 304,000 -224,000 308,000       
          net increase in cash and cash equivalents
        8,938,000 -436,000 -531,000 11,199,000   10,111,000 -1,386,000 18,969,000 -3,748,000 -83,089,000 22,351,000 -18,443,000 71,259,000 -71,525,000 71,753,000                   -8,194,000 13,842,000 3,226,000 -1,501,000 -5,173,000 -11,423,000 -14,088,000 -1,570,000 -11,772,000 36,659,000 -24,994,000 19,884,000 -28,754,000 32,790,000 6,328,000 -6,898,000 4,719,000 4,101,000 -2,609,000 -147,000 6,112,000 -340,000  33,402,000 -24,116,000 33,633,000 -80,882,000 15,655,000 
          cash and cash equivalents, beginning of period
        40,752,000 61,723,000 107,240,000 54,196,000                 16,962,000 31,833,000 22,604,000 23,678,000 15,428,000 12,412,000  13,966,000  
          cash and cash equivalents, end of period
        8,938,000 -436,000 -531,000 51,951,000 -13,908,000 -15,788,000 10,111,000 60,337,000 18,969,000 -3,748,000 -83,089,000 129,591,000 -18,443,000 71,259,000 -71,525,000 125,949,000                 2,893,000 -11,877,000 -8,194,000 30,804,000 3,226,000 -1,501,000 -5,173,000 20,410,000 -14,088,000 -1,570,000 -11,772,000 59,263,000 -24,994,000 19,884,000 -28,754,000 56,468,000 6,328,000 -6,898,000 4,719,000 19,529,000 -2,609,000 -147,000 6,112,000 12,072,000  33,402,000 -24,116,000 47,599,000  15,655,000 
          supplemental disclosures of cash flow information:
                                                                      
          interest paid
        10,067,000 9,911,000 6,185,000 14,422,000 12,753,000 10,678,000 7,397,000 9,328,000 1,913,000 8,656,000 8,399,000 8,244,000 5,522,000 2,428,000 1,700,000 1,536,000 1,711,000 934,000 705,000 878,000 533,000 886,000 1,185,000 1,811,000 2,080,000 2,531,000 966,000 864,000 991,000 727,000 491,000 481,000 487,000 492,000 636,000 876,000 632,000 766,000 578,000 494,000 400,000 512,000 584,000 482,000 516,000 71,000 128,000 105,000 105,000 99,000 94,000 168,000 20,000 18,000 66,000 141,000 42,000 5,000 10,000 28,000  5,000 
          income taxes paid
        -89,000 11,000 17,607,000 21,057,000 10,984,000 11,267,000 2,415,000 1,165,000 752,000 5,702,000 11,219,000 219,000 1,516,000 7,701,000 30,259,000 837,000 24,835,000 16,303,000 39,511,000 536,000 17,293,000 33,888,000 2,381,000 611,000 8,561,000 4,233,000 36,249,000 556,000 5,023,000 869,000 5,162,000 301,000 6,269,000 11,351,000 4,090,000 378,000 416,000 19,000 3,150,000 1,088,000 1,004,000 16,339,000 16,395,000 1,467,000 17,779,000 16,489,000 41,237,000 1,344,000 11,609,000 13,658,000 36,985,000 3,780,000 18,644,000 23,132,000 25,099,000 1,093,000 4,938,000 3,523,000 14,600,000 5,741,000  20,112,000 
          supplemental schedule of non-cash investing and financing activities:
                                                                      
          notes receivable issued upon sale of property and equipment
        988,000 814,000 558,000 440,000 782,000 329,000 1,064,000 402,000 1,177,000 464,000 748,000 756,000 1,806,000 1,421,000 737,000 1,613,000 1,701,000 1,606,000 1,658,000 988,000 1,158,000 854,000 330,000 1,099,000 1,222,000 1,810,000 1,640,000 2,092,000 5,086,000 4,238,000 1,638,000 2,178,000 1,758,000 1,459,000 1,727,000 872,000 2,497,000 4,209,000 4,692,000 14,051,000 14,268,000 9,243,000 6,632,000 5,917,000 4,958,000 3,094,000 2,881,000 3,452,000 4,409,000 5,463,000 3,749,000 3,489,000 3,278,000 2,693,000 3,076,000 1,517,000 3,119,000      
          change in fair value of interest rate swaps
        184,000 -113,000 -469,000 -1,434,000 4,356,000 -4,606,000 -1,252,000 116,000 -2,744,000 -694,000 -101,000 -973,000 114,000 1,858,000 1,283,000 3,631,000 1,547,000 400,000 360,000 1,303,000 581,000 401,000 -623,000 -5,597,000                                       
          property and equipment acquired included in accounts payable
        -24,078,000 9,784,000 8,345,000 6,373,000 -51,411,000 37,339,000 -4,624,000 19,765,000 9,538,000 -1,073,000 1,766,000 4,008,000 -1,206,000 -1,288,000 -5,240,000 13,671,000 3,458,000 -3,049,000 -16,855,000 23,570,000 -11,818,000 11,978,000 -1,758,000 13,848,000 12,291,000 2,721,000 -8,924,000 15,050,000 11,951,000 -2,900,000 1,698,000 5,999,000 2,735,000 -3,722,000 3,543,000 671,000 1,053,000 -11,083,000 4,664,000 7,240,000 -9,886,000 1,546,000 8,382,000 585,000 1,607,000 -8,947,000 8,900,000 507,000 2,707,000 -1,190,000 3,861,000 25,000 -7,882,000 -1,550,000 -3,724,000 13,265,000       
          dividends accrued but not yet paid at end of period
        6,000 -294,000 8,670,000 6,000 -225,000 8,878,000 7,000 1,000 635,000 8,239,000 4,000 -28,000 437,000 7,807,000 -131,000 -125,000 1,359,000 6,792,000 -105,000 1,000 6,218,000 3,000 2,000 -63,000 6,290,000                                   
          contingent consideration associated with acquisition
                                                                      
          earnings from equity method investment
                                                                      
          gain on contingent earnout liability settlement
                                                                     
          collections of notes receivable
         704,000 1,106,000 816,000                                                           
          property and equipment disposed included in other receivables
                   110,000 -80,000 -1,015,000 1,051,000 154,000   15,000 17,000 -5,153,000 3,201,000 731,000 1,251,000 17,114,000   72,000 -333,000 742,000 198,000 67,000 -646,000 1,197,000 92,000 11,000 -104,000 -347,000 130,000 476,000    68,000  -345,000 227,000 469,000 -262,000 -408,000 88,000 1,016,000 -100,000 -176,000 244,000 343,000       
          distribution to noncontrolling interest
                                                                      
          net cash invested in acquisition
                 -188,000  705,000                                               
          payment to acquire equity method investment
             -1,300,000 -1,060,000  -520,000 -2,125,000                                                   
          change in checks issued in excess of cash balances
                 3,129,000                                                     
          net decrease in cash and cash equivalents
                                                                      
          contingent consideration associated with acquisitions
                 -800,000                                                   
          loss from equity method investment
              141,000 133,000 92,000 110,000                                                     
          noncontrolling interest associated with acquisition
                                                                      
          issuance of notes receivable
                 -25,000,000                                                
          other cash flows from financing activities
                                                                      
          gain on investments in equity securities
                    2,208,000 -114,000                                                 
          redeemable noncontrolling interest associated with acquisition
                                                                      
          gains on investment in equity securities
                                                                      
          stock options exercised
                                   228,000 19,000 229,000 122,000 1,351,000 464,000 524,000 72,000 113,000 86,000 99,000 83,000 60,000 703,000 2,843,000 19,000 1,017,000 3,133,000 1,579,000 236,000 513,000 220,000 5,656,000 204,000 175,000 314,000 241,000 483,000 1,902,000 295,000 2,924,000 
          net increase in cash, cash equivalents and restricted cash
                        8,768,000 -146,700,000 108,998,000 53,796,000 -11,142,000 -24,913,000 -13,872,000 45,819,000   -18,322,000 30,812,000 24,280,000 -274,000 -28,865,000 23,658,000                               
          cash, cash equivalents and restricted cash, beginning of period
                        29,334,000 33,442,000 33,930,000 15,131,000                               
          cash, cash equivalents and restricted cash, end of period
                        8,768,000 -146,700,000 108,998,000 83,130,000 -11,142,000 -24,913,000 -13,872,000 79,261,000 19,088,000 -32,066,000 -18,322,000 64,742,000 24,280,000 -274,000 -28,865,000 38,789,000                               
          depreciation
                          63,865,000 63,951,000 63,799,000 62,980,000 67,670,000 68,837,000 64,711,000 62,620,000 61,437,000 60,759,000 59,712,000 58,382,000 56,551,000 55,506,000 55,020,000 53,578,000 53,705,000 55,336,000 56,879,000 51,781,000 50,904,000 50,164,000 50,144,000 49,081,000 48,264,000 45,720,000 45,106,000 44,182,000 44,573,000 43,123,000 45,709,000 42,612,000 42,367,000 42,331,000 42,879,000 41,901,000 41,506,000 40,671,000 39,473,000 40,197,000 39,246,000 39,718,000 39,394,000 37,092,000 
          the following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated balance sheets reconciliation of cash, cash equivalents and restricted cash:
                                                                      
          cash and cash equivalents
                           83,130,000    72,237,000     24,280,000 -274,000 -28,865,000 38,789,000                               
          restricted cash included in other current assets
                               7,024,000                                       
          total cash, cash equivalents and restricted cash
                           83,130,000    79,261,000     24,280,000 -274,000 -28,865,000 38,789,000                               
          change in net checks issued in excess of cash balances
                                    -3,299,000 -10,398,000 13,697,000 -21,539,000      -4,276,000               -7,407,000 736,000       
          supplemental schedule of non-cash investing activities:
                                                                      
          the following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated balance sheets
                                                                      
          reconciliation of cash, cash equivalents and restricted cash:
                                                                      
          net decrease in cash, cash equivalents and restricted cash
                                                                      
          change in fair value of interest rate swap
                                 -1,440,000 -106,000 -105,000 -122,000 5,000 94,000 278,000 265,000 100,000 20,000 214,000 854,000 388,000 -170,000 -735,000 610,000 -605,000 150,000 87,000 -749,000                  
          payment of notes payable
                                                                  
          excess tax benefits from equity compensation
                                            255,000 -1,000 3,000 -19,000 337,000 20,000 13,000 186,000 1,029,000 11,000 66,000 218,000               
          the following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated condensed balance sheets.
                                                                      
          the following table provides a reconciliation of cash, cash equivalents and restricted cash to amounts reported within the consolidated condensed balance sheets
                                                                      
          change in net checks issued in excess of cash balance
                                                                      
          issuance of notes payable
                                                                    
          retirements of property and equipment
                                                    24,840,000 22,353,000 22,344,000 14,818,000 15,992,000 13,085,000 19,723,000 10,613,000 13,763,000 15,749,000 17,098,000 13,405,000 15,273,000 20,043,000 17,265,000 17,561,000 20,461,000 6,506,000 
          stock-based compensation
                                                         1,239,000 1,289,000 1,301,000 1,228,000 1,141,000 1,111,000 1,122,000 722,000 730,000 538,000 609,000  457,000 
          excess tax benefits from exercise of stock options
                                                         29,000 20,000 4,000  12,000 10,000 6,000 128,000 154,000 317,000 23,000 1,375,000 
          excess tax benefits from stock-based compensation
                                                                      
          gain on disposal of operating equipment
                                                                      
          prepaid expenses and other current assets
                                                                      
          accrued and other current liabilities
                                                                      
          cash and cash equivalents, beginning of year
                                                                      
          cash and cash equivalents, end of year
                                                                      
          supplemental disclosures of non-cash investing activities:
                                                                      
          insurance claims accruals, net of current portion
                                                                 2,500,000 2,500,000 2,000,000  1,250,000 
          effect of foreign exchange rate fluctuations on cash
                                                                 -366,000 -15,000 29,000  856,000 
          notes receivable issued upon sale of revenue equipment
                                                                  1,137,000 1,028,000 1,100,000 1,092,000 
          stock based compensation
                                                                      
          cash paid during year for:
                                                                      
          interest
                                                                      
          income taxes