7Baggers

Douglas Dynamics, Inc
(NYSE:PLOW) 

PLOW stock logo

Douglas Dynamics, Inc. operates as a manufacturer and upfitter of commercial work truck attachments and equipment in North America. It operates through two segments, Work Truck Attachments and Work Truck Solutions. The Work Truck Attachments segment manufactures and sells snow and ice control attach...

Founded: 1948
Full Time Employees: 1,677
Sector: Consumer Cyclical
Industry: Auto Parts

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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 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 
                                                                
      net sales
    184,538,000 162,121,000 194,327,000 115,067,000 143,549,000 129,398,000 199,902,000 95,655,000 134,245,000 144,121,000 207,267,000 82,545,000 159,806,000 166,100,000 187,561,000 102,601,000 152,945,000 127,636,000 157,530,000 103,342,000 158,160,000 133,761,000 120,043,000 68,190,000 160,298,000 141,869,000 176,356,000 93,187,000 151,825,000 124,832,000 163,446,000 83,964,000 137,969,000 125,339,000 139,371,000 72,248,000 130,143,000 123,573,000 113,763,000 48,789,000 118,810,000 120,565,000 107,143,000 53,890,000 100,054,000 78,836,000 88,225,000 36,396,000 52,026,000 55,156,000 14,141,000 37,774,000 65,499,000 8,560,000 53,495,000 71,557,000 23,490,000 47,448,000 66,243,000 14,647,000 
      yoy
    28.55% 25.29% -2.79% 20.29% 6.93% -10.22% -3.55% 15.88% -16.00% -13.23% 10.51% -19.55% 4.49% 30.14% 19.06% -0.72% -3.30% -4.58% 31.23% 51.55% -1.33% -5.72% -31.93% -26.82% 5.58% 13.65% 7.90% 10.98% 10.04% -0.40% 17.27% 16.22% 6.01% 1.43% 22.51% 48.08% 9.54% 2.49% 6.18% -9.47% 18.75% 52.93% 21.44% 48.07% 92.32% 42.93% 523.90% -3.65% -20.57% 544.35% -73.57% -47.21% 178.84% -81.96% -19.24% 388.54%     
      qoq
    13.83% -16.57% 68.88% -19.84% 10.94% -35.27% 108.98% -28.75% -6.85% -30.47% 151.10% -48.35% -3.79% -11.44% 82.81% -32.92% 19.83% -18.98% 52.44% -34.66% 18.24% 11.43% 76.04% -57.46% 12.99% -19.56% 89.25% -38.62% 21.62% -23.62% 94.66% -39.14% 10.08% -10.07% 92.91% -44.49% 5.32% 8.62% 133.17% -58.94% -1.46% 12.53% 98.82% -46.14% 26.91% -10.64% 142.40% -30.04% -5.67% 290.04% -62.56% -42.33% 665.18% -84.00% -25.24% 204.63% -50.49% -28.37% 352.26%  
      cost of sales
    136,400,000 124,014,000 134,031,000 86,928,000 107,810,000 98,523,000 138,599,000 76,735,000 104,742,000 111,992,000 145,904,000 71,270,000 121,916,000 124,831,000 136,328,000 81,537,000 116,758,000 97,001,000 108,732,000 77,090,000 110,373,000 97,033,000 87,968,000 56,500,000 113,959,000 101,930,000 116,763,000 70,241,000 107,731,000 89,912,000 107,597,000 63,937,000 93,158,000 89,284,000 94,338,000 55,061,000 88,465,000 86,929,000 72,242,000 34,658,000 80,259,000 79,700,000 70,133,000 37,453,000 61,358,000 49,746,000 53,810,000 22,271,000 36,982,000 36,278,000 9,815,000 26,208,000 42,439,000 6,740,000 37,001,000 45,219,000 14,419,000 32,221,000 41,182,000 12,667,000 
      gross profit
    48,138,000 38,107,000 60,296,000 28,139,000 35,739,000 30,875,000 61,303,000 18,920,000 29,503,000 32,129,000 61,363,000 11,275,000 37,890,000 41,269,000 51,233,000 21,064,000 36,187,000 30,635,000 48,798,000 26,252,000 47,787,000 36,728,000 32,075,000 11,690,000 46,339,000 39,939,000 59,593,000 22,946,000 44,094,000 34,920,000 55,849,000 20,027,000 44,811,000 36,055,000 45,033,000 17,187,000 41,678,000 36,644,000 41,521,000 14,131,000 38,551,000 40,865,000 37,010,000 16,437,000 38,696,000 29,090,000 34,415,000 14,125,000 15,044,000 18,878,000 4,326,000 11,566,000 23,060,000 1,820,000 16,494,000 26,338,000 9,071,000 15,227,000 25,061,000 1,980,000 
      yoy
    34.69% 23.42% -1.64% 48.73% 21.14% -3.90% -0.10% 67.80% -22.14% -22.15% 19.77% -46.47% 4.71% 34.71% 4.99% -19.76% -24.27% -16.59% 52.14% 124.57% 3.12% -8.04% -46.18% -49.05% 5.09% 14.37% 6.70% 14.58% -1.60% -3.15% 24.02% 16.52% 7.52% -1.61% 8.46% 21.63% 8.11% -10.33% 12.19% -14.03% -0.37% 40.48% 7.54% 16.37% 157.22% 54.09% 695.54% 22.13% -34.76% 937.25% -73.77% -56.09% 154.22% -88.05% -34.18% 1230.20%     
      qoq
    26.32% -36.80% 114.28% -21.27% 15.75% -49.64% 224.01% -35.87% -8.17% -47.64% 444.24% -70.24% -8.19% -19.45% 143.23% -41.79% 18.12% -37.22% 85.88% -45.06% 30.11% 14.51% 174.38% -74.77% 16.02% -32.98% 159.71% -47.96% 26.27% -37.47% 178.87% -55.31% 24.29% -19.94% 162.02% -58.76% 13.74% -11.75% 193.83% -63.34% -5.66% 10.42% 125.16% -57.52% 33.02% -15.47% 143.65% -6.11% -20.31% 336.38% -62.60% -49.84% 1167.03% -88.97% -37.38% 190.35% -40.43% -39.24% 1165.71%  
      gross margin %
    26.09% 23.51% 31.03% 24.45% 24.90% 23.86% 30.67% 19.78% 21.98% 22.29% 29.61% 13.66% 23.71% 24.85% 27.32% 20.53% 23.66% 24.00% 30.98% 25.40% 30.21% 27.46% 26.72% 17.14% 28.91% 28.15% 33.79% 24.62% 29.04% 27.97% 34.17% 23.85% 32.48% 28.77% 32.31% 23.79% 32.02% 29.65% 36.50% 28.96% 32.45% 33.89% 34.54% 30.50% 38.68% 36.90% 39.01% 38.81% 28.92% 34.23% 30.59% 30.62% 35.21% 21.26% 30.83% 36.81% 38.62% 32.09% 37.83% 13.52% 
      selling, general, and administrative expense
    27,280,000 22,473,000 21,751,000 23,387,000 21,136,000 25,688,000 23,370,000 21,488,000 14,229,000 17,998,000 24,172,000 22,442,000 18,605,000 19,181,000 23,024,000 21,373,000 19,356,000 17,607,000 21,982,000 19,899,000 17,182,000 16,428,000 13,858,000 17,149,000 18,608,000 17,269,000 18,767,000 16,644,000 16,677,000 16,592,000 20,543,000 16,146,000 16,520,000 13,093,000 16,925,000 15,056,000 16,274,000 15,761,000 11,312,000 10,913,000 12,923,000 12,506,000 11,304,000 11,417,000 12,482,000 9,006,000 8,414,000 8,337,000 10,733,000 6,097,000 5,910,000 5,051,000 5,707,000 4,631,000 6,535,000 6,751,000 5,911,000 6,819,000 7,900,000 5,808,000 
      impairment charges
           1,224,000               127,872,000                                      
      gain on sale leaseback transaction
         -42,298,000                                                       
      intangibles amortization
    1,531,000 1,550,000 1,550,000 1,550,000 1,630,000 1,630,000 1,630,000 2,630,000 2,630,000 2,630,000 2,630,000 2,630,000 2,630,000 2,630,000 2,630,000 2,630,000 2,630,000 2,642,000 2,705,000 2,705,000 2,717,000 2,737,000 2,739,000 2,738,000 2,739,000 2,737,000 2,739,000 2,741,000 2,867,000 2,868,000 2,866,000 2,871,000 2,869,000 2,997,000 2,786,000 2,749,000 2,749,000 4,395,000 1,726,000 1,726,000 1,752,000 1,803,000 1,904,000 1,903,000 1,455,000 1,439,000 1,454,000 1,455,000 1,447,000 1,397,000 1,298,000 1,300,000 1,301,000 1,300,000 1,300,000 1,300,000 1,300,000 1,541,000 1,540,000 1,540,000 
      income from operations
    19,327,000 14,084,000 36,995,000 3,202,000 12,973,000 45,855,000 36,303,000 -6,422,000 12,644,000 11,501,000 34,561,000 -13,797,000 16,655,000 19,458,000 25,579,000 -2,939,000 12,990,000 10,386,000 24,111,000 3,648,000 27,888,000 17,563,000 -112,394,000 -8,197,000 24,992,000 19,933,000 38,087,000 3,561,000 24,550,000 15,460,000 32,440,000 1,010,000 25,422,000 19,965,000 25,322,000 -618,000 22,655,000 16,488,000 28,483,000 1,492,000 23,876,000 26,556,000 23,802,000 3,117,000 24,759,000 18,645,000 24,480,000 4,333,000 2,864,000 11,384,000  5,215,000 16,052,000  8,648,000 18,278,000 1,844,000 6,810,000 9,655,000  
      yoy
    48.98% -69.29% 1.91% -149.86% 2.60% 298.70% 5.04% -53.45% -24.08% -40.89% 35.11% 369.45% 28.21% 87.35% 6.09% -180.56% -53.42% -40.86% -121.45% -144.50% 11.59% -11.89% -395.10% -330.19% 1.80% 28.93% 17.41% 252.57% -3.43% -22.56% 28.11% -263.43% 12.21% 21.09% -11.10% -141.42% -5.11% -37.91% 19.67% -52.13% -3.57% 42.43% -2.77% -28.06% 764.49% 63.78%  -16.91% -82.16%   -71.47% 770.50%  -10.43%      
      qoq
    37.23% -61.93% 1055.37% -75.32% -71.71% 26.31% -665.29% -150.79% 9.94% -66.72% -350.50% -182.84% -14.41% -23.93% -970.33% -122.63% 25.07% -56.92% 560.94% -86.92% 58.79% -115.63% 1271.16% -132.80% 25.38% -47.66% 969.56% -85.49% 58.80% -52.34% 3111.88% -96.03% 27.33% -21.16% -4197.41% -102.73% 37.40% -42.11% 1809.05% -93.75% -10.09% 11.57% 663.62% -87.41% 32.79% -23.84% 464.97% 51.29% -74.84%   -67.51%   -52.69% 891.21% -72.92% -29.47%   
      operating margin %
    10.47% 8.69% 19.04% 2.78% 9.04% 35.44% 18.16% -6.71% 9.42% 7.98% 16.67% -16.71% 10.42% 11.71% 13.64% -2.86% 8.49% 8.14% 15.31% 3.53% 17.63% 13.13% -93.63% -12.02% 15.59% 14.05% 21.60% 3.82% 16.17% 12.38% 19.85% 1.20% 18.43% 15.93% 18.17% -0.86% 17.41% 13.34% 25.04% 3.06% 20.10% 22.03% 22.22% 5.78% 24.75% 23.65% 27.75% 11.91% 5.50% 20.64% 0% 13.81% 24.51% 0% 16.17% 25.54% 7.85% 14.35% 14.58% 0% 
      interest expense
    -2,995,000 -3,762,000 -2,973,000 -2,384,000 -3,144,000 -4,469,000 -4,123,000 -3,524,000 -4,468,000 -4,607,000 -3,736,000 -2,864,000 -3,401,000 -3,266,000 -2,473,000 -2,113,000 -2,325,000 -2,167,000 -4,372,000 -2,975,000 -4,529,000 -5,007,000 -5,662,000 -5,040,000 -4,172,000 -4,271,000 -4,189,000 -4,150,000 -4,523,000 -4,379,000 -4,096,000 -3,945,000 -3,988,000 -4,860,000 -4,192,000 -5,296,000 -4,942,000 -4,518,000 -2,863,000 -2,872,000 -2,838,000 -2,824,000 -2,779,000 -2,454,000 -2,122,000 -2,037,000 -1,998,000 -1,972,000             
      debt modification expense
       -176,000                 -113,000 -237,000 -3,192,000                                      
      loss on extinguishment of debt
       -156,000               -4,936,000                                          
      other income
    127,000 90,000 123,000 4,000 138,000 354,000  3,000 -4,750 35,000 -89,000 35,000 -233,000 -17,000 -16,000 127,000 105,000 15,000 116,000  124,000 145,000                                      6,000 
      income before taxes
    16,459,000 10,412,000 34,145,000 490,000 9,967,000 41,740,000 32,127,000  8,195,000 6,929,000 30,736,000  13,021,000 16,175,000 23,090,000 -4,925,000 10,770,000 8,234,000 14,919,000 665,000 23,370,000 12,464,000 -121,315,000  14,062,000 15,542,000 33,773,000  19,748,000 11,069,000 28,080,000  21,451,000 15,081,000 22,354,000 -5,971,000 17,666,000 11,873,000 25,551,000 8,606,000 21,034,000 23,672,000 20,954,000 603,000 20,682,000 16,555,000 22,417,000 2,343,000 694,000 9,261,000  3,091,000 13,719,000  6,291,000 15,389,000     
      income tax expense
    3,624,000 2,452,000 8,191,000 342,000 2,060,000 9,482,000 7,789,000  1,118,000 1,137,000 6,772,000  1,509,000 2,895,000 5,365,000  1,954,000 1,204,000 816,000  5,208,000 3,234,000 -17,456,000  2,502,000 3,113,000 8,299,000  5,052,000 1,148,000 6,916,000  -13,077,000 5,754,000 7,608,000 -2,694,000 7,565,000 4,571,000 9,223,000 3,328,000 5,893,000 8,124,000 7,850,000 220,000 7,651,000 5,793,000 7,824,000 768,000 91,000 3,352,000  745,000 4,747,000  2,324,000 5,666,000 325,000 2,279,000   
      net income
    12,835,000 7,960,000 25,954,000 148,000 7,907,000 32,258,000 24,338,000 -8,352,000 7,077,000 5,792,000 23,964,000 -13,110,000 11,512,000 13,280,000 17,725,000 -3,908,000 8,816,000 7,030,000 14,103,000 742,000 18,162,000 9,230,000 -103,859,000 -10,086,000 11,560,000 12,429,000 25,474,000 -297,000 14,696,000 9,921,000 21,164,000 -1,876,000 34,528,000 9,327,000 14,746,000 -3,277,000 10,101,000 7,302,000 16,328,000 5,278,000 15,141,000 15,548,000 13,104,000 383,000 13,031,000 10,762,000 14,593,000 1,575,000 603,000 5,909,000 -3,404,000 2,346,000 8,972,000 -4,268,000 3,967,000 9,723,000 -800,000 2,185,000 75,000 -5,719,000 
      yoy
    62.32% -75.32% 6.64% -101.77% 11.73% 456.94% 1.56% -36.29% -38.53% -56.39% 35.20% 235.47% 30.58% 88.90% 25.68% -626.68% -51.46% -23.84% -113.58% -107.36% 57.11% -25.74% -507.71% 3295.96% -21.34% 25.28% 20.36% -84.17% -57.44% 6.37% 43.52% -42.75% 241.83% 27.73% -9.69% -162.09% -33.29% -53.04% 24.60% 1278.07% 16.19% 44.47% -10.20% -75.68% 2061.03% 82.13% -528.70% -32.86% -93.28% -238.45% -185.81% -75.87% -1221.50% -295.33% 5189.33% -270.01%     
      qoq
    61.24% -69.33% 17436.49% -98.13% -75.49% 32.54% -391.40% -218.02% 22.19% -75.83% -282.79% -213.88% -13.31% -25.08% -553.56% -144.33% 25.41% -50.15% 1800.67% -95.91% 96.77% -108.89% 929.73% -187.25% -6.99% -51.21% -8677.10% -102.02% 48.13% -53.12% -1228.14% -105.43% 270.19% -36.75% -549.98% -132.44% 38.33% -55.28% 209.36% -65.14% -2.62% 18.65% 3321.41% -97.06% 21.08% -26.25% 826.54% 161.19% -89.80% -273.59% -245.10% -73.85% -310.22% -207.59% -59.20% -1315.38% -136.61% 2813.33% -101.31%  
      net income margin %
    6.96% 4.91% 13.36% 0.13% 5.51% 24.93% 12.17% -8.73% 5.27% 4.02% 11.56% -15.88% 7.20% 8.00% 9.45% -3.81% 5.76% 5.51% 8.95% 0.72% 11.48% 6.90% -86.52% -14.79% 7.21% 8.76% 14.44% -0.32% 9.68% 7.95% 12.95% -2.23% 25.03% 7.44% 10.58% -4.54% 7.76% 5.91% 14.35% 10.82% 12.74% 12.90% 12.23% 0.71% 13.02% 13.65% 16.54% 4.33% 1.16% 10.71% -24.07% 6.21% 13.70% -49.86% 7.42% 13.59% -3.41% 4.61% 0.11% -39.05% 
      weighted-average number of common shares outstanding:
                                                                
      basic
     23,040,878,000 23,131,151,000 23,121,555,000  23,094,047,000 23,094,047,000 23,009,369,000  22,983,965,000 22,974,508,000 22,906,845,000  22,886,793,000 22,907,414,000 22,982,538,000  22,980,951,000 22,973,391,000 22,881,416,000  22,857,457,000 22,857,457,000 22,813,256,000  22,795,412,000 22,795,412,000 22,729,084,000  22,700,991,000 22,700,991,000 22,623,518,000  22,590,897,000 22,590,897,000 22,532,027,000  22,501,640,000 22,501,640,000 22,417,337,000  22,362,787,000 22,330,740,000 22,247,802,000  22,197,609,000 22,174,256,000 22,103,167,000 22,053,555,000 22,038,161,000 21,971,055,000 21,922,173,000 21,906,622,000 21,826,701,000 21,760,753,000 21,661,662,000 21,414,029,000   14,421,736,000 
      diluted
     23,570,707,000 23,674,029,000 23,121,555,000  23,577,883,000 23,094,047,000 23,009,369,000  22,983,965,000 22,974,508,000 22,906,845,000  22,886,793,000 22,907,414,000 22,982,538,000  22,992,793,000 22,985,233,000 22,901,979,000  22,878,002,000 22,857,457,000 22,813,256,000  22,832,170,000 22,830,145,000 22,729,084,000  22,726,517,000 22,717,592,000 22,623,518,000  22,604,921,000 22,605,208,000 22,532,027,000  22,501,640,000 22,501,640,000 22,417,337,000  22,373,351,000 22,351,981,000 22,269,022,000  22,218,052,000 22,194,214,000 22,122,669,000 22,080,037,000 22,064,053,000 21,971,055,000 21,979,015,000 21,962,098,000 21,826,701,000 21,838,062,000 21,768,385,000 21,414,029,000   14,421,736,000 
      earnings per common share:
                                                                
      basic
    550 340 1,100 10 340 1,370 1,030  177.5 250 1,020  290 570 760 -180 235 300 600 30 -1,150 400 -4,550  407.5 540 1,100  317.5 430 920  227.5 410 640 -140 317.5 320 720 230 320 690 580 20 300 480 650 70 30 260  110 410  180      
      diluted
    540 330 1,090  320 1,360 1,020  172.5 240 1,010  285 560 750 -180 230 300 600 30 -1,150 390 -4,550  402.5 530 1,100  315 430 910  225 400 640 -140 315 320 710 230 317.5 680 570 10 297.5 470 640 70 20 260  100 400  180      
      cash dividends declared and paid per share
    0.29 0.3 0.3 0.3 0.29 0.3 0.3 0.3 0.29 0.3 0.3 0.3 0.29 0.29 0.29 0.29 0.28 0.29 0.29 0.29 0.28 0.28 0.28 0.28 0.27 0.27 0.27 0.27 0.26 0.27 0.27 0.27 0.24 0.24 0.24 0.24 0.23 0.24 0.24 0.24 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.22 0.21 0.21 0.21 0.21 0.21 0.21 0.2  0.57    
      comprehensive income
    8,247.75 7,559 25,735  11,521.25 30,214 23,883  4,070.75 5,651 25,331 -14,699 9,134.75 17,032 19,177 330 5,970 7,611 15,021 1,248 -27,009.5 9,719 -103,377  8,279 11,361 23,075  7,947.25 10,709 22,132  5,147.5 9,396 14,505 -3,311 6,850 7,321 15,875 4,204 7,076.75 14,553 14,025 -271 6,743.5 10,778 14,608 1,588 802 6,279  2,371 8,971        
      comprehensive loss
       -303    -8,012                -14,380    -1,319    -1,052                   -3,365   -4,279       
      other expense
          -53,000             -8,000   -67,000 -111,000 -349,000 -120,000 -125,000 -171,000 -279,000 -12,000 -264,000 -203,000 17,000 -24,000 -51,000 -57,000 -47,000 -97,000 -69,000 -64,000 -4,000 -60,000 -69,000 -60,000 -85,000 -53,000 -65,000 -18,000             
      loss before taxes
           -9,943,000    -16,626,000            -13,348,000    -760,000    -3,138,000                             
      income tax benefit
           -1,591,000    -3,516,000    -1,017,000    -77,000    -3,262,000    -463,000    -1,262,000                             
      loss per common share:
                                                                
      basic
           -370    -580            -440    -10    -80                             
      diluted
           -370    -580            -440    -10    -80                             
      litigation proceeds
                                      1,275,000     10,050,000                     
      less net income attributable to participating securities
                                       -44,000 97,500 101,000 223,000 70,000 101,250 214,000 186,000 5,000 99,250 155,000 221,000 23,000 9,000 88,000  19,000 94,000  51,000 114,000     
      net income attributable to common shareholders
                                       -3,233,000 9,951,000 7,201,000 16,105,000 5,208,000 14,942,000 15,334,000 12,918,000 378,000 12,819,000 10,607,000 14,372,000 1,552,000 594,000 5,821,000  2,327,000 8,878,000  3,916,000 9,609,000     
      loss recognized on assets held for sale
                                                  67,000              
      impairment of assets held for sale
                                                      647,000          
      less net loss attributable to participating securities
                                                                
      net loss attributable to common shareholders
                                                      -3,361,000   -4,214,000   -790,000    
      loss per share:
                                                                
      basic
                                                      -0.15   -0.19   -0.04   -0.4 
      diluted
                                                      -0.15   -0.19   -0.04   -0.4 
      management fees-related party
                                                          11,000 9,000 16,000 57,000 5,966,000 347,000 
      earnings per share:
                                                                
      basic
                                                           0.44     
      diluted
                                                           0.44     
      cash dividends declared and paid per share:
                                                           0.2     
      income (loss) before taxes
                                                             4,464,000   
      weighted average number of common shares outstanding:
                                                                
      basic
                                                             21,158,573,000 18,236,818,000  
      diluted
                                                             21,546,767,000 18,520,117,000  
      earnings (loss) per share:
                                                                
      basic
                                                             0.1   
      diluted
                                                             0.1   
      cash dividends declared & paid per share
                                                             0.18   
    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 2016-09-30 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 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 
                                                                  
        assets
                                                                  
        current assets:
                                                                  
        cash and cash equivalents
      8,297,000 10,645,000 7,980,000 7,207,000 5,119,000 8,413,000 4,196,000 1,974,000 24,156,000 11,088,000 3,384,000 2,900,000 20,670,000 2,843,000 6,041,000 8,212,000 36,964,000 7,340,000 15,175,000 35,524,000 41,030,000 14,285,000 34,932,000 27,141,000 35,665,000 4,870,000 5,011,000 348,000 27,820,000   12,937,000 19,864,000 1,482,000 4,290,000 7,950,000 303,000 48,666,000 48,394,000 36,844,000 3,873,000 12,349,000 20,800,000 24,195,000 4,289,000 7,071,000 10,548,000 19,864,000 3,975,000 2,084,000 11,073,000 1,842,000 3,790,000 14,212,000 3,084,000 165,000 19,534,000 8,721,000 9,981,000 69,377,000 
        accounts receivable
      97,561,000 173,462,000 141,167,000 69,219,000 87,407,000 153,096,000 140,198,000 58,580,000 83,760,000 165,302,000 139,354,000 48,223,000 86,765,000 165,266,000 127,890,000 43,058,000 71,035,000 124,135,000 92,127,000 45,149,000 83,195,000 123,192,000 76,827,000 48,096,000 87,871,000 153,231,000 114,700,000 55,282,000 81,485,000 128,164,000 95,038,000 41,130,000  117,536,000 80,076,000 41,865,000 120,234,000 66,617,000 28,965,000 67,707,000 118,538,000 61,610,000 23,907,000 60,918,000 96,569,000 51,299,000 13,490,000  71,269,000 38,497,000 11,299,000 70,678,000 50,613,000 7,616,000 83,006,000 56,381,000 8,970,000 82,397,000 58,645,000 9,599,000 
        inventories
      149,656,000 138,743,000 153,286,000 171,472,000 137,034,000 145,362,000 139,419,000 174,768,000 140,390,000 147,246,000 148,912,000 184,583,000 136,501,000 133,799,000 131,518,000 143,839,000 104,019,000 100,134,000 93,947,000 99,873,000 79,482,000 93,721,000 99,780,000 112,370,000 77,942,000 90,406,000 93,916,000 111,225,000 81,996,000 89,444,000 84,633,000 94,924,000  77,447,000 85,913,000 98,360,000 71,607,000 60,296,000 73,729,000 51,584,000 55,245,000 63,785,000 70,953,000 48,248,000 36,418,000 38,579,000 46,879,000  35,964,000 42,407,000 45,099,000 30,380,000 32,825,000 46,741,000 27,067,000 30,905,000 40,129,000 24,475,000 25,624,000 39,271,000 
        inventories - truck chassis floor plan
      4,184,000 19,734,000 20,216,000 21,174,000 2,612,000 3,459,000 3,739,000 3,132,000 2,217,000 4,459,000 5,264,000 1,213,000 1,211,000 564,000 1,052,000 1,469,000 2,655,000 7,916,000 6,999,000 12,112,000 8,146,000 11,306,000 6,663,000 8,774,000 6,539,000 19,709,000 9,692,000 7,382,000 4,204,000 9,495,000 3,658,000 4,555,000  6,034,000 8,721,000 6,938,000 6,733,000                        
        refundable income taxes paid
      920,000      918,000 6,220,000 4,817,000   3,408,000    1,473,000 1,222,000 2,552,000 313,000   1,441,000 103,000 974,000  171,000  2,041,000  1,476,000  2,000   1,009,000 5,412,000   433,000 4,850,000   3,988,000    3,285,000  4,328,000 5,492,000 8,220,000          
        prepaid and other current assets
      5,415,000 5,952,000 4,100,000 5,181,000 6,053,000 5,738,000 5,342,000 6,544,000 6,898,000 9,034,000 7,677,000 7,280,000 7,774,000 7,491,000 4,012,000 4,830,000 4,536,000 5,552,000 4,520,000 5,209,000 5,334,000 4,739,000 4,714,000 5,168,000 3,511,000 4,163,000 3,684,000 3,723,000 3,590,000 3,562,000 2,931,000 3,164,000  3,417,000 2,829,000 3,511,000 4,435,000 1,695,000 2,298,000 2,104,000 2,104,000 1,235,000 1,405,000 2,156,000 1,539,000 915,000 1,448,000  1,568,000 1,110,000 1,382,000 1,501,000 1,194,000 1,281,000 1,164,000 909,000 792,000 1,336,000 964,000 1,924,000 
        total current assets
      266,033,000 348,536,000 326,749,000 274,253,000 238,225,000 316,068,000 293,812,000 251,218,000 262,238,000 337,129,000 304,591,000 247,607,000 252,921,000 309,963,000 270,513,000 202,881,000 220,431,000 247,629,000 213,081,000 197,867,000 217,187,000 248,684,000 223,019,000 202,523,000 211,528,000 272,550,000 227,003,000 180,001,000 199,095,000 232,141,000 186,260,000 156,712,000 94,149,000 205,916,000 182,838,000 164,036,000 209,467,000 183,429,000 159,974,000 169,243,000 185,589,000 144,697,000 126,771,000 142,521,000 142,956,000 102,033,000 79,847,000 98,372,000 120,740,000 93,249,000 80,759,000 110,557,000 93,382,000 78,408,000 119,057,000 95,541,000 77,827,000 127,254,000 106,570,000 129,055,000 
        property, plant and equipment
      44,764,000    41,311,000    67,340,000    68,660,000    66,787,000    64,320,000    58,444,000    55,195,000           42,636,000    37,546,000                 
        goodwill
      116,779,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 113,134,000 241,006,000 241,006,000 241,006,000 241,006,000 241,006,000 241,006,000 241,006,000 241,006,000 241,006,000  240,906,000 240,627,000 238,286,000 233,088,000 160,932,000 160,932,000 160,932,000 160,661,000 160,962,000 160,962,000 160,962,000 113,132,000 113,132,000 113,132,000  112,944,000 114,044,000 107,222,000 107,222,000 107,222,000 107,222,000 107,222,000 107,222,000 107,222,000 107,222,000 107,222,000 107,222,000 
        other intangible assets
      116,269,000 108,900,000 110,450,000 112,000,000 113,550,000 115,180,000 116,810,000 118,440,000 121,070,000 123,699,000 126,329,000 128,959,000 131,589,000 134,219,000 136,849,000 139,479,000 142,109,000 144,739,000 147,382,000 150,086,000 152,791,000 155,508,000 158,245,000 160,984,000 163,722,000 166,461,000 169,198,000 171,937,000 174,678,000 177,545,000 180,413,000 183,279,000  189,019,000 192,014,000 192,102,000 202,000,000 124,195,000 125,921,000 127,647,000 129,399,000 131,202,000 133,106,000 135,009,000 119,074,000 120,513,000 121,967,000  125,355,000 125,712,000 115,250,000 117,846,000 119,146,000 120,447,000 123,047,000 124,348,000 125,648,000 128,328,000 129,870,000 131,410,000 
        operating leases - right of use asset
      68,972,000    70,801,000    18,008,000    17,432,000    18,462,000    21,441,000    22,557,000                                    
        non-qualified benefit plan assets
      12,038,000 11,884,000 11,362,000 10,562,000 10,482,000 10,589,000 10,002,000 9,976,000 9,195,000 9,148,000 9,482,000 9,158,000 8,874,000 8,340,000 8,726,000 10,140,000 10,347,000 9,837,000 9,937,000 9,376,000 9,041,000                                        
        other long-term assets
      1,846,000 1,500,000 1,653,000 2,029,000 2,480,000 2,012,000 3,247,000 3,441,000 2,433,000 4,384,000 3,871,000 2,555,000 4,281,000 5,213,000 1,939,000 1,927,000 1,206,000 1,203,000 1,298,000 1,333,000 1,288,000 9,311,000 8,915,000 7,926,000 8,438,000 7,925,000 7,949,000 7,721,000 6,219,000 7,750,000 6,882,000 6,728,000  5,531,000 5,404,000 5,078,000 4,222,000 3,521,000 3,499,000 2,708,000 2,634,000 2,880,000 2,492,000 1,920,000 1,806,000 1,837,000 1,796,000  1,193,000 1,145,000 1,151,000 599,000 582,000 598,000 9,000 158,000 158,000 941,000 942,000 942,000 
        total assets
      626,701,000 694,936,000 671,471,000 621,040,000 589,983,000 665,587,000 616,967,000 577,076,000 593,418,000 671,945,000 641,200,000 585,288,000 596,891,000 654,787,000 613,484,000 550,460,000 572,476,000 600,234,000 568,923,000 556,602,000 579,202,000 611,264,000 584,887,000 692,536,000 705,695,000 766,909,000 723,876,000 676,019,000 676,193,000 712,740,000 668,687,000 640,639,000 357,900,000 694,070,000 673,509,000 651,213,000 700,062,000 516,754,000 492,744,000 505,503,000 521,843,000 480,841,000 463,665,000 480,443,000 404,389,000 365,247,000 345,230,000 362,123,000 388,325,000 362,908,000 328,130,000 360,975,000 345,864,000 332,649,000 375,894,000 354,085,000 334,942,000 388,866,000 370,769,000 397,522,000 
        liabilities and shareholders' equity
                                                                  
        current liabilities:
                                                                  
        accounts payable
      38,687,000 40,017,000 39,613,000 42,864,000 32,319,000 35,278,000 27,757,000 24,125,000 31,374,000 41,596,000 22,686,000 23,081,000 49,252,000 26,104,000 18,092,000 17,218,000 27,375,000 16,861,000 19,385,000 19,844,000 16,284,000 20,068,000 18,743,000 17,224,000 16,113,000 16,995,000 18,471,000 16,443,000 18,703,000 15,280,000 16,811,000 15,590,000  15,437,000 19,568,000 15,131,000 14,847,000 14,189,000 10,250,000 14,555,000 13,467,000 10,601,000 10,252,000 9,753,000 4,967,000 5,472,000 4,948,000  3,781,000 3,701,000 2,521,000 2,101,000 4,513,000 3,391,000 3,832,000 4,966,000 5,093,000 6,545,000 6,437,000 3,885,000 
        accrued expenses and other current liabilities
      33,406,000 32,898,000 31,026,000 23,532,000 26,182,000 31,200,000 29,783,000 23,580,000 25,817,000 29,009,000 30,276,000 22,086,000 30,484,000 33,660,000 32,140,000 27,243,000 36,126,000 32,652,000 33,323,000 27,363,000 30,831,000 28,670,000 25,845,000 22,135,000 26,496,000 27,613,000 23,882,000 18,410,000 23,306,000 28,360,000 23,877,000 18,050,000  20,749,000 23,332,000 19,123,000 35,838,000 19,056,000 16,909,000 25,549,000 24,773,000 25,263,000 20,679,000 33,670,000 20,397,000 17,303,000 12,205,000  13,652,000 12,058,000 8,686,000 11,071,000 13,034,000 8,487,000 14,074,000 13,522,000 8,901,000 12,097,000 11,794,000 9,531,000 
        floor plan obligations
      4,184,000 19,734,000 20,216,000 21,174,000 2,612,000 3,459,000 3,739,000 3,132,000 2,217,000 4,459,000 5,264,000 1,213,000 1,211,000 564,000 1,052,000 1,469,000 2,655,000 7,916,000 7,049,000 12,029,000 7,885,000 11,028,000 6,663,000 8,774,000 6,539,000 19,709,000 9,692,000 7,382,000 4,204,000 9,495,000 3,658,000 4,555,000  6,034,000 8,721,000 6,938,000 6,733,000                        
        operating lease liability - current
      7,154,000 7,023,000 7,268,000 7,185,000 7,394,000 6,848,000 5,559,000 5,309,000 5,347,000 5,149,000 5,023,000 4,888,000 4,862,000 4,748,000 4,416,000 4,483,000 4,623,000 4,623,000 4,588,000 4,359,000 4,326,000 4,297,000 4,085,000 3,770,000 3,822,000 3,626,000 3,480,000 3,335,000                                 
        income tax payable
          1,685,000        3,485,000        5,214,000    2,990,000    106,000               642,000                 
        short-term borrowings
      5,000,000        47,000,000                                              24,000,000   37,000,000 20,000,000 6,000,000 
        current portion of long-term debt
      7,416,000 7,416,000 7,416,000 7,416,000   15,200,000 10,981,000 6,762,000 2,544,000 11,137,000 11,137,000 11,137,000 11,137,000 11,137,000 11,137,000 11,137,000 11,137,000 11,137,000 1,459,000 1,666,000 1,972,000 1,972,000 1,938,000 22,143,000 2,143,000 2,143,000 2,749,000 32,749,000 2,749,000 2,749,000 2,749,000  2,749,000 2,765,000 2,829,000 2,829,000 1,629,000 1,629,000 1,629,000 1,629,000 1,629,000 1,629,000 1,629,000 971,000 971,000 971,000  971,000 971,000 971,000 971,000 971,000 971,000 1,071,000 1,071,000 1,183,000 1,250,000 1,250,000 850,000 
        total current liabilities
      95,847,000 173,685,000 154,669,000 115,783,000 70,192,000 147,514,000 145,038,000 122,127,000 118,517,000 187,737,000 151,042,000 114,405,000 100,431,000 161,792,000 128,685,000 73,550,000 81,916,000 110,189,000 75,482,000 69,642,000 66,206,000 78,035,000 57,308,000 83,841,000 78,103,000 127,086,000 89,939,000 64,319,000 79,068,000 93,884,000 49,449,000 40,944,000 36,098,000 69,409,000 57,386,000 44,021,000 89,628,000 40,302,000 28,788,000 41,733,000 70,038,000 39,853,000 32,560,000 45,694,000 60,444,000 28,440,000 18,124,000 36,098,000 68,404,000 44,730,000 12,178,000 37,143,000 20,554,000 12,849,000 43,329,000 23,047,000 15,200,000 56,922,000 39,505,000 22,723,000 
        retiree benefits and deferred compensation
      14,947,000 13,576,000 13,515,000 13,309,000 13,616,000 15,036,000 14,669,000 14,722,000 13,922,000 14,462,000 15,770,000 15,526,000 14,650,000 15,099,000 15,750,000 17,248,000 17,170,000 17,245,000 17,256,000 16,850,000 15,804,000                                        
        deferred income taxes
      33,104,000 30,231,000 24,717,000 24,605,000 24,574,000 25,418,000 27,660,000 27,999,000 27,903,000 27,660,000 28,575,000 28,713,000 29,837,000 30,679,000 30,838,000 30,767,000 29,789,000 27,553,000 27,158,000 27,005,000 26,681,000 28,655,000 27,458,000 45,961,000 47,211,000 48,640,000 48,690,000 49,208,000 48,198,000 46,447,000 42,854,000 41,018,000  59,027,000 57,609,000 55,336,000 6,155,000 6,155,000 6,155,000 6,154,000 5,829,000 5,718,000 5,718,000 7,004,000 4,141,000 4,169,000 4,197,000  3,636,000 3,659,000 3,686,000 4,945,000 4,960,000 4,959,000 3,721,000 7,181,000 7,142,000 3,729,000 3,729,000 3,729,000 
        long-term debt, less current portion
      135,162,000 136,930,000 138,698,000 140,467,000 146,679,000 146,502,000 173,125,000 177,141,000 181,491,000 185,562,000 189,632,000 192,298,000 195,299,000 197,988,000 200,677,000 203,367,000 206,058,000 208,747,000 211,436,000 216,588,000 236,676,000 265,920,000 266,336,000 222,008,000 222,081,000 242,411,000 242,741,000 242,465,000 242,946,000 273,428,000 273,909,000 274,391,000  305,354,000 305,819,000 306,240,000 307,293,000 181,919,000 182,214,000 184,843,000 185,250,000 185,657,000 186,064,000 186,471,000 109,295,000 109,537,000 109,780,000  110,266,000 110,509,000 110,752,000 111,237,000 111,480,000 111,723,000 122,134,000 122,714,000 119,675,000 120,575,000 120,888,000 231,600,000 
        operating lease liability - noncurrent
      60,134,000 59,480,000 60,937,000 62,636,000 64,785,000 63,802,000 12,825,000 12,596,000 13,887,000 13,261,000 12,696,000 12,951,000 14,025,000 13,726,000 13,302,000 14,329,000 15,408,000 14,840,000 15,516,000 16,380,000 17,434,000 18,466,000 18,638,000 18,010,000 18,981,000 18,813,000 19,023,000 18,222,000                                 
        other long-term liabilities
      6,061,000 5,707,000 5,671,000 5,355,000 5,922,000 6,559,000 6,993,000 5,333,000 6,133,000 6,331,000 5,325,000 4,995,000 5,547,000 5,065,000 4,577,000 4,108,000 7,525,000 11,431,000 12,836,000 13,510,000 16,197,000 25,681,000 24,178,000 23,230,000 19,818,000 20,944,000 20,256,000 17,065,000 14,856,000 14,355,000 15,498,000 16,248,000  16,522,000 13,480,000 16,270,000 14,507,000 9,416,000 8,207,000 6,004,000 6,645,000 5,056,000 6,164,000 5,458,000 4,428,000 4,515,000 6,127,000  5,612,000 1,829,000 1,922,000 1,537,000 1,553,000 1,554,000 1,004,000 525,000 404,000 2,110,000 2,110,000 2,110,000 
        commitments and contingencies
                                                                  
        shareholders' equity:
                                                                  
        common stock
      231,000 230,000 230,000 232,000 231,000 231,000 231,000 231,000 230,000 230,000 230,000 230,000 229,000 229,000 229,000 230,000 230,000 230,000 230,000 230,000 229,000 229,000 229,000 229,000 228,000 228,000 228,000 228,000 227,000 227,000 227,000 227,000  226,000 226,000 226,000 225,000 225,000 225,000 224,000 224,000 224,000 224,000 223,000 223,000 223,000 223,000  222,000 222,000 222,000 221,000 221,000 221,000 220,000 220,000 218,000 214,000 213,000 144,000 
        additional paid-in capital
      170,653,000 169,155,000 167,636,000 172,080,000 170,092,000 168,859,000 168,065,000 165,587,000 165,233,000 168,516,000 168,516,000 165,237,000 164,281,000 163,115,000 162,605,000 162,451,000 163,552,000 163,782,000 163,777,000 159,722,000 157,758,000 157,696,000 157,497,000 156,296,000 155,001,000 154,823,000 154,298,000 152,816,000 151,813,000 151,443,000 151,428,000 148,683,000  146,536,000 145,894,000 145,136,000 143,883,000 143,361,000 142,838,000 141,626,000 141,091,000 140,221,000 139,365,000 138,268,000 137,543,000 136,997,000 136,450,000  134,935,000 134,370,000 133,869,000 132,606,000 131,812,000 131,271,000 130,178,000 129,714,000 128,584,000 126,831,000 125,663,000 59,973,000 
        retained earnings
      107,381,000 101,541,000 100,596,000 81,552,000 88,420,000 87,469,000 62,120,000 44,644,000 59,746,000 59,421,000 60,508,000 43,394,000 63,464,000 58,705,000 52,184,000 41,225,000 51,881,000 49,707,000 49,303,000 41,664,000 47,712,000 36,065,000 33,320,000 143,618,000 160,748,000 155,492,000 149,372,000 130,176,000 136,765,000 127,032,000 123,208,000 108,140,000  86,707,000 82,866,000 73,615,000 77,652,000 75,711,000 64,746,000 64,829,000 54,730,000 44,228,000 36,175,000 40,826,000 32,703,000 26,840,000 17,145,000  16,696,000 20,738,000 19,472,000 33,162,000 35,360,000 30,931,000 38,110,000 38,550,000 33,236,000 45,729,000 47,411,000 47,336,000 
        accumulated other comprehensive income, net of tax
      3,181,000 4,401,000 4,802,000 5,021,000 5,472,000 4,197,000 6,241,000 6,696,000 6,356,000 8,765,000 8,906,000 7,539,000 9,128,000 8,389,000 4,637,000 3,185,000                                             
        total shareholders' equity
      281,446,000    264,215,000    231,565,000    237,102,000    214,610,000    200,204,000    313,163,000    282,756,000    155,321,000       200,496,000    173,289,000    155,321,000             
        total liabilities and shareholders' equity
      626,701,000    589,983,000    593,418,000    596,891,000    572,476,000    579,202,000    705,695,000    676,193,000           505,503,000    480,443,000                 
        property, plant, and equipment
       42,453,000 41,703,000 40,791,000  39,309,000 62,765,000 64,180,000  67,306,000 67,417,000 67,461,000  66,938,000 66,171,000 65,635,000  64,612,000 64,332,000 64,402,000  62,169,000 59,114,000 58,542,000  56,764,000 56,396,000 53,817,000  54,298,000 54,126,000 52,914,000  52,698,000 52,626,000 51,711,000 51,285,000 44,677,000 42,418,000  41,073,000 38,514,000 37,648,000  25,639,000 25,806,000 25,332,000  24,648,000 25,168,000 20,013,000 20,246,000 20,874,000 20,999,000 21,282,000 21,298,000 21,482,000 22,183,000 24,951,000 25,884,000 
        operating lease - right of use asset
       68,529,000 66,420,000 68,271,000  69,295,000 17,197,000 16,687,000  17,145,000 16,376,000 16,414,000  16,980,000 16,152,000 17,264,000  19,080,000 19,759,000 20,404,000  22,458,000 22,460,000 21,555,000  22,203,000 22,324,000 21,537,000                                 
        liabilities and stockholders’ equity
                                                                  
        income taxes payable
       1,597,000 7,130,000 1,612,000  3,729,000    3,980,000 2,656,000   1,579,000 3,848,000     4,588,000       5,271,000    2,354,000   1,440,000   3,381,000 5,428,000   3,169,000 2,360,000   609,000 4,694,000       36,000   3,183,000     
        short term borrowings
       65,000,000 42,000,000 12,000,000  67,000,000 63,000,000 55,000,000  101,000,000 74,000,000 52,000,000  84,000,000 58,000,000 12,000,000  37,000,000    12,000,000  30,000,000  57,000,000 27,000,000 16,000,000  38,000,000    23,000,000 3,000,000  26,000,000    27,000,000    33,500,000    50,000,000 28,000,000  23,000,000 2,000,000        
        stockholders’ equity:
                                                                  
        total stockholders’ equity
       275,327,000 273,264,000 258,885,000  260,756,000 236,657,000 217,158,000  236,932,000 238,160,000 216,400,000  230,438,000 219,655,000 207,091,000  210,229,000 209,239,000 196,627,000  187,853,000 184,420,000 293,035,000  300,004,000 294,428,000 276,149,000  274,710,000 270,083,000 251,302,000  226,591,000 222,039,000 212,271,000 214,069,000 211,587,000 200,552,000  189,289,000 178,912,000 169,082,000  169,651,000 163,226,000 152,969,000  145,377,000 148,655,000 146,518,000 158,522,000 159,901,000 154,932,000 163,695,000 163,989,000 157,162,000 168,496,000  102,503,000 
        total liabilities and stockholders’ equity
       694,936,000 671,471,000 621,040,000  665,587,000 616,967,000 577,076,000  671,945,000 641,200,000 585,288,000  654,787,000 613,484,000 550,460,000  600,234,000 568,923,000 556,602,000  611,264,000 584,887,000 692,536,000  766,909,000 723,876,000 676,019,000  712,740,000 668,687,000 640,639,000  694,070,000 673,509,000 651,213,000 700,062,000 516,754,000 492,744,000  521,843,000 480,841,000 463,665,000  404,389,000 365,247,000 345,230,000  388,325,000 362,908,000 328,130,000 360,975,000 345,864,000 332,649,000 375,894,000 354,085,000 334,942,000    
        ​
                                                                  
        accumulated other comprehensive loss, net of tax
                      -1,053,000 -3,490,000 -4,071,000 -4,989,000 -5,495,000 -6,137,000 -6,626,000 -7,108,000 -2,814,000 -10,539,000 -9,470,000 -7,071,000 -6,049,000 -3,992,000 -4,780,000 -5,748,000  -6,878,000 -6,947,000 -6,706,000 -7,691,000 -7,710,000 -7,257,000 -6,183,000 -6,756,000 -5,761,000 -6,682,000 -6,028,000 -818,000 -834,000 -849,000              
        retiree health benefit obligation
                           6,654,000 6,549,000 6,451,000 6,338,000 6,531,000 6,436,000 6,345,000 6,240,000 7,113,000 7,010,000 6,913,000  7,547,000 7,431,000 7,312,000 6,966,000 6,855,000 6,767,000 6,656,000 7,036,000 6,980,000 6,881,000 6,774,000 4,866,000 4,820,000 4,729,000  6,568,000 6,496,000 6,421,000 8,116,000 8,167,000 8,144,000 7,515,000 7,430,000 7,366,000 7,801,000 7,661,000 8,002,000 
        pension obligation
                               2,480,000 2,363,000 2,246,000 2,129,000 2,803,000 9,884,000 9,823,000  9,620,000 9,745,000 9,763,000 9,932,000 10,117,000 10,641,000 10,839,000 11,831,000 11,898,000 12,119,000 12,316,000 6,029,000 6,310,000 6,591,000  14,367,000 14,428,000 14,678,000 13,083,000 13,949,000 14,127,000 10,381,000 10,329,000 10,277,000 8,926,000 8,775,000 9,017,000 
        fourth quarter
                                      42,600                            
        third quarter
                                      40,150                            
        second quarter
                                      33,600                            
        first quarter
                                      35,900                            
        selected balance sheet data
                                                                  
        total debt
                                      123,994,000               123,994,000             
        total liabilities
                                      202,579,000               206,802,000             
        deferred financing costs
                                             2,337,000 2,487,000 2,586,000 2,686,000 2,485,000 1,782,000 1,926,000 2,071,000  2,360,000 2,505,000 2,650,000 2,773,000 2,926,000 3,243,000 3,545,000 3,786,000 873,000 1,084,000 1,214,000 3,009,000 
        assets held for sale
                                                    1,085,000  1,085,000 1,085,000 1,085,000 1,732,000 1,732,000 1,732,000 1,732,000 1,732,000 1,732,000 1,854,000   
        deferred compensation
                                                 588,000 588,000 588,000 588,000  658,000 658,000 658,000 756,000 756,000 912,000 947,000 947,000 947,000 1,669,000 1,607,000 1,544,000 
        prepaid income taxes
                                                         1,211,000  3,599,000 1,015,000  1,260,000 6,596,000 7,627,000 5,051,000 
        accrued interest
                                                            352,000 305,000 23,000 30,000 24,000 2,457,000 
        stockholders’ notes receivable
                                                                  
        prepaid management fees-related party
                                                                 104,000 
        liabilities, redeemable stock and stockholders’ equity
                                                                  
        redeemable preferred stock - series a, par value 0.01, 65,000 shares authorized, no shares outstanding at september 30, 2010 and december 31, 2009
                                                                  
        redeemable preferred stock - series b, par value 0.01, no shares outstanding at september 30, 2010 and one share outstanding at december 31, 2009
                                                                  
        redeemable preferred stock - series c, par value 0.01, no shares outstanding at september 30, 2010 and one share outstanding at december 31, 2009
                                                                  
        total liabilities, redeemable stock and stockholders’ equity
                                                               388,866,000  397,522,000 
        liabilities, redeemable stock and stockholders' equity
                                                                  
        reedemable preferred stock - series a, par value 0.01, 65,000 shares authorized, no shares outstanding at june 30, 2010 and december 31, 2009
                                                                  
        reedemable preferred stock - series b, par value 0.01, no shares outstanding at june 30, 2010 and one share outstanding at december 31, 2009
                                                                  
        reedemable preferred stock - series c, par value 0.01, no shares outstanding at june 30, 2010 and one share outstanding at december 31, 2009
                                                                  
        stockholders' equity:
                                                                  
        stockholders' notes receivable
                                                                  
        total stockholders' equity
                                                                169,014,000  
        total liabilities, redeemable stock and stockholders' equity
                                                                370,769,000  
        reedemable preferred stock - series a, par value 0.01, 65,000 shares authorized, no shares outstanding at march 31, 2010 and december 31, 2009
                                                                  
        reedemable preferred stock - series b, par value 0.01, 1 share issued and outstanding at march 31, 2010 and december 31, 2009
                                                                 1,000 
        reedemable preferred stock - series c, par value 0.01, 1 share issued and outstanding at march 31, 2010 and december 31, 2009
                                                                 1,000 
      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 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 
                                                                    
          operating activities
                                                                    
          net income
        12,835,000 7,960,000 25,954,000 148,000 7,907,000 32,258,000   7,077,000 5,792,000   11,512,000 13,280,000 17,725,000 -3,908,000 8,816,000 7,030,000 14,103,000 742,000 18,162,000 9,230,000   11,560,000 12,429,000   14,696,000 9,921,000   34,528,000 9,327,000 14,746,000 -3,277,000 10,101,000 7,302,000 16,328,000 5,278,000 15,141,000 15,548,000 13,104,000 383,000 13,031,000 10,762,000 14,593,000 1,575,000 603,000   2,346,000   3,967,000   2,185,000   
          adjustments to reconcile net income to net cash from operating activities:
                                                                    
          depreciation and amortization
        3,885,000 3,825,000 3,826,000 3,823,000 3,861,000 4,277,000 4,407,000 5,345,000 5,482,000 5,381,000 5,442,000 5,357,000 5,312,000 5,233,000 5,204,000 5,189,000 5,081,000 5,022,000 5,200,000 5,013,000 5,033,000 4,907,000 4,903,000 4,894,000 4,877,000 4,728,000 4,799,000 4,808,000 4,870,000 4,784,000 4,730,000 4,701,000 4,769,000 4,803,000 4,527,000 4,485,000 4,525,000 6,012,000 3,096,000 3,109,000 3,088,000 3,070,000 3,068,000 3,055,000 2,340,000 2,311,000 2,295,000 2,279,000 2,251,000 2,134,000 2,015,000 1,995,000 2,002,000 2,001,000 2,044,000 2,055,000 2,047,000 2,804,000 3,087,000 3,557,000 
          amortization of deferred financing costs and debt discount
        107,000 107,000 106,000 169,000 177,000 177,000 202,000 147,000 148,000 148,000 147,000 145,000 124,000 123,000 123,000 121,000 124,000 124,000 254,000 392,000 450,000 309,000 302,000 303,000 304,000 303,000 304,000 303,000 303,000 304,000 303,000 304,000 303,000 304,000 304,000 303,000 308,000 279,000 180,000 183,000 218,000 167,000 168,000 167,000 190,000 190,000 189,000 190,000 190,000 189,000 189,000 198,000         
          debt modification expense
        176,000                                                       
          loss on extinguishment of debt
        156,000                                                      
          loss on disposal of fixed assets
                                                                   
          gain on sale leaseback transaction
                                                                   
          stock based compensation
                                                                    
          adjustments on derivatives not designated as hedges
                                                                    
          provision (credit) for losses on accounts receivable
                -9,000    -1,301,000                                                
          deferred income taxes
        3,611,000 5,514,000 112,000 31,000 -557,000 -2,241,000 -340,000 96,000 9,738,000 -915,000 -137,000 -1,125,000 -4,158,000 -159,000 71,000 978,000 746,000 395,000 153,000 324,000 -1,042,000 1,197,000 -18,503,000 -1,250,000 -2,565,000 -50,000 -518,000 1,010,000 2,373,000 3,593,000 1,836,000 1,749,000 -19,706,000 1,418,000 2,273,000 773,000 2,679,000 1,109,000 983,000 642,000 2,588,000 -699,000 1,690,000 2,228,000 -4,450,000 1,305,000 1,517,000 1,302,000 1,493,000 627,000 1,222,000 1,092,000 1,095,000 1,444,000 5,245,000 1,154,000 1,261,000 1,158,000 1,108,000 1,108,000 
          impairment charges
            1,224,000                                                   
          non-cash lease expense
        2,264,000 2,086,000 2,086,000 2,056,000 2,055,000 1,550,000 1,350,000 1,364,000 4,810,000 -768,000 37,000 1,018,000 -451,000 -829,000 1,112,000 1,198,000 -592,000 679,000 645,000 1,036,000                                         
          changes in operating assets and liabilities, net of acquisitions:
                                                                    
          accounts receivable
        80,081,000 -32,101,000 -72,106,000 18,030,000 65,515,000 -13,073,000 -81,791,000 25,001,000 81,550,000 -25,927,000 -91,306,000 38,367,000 79,803,000 -37,151,000 -84,807,000 27,902,000 53,552,000 -32,180,000 -47,146,000 37,867,000 39,694,000 -46,652,000 -29,018,000 39,014,000 64,987,000 -38,628,000 -60,202,000 26,096,000 46,594,000 -33,258,000 -54,040,000 40,193,000 38,365,000 -38,329,000 -37,786,000 36,596,000 40,078,000 -38,598,000 -37,812,000 38,751,000 50,696,000 -56,985,000 -37,758,000 36,953,000 50,196,000 -45,327,000 -37,847,000 28,777,000   14,013,000   26,290,000   27,758,000   22,524,000 
          inventories
        1,037,000 14,543,000 18,186,000 -34,438,000 8,328,000 -5,943,000 35,349,000 -34,378,000 6,857,000 1,666,000 35,671,000 -48,082,000 -2,702,000 -2,282,000 12,321,000 -39,820,000 -3,885,000 -6,236,000 6,058,000 -20,213,000 14,256,000 5,781,000 12,590,000 -34,428,000 12,464,000 3,510,000 17,309,000 -29,229,000 7,448,000 -4,811,000 10,291,000 -25,275,000 5,823,000 8,497,000 14,063,000 -27,489,000 2,578,000 6,739,000 13,433,000 -22,145,000 3,662,000 8,539,000 7,168,000 -24,661,000 4,478,000 2,161,000 8,300,000 -18,902,000          1,149,000   
          prepaid assets, refundable income taxes and other assets
        -1,752,000 -49,000 824,000 -1,782,000 3,256,000 -1,956,000 4,135,000 -3,250,000 -12,607,000 -1,484,000 3,457,000 -3,376,000 7,154,000 -6,366,000 3,693,000 -1,059,000 1,831,000 -3,070,000 -221,000 -254,000 -173,000 -1,759,000 336,000 -2,119,000                                     
          accounts payable
        -4,394,000 308,000 -3,473,000 10,953,000 -3,364,000 7,666,000 3,384,000 -6,695,000 -10,297,000 18,687,000 -622,000 -24,891,000 21,887,000 7,985,000 965,000 -9,315,000 9,880,000 -2,391,000 -418,000 3,347,000 -3,226,000 517,000 1,527,000 1,161,000 -968,000 -1,485,000 2,070,000 -2,179,000 3,911,000 -1,581,000 917,000 -208,000 69,000 -3,949,000 3,561,000 -2,168,000 1,650,000 -1,397,000 3,939,000 -4,305,000 1,088,000 2,866,000 349,000 499,000 -457,000 -505,000 524,000 -2,761,000       -1,134,000 -127,000 2,246,000 108,000   
          accrued expenses and other current liabilities
        -2,096,000 -3,660,000 13,104,000 -2,903,000 -7,062,000 5,146,000 6,206,000 -2,238,000 -7,175,000 58,000 10,845,000 -11,882,000 2,209,000 -749,000 8,744,000 -8,883,000 3,475,000 -582,000 1,243,000 -4,094,000 7,539,000 2,787,000 3,585,000 -7,334,000 2,073,000 -5,020,000 10,889,000 -1,451,000 -4,048,000 2,129,000 8,181,000 -5,950,000 2,412,000 718,000 3,947,000 -1,596,000 -4,386,000 2,017,000 7,575,000 -8,640,000 -2,469,000 4,365,000 7,244,000 -6,002,000 407,000 -1,391,000 9,510,000 -1,931,000 1,594,000      -2,584,000      
          benefit obligations, long-term liabilities and other
        -1,307,000 -8,375,000 -1,715,000 -63,000 -7,120,000 -734,000                                                       
          net cash from operating activities
        95,927,000 -8,516,000 -11,384,000 -1,337,000 74,404,000 -14,159,000 2,507,000 -21,621,000 76,617,000 2,079,000 -9,311,000 -56,916,000 114,516,000 -16,282,000 -32,211,000 -25,993,000 80,016,000 -32,622,000 -11,008,000 24,149,000 80,448,000 -21,058,000 3,056,000 -9,080,000 98,465,000 -20,849,000 5,257,000 -5,577,000 76,085,000 -28,895,000 -3,284,000 14,275,000 67,023,000 -14,006,000 9,064,000 4,273,000 58,709,000 -17,079,000 9,739,000 18,551,000 68,387,000 -22,353,000 -895,000 11,326,000 71,880,000 -30,390,000 2,033,000 10,224,000         11,765,000    
          investing activities
                                                                    
          capital expenditures
        -3,078,000 -2,929,000 -2,965,000 -2,161,000 -3,828,000 -1,231,000 -1,423,000 -1,328,000 -2,798,000 -2,433,000 -2,542,000 -2,748,000 -3,123,000 -3,344,000 -3,382,000 -2,198,000 -3,937,000 -2,685,000 -2,409,000 -2,177,000 -5,025,000 -4,417,000 -2,744,000 -2,304,000 -3,732,000 -2,350,000 -4,682,000 -769,000 -3,388,000 -2,223,000 -2,772,000 -1,307,000 -2,347,000 -2,070,000 -1,840,000 -1,306,000 -2,746,000 -2,290,000 -3,629,000 -1,165,000 -2,899,000 -3,826,000 -2,030,000 -1,254,000 -1,944,000 -705,000 -1,315,000 -1,290,000            
          free cash flows
        92,849,000 -11,445,000 -14,349,000 -3,498,000 70,576,000 -15,390,000 1,084,000 -22,949,000 73,819,000 -354,000 -11,853,000 -59,664,000 111,393,000 -19,626,000 -35,593,000 -28,191,000 76,079,000 -35,307,000 -13,417,000 21,972,000 75,423,000 -25,475,000 312,000 -11,384,000 94,733,000 -23,199,000 575,000 -6,346,000 72,697,000 -31,118,000 -6,056,000 12,968,000 64,676,000 -16,076,000 7,224,000 2,967,000 55,963,000 -19,369,000 6,110,000 17,386,000 65,488,000 -26,179,000 -2,925,000 10,072,000 69,936,000 -31,095,000 718,000 8,934,000         11,765,000    
          acquisition of business
                                         215,000        -3,887,000 -7,931,000                 
          proceeds from sale leaseback transaction
                                                                   
          proceeds from insurance recoveries
            86,000                                                        
          net cash from investing activities
        -29,405,000 -2,929,000 -2,965,000 -2,161,000 -3,742,000 63,285,000 -1,423,000 -1,328,000 -2,798,000 -2,433,000 -2,542,000 -2,748,000 -3,123,000 -3,344,000 -3,382,000 -2,198,000 -3,937,000 -2,685,000 -2,409,000 -2,177,000 -5,025,000 -4,417,000 -2,744,000 -2,304,000 -3,732,000 -2,350,000 -4,682,000 -769,000 -3,388,000 -2,223,000 -2,772,000 -1,307,000 -2,347,000 -1,855,000 -9,440,000 -1,306,000 -8,163,000 -178,217,000 -3,629,000 -1,165,000 -2,899,000 -7,713,000 -2,030,000 -9,185,000 -88,637,000 -705,000 -297,000 -1,290,000             
          financing activities
                                                                    
          repurchase of common stock
                  -3,000,000 -3,001,000                                             
          shares withheld on restricted stock vesting paid for employees’ taxes
        -161,000                 -72,000 -50,000 -23,000 -923,000     -27,000 -28,000 -69,000             
          proceeds from (payments on) life insurance policy loans
                                                                   
          payments of financing costs
        -93,000 -200,000 -279,000 -334,000     -90,000   -141,000           -676,000 -932,000 -70,000                        
          borrowings on long-term debt
        148,770,000                                                  
          dividends paid
        -6,995,000 -7,015,000 -6,910,000 -7,016,000 -6,956,000 -6,909,000 -6,862,000 -6,750,000 -6,752,000 -6,879,000 -6,850,000 -6,960,000 -6,753,000 -6,759,000 -6,766,000 -6,748,000 -6,642,000 -6,626,000 -6,464,000 -6,790,000 -6,515,000 -6,485,000 -6,439,000 -6,487,000 -6,304,000 -6,309,000 -6,278,000 -6,292,000 -6,092,000 -6,097,000 -6,096,000 -6,098,000 -5,498,000 -5,486,000 -5,495,000 -5,495,000 -5,365,000 -5,362,000 -5,363,000 -5,361,000 -5,042,000 -5,046,000 -5,051,000 -5,034,000 -4,908,000 -4,899,000 -4,898,000 -4,893,000             
          net revolver borrowings
        -60,000,000 23,000,000 30,000,000 12,000,000 -67,000,000 4,000,000 8,000,000 8,000,000 -54,000,000 27,000,000 22,000,000 52,000,000  26,000,000 46,000,000 12,000,000        30,000,000  30,000,000 11,000,000 16,000,000      20,000,000                           
          repayment of long-term debt
        -1,875,000 -1,875,000 -1,875,000 -147,688,000    1,000 -12,813,000 -2,813,000 -2,812,000 -2,813,000 -2,813,000 -2,812,000 -2,812,000 -2,813,000 -2,812,000 -223,625,000 -20,688,000 -30,022,000 -687,000 -225,965,000 -20,581,000 -634,000 -633,000 -634,000 -30,784,000 -785,000 -785,000 -785,000 -30,785,000 -785,000 -785,000 -789,000 -789,000 -805,000 -805,000 -475,000 -475,000 -475,000 -475,000 -475,000 -475,000 -110,897,000 -288,000 -287,000 -288,000             
          net cash from financing activities
        -68,870,000 14,110,000 15,122,000 5,586,000 -73,956,000 -44,909,000 1,138,000 767,000 -60,751,000 8,058,000 12,337,000 41,894,000 -93,566,000 16,428,000 33,422,000 -561,000 -46,455,000 27,472,000 -6,932,000 -27,478,000 -48,678,000 4,828,000 7,479,000 2,860,000   4,088,000 -21,126,000 -44,877,000 31,118,000 -6,881,000 -36,906,000 -29,283,000 13,053,000 -3,284,000 -13,626,000 -32,240,000 146,933,000 -5,838,000 -5,836,000 -32,517,000 21,590,000 -5,526,000 -5,536,000 36,663,000 28,313,000 -5,213,000 -18,250,000 17,067,000           5,787,000 
          change in cash and cash equivalents
        -2,348,000 2,665,000 773,000 2,088,000 -3,294,000 4,217,000 2,222,000 -22,182,000 13,068,000 7,704,000 484,000 -17,770,000 17,827,000 -3,198,000 -2,171,000 -28,752,000 29,624,000 -7,835,000 -20,349,000 -5,506,000 26,745,000 -20,647,000 7,791,000 -8,524,000 30,795,000 -141,000 4,663,000 -27,472,000 27,820,000 -12,937,000 -23,938,000 35,393,000 -2,808,000 -3,660,000 -10,659,000 18,306,000 -48,363,000 272,000 11,550,000 32,971,000 -8,476,000 -8,451,000 -3,395,000 19,906,000 -2,782,000 -3,477,000 -9,316,000            304,000 
          cash and cash equivalents at beginning of year
                                                                    
          cash and cash equivalents at end of year
                                                                    
          non-cash operating and financing activities
                                                                    
          truck chassis inventory acquired through floor plan obligations
                                                                    
          acquisition-related purchase consideration not yet paid
                                                                    
          supplemental disclosure of cash flow information
                                                                    
          income taxes paid
                                                                    
          interest paid
                                                                    
          stock-based compensation
         1,519,000 1,554,000 2,150,000  794,000 2,478,000 355,000 -3,283,000 3,279,000 957,000 1,167,000 510,000 3,153,000 1,900,000 -231,000 5,000 4,055,000 1,965,000 62,000 199,000 1,201,000 1,368,000 178,000 525,000 1,482,000 1,054,000 370,000 15,000 2,745,000 1,420,000 750,000 642,000 758,000 1,350,000 640,000 522,000 523,000 1,213,000 535,000 759,000 857,000 1,124,000 725,000 546,000 575,000 1,022,000 565,000 524,000 935,000 794,000 541,000 365,000 464,000 481,000 265,000 1,337,000   
          adjustments on derivatives not classified as hedges
             -115,000 -172,000  -172,000 -172,000 -172,000  -172,000 -172,000 -172,000  -171,000 605,000 -1,454,000  76,000                                       
          provision for losses on accounts receivable
         -193,000 158,000 157,000  175,000 173,000 179,000   175,000 175,000   -25,000 75,000 -452,000 172,000 168,000 179,000 303,000 287,000 287,000 204,000 373,000 97,000 784,000 107,000 85,000 132,000 132,000 182,000 51,000 347,000 949,000 128,000 -13,000 70,000   135,000 57,000 55,000 58,000 406,000 57,000 38,000 76,000 65,000 -15,000 113,000 -19,000 114,000 113,000 46,000 96,000 312,000 114,000 118,000 49,000 
          changes in operating assets and liabilities:
                                                                    
          payments on life insurance policy loans
         -119,000   -204,000                                                     
          cash and cash equivalents at beginning of period
         5,119,000  24,156,000  20,670,000  36,964,000  41,030,000  35,665,000  27,820,000  36,875,000  18,609,000  36,844,000  24,195,000  19,864,000 24,136,000 39,432,000 20,149,000 69,073,000 
          cash and cash equivalents at end of period
         2,665,000 773,000 7,207,000  4,217,000 2,222,000 1,974,000  7,704,000 484,000 2,900,000  -3,198,000 -2,171,000 8,212,000  -7,835,000 -20,349,000 35,524,000  -20,647,000 7,791,000 27,141,000  -141,000 4,663,000 348,000    12,937,000  -2,808,000 -3,660,000 7,950,000  -48,363,000 272,000 48,394,000  -8,476,000 -8,451,000 20,800,000  -2,782,000 -3,477,000 10,548,000 1,891,000 -8,989,000 11,073,000 -1,948,000 -10,422,000 14,212,000 2,919,000 -19,369,000 19,534,000 -1,260,000 -59,396,000 69,377,000 
          truck chassis inventory acquired through floorplan obligations
         166,000 19,083,000  149,000 2,277,000 3,211,000 630,000 1,618,000 4,585,000 1,042,000 2,510,000 912,000 590,000 713,000 6,420,000 1,956,000 9,831,000 16,225,000 10,476,000 19,181,000 2,295,000 6,215,000 3,955,000 18,489,000 12,186,000 10,299,000 8,095,000 15,150,000 7,583,000 7,301,000 12,201,000 6,610,000 14,414,000 12,247,000 5,216,000                        
          gain on disposal of fixed assets
                                                                    
          loss on disposal of fixed asset
             43,000    15,000                                                  
          net loss
               -8,352,000    -13,110,000            -10,086,000    -297,000    -1,876,000                   -3,404,000   -4,268,000   -800,000   -5,719,000 
          adjustments to reconcile net loss to net cash from operating activities:
                                                                    
          gain on disposal of fixed asset
               -6,000    -60,000                                                 
          benefit obligations, long-term liabilities, and other
               -241,000                                                     
          benefit obligations and other long-term liabilities
                -5,491,000 -381,000 -91,000 -237,000 -5,849,000 4,520,000 -499,000 -148,000 687,000 -1,311,000 -586,000 -701,000 -331,000 2,063,000 1,922,000 -2,203,000 5,072,000 3,368,000 1,014,000 -1,906,000 -2,596,000 -7,333,000 376,000 234,000 139,000 3,102,000 -3,037,000 282,000 3,014,000 283,000 254,000 976,000 -1,438,000 421,000 -472,000 -857,000 2,788,000 -443,000 -1,642,000 -151,000 179,000 102,000 647,000  -157,000 532,000      129,000 
          proceeds from life insurance policy loans
                                                                   
          earnout liability
                            -2,000,000 -17,000 -200,000 -217,000     -600,000    -1,077,000 -183,000 66,000 66,000 67,000 162,000 162,000 232,000 137,000 537,000 137,000 136,000             
          gain on sales of fixed asset
                       -51,000  -108,000                                           
          pension settlement
                                                                    
          mark-to-market adjustments on derivatives not classified as hedges
                               1,413,000                                     
          acquisition of businesses
                                                                    
          earnout payment
                                        -5,487,000                         
          net cash provided used in financing activities
                                                                    
          prepaid and refundable income taxes and other assets
                                 -626,000 1,852,000 -3,676,000  -2,975,000 81,000 -1,199,000                             
          net cash from (used) in financing activities
                                                                    
          inventory step up of acquired business included in cost of sales
                                               1,956,000                 
          proceeds from exercise of stock options
                                                             651,000 626,000    
          prepaid refundable income taxes and other assets
                                         300,000 4,759,000 -5,114,000  -1,359,000 1,014,000 3,432,000                     
          loss recognized on impairment of assets held for sale
                                                        647,000          
          proceeds from sale of equipment and assets held for sale
                                                                    
          short-term borrowings (repayments)
                                                                    
          loss recognized on assets held for sale
                                                                   
          prepaid and other assets
                                                                    
          proceeds from sale of assets held for sale
                                                                   
          prepaid and other assets and refundable income taxes paid
                                                  3,470,000 -3,809,000                 
          net repayments of revolver borrowings
                                                                    
          prepaid and other assets and refundable income taxes
                                                                    
          deferred compensation
                                                    -70,000          62,000 63,000 62,000 
          acquisition of trynex
                                                                    
          short term borrowings
                                                                    
          prepaid and other assets and refundable taxes paid
                                                                    
          revolver borrowings
                                                        22,000,000   21,000,000      17,000,000 14,000,000 6,000,000 
          prepaid and other assets and prepaid income taxes
                                                       -1,318,000             
          repayment of revolver borrowings
                                                       -13,000,000             
          adjustments to reconcile net income to net cash used in operating activities:
                                                                    
          proceeds from sale of equipment
                                                           3,000 77,000 18,000 2,000 47,000    
          adjustments to reconcile net loss to net cash used in operating activities:
                                                                    
          collection of stockholders’ notes receivable
                                                              445,000 37,000    
          amortization of deferred financing costs
                                                             159,000 241,000 155,000 131,000 130,000 309,000 302,000 
          amortization of debt discount
                                                             45,000 44,000 39,000 17,000    
          stock repurchases
                                                                    
          payment of call premium and post payoff interest on senior notes redemption
                                                                    
          proceeds from public offering
                                                                    
          proceeds from initial public offering
                                                                   
          loss on extinguishement of debt
                                                                    
          collection of stockholders' notes receivable
                                                                    
          payments of deferred financing costs