7Baggers

Powell Industries, Inc
(NASDAQ:POWL) 

POWL stock logo

Powell Industries, Inc., together with its subsidiaries, designs, develops, manufactures, sells, and services custom-engineered equipment and systems for the distribution, control, and monitoring of electrical energy. The company's principal products include integrated power control room substations...

Founded: 1947
Full Time Employees: 1,997
Sector: Industrials
Industry: Electrical Equipment & Parts

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Quarterly
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    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-07-31 2006-04-30 2006-01-31 2005-10-31 2005-07-31 2005-04-30 2005-01-31 2004-10-31 2004-07-31 2004-04-30 2004-01-31 2003-10-31 
                                                                                            
      revenues
    297,983,000 286,273,000 278,631,000 241,431,000 275,063,000 288,168,000 255,108,000 194,017,000 208,641,000 192,365,000 171,444,000 126,858,000 162,675,000 135,483,000 127,854,000 106,569,000 129,454,000 115,813,000 118,716,000 106,575,000 114,718,000 118,062,000 151,570,000 134,150,000 148,504,000 135,588,000 123,737,000 109,351,000 134,897,000 122,130,000 101,505,000 90,184,000 94,963,000 85,927,000 104,680,000 110,341,000 129,793,000 133,207,000 152,266,000 149,977,000 162,325,000 176,733,000 170,199,000 152,601,000 162,847,000 150,800,000 162,295,000 171,872,000 187,397,000 179,519,000 153,915,000 153,941,000 184,159,000 194,093,000 181,486,000 157,456,000 169,990,000 142,135,000 125,598,000 124,674,000 133,761,000 138,880,000 142,135,000 135,916,000 165,321,000 165,942,000 164,099,000 170,489,000 167,127,000 164,123,000 160,333,000 147,121,000 150,463,000 149,131,000 141,912,000 122,776,000 104,021,000 98,431,000 83,813,000 83,127,000 66,915,000 58,914,000       
      yoy
    8.33% -0.66% 9.22% 24.44% 31.84% 49.80% 48.80% 52.94% 28.26% 41.98% 34.09% 19.04% 25.66% 16.98% 7.70% -0.01% 12.85% -1.90% -21.68% -20.56% -22.75% -12.93% 22.49% 22.68% 10.09% 11.02% 21.90% 21.25% 42.05% 42.13% -3.03% -18.27% -26.84% -35.49% -31.25% -26.43% -20.04% -24.63% -10.54% -1.72% -0.32% 17.20% 4.87% -11.21% -13.10% -16.00% 5.44% 11.65% 1.76% -7.51% -15.19% -2.23% 8.34% 36.56% 44.50% 26.29% 27.08% 2.34% -11.63% -8.27% -19.09% -16.31% -13.38% -20.28% -1.08% 1.11% 2.35% 15.88% 11.08% 10.05% 12.98% 19.83% 44.65% 51.51% 69.32% 47.70% 55.45% 67.08%           
      qoq
    4.09% 2.74% 15.41% -12.23% -4.55% 12.96% 31.49% -7.01% 8.46% 12.20% 35.15% -22.02% 20.07% 5.97% 19.97% -17.68% 11.78% -2.45% 11.39% -7.10% -2.83% -22.11% 12.99% -9.67% 9.53% 9.58% 13.16% -18.94% 10.45% 20.32% 12.55% -5.03% 10.52% -17.91% -5.13% -14.99% -2.56% -12.52% 1.53% -7.61% -8.15% 3.84% 11.53% -6.29% 7.99% -7.08% -5.57% -8.28% 4.39% 16.64% -0.02% -16.41% -5.12% 6.95% 15.26% -7.37% 19.60% 13.17% 0.74% -6.79% -3.69% -2.29% 4.58% -17.79% -0.37% 1.12% -3.75% 2.01% 1.83% 2.36% 8.98% -2.22% 0.89% 5.09% 15.59% 18.03% 5.68% 17.44% 0.83% 24.23% 13.58%        
      cost of goods sold
    204,457,000 198,374,000 195,199,000 181,907,000 194,629,000 206,428,000 192,388,000 145,823,000 156,659,000 149,695,000 138,007,000 107,394,000 129,235,000 116,424,000 108,771,000 93,133,000 106,983,000 98,646,000 101,563,000 88,304,000 92,998,000 96,718,000 121,885,000 112,324,000 119,949,000 111,873,000 103,662,000 94,720,000 110,892,000 103,755,000 89,084,000 79,630,000 84,069,000 76,873,000 88,858,000 95,342,000 104,117,000 105,922,000 122,172,000 126,827,000 132,378,000 143,789,000 145,898,000 131,532,000 137,101,000 121,158,000 127,367,000 136,714,000 144,545,000 141,034,000 122,200,000 120,157,000 142,679,000 150,250,000 147,249,000 137,078,000 145,066,000 118,637,000 99,955,000 98,809,000 104,298,000 100,636,000 105,602,000 98,099,000 129,725,000 124,835,000 130,255,000 135,987,000 133,110,000 129,121,000 129,641,000 120,426,000 125,153,000 121,705,000 119,147,000 101,319,000 84,928,000 77,688,000 69,036,000 67,229,000 54,354,000 50,472,000       
      gross profit
    93,526,000 87,899,000 83,432,000 59,524,000 80,434,000 81,740,000 62,720,000 48,194,000 51,982,000 42,670,000 33,437,000 19,464,000 33,440,000 19,059,000 19,083,000 13,436,000 22,471,000 17,167,000 17,153,000 18,271,000 21,720,000 21,344,000 29,685,000 21,826,000 28,555,000 23,715,000 20,075,000 14,631,000 24,005,000 18,375,000 12,421,000 10,554,000 10,894,000 9,054,000 15,822,000 14,999,000 25,676,000 27,285,000 30,094,000 23,150,000 29,947,000 32,944,000 24,301,000 21,069,000 25,746,000 29,642,000 34,928,000 35,158,000 42,852,000 38,485,000 31,715,000 33,784,000 41,480,000 43,843,000 34,237,000 20,378,000 24,924,000 23,498,000 25,643,000 25,865,000 29,463,000 38,244,000 36,533,000 37,817,000 35,596,000 41,107,000 33,844,000 34,502,000 34,017,000 35,002,000 30,692,000 26,695,000 25,310,000 27,426,000 22,765,000 21,457,000 19,093,000 20,743,000 14,777,000 15,898,000 12,561,000 8,442,000       
      yoy
    16.28% 7.53% 33.02% 23.51% 54.73% 91.56% 87.58% 147.61% 55.45% 123.88% 75.22% 44.86% 48.81% 11.02% 11.25% -26.46% 3.46% -19.57% -42.22% -16.29% -23.94% -10.00% 47.87% 49.18% 18.95% 29.06% 61.62% 38.63% 120.35% 102.95% -21.50% -29.64% -57.57% -66.82% -47.42% -35.21% -14.26% -17.18% 23.84% 9.88% 16.32% 11.14% -30.43% -40.07% -39.92% -22.98% 10.13% 4.07% 3.31% -12.22% -7.37% 65.79% 66.43% 86.58% 33.51% -21.21% -15.41% -38.56% -29.81% -31.60% -17.23% -6.96% 7.95% 9.61% 4.64% 17.44% 10.27% 29.25% 34.40% 27.62% 34.82% 24.41% 32.56% 32.22% 54.06% 34.97% 52.00% 145.71%           
      qoq
    6.40% 5.35% 40.17% -26.00% -1.60% 30.33% 30.14% -7.29% 21.82% 27.61% 71.79% -41.79% 75.46% -0.13% 42.03% -40.21% 30.90% 0.08% -6.12% -15.88% 1.76% -28.10% 36.01% -23.57% 20.41% 18.13% 37.21% -39.05% 30.64% 47.93% 17.69% -3.12% 20.32% -42.78% 5.49% -41.58% -5.90% -9.33% 30.00% -22.70% -9.10% 35.57% 15.34% -18.17% -13.14% -15.13% -0.65% -17.95% 11.35% 21.35% -6.12% -18.55% -5.39% 28.06% 68.01% -18.24% 6.07% -8.36% -0.86% -12.21% -22.96% 4.68% -3.40% 6.24% -13.41% 21.46% -1.91% 1.43% -2.81% 14.04% 14.97% 5.47% -7.72% 20.47% 6.10% 12.38% -7.95% 40.37% -7.05% 26.57% 48.79%        
      gross margin %
    31.39% 30.70% 29.94% 24.65% 29.24% 28.37% 24.59% 24.84% 24.91% 22.18% 19.50% 15.34% 20.56% 14.07% 14.93% 12.61% 17.36% 14.82% 14.45% 17.14% 18.93% 18.08% 19.59% 16.27% 19.23% 17.49% 16.22% 13.38% 17.80% 15.05% 12.24% 11.70% 11.47% 10.54% 15.11% 13.59% 19.78% 20.48% 19.76% 15.44% 18.45% 18.64% 14.28% 13.81% 15.81% 19.66% 21.52% 20.46% 22.87% 21.44% 20.61% 21.95% 22.52% 22.59% 18.86% 12.94% 14.66% 16.53% 20.42% 20.75% 22.03% 27.54% 25.70% 27.82% 21.53% 24.77% 20.62% 20.24% 20.35% 21.33% 19.14% 18.14% 16.82% 18.39% 16.04% 17.48% 18.35% 21.07% 17.63% 19.12% 18.77% 14.33% NaN% NaN% NaN% NaN% NaN%  
      selling, general and administrative expenses
    27,042,000 25,116,000 21,767,000 21,476,000 21,572,000 22,022,000 20,947,000 20,347,000 20,429,000 19,691,000 21,820,000 16,873,000 21,457,000 16,404,000 17,067,000 15,902,000 16,958,000 16,710,000 16,675,000 16,874,000 16,290,000 15,511,000 18,573,000 17,289,000 19,710,000 17,117,000 17,195,000 15,928,000 18,306,000 16,174,000 16,073,000 16,215,000 15,071,000 14,761,000 15,994,000 15,698,000 17,137,000 19,362,000 19,024,000 19,400,000 18,508,000 18,013,000 19,464,000 20,816,000 21,006,000 23,024,000 22,088,000 21,632,000 13,301,000 23,805,000 24,060,000 22,373,000 22,835,000 24,826,000 21,523,000 19,763,000 23,182,000 19,410,000 21,538,000 20,928,000 18,443,000 22,216,000 21,157,000 22,641,000 21,152,000 20,378,000 20,323,000 21,561,000 21,155,000 21,774,000 20,961,000 20,111,000 20,770,000 21,750,000 18,452,000 16,274,000 15,705,000 13,851,000 12,984,000 13,085,000 9,887,000 9,353,000       
      research and development expenses
    3,127,000 2,659,000 2,746,000 2,476,000 2,746,000 2,430,000 2,284,000 1,967,000 1,749,000 1,427,000 1,543,000 1,501,000 1,621,000 1,806,000 1,713,000 1,824,000 1,624,000 1,772,000 1,601,000 1,673,000 1,402,000 1,605,000 1,783,000 1,474,000 1,339,000 1,631,000 1,663,000 1,694,000 1,791,000 1,632,000 1,636,000 1,658,000 2,088,000 1,726,000 1,623,000 1,469,000 1,278,000 1,640,000 1,959,000 1,854,000 1,872,000 1,642,000 1,626,000 1,840,000 1,821,000 1,791,000 2,157,000 1,839,000                                         
      operating income
    63,245,000 60,124,000 58,919,000 35,572,000 56,116,000 57,288,000 39,489,000 25,880,000 29,804,000 21,552,000 10,074,000 1,090,000 10,362,000 849,000 303,000 -4,290,000 3,864,000 -1,359,000 -1,167,000 -320,000 3,983,000 2,784,000 9,285,000 3,019,000 7,683,000 5,640,000 1,173,000 -3,035,000 3,077,000 525,000 -5,332,000 -7,392,000 -6,839,000 -7,520,000 -2,723,000 -2,256,000 6,434,000 5,547,000 5,766,000 -1,989,000 8,818,000 11,769,000 1,766,000 -1,705,000 2,798,000 4,705,000 10,562,000 11,271,000 18,404,000 12,548,000 7,242,000 10,996,000 18,157,000 18,313,000 12,010,000 -88,000 -6,510,000 2,851,000 2,851,000 3,770,000 -909,000 16,028,000 15,376,000 15,176,000                         
      yoy
    12.70% 4.95% 49.20% 37.45% 88.28% 165.81% 291.99% 2274.31% 187.63% 2438.52% 3224.75% -125.41% 168.17% -162.47% -125.96% 1240.63% -2.99% -148.81% -112.57% -110.60% -48.16% -50.64% 691.56% -199.47% 149.69% 974.29% -122.00% -58.94% -144.99% -106.98% 95.81% 227.66% -206.29% -235.57% -147.23% 13.42% -27.04% -52.87% 226.50% 16.66% 215.15% 150.14% -83.28% -115.13% -84.80% -62.50% 45.84% 2.50% 1.36% -31.48% -39.70% -12595.45% -378.91% 542.34% 321.26% -102.33% 616.17% -82.21% -81.46% -75.16%                             
      qoq
    5.19% 2.05% 65.63% -36.61% -2.05% 45.07% 52.59% -13.17% 38.29% 113.94% 824.22% -89.48% 1120.49% 180.20% -107.06% -211.02% -384.33% 16.45% 264.69% -108.03% 43.07% -70.02% 207.55% -60.71% 36.22% 380.82% -138.65% -198.64% 486.10% -109.85% -27.87% 8.09% -9.06% 176.17% 20.70% -135.06% 15.99% -3.80% -389.89% -122.56% -25.07% 566.42% -203.58% -160.94% -40.53% -55.45% -6.29% -38.76% 46.67% 73.27% -34.14% -39.44% -0.85% 52.48% -13747.73% -98.65% -328.34% 0.00% -24.38% -514.74% -105.67% 4.24% 1.32%                          
      operating margin %
    21.22% 21.00% 21.15% 14.73% 20.40% 19.88% 15.48% 13.34% 14.28% 11.20% 5.88% 0.86% 6.37% 0.63% 0.24% -4.03% 2.98% -1.17% -0.98% -0.30% 3.47% 2.36% 6.13% 2.25% 5.17% 4.16% 0.95% -2.78% 2.28% 0.43% -5.25% -8.20% -7.20% -8.75% -2.60% -2.04% 4.96% 4.16% 3.79% -1.33% 5.43% 6.66% 1.04% -1.12% 1.72% 3.12% 6.51% 6.56% 9.82% 6.99% 4.71% 7.14% 9.86% 9.44% 6.62% -0.06% -3.83% 2.01% 2.27% 3.02% -0.68% 11.54% 10.82% 11.17% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% NaN% NaN% NaN% NaN% NaN%  
      other expenses
                                                                                            
      interest income
    -4,293,000 -3,977,000 -3,555,000 -3,865,000 -4,381,000 -4,508,000 -4,428,000 -3,998,000 -2,914,000 -2,093,000 -899,000 -523,000    -50,000 -47,000 -72,000 -47,000 -111,000 -80,000 -190,000 -330,000 -381,000 -396,000 -305,000 -245,000 -157,000 -172,000 -215,000 -293,000 -203,000 -271,000 -156,000 -89,000 -42,000 -43,000 -42,000 -71,000  2,000  -84,000 -1,000 -3,000 -4,000 -3,000 -3,000 -7,000   -19,000 -26,000 -25,000 -34,000 -29,000 -41,000 -66,000 -62,000 -45,000 -54,000 -49,000 -115,000 -42,000 -38,000 -33,000 -3,000 -57,000 -95,000 -59,000 -86,000 -115,000 -148,000 -110,000 -120,000 -180,000 -197,000 -237,000 -302,000 -224,000 -289,000 -317,000       
      income before income taxes
    67,538,000 64,101,000 62,474,000 39,437,000 60,497,000 61,796,000 43,917,000 29,878,000 32,718,000 23,645,000 10,973,000 1,613,000 10,617,000 2,918,000 595,000 -4,287,000 3,859,000 -1,338,000 -1,171,000 -259,000 4,520,000 2,922,000 9,555,000 3,333,000 8,019,000 5,886,000 1,363,000 -2,934,000 3,435,000 689,000 -5,090,000 -6,733,000 -6,107,000 -6,898,000 -2,174,000 -1,741,000 2,711,500 6,058,000 6,294,000 -1,506,000        11,205,000 18,360,000 12,508,000 8,910,000 10,954,000 18,114,000 18,279,000 11,976,000 -135,000 -6,581,000 2,829,000 4,048,000 3,701,000 -1,087,000 15,849,000 15,263,000 15,036,000                         
      income tax provision
    16,118,000 15,867,000 16,144,000 4,674,000 14,445,000 15,573,000 10,429,000 5,793,000 6,283,000 5,191,000 2,500,000 451,000 1,878,000 -6,143,000 1,812,000 -1,441,000 599,000 703,000 -946,000 105,000 1,537,000 -559,000 2,134,000 558,000     1,896,000 388,000   -964,000 -3,683,000 -1,345,000  1,439,000 1,164,000 727,000  2,979,000 5,185,000 6,379,000 -991,000 842,000 2,233,000 4,055,000 3,937,000 -208,000 3,203,000 2,092,000 3,569,000 6,261,000 6,141,000 4,565,000 1,610,000 2,772,000 1,122,000 1,549,000 1,269,000 3,695,000 5,530,000 5,378,000 5,291,000 4,463,000 7,219,000 4,655,000 4,397,000 3,954,000 4,753,000 3,236,000 2,129,000 1,314,000 1,724,000 1,210,000 1,724,000 1,345,000   1,818,000 695,000 -451,000       
      net income
    51,420,000 48,234,000 46,330,000 34,763,000 46,052,000 46,223,000 33,488,000 24,085,000 26,435,000 18,454,000 8,473,000 1,162,000 8,739,000 9,061,000 -1,217,000 -2,846,000 3,260,000 -2,041,000 -225,000 -364,000 2,983,000 3,481,000 7,421,000 2,775,000 6,538,000 5,089,000 958,000 -2,695,000 1,539,000 301,000 -3,330,000 -5,662,000 -5,143,000 -3,215,000 -829,000 -300,000 5,508,000 4,894,000 5,567,000 -459,000 6,312,000 7,049,000 -3,683,000 -239,000 2,430,000 2,947,000 15,593,000 8,255,000 18,568,000 9,305,000 6,818,000 7,385,000 11,853,000 12,138,000 7,411,000 -1,745,000 -9,353,000 1,707,000 2,499,000 2,432,000 -4,782,000 10,319,000 9,885,000 9,745,000 9,874,000 13,138,000 8,852,000 7,853,000 8,339,000 7,893,000 6,029,000 3,586,000 2,460,000 3,170,000 2,254,000 2,892,000 1,757,000 4,145,000 1,093,000 1,840,000 2,132,000 -295,000       
      yoy
    11.66% 4.35% 38.35% 44.33% 74.21% 150.48% 295.23% 1972.72% 202.49% 103.66% -796.22% -140.83% 168.07% -543.95% 440.89% 681.87% 9.29% -158.63% -103.03% -113.12% -54.37% -31.60% 674.63% -202.97% 324.82% 1590.70% -128.77% -52.40% -129.92% -109.36% 301.69% 1787.33% -193.37% -165.69% -114.89% -34.64% -12.74% -30.57% -251.15% 92.05% 159.75% 139.19% -123.62% -102.90% -86.91% -68.33% 128.70% 11.78% 56.65% -23.34% -8.00% -523.21% -226.73% 611.07% 196.56% -171.75% 95.59% -83.46% -74.72% -75.04% -148.43% -21.46% 11.67% 24.09% 18.41% 66.45% 46.82% 118.99% 238.98% 148.99% 167.48% 24.00% 40.01% -23.52% 106.22% 57.17% -17.59% -1505.08%           
      qoq
    6.61% 4.11% 33.27% -24.51% -0.37% 38.03% 39.04% -8.89% 43.25% 117.80% 629.17% -86.70% -3.55% -844.54% -57.24% -187.30% -259.73% 807.11% -38.19% -112.20% -14.31% -53.09% 167.42% -57.56% 28.47% 431.21% -135.55% -275.11% 411.30% -109.04% -41.19% 10.09% 59.97% 287.82% 176.33% -105.45% 12.55% -12.09% -1312.85% -107.27% -10.46% -291.39% 1441.00% -109.84% -17.54% -81.10% 88.89% -55.54% 99.55% 36.48% -7.68% -37.70% -2.35% 63.78% -524.70% -81.34% -647.92% -31.69% 2.75% -150.86% -146.34% 4.39% 1.44% -1.31% -24.84% 48.42% 12.72% -5.83% 5.65% 30.92% 68.13% 45.77% -22.40% 40.64% -22.06% 64.60% -57.61% 279.23% -40.60% -13.70% -822.71%        
      net income margin %
    17.26% 16.85% 16.63% 14.40% 16.74% 16.04% 13.13% 12.41% 12.67% 9.59% 4.94% 0.92% 5.37% 6.69% -0.95% -2.67% 2.52% -1.76% -0.19% -0.34% 2.60% 2.95% 4.90% 2.07% 4.40% 3.75% 0.77% -2.46% 1.14% 0.25% -3.28% -6.28% -5.42% -3.74% -0.79% -0.27% 4.24% 3.67% 3.66% -0.31% 3.89% 3.99% -2.16% -0.16% 1.49% 1.95% 9.61% 4.80% 9.91% 5.18% 4.43% 4.80% 6.44% 6.25% 4.08% -1.11% -5.50% 1.20% 1.99% 1.95% -3.58% 7.43% 6.95% 7.17% 5.97% 7.92% 5.39% 4.61% 4.99% 4.81% 3.76% 2.44% 1.63% 2.13% 1.59% 2.36% 1.69% 4.21% 1.30% 2.21% 3.19% -0.50% NaN% NaN% NaN% NaN% NaN%  
      earnings per share:
                                                                                            
      basic
    4.26 3.84 2.89 3.84 3.85 2.79 2.02 2.22 1.55 0.71 0.1     0.27 -0.17 -0.02 -0.03 0.25 0.3 0.64 0.24                         1.55 0.78 0.57 0.62 0.99 1.03 0.63 -0.15 -0.8 0.15 0.21 0.21 -0.42 0.89 0.86 0.84                         
      diluted
    4.23 3.96 3.81 2.86 3.77 3.79 2.75 1.98 2.18 1.52 0.7 0.1     0.27 -0.17 -0.02 -0.03 0.25 0.3 0.64 0.24                         1.55 0.77 0.57 0.62 0.99 1.02 0.63 -0.15 -0.79 0.14 0.21 0.21 -0.42 0.88 0.85 0.83                         
      weighted-average shares:
                                                                                            
      basic
    12,062 12,071 12,069 12,037 11,982 11,998 11,992 11,941 11,879 11,889 11,878 11,859 11,797 11,810 11,801 11,765 11,705 11,720 11,707 11,674 11,624 11,631 11,621 11,614 11,571 11,579 11,570 11,551 11,507 11,514 11,509 11,497 11,453 11,463 11,445 11,438 11,400 11,397 11,369 11,395 11,869 11,802 12,018 12,041 12,003 12,015 12,004 11,994 11,948 11,941 11,953 11,922 11,850 11,812 11,762 11,764 11,735 11,740 11,666 11,640 11,545 11,556 11,523 11,476 11,424,000 11,420,000 11,413,000 11,413,000 11,265,000 11,310,000 11,232,000 11,155,000 11,045,000 11,082,000 11,033,000 10,942,000 10,888,000 10,865,000 10,853,000 10,779,000 10,775,000 10,763,000  10,688,000     
      diluted
    12,167 12,175 12,174 12,152 12,188 12,205 12,191 12,174 12,120 12,140 12,149 12,077 11,943 11,901 11,801 11,765 11,789 11,720 11,707 11,674 11,693 11,698 11,681 11,665 11,634 11,603 11,632 11,551 11,507 11,587 11,509 11,497 11,453 11,463 11,445 11,438 11,431 11,473 11,422 11,395 11,908 11,845 12,018 12,041 12,058 12,075 12,064 12,054 11,994 12,016 12,029 12,000 11,925 11,861 11,835 11,764 11,735 11,812 11,799 11,773 11,693 11,679 11,659 11,626 11,591,000 11,521,000 11,495,000 11,479,000 11,452,000 11,470,000 11,416,000 11,372,000 11,233,000 11,271,000 11,123,000 11,121,000 11,140,000 11,110,000 11,004,000 10,928,000 10,939,000 10,763,000  10,774,000     
      dividends per share
    0.267 0.268 0.268 0.265 0.265 0.265 0.265 0.263 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.26 0.25 0.25                                           
      other income
                 -2,006,000 -279,000              -240,000   -507,000 -507,000 -507,000 -507,000 -507,000 -507,000 -507,000 -507,000 -507,000 -509,000 -507,000 -879,000 -507,000 -508,000 -507,000 -507,000  -427,250  -1,709,000      -307,250  -1,229,000                              
      amortization of intangible assets
                    25,000 44,000 44,000 44,000 45,000 44,000 44,000 44,000 45,000 44,000 44,000 44,000 44,000 44,000 44,000 73,000 92,000 87,000 88,000 88,000 89,000 89,000 86,000 88,000 90,000 114,000 113,000 118,000 121,000 122,000 121,000 416,000 416,000 415,000 413,000 415,000 488,000 704,000 704,000 703,000 1,094,000 1,237,000 1,254,000 1,167,000                             
      interest expense
                -19,750 -63,000 -13,000 47,000 52,000 51,000 51,000 50,000 49,000 52,000 60,000 67,000 60,000 59,000 55,000 56,000 54,000 51,000 51,000 51,000 46,000 41,000 47,000 34,000 37,000 38,000 50,000 24,000 34,000 42,000 33,000 33,000 37,000 36,000 41,000 69,000 51,000 47,000 43,000 61,000 69,000 59,000 68,000 76,000 112,000 88,000 94,000 114,000 232,000 228,000 228,000 182,000 177,000 196,000 262,000 472,000 559,000 697,000 771,000 865,000 972,000 922,000 919,000 688,000 476,000 326,000 335,000 375,000 130,000 139,000       
      income per share:
                                                                                            
      basic
                0.105 0.77           0.073 0.44 0.08  -0.19 0.03   -0.095 -0.28 -0.07  0.22 0.43 0.49                                                  
      diluted
                0.105 0.76           0.073 0.44 0.08  -0.19 0.03   -0.095 -0.28 -0.07  0.218 0.43 0.49                                                  
      loss per share:
                                                                                            
      basic
                  -0.1 -0.24            -0.23   -0.29 -0.49    -0.03    -0.04                                                 
      diluted
                  -0.1 -0.24            -0.23   -0.29 -0.49    -0.03    -0.04                                                 
      restructuring and other
                         1,400,000   58,250 233,000                                                               
      insurance proceeds
                             -950,000                                                               
      income tax expense
                            240,750 797,000 405,000                                                              
      income tax benefit
                               -239,000   -1,760,000 -1,071,000    -1,441,000    -1,047,000                                      2,661,000 649,000          
      restructuring and separation expenses
                                        738,000 647,000 3,259,000 3,797,000 684,500 1,406,000 1,332,000                                              
      restructuring and separation costs
                                    210,000  840,000                                                      
      income from continuing operations before income taxes
                                            9,291,000 12,234,000 2,696,000 -1,230,000 3,272,000 5,180,000 11,031,000                                          
      income from continuing operations
                                            6,312,000 7,049,000 -3,683,000 -239,000 2,430,000 2,947,000 6,976,000 7,268,000                                         
      income from discontinued operations, net of tax
                                                  8,617,000                                          
      earnings per share:
                                                                                            
      continuing operations
                                            0.54 0.6 -0.31 -0.02 0.2 0.25 0.58 0.61                                         
      discontinued operations
                                                  0.72 0.08                                         
      basic earnings per share
                                            0.54 0.6 -0.31 -0.02 0.2 0.25 1.3 0.69                                         
      diluted earnings per share
                                            0.53 0.6 -0.31 -0.02 0.19 0.24 1.29 0.68                                         
      restructuring and relocation expenses
                                                    429,250 1,717,000                                       
      income from discontinued operations, net of tax of 502 and 144
                                                   987,000                                         
      gain on sale of investment
                                                                                            
      net income attributable to noncontrolling interest
                                                                39,750 33,000  -101,000                         
      net income attributable to powell industries, inc.
                                                            -9,353,000 1,707,000 2,499,000 2,432,000 -4,782,000 10,286,000 9,860,000 9,644,000                         
      earnings per share attributable to powell industries, inc.:
                                                                                            
      basic
    4.26 3.84 2.89 3.84 3.85 2.79 2.02 2.22 1.55 0.71 0.1     0.27 -0.17 -0.02 -0.03 0.25 0.3 0.64 0.24                         1.55 0.78 0.57 0.62 0.99 1.03 0.63 -0.15 -0.8 0.15 0.21 0.21 -0.42 0.89 0.86 0.84                         
      diluted
    4.23 3.96 3.81 2.86 3.77 3.79 2.75 1.98 2.18 1.52 0.7 0.1     0.27 -0.17 -0.02 -0.03 0.25 0.3 0.64 0.24                         1.55 0.77 0.57 0.62 0.99 1.02 0.63 -0.15 -0.79 0.14 0.21 0.21 -0.42 0.88 0.85 0.83                         
      net (income) loss attributable to noncontrolling interest
                                                                  -25,000                          
      income before interest, income taxes and minority interest
                                                                    14,444,000 20,729,000 13,521,000 12,941,000 12,862,000 13,228,000 9,731,000 6,584,000 4,540,000 5,676,000 4,313,000 5,183,000 3,388,000 6,892,000 1,793,000 -199,750 2,674,000 -911,000       
      income before income taxes and minority interest
                                                                    14,305,000 20,566,000 13,262,000 12,526,000 12,398,000 12,590,000 9,046,000 5,834,000 3,716,000 4,864,000 3,514,000 4,675,000 3,109,000 6,803,000 1,760,000 -65,500 2,833,000 -733,000       
      minority interest
                                                                    60,000 209,000 -245,000 276,000 -39,000 -56,000 -219,000 119,000                 
      net earnings per common share:
                                                                                            
      basic
                                                                    870 1,150 780 690 730 700 540 320 220 290 200 260 160 380 100 10 200 -30       
      diluted
                                                                    840 1,140 770 680 730 690 530 320 210 280 200 260 160 370 100 10 190 -30       
      minority interest in net income
                                                                            -58,000 -30,000 50,000 59,000 7,000 -3,000 18,000 56,000 6,000 13,000       
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-07-31 2006-04-30 2006-01-31 2005-10-31 2005-07-31 2005-04-30 2004-10-31 2003-10-31 
                                                                                          
        assets
                                                                                          
        current assets:
                                                                                          
        cash and cash equivalents
      450,739,000 398,466,000 359,542,000 325,598,000 315,331,000 332,012,000 323,256,000 321,400,000 245,875,000 183,355,000 152,039,000 99,632,000 101,954,000 75,830,000 86,431,000 77,905,000 114,314,000 108,675,000 134,093,000 134,016,000 160,216,000 156,026,000 120,571,000 120,966,000 118,639,000 71,921,000 66,376,000 55,005,000 36,584,000 40,075,000 48,237,000 49,587,000 68,359,000 32,484,000 93,468,000 80,582,000 97,720,000 89,351,000 57,358,000 58,924,000 43,569,000 63,359,000 55,672,000 56,464,000 103,118,000 87,763,000 101,393,000 103,724,000 107,748,000 124,865,000 114,062,000 97,367,000 90,040,000 106,835,000 128,065,000 104,270,000 123,466,000 137,266,000 122,056,000 120,918,000 115,353,000 117,098,000 113,604,000 83,179,000 97,403,000 89,441,000 60,142,000 24,957,000 10,134,000 6,835,000 7,786,000 6,553,000 5,257,000 3,856,000 3,062,000 4,955,000 27,833,000 17,189,000 16,816,000 24,844,000 13,092,000 949,000  36,788,000 
        short-term investments
      24,788,000 34,574,000 29,750,000 47,799,000 43,061,000 42,033,000 42,083,000 33,943,000 33,134,000 26,414,000 11,085,000 11,070,000 14,554,000 22,682,000 27,143,000 23,622,000 19,667,000 20,165,000 19,852,000 15,694,000 18,705,000 7,330,000   6,042,000 6,109,000 5,991,000 7,336,000 13,170,000 15,218,000 20,925,000 23,101,000 26,829,000 55,364,000 14,874,000 14,874,000                                                 
        accounts receivables
      217,065,000 211,623,000 202,579,000 193,266,000 214,405,000 173,246,000 183,980,000 169,477,000 206,591,000 204,522,000 170,178,000 151,375,000 106,111,000 103,022,000 90,741,000 79,478,000 78,304,000 72,369,000 72,070,000 77,294,000 69,957,000 97,144,000 90,495,000 100,890,000 112,093,000 108,551,000 81,270,000 89,399,000 92,548,000 72,682,000 68,074,000 78,978,000 53,852,000 77,547,000 66,753,000 88,487,000 101,048,000 87,876,000 103,443,000 82,237,000 101,784,000 110,093,000 121,366,000 131,253,000 107,162,000 116,342,000 114,895,000 100,066,000 119,420,000 111,494,000 112,354,000 118,209,000 125,771,000 106,872,000 97,694,000 130,887,000 109,317,000 106,809,000 102,539,000 93,822,000 91,766,000 106,659,000 102,888,000 113,133,000 114,274,000 116,156,000 125,952,000 133,450,000 132,446,000 132,532,000 118,424,000 131,915,000 107,717,000 121,271,000 112,343,000 111,648,000 84,549,000 83,369,000 62,317,000 65,385,000 67,320,000 48,738,000   
        contract assets
      136,679,000 133,015,000 115,943,000 92,349,000 102,827,000 90,955,000 75,010,000 67,594,000 60,621,000 56,148,000 63,560,000 63,911,000 88,351,000 68,245,000 58,553,000 67,904,000 54,199,000 50,827,000 42,728,000 47,886,000 50,995,000 51,723,000 61,336,000 60,296,000 55,374,000 57,231,000 70,727,000 69,601,000                                                         
        inventories
      84,719,000 88,534,000 89,016,000 88,108,000 85,873,000 85,139,000 82,075,000 69,682,000 63,865,000 66,109,000 58,690,000 55,002,000 50,415,000 48,739,000 43,685,000 36,157,000 29,835,000 28,397,000 30,031,000 29,019,000 28,968,000 31,663,000 31,136,000 32,448,000 29,202,000 29,484,000 24,724,000 25,046,000 21,352,000 22,854,000 22,012,000 18,535,000 18,448,000 19,028,000 20,362,000 23,976,000 26,521,000 28,138,000 30,227,000 34,245,000 32,891,000 36,352,000 35,735,000 36,630,000 32,815,000 28,709,000 29,430,000 28,557,000 28,983,000 30,734,000 32,246,000 31,291,000 32,917,000 40,616,000 42,760,000 37,735,000 36,640,000 41,344,000 39,365,000 36,712,000 38,244,000 38,665,000 39,302,000 43,249,000 46,252,000 54,512,000 59,338,000 63,683,000 72,679,000 71,588,000 62,898,000 59,358,000 47,789,000 40,951,000 40,899,000 36,712,000 30,295,000 26,051,000 25,208,000 21,616,000 22,436,000 19,721,000   
        prepaid expenses
      10,591,000 7,225,000 5,259,000 7,572,000 7,487,000 5,474,000 3,362,000 5,252,000 5,419,000 4,821,000 2,710,000 4,703,000 4,679,000 3,165,000 2,413,000 4,033,000 4,382,000 3,190,000 2,061,000 3,937,000 4,402,000 4,009,000 2,315,000 4,646,000 4,335,000 3,316,000 2,275,000 3,707,000 3,775,000 2,978,000 1,760,000 2,804,000 3,701,000 2,293,000 2,723,000 3,830,000 4,569,000 3,715,000 2,652,000 4,401,000 5,004,000 4,085,000 2,894,000 4,752,000 5,870,000 3,838,000                                       
        other current assets
      7,135,000 6,722,000 8,541,000 7,216,000 7,436,000 6,704,000 6,784,000 7,413,000 6,380,000 5,736,000 4,819,000 3,467,000 3,814,000 2,798,000 2,559,000 1,092,000 1,599,000 1,739,000 1,806,000 2,299,000 1,948,000 1,883,000 1,774,000 1,906,000 2,650,000 2,398,000 2,068,000 1,232,000 630,000 253,000 274,000 268,000 463,000 386,000 2,834,000 2,608,000 2,457,000 2,978,000 2,829,000 4,244,000 3,916,000 4,579,000 4,828,000 4,334,000 4,291,000 4,957,000                                       
        total current assets
      931,716,000 880,159,000 810,630,000 761,936,000 776,481,000 735,694,000 716,645,000 674,825,000 621,985,000 547,252,000 463,200,000 389,244,000 369,983,000 324,772,000 311,679,000 290,408,000 302,461,000 285,534,000 302,788,000 310,291,000 335,658,000 350,151,000 307,732,000 321,301,000 328,568,000 287,270,000 264,359,000 260,528,000 276,662,000 252,422,000 235,911,000 239,247,000 250,071,000 260,319,000 266,001,000 281,721,000 304,140,000 298,960,000 293,206,000 290,702,000 297,099,000 323,518,000 325,867,000 326,817,000 357,327,000 334,373,000 341,941,000 344,569,000 357,341,000 354,275,000 343,583,000 327,826,000 346,410,000 349,551,000 355,134,000 336,520,000 336,682,000 346,714,000 317,192,000 301,691,000 302,191,000 307,882,000 305,471,000 295,441,000 315,003,000 325,693,000 307,314,000 309,129,000 303,435,000 298,360,000 274,918,000 259,007,000 236,886,000 237,916,000 220,493,000 212,906,000 185,907,000 176,796,000 168,393,000  153,598,000 146,331,000   
        property, plant and equipment
      111,049,000 109,376,000 105,402,000 101,957,000 103,421,000 96,468,000 96,655,000 98,318,000 97,625,000 96,876,000 97,910,000 99,051,000 98,628,000 102,023,000 105,968,000 107,509,000 109,457,000 112,485,000 113,653,000 114,866,000 114,372,000 114,826,000 115,192,000 120,795,000 120,812,000 121,909,000 122,836,000 123,838,000 128,764,000 130,545,000 134,675,000 137,269,000 139,420,000 138,664,000 139,417,000 141,450,000 144,977,000 147,810,000 150,722,000 150,195,000 154,594,000 162,266,000 161,789,000 165,426,000 156,896,000 147,824,000 145,055,000 146,272,000 144,589,000 123,228,000 105,863,000 89,194,000 78,652,000 77,269,000 73,774,000 66,508,000 59,637,000 59,874,000 61,440,000 61,994,000 63,676,000 65,046,000 66,041,000 67,601,000 61,036,000 61,576,000 58,884,000 59,839,000 61,546,000 63,006,000 64,607,000 65,929,000 67,401,000 66,337,000 66,769,000 64,521,000 56,591,000 55,589,000 55,281,000 55,678,000 54,386,000 45,119,000  43,998,000 
        operating lease assets
      1,664,000 1,224,000 1,411,000 1,365,000 1,216,000 909,000 1,089,000 1,218,000 1,436,000 1,567,000 1,665,000 2,159,000 2,179,000 1,909,000 3,205,000 3,526,000 3,453,000 3,732,000 4,390,000 4,711,000 5,217,000 5,542,000 5,606,000 6,213,000                                                             
        goodwill
      6,125,000         1,003,000                                1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 12,899,000 8,244,000 8,479,000 1,084,000 1,084,000 1,084,000 1,084,000 1,084,000 1,084,000 1,084,000 1,084,000 1,084,000 1,084,000 1,084,000 1,084,000 203,000 203,000 203,000 203,000 3,824,000    
        intangible assets
      6,138,000                                         1,508,000 1,607,000 1,762,000 1,904,000 2,056,000 2,147,000 2,289,000 11,612,000 11,996,000 12,439,000 12,887,000 13,317,000 13,749,000 14,494,000 15,156,000 15,847,000 24,469,000 25,744,000 26,696,000 26,132,000 25,223,000 26,185,000 26,318,000 21,305,000 22,216,000 22,872,000 23,758,000 25,014,000 26,100,000 26,997,000 27,897,000 28,861,000 29,723,000 30,563,000 31,498,000 4,625,000 3,163,000 3,186,000 3,505,000     
        deferred income tax assets
      33,440,000 31,299,000 29,530,000 28,275,000 27,246,000                                                                                
        other assets
      18,852,000 18,655,000 16,892,000 17,639,000 18,313,000 17,197,000 16,621,000 14,856,000 13,129,000 12,688,000 12,374,000 12,159,000 12,426,000 11,910,000 13,160,000 15,800,000 15,179,000 14,952,000 14,179,000 13,600,000 12,226,000 11,997,000 12,407,000 11,606,000 11,577,000 11,110,000 10,909,000 10,777,000 11,087,000 13,882,000 13,586,000 14,057,000 13,800,000 13,708,000 12,654,000 11,850,000 11,340,000 10,807,000 10,627,000 10,611,000 10,117,000 9,760,000 9,824,000 9,313,000 8,224,000 8,106,000 9,605,000 14,849,000 7,333,000 10,710,000 10,537,000 9,371,000 8,930,000 7,909,000 7,511,000 7,789,000 8,507,000 7,722,000 7,808,000 7,481,000 7,710,000 7,944,000 7,685,000 6,872,000 6,412,000 6,094,000 6,296,000 6,471,000 6,555,000 6,524,000 5,704,000 6,682,000 6,783,000 5,724,000 5,698,000 5,670,000 6,144,000 4,004,000 3,779,000 5,096,000 6,017,000 5,719,000 5,029  
        total assets
      1,108,984,000 1,042,216,000 965,368,000 912,675,000 928,180,000 868,983,000 849,618,000 807,949,000 752,242,000 671,098,000 587,096,000 513,672,000 493,380,000 451,804,000 439,705,000 423,800,000 436,192,000 421,961,000 440,748,000 448,310,000 472,278,000 487,198,000 446,597,000 466,451,000 467,411,000 437,106,000 413,604,000 410,022,000 429,951,000 408,650,000 400,137,000 405,653,000 414,986,000 424,329,000 419,959,000 436,992,000 462,516,000     503,423,000 506,364,000 520,888,000 541,443,000 508,349,000 515,064,000 519,602,000 530,903,000 501,212,000 473,425,000 440,281,000 448,312,000 449,481,000 451,916,000 426,976,000 421,676,000 439,782,000 413,187,000 398,865,000 400,712,000 418,994,000 413,626,000 404,711,000 404,840,000 416,663,000 396,450,000 400,281,000 397,634,000 395,074,000 373,310,000 360,599,000 341,015,000 340,784,000 324,607,000 315,679,000 253,470,000 239,755,000 230,842,000  217,825,000 197,169,000 193,340 190,340,000 
        liabilities and stockholders’ equity
                                                                                          
        current liabilities:
                                                                                          
        accounts payable
      67,080,000 66,203,000 74,514,000 65,007,000 73,633,000 79,693,000 79,767,000 50,173,000 56,666,000 62,849,000 51,209,000 38,632,000 63,423,000 46,235,000 48,697,000 42,348,000 45,247,000 33,416,000 39,598,000 28,012,000 35,029,000 38,512,000 44,106,000 45,166,000 51,180,000 38,483,000 33,565,000 31,963,000 40,714,000 33,726,000 35,210,000 28,780,000 33,269,000 25,218,000 27,672,000 32,670,000 34,985,000 35,925,000 42,838,000 45,582,000 48,008,000 54,253,000 53,339,000 59,610,000 70,209,000 47,056,000 49,855,000 50,539,000 58,501,000 53,754,000 51,085,000 39,622,000 48,490,000 54,827,000 60,234,000 51,604,000 56,893,000 46,777,000 43,094,000 36,223,000 41,850,000 39,289,000 38,220,000 40,506,000 48,124,000 56,680,000 48,976,000 57,055,000 54,168,000 64,160,000 57,586,000 54,087,000 65,225,000 51,882,000 57,313,000 39,263,000 31,214,000 22,253,000 22,692,000 22,104,000 20,081,000 18,287,000   
        contract liabilities
      297,949,000 299,512,000 283,372,000 282,595,000 287,763,000 282,924,000 315,699,000 328,888,000 279,796,000 225,767,000 178,217,000 133,753,000 79,857,000 66,582,000 56,706,000 49,396,000 42,433,000 43,140,000 54,098,000 70,939,000 79,445,000 97,969,000 57,821,000 77,556,000 71,464,000 60,868,000 51,088,000 51,410,000                                                         
        accrued compensation and benefits
      39,184,000 28,439,000 19,030,000 12,680,000 33,777,000 26,565,000 19,624,000 11,637,000 29,947,000 24,261,000 17,789,000 10,395,000 24,785,000 15,427,000 12,608,000 8,152,000 20,395,000 16,379,000 13,356,000 10,129,000 21,739,000 18,618,000 15,402,000 9,763,000 20,182,000 16,078,000 12,255,000 11,125,000 22,274,000                                                        
        accrued product warranty
      6,356,000 6,058,000 6,284,000 6,106,000 5,822,000 5,226,000 4,568,000 3,680,000 3,305,000 3,202,000 2,711,000 2,380,000 2,345,000 2,288,000 2,347,000 2,443,000 2,531,000 2,432,000 2,467,000 2,675,000 2,771,000 3,011,000 3,276,000 3,162,000 2,946,000 3,180,000 2,986,000 2,732,000 2,604,000 2,363,000 2,241,000 2,890,000 3,174,000 3,332,000 3,649,000 4,230,000 4,639,000 4,729,000 4,787,000 5,105,000 4,930,000 4,723,000 4,375,000 4,480,000 4,557,000 4,755,000 4,833,000 5,010,000 5,450,000 4,791,000 5,242,000 5,754,000 5,714,000 4,427,000 4,783,000 4,396,000 4,603,000 5,078,000 5,763,000 5,845,000 5,929,000 6,247,000 7,054,000 7,437,000 7,558,000 6,604,000 6,336,000 7,291,000 6,793,000 7,480,000 6,866,000 6,162,000 5,787,000 5,308,000 4,664,000 3,836,000 3,384,000 3,337,000 2,103,000 1,836,000 1,607,000 1,373,000   
        current operating lease liabilities
      882,000 610,000 650,000 630,000 595,000 482,000 573,000 645,000 773,000 839,000 989,000 1,545,000 1,777,000 953,000 1,629,000 1,966,000 1,415,000 1,640,000 1,948,000 2,154,000 2,352,000 2,306,000 2,062,000 2,247,000                                                             
        income taxes payable
      11,028,000 6,451,000 3,264,000 12,321,000 8,983,000 7,581,000 4,954,000 11,985,000 6,517,000 1,737,000 2,584,000 2,738,000 1,720,000 356,000 1,102,000 554,000 1,076,000 54,000 310,000 1,799,000 1,861,000 425,000 912,000 1,034,000 913,000 507,000 279,000 878,000 897,000 1,418,000 1,437,000 1,437,000 1,219,000 1,084,000 922,000 1,477,000 1,459,000 1,202,000 1,113,000 1,221,000 784,000 1,239,000 966,000  705,000 3,155,000 5,267,000 10,195,000 5,917,000 4,676,000 988,000 879,000 3,516,000 1,715,000 2,360,000 450,000 881,000 3,408,000 1,316,000 2,217,000 1,500,000 4,344,000 4,636,000 4,165,000 7,637,000 13,087,000 6,306,000 4,293,000 7,223,000 2,357,000 902,000 2,906,000 1,669,000 1,265,000 1,803,000 1,761,000 4,086,000 2,886,000 1,389,000 1,185,000 514,000 888,000   
        other current liabilities
      23,908,000 20,072,000 17,730,000 17,330,000 17,442,000 15,964,000 16,641,000 20,843,000 18,682,000 16,341,000 16,192,000 14,331,000 12,466,000 12,509,000 9,794,000 8,809,000 7,659,000 7,849,000 8,778,000 10,720,000 9,350,000 9,258,000 9,017,000 10,215,000 10,811,000 10,285,000 9,710,000 8,275,000 7,786,000                                                        
        total current liabilities
      446,387,000 427,345,000 404,844,000 396,669,000 428,015,000 418,435,000 441,826,000 427,851,000 395,686,000 334,996,000 269,691,000 203,774,000 186,373,000 144,350,000 132,883,000 113,668,000 121,156,000 105,310,000 120,955,000 126,828,000 152,947,000 170,499,000 132,996,000 149,543,000 157,896,000 129,801,000 110,283,000 106,783,000 117,849,000 99,119,000 85,707,000 84,651,000 85,579,000 91,037,000 83,912,000 98,575,000 118,248,000 116,437,000 117,749,000 122,243,000 124,952,000 146,395,000 149,271,000 144,243,000 158,099,000 120,295,000 130,241,000 146,179,000 168,063,000 160,641,000 141,282,000 114,796,000 130,873,000 145,571,000 161,693,000 145,969,000 137,724,000 144,155,000 118,775,000 109,410,000 114,746,000 118,034,000 121,296,000 123,581,000 149,142,000 167,238,000 165,323,000 177,750,000 152,736,000 161,844,000 148,690,000 134,601,000 135,612,000 123,938,000 121,775,000 110,039,000 77,552,000 66,687,000 61,991,000  56,184,000 48,404,000 44,424  
        deferred compensation
      13,707,000 13,384,000 12,418,000 12,999,000 12,027,000 11,436,000 11,195,000 10,965,000 9,145,000 9,447,000 9,114,000 8,930,000 7,749,000 8,100,000 9,085,000 9,749,000 8,613,000 8,793,000 8,413,000 8,197,000 6,710,000 6,524,000 5,653,000 7,052,000 6,447,000 6,497,000 6,347,000 5,839,000 5,902,000 5,652,000 5,600,000 5,628,000 5,314,000 5,073,000 4,923,000 4,815,000 4,840,000 5,562,000 5,674,000 5,759,000 4,950,000 5,272,000 5,446,000 5,376,000 4,226,000 4,282,000 4,118,000 4,031,000 3,480,000 3,324,000 3,364,000 3,287,000 2,891,000 2,870,000 2,955,000 2,670,000 3,242,000 3,279,000 3,191,000 2,818,000 2,730,000 2,911,000 2,922,000 2,791,000 2,685,000 2,580,000 2,707,000 2,764,000 2,821,000 2,928,000 3,140,000 3,187,000 3,155,000 1,738,000 1,736,000 1,739,000 1,733,000 1,727,000 1,727,000 1,918,000 1,858,000 1,848,000   
        long-term operating lease liabilities
      782,000 614,000 761,000 735,000 621,000 427,000 516,000 573,000 663,000 741,000 731,000 713,000 545,000 1,159,000 1,836,000 1,866,000 2,413,000 2,554,000 2,897,000 3,075,000 3,434,000 3,870,000 4,229,000 4,792,000                                                             
        deferred income tax liabilities
      5,297,000 3,914,000 3,721,000 3,750,000 2,708,000                                                                                
        other long-term liabilities
      2,041,000 2,054,000 2,261,000 2,190,000 1,736,000 1,946,000 2,296,000 2,240,000 1,722,000 1,844,000 1,765,000 1,783,000 1,507,000 2,247,000 3,031,000 2,938,000 2,787,000 2,363,000 2,151,000 2,365,000 2,161,000 2,334,000 3,188,000 2,991,000 3,115,000 4,349,000 3,880,000 4,242,000 3,356,000 1,232,000 1,238,000 1,200,000 1,197,000 1,519,000 1,510,000 1,479,000 1,466,000 792,000 780,000 787,000 723,000 664,000 669,000 655,000 655,000                                        
        total liabilities
      468,214,000 447,311,000 424,005,000 416,343,000 445,107,000 432,244,000 455,833,000 441,629,000 407,216,000 347,028,000 281,301,000 215,200,000 196,174,000 155,856,000 146,835,000 128,221,000 134,969,000 119,020,000 134,416,000 140,465,000 165,652,000 183,627,000 146,466,000 164,778,000 168,258,000 141,447,000 121,310,000 117,664,000 128,307,000 107,203,000 93,745,000 92,679,000 93,690,000 99,229,000 92,007,000 106,941,000 127,199,000 125,806,000 127,725,000 132,818,000 135,562,000 157,775,000 161,337,000 156,733,000 170,346,000 133,234,000 143,517,000 160,046,000 175,677,000 168,083,000 148,767,000 122,147,000 138,209,000 153,156,000 169,442,000 153,511,000 146,333,000 152,705,000 127,393,000 117,776,000 123,409,000 139,574,000 145,313,000 146,560,000 157,623,000 179,181,000 177,308,000 190,262,000 190,512,000 196,277,000 185,221,000 180,455,000 167,168,000 170,207,000 158,956,000 151,307,000 98,261,000 87,858,000 84,345,000  75,484,000 58,227,000 53,736  
        commitments and contingencies
                                                                                          
        stockholders’ equity:
                                                                                          
        preferred stock, par value 0.01; 5,000,000 shares authorized; none issued
                                                                                          
        common stock
      129,000 129,000 129,000 129,000 128,000 128,000 128,000 127,000 127,000 126,000 126,000 126,000 126,000 126,000 126,000 126,000 125,000 125,000 125,000 125,000 124,000 124,000 124,000 124,000 124,000 124,000 124,000 123,000 123,000 123,000 123,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 122,000 121,000 120,000 120,000 121,000 120,000 120,000 120,000 120,000 119,000    119,000 119,000 118,000 118,000 117,000 117,000 117,000 117,000 117,000 116,000 116,000 115,000 115,000 114,000 114,000 114,000 114,000 114,000 113,000 112,000 111,000 111,000 111,000 110,000 110,000 110,000 110,000 110,000 110,000 110,000   
        additional paid-in capital
      62,834,000 62,086,000 60,990,000 59,959,000 70,111,000 69,305,000 68,348,000 68,854,000 71,526,000 70,913,000 69,955,000 68,454,000 67,439,000 65,661,000 65,075,000 64,364,000 63,948,000 63,500,000 63,112,000 62,259,000 61,998,000 60,927,000 60,492,000 59,524,000 59,153,000 57,838,000 57,511,000 57,258,000 56,769,000 56,235,000 55,958,000 54,960,000 54,329,000 53,909,000 53,425,000 52,614,000 52,003,000 51,742,000 50,817,000 50,055,000 48,507,000 47,972,000 47,277,000 46,929,000 46,267,000 45,607,000 44,694,000 43,854,000 43,193,000 41,634,000 40,675,000  38,452,000 37,623,000 35,187,000 34,415,000 34,343,000 35,204,000 35,060,000 35,636,000 34,546,000 33,364,000 31,521,000 30,804,000 29,970,000 29,240,000 27,947,000 27,511,000 26,921,000 24,821,000 22,055,000 20,014,000 16,854,000 16,815,000 15,430,000 13,830,000 12,510,000 11,182,000 10,698,000 10,252,000 10,092,000 9,565,000   
        retained earnings
      629,848,000 581,703,000 536,736,000 493,673,000 462,194,000 419,384,000 376,401,000 346,162,000 325,281,000 302,040,000 286,777,000 281,493,000 283,638,000 278,017,000 272,068,000 276,390,000 282,505,000 282,284,000 287,364,000 290,624,000 294,016,000 294,052,000 293,590,000 289,184,000 289,422,000 285,891,000 283,805,000 285,843,000 291,530,000 292,974,000 295,653,000 301,959,000 310,598,000 318,712,000 324,897,000 328,693,000 331,959,000 329,414,000 327,481,000 324,843,000 328,294,000 325,014,000 321,027,000 327,846,000 331,213,000 331,786,000 331,842,000 319,249,000 313,987,000 295,427,000 286,114,000 279,296,000 271,911,000 260,067,000 247,921,000 240,510,000 242,254,000 251,607,000 249,900,000 247,401,000 244,969,000 249,751,000 239,464,000 229,605,000 219,961,000 210,087,000 196,949,000 188,097,000 180,244,000 171,905,000 164,013,000 157,983,000 154,572,000 152,112,000 148,942,000 149,382,000 143,665,000 141,908,000 137,763,000 136,670,000 134,830,000 132,698,000 132,990  
        treasury stock
      -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -24,999,000 -21,259,000 -12,523,000 -5,759,000                                  -847,000 -1,032,000 -1,359,000 -1,417,000 -1,573,000 -2,202,000   
        accumulated other comprehensive loss
      -27,042,000 -24,014,000 -31,493,000 -32,430,000 -24,361,000 -27,079,000 -26,093,000 -23,824,000 -26,909,000 -24,010,000 -26,064,000 -26,602,000 -28,998,000 -22,857,000 -19,400,000 -20,302,000 -20,356,000 -17,969,000 -19,270,000 -20,164,000 -24,513,000 -26,533,000 -29,076,000 -22,160,000 -24,547,000 -23,195,000 -24,147,000 -25,867,000 -21,779,000 -22,886,000 -20,343,000 -19,068,000 -18,754,000 -22,644,000 -25,493,000 -26,379,000 -23,768,000 -21,679,000 -20,387,000 -24,939,000 -22,401,000 -14,935,000 -17,638,000 -10,741,000 -6,503,000 -2,398,000 -5,109,000 -3,667,000 -2,073,000             -2,997,000                       
        total stockholders’ equity
      640,770,000                                               359,556,000 355,226,000    310,103,000 296,325,000 282,474,000 273,465,000 275,343,000 287,077,000 285,794,000 281,089,000 277,303,000 279,420,000 267,731,000 257,594,000 246,761,000 236,995,000 218,864,000 209,496,000 206,874,000 198,655,000 187,891,000 179,727,000 173,549,000 170,220,000 165,264,000 164,035,000 154,906,000 151,601,000 146,198,000  142,093,000 138,700,000 136,604  
        total liabilities and stockholders’ equity
      1,108,984,000                                               519,602,000 530,903,000    448,312,000   426,976,000    398,865,000     404,840,000 416,663,000 396,450,000 400,281,000 397,634,000 395,074,000 373,310,000 360,599,000 341,015,000 340,784,000 324,607,000 315,679,000 253,470,000 239,755,000 230,842,000  217,825,000 197,169,000 190,340  
        goodwill and intangible assets
       1,503,000 1,503,000 1,503,000 1,503,000 1,503,000 1,503,000 1,503,000 1,003,000  1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,003,000 1,028,000 1,072,000 1,116,000 1,161,000 1,205,000 1,249,000 1,293,000 1,337,000 1,381,000 1,426,000 1,470,000 1,514,000 1,558,000 1,602,000 1,646,000 1,719,000 1,822,000 1,887,000 1,971,000 2,059,000 2,148,000 2,234,000 2,299,000 2,393,000                                            
        liabilities and stockholders' equity
                                                                                          
        stockholders' equity:
                                                                                          
        total stockholders' equity
       594,905,000 541,363,000 496,332,000 483,073,000 436,739,000 393,785,000 366,320,000 345,026,000 324,070,000 305,795,000 298,472,000 297,206,000 295,948,000 292,870,000 295,579,000 301,223,000 302,941,000 306,332,000 307,845,000 306,626,000 303,571,000 300,131,000 301,673,000 299,153,000 295,659,000 292,294,000 292,358,000 301,644,000 301,447,000 306,392,000 312,974,000 321,296,000 325,100,000 327,952,000 330,051,000 335,317,000 334,600,000 333,034,000 325,082,000 333,262,000 345,648,000 345,027,000 364,155,000 371,097,000 375,115,000 371,547,000   333,129,000 324,658,000 318,134,000                                136,604,000 
        total liabilities and stockholders' equity
       1,042,216,000 965,368,000 912,675,000 928,180,000 868,983,000 849,618,000 807,949,000 752,242,000 671,098,000 587,096,000 513,672,000 493,380,000 451,804,000 439,705,000 423,800,000 436,192,000 421,961,000 440,748,000 448,310,000 472,278,000 487,198,000 446,597,000 466,451,000 467,411,000 437,106,000 413,604,000 410,022,000 429,951,000 408,650,000 400,137,000 405,653,000 414,986,000 424,329,000 419,959,000 436,992,000 462,516,000 460,406,000 460,759,000 457,900,000 468,824,000 503,423,000 506,364,000 520,888,000 541,443,000 508,349,000 515,064,000   501,212,000 473,425,000 440,281,000                                190,340,000 
        income taxes receivable
         28,000 61,000 131,000 95,000 64,000 100,000 147,000 119,000 84,000 105,000 291,000 154,000 217,000 161,000 172,000 147,000 146,000 467,000 373,000 105,000 149,000 233,000 72,000 93,000 268,000 6,904,000 7,471,000 7,678,000 7,587,000 8,222,000 7,544,000 4,196,000 3,066,000 1,713,000 2,822,000 2,529,000 2,995,000 1,232,000 2,139,000 3,493,000 3,356,000 2,804,000 2,650,000 2,635,000 2,749,000 3,022,000 3,611,000 1,712,000 305,000 485,000 301,000 553,000 2,378,000 4,071,000 5,191,000 4,555,000 7,129,000 6,726,000 1,224,000 51,000 81,000 695,000 181,000 135,000 140,000 149,000 1,128,000 3,180,000 729,000 548,000 2,875,000 2,674,000 1,291,000 44,000 213,000 234,000 507,000 1,154,000 1,717,000   
        deferred income taxes
           17,212,000 17,105,000 17,229,000 17,064,000 11,712,000 10,944,000 10,056,000 9,161,000 10,187,000 4,690,000 5,554,000 4,639,000 4,230,000 4,666,000 3,726,000 3,644,000 3,477,000 4,411,000 5,243,000 5,117,000 6,960,000 6,283,000 6,453,000     3,539,000 4,061,000 4,173,000 4,347,000 4,006,000 4,054,000 4,198,000 4,390,000 3,910,000 5,010,000 5,170,000 5,106,000 5,297,000 6,115,000 5,925,000 5,407,000 4,716,000 4,910,000 4,798,000 4,771,000 4,598,000 4,189,000 4,011,000 3,781,000 3,580,000 5,307,000 4,164,000 3,360,000 3,087,000 4,296,000 3,893,000 3,640,000 3,303,000 3,311,000 3,508,000 2,532,000 1,518,000  457,000 2,071,000 1,898,000 793,000 2,235,000 162,000 643,000 798,000 1,392,000 1,836,000 1,519,000 1,454,000   
        current maturities of long-term debt
                      400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000                                              
        long-term debt
                          400,000 400,000 400,000 400,000 800,000 800,000 800,000 800,000 1,200,000 1,200,000 1,200,000 1,200,000 1,600,000 1,600,000 1,600,000 1,600,000 2,000,000 2,000,000 2,000,000                                              
        preferred stock, par value .01; 5,000,000 shares authorized; none issued
                                                                                          
        restricted cash
                               8,188,000 10,835,000 8,934,000 19,154,000 19,952,000 22,943,000 19,402,000 15,104,000 15,485,000                                                   
        costs and estimated earnings in excess of billings on uncompleted contracts
                                  82,545,000 70,939,000 44,008,000 38,985,000 51,554,000 46,127,000 56,618,000 59,951,000 66,106,000 80,026,000 89,970,000 99,266,000 104,793,000 97,901,000 96,709,000 84,922,000 95,970,000 83,999,000 79,517,000 78,106,000 86,621,000 73,806,000 72,077,000 70,643,000 86,734,000 87,036,000 77,768,000 53,138,000 51,568,000 43,927,000 36,399,000 33,416,000 38,064,000 35,018,000 40,178,000 43,248,000 46,335,000 55,539,000 55,380,000 81,908,000 82,574,000 83,813,000 78,317,000 54,526,000 69,442,000 63,426,000 55,104,000 52,325,000 39,767,000 43,545,000 44,509,000 35,328,000 29,994,000 28,851,000   
        billings in excess of costs and estimated earnings on uncompleted contracts
                                  43,174,000 39,437,000 28,722,000 36,729,000 26,166,000 41,882,000 32,539,000 40,208,000 43,974,000 43,021,000 39,556,000 43,407,000 42,057,000 57,317,000 64,171,000 59,280,000 48,702,000 34,254,000 42,019,000 34,130,000 60,201,000 67,187,000 58,202,000 45,185,000 37,144,000 53,414,000 68,617,000 65,142,000 44,523,000 64,565,000 46,941,000 40,352,000 31,009,000 34,630,000 38,468,000 42,427,000 44,772,000 51,988,000 65,038,000 66,199,000 39,336,000 43,203,000 41,734,000 38,777,000 25,924,000 31,252,000 29,037,000 37,536,000 15,537,000 18,275,000 18,415,000 15,742,000 18,087,000 16,810,000   
        deferred credit ─ short term
                                      507,000 1,015,000 1,522,000 2,029,000 2,029,000 2,029,000 2,029,000 2,029,000 2,029,000 2,029,000 2,029,000 2,029,000                                         
        accrued salaries, bonuses and commissions
                                   16,268,000 12,079,000 10,044,000 14,984,000 14,106,000 12,783,000 12,295,000 22,550,000 22,851,000 20,883,000 15,332,000 19,223,000 18,302,000 19,388,000 14,089,000 25,206,000 22,388,000 20,063,000 16,451,000 27,474,000 23,461,000 19,304,000 15,745,000 25,822,000 24,071,000 19,176,000 15,388,000 22,314,000 16,220,000 14,329,000 13,848,000 25,064,000 22,515,000 22,739,000 17,795,000 24,503,000 22,338,000 19,818,000 18,247,000 26,361,000 23,833,000 17,639,000 14,872,000 19,010,000 16,180,000 13,006,000 11,148,000 12,367,000 9,668,000 8,754,000 9,820,000 8,422,000 6,652,000   
        other accrued expenses
                                   5,507,000 5,618,000 4,371,000 5,860,000 4,000,000 4,425,000 5,266,000 8,212,000 6,280,000 6,143,000 9,167,000 7,521,000 8,132,000 4,603,000 4,355,000 6,291,000 6,258,000 5,775,000 8,419,000 10,104,000 6,333,000 5,998,000 7,125,000 9,462,000 6,281,000 5,607,000 7,951,000 7,370,000 6,729,000 5,886,000 9,159,000 7,711,000 8,741,000 7,859,000 8,935,000 11,856,000 9,867,000 12,451,000 13,016,000 11,041,000 12,771,000 10,346,000 9,393,000 9,533,000 9,481,000 7,641,000 8,041,000 7,549,000 6,708,000 6,023,000 5,957,000 5,910,000 3,926,000 6,074  
        deferred credit ─ long term
                                          507,000 1,015,000 1,522,000 2,029,000 2,537,000 3,044,000 3,551,000 4,059,000                                         
        long-term receivable
                                            2,333,000 2,333,000 2,333,000 2,333,000 2,333,000 4,667,000 4,667,000 4,667,000 4,667,000                                      
        current maturities of long-term debt and capital lease obligations
                                             400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 416,000 439,000 463,000 486,000 725,000 836,000 916,000 1,038,000 1,140,000 1,378,000 1,446,000 1,766,000 1,683,000 2,268,000 2,320,000 2,316,000 4,692,000 6,674,000 6,398,000 11,649,000 7,814,000 8,040,000 13,617,000 8,404,000 8,464,000 8,570,000 8,311,000 8,454,000 3,415,000 3,560,000 2,615,000 2,095,000 1,563,000 468,000   
        long-term debt and capital lease obligations, net of current maturities
                                             2,000,000 2,400,000 2,400,000 2,400,000 2,400,000 2,800,000 2,800,000 2,800,000 2,800,000 3,200,000 3,200,000 3,200,000 3,200,000 3,630,000 3,646,000 3,712,000 3,803,000 4,301,000 4,387,000 4,543,000 4,675,000 5,202,000 17,595,000 20,073,000 19,200,000 4,800,000 8,269,000 8,211,000 8,709,000 33,944,000 30,377,000 32,299,000 41,608,000 27,372,000 43,302,000 34,213,000 38,295,000 17,450,000 17,783,000 18,833,000 19,436,000 16,018,000 6,592,000   
        current assets held for sale
                                                     20,903,000                                     
        long-term assets held for sale
                                                     155,000                                     
        deferred credit − short term
                                                  2,029,000                                        
        current liabilities held for sale
                                                     19,006,000                                     
        deferred credit − long term
                                                  4,566,000                                        
        long-term liabilities held for sale
                                                     191,000                                     
        deferred credit-short term
                                                   2,029,000 2,029,000 2,029,000                                     
        postretirement benefit obligation and other long-term liabilities
                                                   784,000 777,000                                      
        deferred credit-long term
                                                   5,073,000 5,581,000 6,088,000                                     
        prepaid expenses and other current assets
                                                    8,146,000 5,057,000 6,831,000 4,855,000 6,334,000 5,240,000 5,865,000 3,702,000 4,208,000 4,331,000 7,040,000 6,870,000 8,114,000 6,334,000 8,951,000 4,922,000 3,101,000 6,528,000 6,741,000 6,553,000 2,859,000 2,459,000 3,935,000 2,464,000 3,856,000 3,855,000 4,235,000 4,744,000 4,176,000 5,813,000 2,776,000 5,631,000 7,717,000 4,461,000 5,858,000 4,529,000   
        postretirement benefit obligation
                                                     757,000 739,000    685,000    900,000    532,000 830,000 815,000 778,000 784,000 882,000 857,000 832,000 807,000 1,017,000 992,000 967,000 942,000            
        other liabilities
                                                      195,000 918,000 921,000 864,000 130,000 1,069,000 1,082,000 1,069,000 166,000 884,000 884,000 873,000 199,000 204,000 207,000 210,000 212,000 212,000 210,000 207,000 204,000 111,000 100,000 92,000 87,000 9,000 36,000 63,000 1,526,000 1,661,000 1,794,000 1,871,000 1,424,000 1,383,000 813  
        shares issued and outstanding, respectively
                                                       119,000 119,000 119,000                                 
        accumulated other comprehensive income
                                                       -4,051,000 -2,250,000 -675,000 -379,000 -1,484,000 -752,000 -1,578,000 -1,371,000 149,000 717,000 -985,000 -1,352,000  -2,832,000 -2,191,000 -2,716,000 -1,715,000 -5,877,000 -5,416,000 335,000 2,084,000 2,071,000 2,071,000 2,557,000 1,812,000 1,509,000 1,533,000 432,000 483,000 44,000 -11,000 -27,000 7,000   
        additional paid-in-capital
                                                         39,394,000                                 
        cash held in escrow
                                                            75,000  1,000,000      2,454,000 2,383,000                     
        liabilities and equity
                                                                                          
        equity:
                                                                                          
        total liabilities and equity
                                                           449,481,000 451,916,000  421,676,000 439,782,000 413,187,000  400,712,000 418,994,000 413,626,000 404,711,000                     
        equity
                                                                                          
        noncontrolling interest
                                                                    582,000 557,000                     
        total equity
                                                                  277,303,000 279,420,000 268,313,000 258,151,000                     
        minority interest
                                                                      456,000 487,000 278,000 523,000 248,000 142,000 198,000 417,000 298,000 357,000 387,000 337,000 303,000 296,000 299,000 281,000 248,000 242,000   
        postretirement benefits obligation
                                                                               1,220,000 1,196,000 1,171,000         
        marketable securities
                                                                                    10,200,000  12,225,000 40,372,000   
        consolidated balance sheet
                                                                                          
        amounts in thousands
                                                                                          
        balance sheet data:
                                                                                          
        long-term debt and capital lease obligations,
                                                                                          
        including current maturities
                                                                                         7,359,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-07-31 2006-04-30 2006-01-31 2005-10-31 2005-07-31 
                                                                                         
          operating activities:
                                                                                         
          net income
        51,420,000 48,234,000 46,330,000 34,763,000 46,052,000 46,223,000 33,488,000 24,085,000 26,435,000 18,454,000 8,474,000 1,162,000 8,739,000    3,260,000 -2,040,000 -225,000 -364,000 2,983,000 3,481,000 7,421,000 2,775,000 6,538,000        -5,143,000 -3,215,000   5,508,000 4,894,000   6,312,000 7,049,000 -3,683,000 -239,000 2,430,000 2,947,000 15,592,000 8,255,000 18,568,000 9,305,000 6,818,000 7,385,000 11,853,000 12,138,000 7,411,000 -1,745,000 -9,353,000 1,707,000 2,499,000 2,432,000 -4,782,000 10,319,000 9,885,000 9,745,000 9,874,000 13,138,000 8,852,000 7,853,000 8,339,000 7,893,000 6,029,000 3,586,000 2,460,000 3,170,000 1,391,000 2,892,000 1,757,000 4,145,000 1,093,000 1,840,000 2,132,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                         
          depreciation and amortization
                    2,152,000 2,375,000 2,417,000 2,414,000 2,436,000 2,610,000 2,659,000 2,630,000 2,660,000 2,637,000 2,644,000 2,597,000 2,624,000 2,948,000 3,239,000 3,221,000                                                 1,443,000 1,658,000 1,805,000  1,202,000 
          stock-based compensation
        960,000 1,131,000 1,031,000 1,513,000 927,000 957,000 1,206,000 1,657,000 685,000 958,000 1,649,000 1,307,000 1,782,000 588,000 712,000 1,008,000 448,000 388,000 853,000 894,000 1,083,000 441,000 968,000 982,000 1,619,000 330,000 670,000 1,220,000 667,000 418,000 998,000 1,069,000 420,000 484,000 811,000 1,009,000 648,000 1,117,000 775,000 2,343,000 909,000 695,000 451,000 1,116,000 520,000 864,000 816,000 1,185,000 1,217,000 1,024,000 1,281,000 942,000 829,000 508,000 313,000 73,000 -1,018,000 29,000 363,000 725,000 437,000 329,000 346,000 817,000 -227,000 596,000 663,000 590,000 -289,000 596,000 1,052,000 808,000 -225,000 501,000 169,000 206,000 1,106,000 318,000 417,000   
          unrealized mark-to-market gain on derivative contracts
        199,000 -410,000   -213,000 -83,000                                                                            
          bad debt expense (recovery)
               -29,000      -171,000 354,000 91,000                                                                  
          deferred income taxes
        -2,021,000 -1,576,000 -1,284,000 13,000 -7,326,000 -107,000 124,000 -165,000 -5,296,000 -768,000 -888,000 -895,000 687,000 -5,497,000 864,000 -915,000 -409,000 436,000 -940,000 -82,000 -167,000 934,000 832,000 -126,000          -672,000                -326,000 219,000 -180,000 -1,149,000 -577,000 308,000 -4,000 5,015,000 -4,658,000 -804,000 22,000 1,739,000 -831,000 -719,000 -537,000 -36,000 315,000 -810,000 -916,000 -1,610,000 -434,000 2,559,000 -197,000 -885,000 -163,000 638,000 -182,000 -1,758,000 436,000 331,000  -60,000 
          changes in operating assets and liabilities:
                                                                                         
          accounts receivable
        -5,182,000 -7,216,000 -9,079,000 19,042,000 -40,408,000 10,287,000 -15,283,000 38,095,000 -2,732,000 -33,686,000 -18,753,000 -44,547,000 -4,618,000 -14,349,000 -11,473,000 -1,189,000 -6,314,000 -375,000 5,429,000 -6,249,000 27,701,000 -6,178,000 8,602,000 11,844,000 -3,843,000 -29,066,000 8,331,000 4,385,000 -17,924,000 -4,980,000 10,830,000 -25,102,000 24,136,000 -10,237,000 21,850,000 12,234,000 -13,086,000 15,029,000 -20,177,000 18,603,000 6,228,000 12,484,000 7,353,000 -25,674,000 13,557,000 -1,126,000 -18,049,000 7,577,000 -6,939,000 1,474,000 3,734,000 7,569,000 -18,280,000 -9,684,000 33,335,000 -21,580,000 -3,465,000 -3,827,000 -8,198,000 -2,126,000 16,063,000 -4,656,000 10,723,000 17,557,000 1,627,000 11,682,000 6,540,000 -4,457,000 -1,677,000 -14,127,000 13,214,000 -24,556,000 13,007,000 -8,766,000 -679,000 -2,984,000 -923,000 -20,672,000 2,914,000  -13,817,000 
          contract assets and liabilities
        -5,114,000 -1,454,000 -22,869,000 5,942,000 -7,410,000 -48,642,000 -20,373,000 41,711,000 49,437,000 55,079,000 44,784,000 78,298,000 -6,879,000 113,000 16,618,000 -6,730,000 -4,278,000 -19,026,000 -11,692,000 -4,955,000 -17,604,000 49,764,000 -21,088,000 1,474,000 12,379,000 23,291,000 -1,373,000 21,036,000                                                      
          inventories
        5,704,000 1,234,000 -819,000 -3,143,000 -564,000 -3,117,000 -12,533,000 -5,604,000 2,028,000 -7,244,000 -3,654,000 -4,406,000 -2,039,000 -5,552,000 -7,523,000 -6,312,000 -1,590,000 1,698,000 -951,000 244,000 2,838,000 -439,000 959,000 -3,054,000 213,000 -4,750,000 401,000 -3,853,000 1,519,000 -981,000 -3,473,000 -88,000 694,000 1,431,000 3,644,000 2,444,000 1,520,000 1,986,000 4,131,000 -1,478,000 3,237,000 -449,000 638,000 -3,998,000 -4,306,000 842,000 -900,000 405,000 1,905,000 1,478,000 -1,113,000 1,611,000 7,909,000 2,003,000 -4,863,000 -1,101,000 4,289,000 -2,008,000 -2,357,000 1,618,000 398,000 -229,000 3,956,000 8,195,000 8,116,000 5,382,000 4,281,000 8,105,000 -1,573,000 -8,689,000 -3,546,000 -11,705,000 -6,745,000 36,000 -4,851,000 -7,588,000 -4,165,000 -718,000 -3,607,000  1,030,000 
          income taxes
        3,721,000 4,916,000 -10,836,000 3,377,000 1,478,000 2,592,000 -7,063,000 5,508,000 4,823,000 -873,000 -186,000 1,048,000 1,545,000 -888,000 609,000 -578,000 1,029,000 -271,000 -1,498,000 267,000 1,348,000 -755,000 -89,000 216,000 242,000 241,000 -422,000 6,620,000 51,000 177,000 -85,000 853,000                                              620,000 -201,000  84,000 
          prepaid expenses and other current assets
        -2,728,000 -1,759,000 2,816,000 -6,000 -2,716,000 -2,045,000 2,497,000 -826,000 -1,272,000 -3,007,000 658,000 368,000 -2,595,000 -991,000 152,000 857,000 -1,078,000 -1,052,000 2,376,000 166,000 -409,000 -1,776,000 2,349,000 498,000 -1,296,000 -1,391,000 626,000 -565,000 -1,161,000 -1,232,000 1,055,000 1,101,000 4,262,000 -2,771,000 -239,000 -799,000 745,000 -1,536,000 3,655,000 -1,522,000 581,000 462,000 1,146,000 467,000 -1,436,000 -624,000 -672,000 1,631,000   -2,576,000 798,000 -2,288,000 718,000 2,000,000 4,391,000 719,000 619,000 926,000 2,250,000 -7,784,000 -5,185,000 3,465,000 3,691,000 -773,000 -3,764,000 -403,000 1,508,000 -525,000 3,445,000 -2,454,000 191,000 2,817,000 865,000 -1,342,000 -4,694,000 3,035,000 2,124,000 -2,985,000  -950,000 
          accounts payable
        22,000 -7,770,000 8,419,000 -8,162,000 -6,069,000 -464,000 29,871,000 -6,992,000 -5,918,000 11,670,000 12,230,000 -24,149,000 17,068,000 -1,846,000 6,290,000 -2,918,000 11,962,000 -6,110,000 11,295,000 -7,387,000 -4,045,000 -5,662,000 -145,000 -5,457,000 11,724,000 4,906,000 1,542,000 -8,622,000 6,864,000 -301,000 5,733,000 -4,144,000                                                  
          accrued liabilities
        11,949,000 11,497,000 7,084,000 -20,797,000 9,348,000 7,116,000 4,934,000 -16,387,000 8,201,000 6,859,000 9,410,000 -12,741,000 9,584,000 5,085,000 5,274,000 -11,035,000 3,978,000 1,990,000 968,000 -10,087,000 2,770,000 2,858,000 4,965,000 -10,128,000 4,470,000 4,589,000 2,745,000 -10,385,000 8,504,000 4,406,000 2,622,000 -6,673,000 2,341,000 380,000 -999,000 -13,398,000 1,617,000 2,204,000 2,004,000 -1,898,000 963,000 2,509,000 5,948,000 -12,793,000 3,772,000 2,538,000 838,000 -12,145,000 5,402,000 4,137,000 2,166,000 -12,338,000 5,921,000 5,415,000 1,601,000 -6,526,000 6,655,000 2,017,000 -2,534,000 -10,393,000 991,000 900,000 3,797,000 -11,080,000 5,101,000 1,582,000 -88,000 -6,635,000 546,000 9,231,000 4,429,000 -3,784,000 3,272,000 5,574,000 2,611,000 -3,580,000 3,540,000 2,763,000 -725,000  3,282,000 
          other
        -51,000 -1,168,000 154,000 2,671,000 -871,000 -859,000 -1,657,000 1,163,000 -1,168,000 235,000 68,000 1,864,000 -1,112,000 -698,000 1,748,000 320,000 -66,000 -188,000 -1,064,000 -234,000 271,000 541,000 -2,117,000 445,000 -1,796,000 2,353,000 -24,000 -763,000 1,682,000 -265,000 474,000 15,000 -563,000 -196,000 -666,000 -525,000 -1,049,000 -309,000 -99,000 356,000 -300,000 -83,000 -467,000 17,000 -412,000 1,642,000 -9,862,000 10,156,000 3,192,000    -309,000 -167,000 33,000 -74,000 -1,276,000 3,491,000 -409,000 -618,000 -206,000 338,000 267,000 -21,000             -10,000     
          net cash from operating activities
        61,075,000 47,382,000 22,408,000 37,072,000 -5,991,000 13,761,000 16,993,000 83,898,000 77,239,000 49,800,000 56,063,000 -549,000 24,202,000 -14,776,000 14,825,000 -27,833,000 9,232,000 -21,614,000 7,097,000 -25,176,000 18,994,000 45,982,000 5,310,000 2,108,000 34,824,000 7,888,000 16,938,000 9,109,000 -2,486,000 -15,450,000 3,453,000 -14,060,000 9,691,000 7,454,000 16,296,000 3,374,000 13,106,000 36,592,000 1,143,000 24,065,000 -5,670,000 22,690,000 18,626,000 -22,728,000 23,741,000 -7,835,000 -12,127,000 5,349,000 3,096,000 31,490,000 35,972,000 21,204,000  -16,918,000 33,237,000 -9,860,000 -9,754,000 16,751,000 1,690,000 6,800,000 11,930,000 6,176,000 30,698,000 15,329,000 14,764,000 32,389,000 41,860,000 37,971,000 -485,000 4,908,000 4,996,000 -14,607,000 20,356,000 -7,756,000 5,145,000 -5,585,000 14,950,000 -8,442,000 -4,935,000  -7,273,000 
          capital expenditures
        -1,769,000 -5,117,000 -4,074,000 -2,189,000 -8,456,000 -1,389,000 -903,000 -1,235,000 -3,813,000 -650,000 -630,000 -2,726,000 -686,000 -649,000 -680,000 -436,000 -451,000 -850,000 -629,000 -961,000 -856,000 -805,000 -1,067,000 -2,402,000 -1,045,000 -1,247,000 -1,199,000 -764,000 -524,000 -1,163,000 -1,114,000 -1,701,000 -1,116,000 -818,000 -774,000 -928,000 -1,044,000 -874,000 -497,000 -629,000 -473,000 -5,554,000 -9,730,000 -18,962,000 -5,199,000 -2,832,000 -2,700,000 -5,764,000 -20,641,000 -20,458,000 -19,895,000 -13,375,000  -6,667,000 -9,501,000 -9,378,000 -3,275,000 -1,405,000 -1,904,000 -763,000 -959,000 -2,001,000 -846,000 -614,000 -1,669,000 -3,431,000 -1,016,000 -1,965,000 -1,459,000 -439,000 -784,000 -746,000 -3,227,000 -1,433,000 -4,248,000 -5,430,000 -2,158,000 -1,467,000 -1,178,000  -1,165,000 
          free cash flows
        59,306,000 42,265,000 18,334,000 34,883,000 -14,447,000 12,372,000 16,090,000 82,663,000 73,426,000 49,150,000 55,433,000 -3,275,000 23,516,000 -15,425,000 14,145,000 -28,269,000 8,781,000 -22,464,000 6,468,000 -26,137,000 18,138,000 45,177,000 4,243,000 -294,000 33,779,000 6,641,000 15,739,000 8,345,000 -3,010,000 -16,613,000 2,339,000 -15,761,000 8,575,000 6,636,000 15,522,000 2,446,000 12,062,000 35,718,000 646,000 23,436,000 -6,143,000 17,136,000 8,896,000 -41,690,000 18,542,000 -10,667,000 -14,827,000 -415,000 -17,545,000 11,032,000 16,077,000 7,829,000  -23,585,000 23,736,000 -19,238,000 -13,029,000 15,346,000 -214,000 6,037,000 10,971,000 4,175,000 29,852,000 14,715,000 13,095,000 28,958,000 40,844,000 36,006,000 -1,944,000 4,469,000 4,212,000 -15,353,000 17,129,000 -9,189,000 897,000 -11,015,000 12,792,000 -9,909,000 -6,113,000  -8,438,000 
          investing activities:
                                                                                         
          purchases of short-term investments
        -14,648,000 -2,786,000 -19,828,000 -15,318,000 -14,986,000   -14,726,000 -15,094,000   -7,277,000 -14,000 -11,153,000 -3,937,000 -7,867,000 -4,033,000 -11,911,000 -3,924,000 -11,223,000    -5,869,000 -1,549,000 -20,712,000                                                 
          maturities of short-term investments
        9,130,000 10,986,000 20,898,000 12,523,000 14,795,000 14,621,000   7,363,000 3,695,000 3,690,000 14,447,000 3,878,000   7,867,000 4,033,000 7,941,000 7,847,000 6,146,000 1,467,000 11,621,000 3,804,000 5,425,000 1,594,000 24,425,000 28,535,000                                                 
          cash paid for business acquisition, net of cash acquired
                                                                                         
          purchases of property, plant and equipment
        -1,769,000 -5,117,000 -4,074,000 -2,189,000 -8,456,000 -1,389,000 -903,000 -1,235,000 -3,813,000 -650,000 -630,000 -2,726,000 -686,000 -649,000 -680,000 -436,000 -451,000 -850,000 -629,000 -961,000 -856,000 -805,000 -1,067,000 -2,402,000 -1,045,000 -1,247,000 -1,199,000 -764,000 -524,000 -1,163,000 -1,114,000 -1,701,000 -1,116,000 -818,000 -774,000 -928,000 -1,044,000 -874,000 -497,000 -629,000 -473,000 -5,554,000 -9,730,000 -18,962,000 -5,199,000 -2,832,000 -2,700,000 -5,764,000 -20,641,000 -20,458,000 -19,895,000 -13,375,000 -3,517,000 -6,667,000 -9,501,000 -9,378,000 -3,275,000 -1,405,000 -1,904,000 -763,000 -959,000 -2,001,000 -846,000 -614,000 -1,669,000 -3,431,000 -1,016,000 -1,965,000 -1,459,000 -439,000 -784,000 -746,000 -3,227,000 -1,433,000 -4,248,000 -5,430,000 -2,158,000 -1,467,000 -1,178,000 -2,882,000 -1,165,000 
          proceeds from sale of property, plant and equipment
          81,000    1,000 11,000 42,000              9,000 31,000 1,000 55,000 1,000    65,000 83,000 27,000 12,000 61,000 8,000 12,000 31,000 58,000   174,000 72,000 615,000 24,000                              
          purchase of intangible assets
            -250,000                                                                          
          net cash from investing activities
        -4,127,000 -8,779,000 14,058,000 -9,494,000 -8,898,000 -1,728,000 -9,763,000 -1,485,000 -11,176,000 -15,744,000 -629,000 975,000 6,484,000 7,605,000 -3,251,000 -4,373,000 -451,000 -850,000 -4,125,000 2,962,000 -12,079,000 -8,135,000 -1,067,000 3,744,000 -1,045,000 -1,247,000 259,000 4,997,000 2,069,000 11,154,000 -2,222,000 -858,000 27,870,000 -66,598,000 -774,000 -15,802,000 -979,000 -791,000 -470,000 -617,000 -412,000 -5,546,000 -9,718,000 -18,931,000 -5,199,000 -2,774,000 12,179,000 -5,764,000 -20,467,000 -20,386,000 -19,280,000 -13,351,000 -3,480,000 -6,504,000 -9,564,000 -8,320,000 -4,229,000 -1,157,000 -639,000 -739,000 -959,000 -4,226,000 -846,000 -22,428,000 -1,654,000 -3,417,000 -1,016,000 -1,964,000 -1,459,000 -439,000 -784,000 -746,000 -3,207,000 -1,433,000 -4,248,000 -5,275,000 -3,682,000 8,741,000 -3,157,000  8,492,000 
          financing activities:
                                                                                         
          shares withheld in lieu of employee tax withholding
        -218,000 -35,000 -11,995,000 -123,000 -1,724,000 -4,752,000 -70,000 -159,000 -423,000 -12,000 -3,000 -660,000 -632,000 -12,000 -6,000 -611,000 -303,000 -4,000 -416,000 -731,000 -134,000 -140,000 -438,000 -398,000 -192,000 -13,000 -795,000    -454,000                                      
          dividends paid
        -3,229,000 -3,228,000 -3,227,000 -3,185,000 -3,178,000 -3,176,000 -3,175,000 -3,124,000 -3,115,000 -3,112,000 -3,106,000 -3,074,000 -3,063,000 -3,064,000 -3,058,000 -3,048,000 -3,040,000 -3,039,000 -3,035,000 -3,028,000 -3,019,000 -3,019,000 -3,015,000 -3,013,000 -3,007,000 -3,003,000 -2,996,000 -2,992,000 -2,982,000 -2,980,000 -2,977,000 -2,977,000 -2,971,000 -2,970,000 -2,968,000 -2,966,000 -2,963,000 -2,961,000 -2,929,000 -2,992,000 -3,032,000 -3,062,000 -3,136,000 -3,128,000 -3,003,000 -3,003,000 -2,999,000 -2,993,000                                  
          net cash from financing activities
        -3,447,000 -3,263,000 -3,227,000 -15,180,000 -3,301,000 -3,176,000 -4,899,000 -7,876,000 -3,185,000 -3,112,000 -3,265,000 -3,497,000 -3,075,000 -3,067,000 -3,058,000 -4,108,000 -3,040,000 -3,039,000 -3,035,000 -4,060,000 -3,031,000 -3,025,000 -3,015,000 -4,024,000 -3,310,000 -3,007,000 -3,412,000 -4,123,000 -3,116,000 -3,120,000 -2,977,000 -3,815,000 -2,971,000 -2,970,000 -2,968,000 -3,764,000 -3,350,000 -3,153,000 -2,942,000 -7,927,000 -12,142,000 -9,826,000 -8,998,000 -3,982,000 -2,644,000 -2,955,000 -2,974,000 -3,933,000 264,000 -18,000 -23,000 -675,000 -151,000 1,803,000 231,000 -612,000 -143,000 -61,000 -363,000 -234,000 -13,392,000 -1,215,000 939,000 -5,724,000 -4,769,000 -261,000 -5,561,000 -19,847,000 5,536,000 -5,438,000 -3,008,000 16,702,000 -16,121,000 9,854,000 -2,767,000 4,987,000 -226,000 -429,000 73,000  10,924,000 
          net increase in cash and cash equivalents
        53,501,000 35,340,000 33,239,000 12,398,000 -18,190,000 8,857,000 2,331,000 74,537,000  30,944,000        -25,503,000 -63,000 -26,274,000            -18,733,000 34,590,000 -62,114,000 12,554,000 -16,192,000 8,777,000 32,648,000 -2,269,000 15,521,000   -90,000 -45,641,000 15,898,000 -13,564,000 -2,922,000 -4,348,000 -17,107,000 11,086,000 16,669,000 7,178,000 -16,055,000 -21,619,000 23,904,000 -18,792,000 -14,126,000 15,533,000 688,000 5,827,000 -2,421,000 735,000 30,791,000 -12,823,000 8,341,000 28,711,000 35,283,000 16,160,000 3,592,000 -969,000 1,204,000 1,349,000 1,028,000       11,746,000 12,143,000 
          effect of exchange rate changes on cash and cash equivalents
        -1,228,000 3,584,000 705,000 -2,131,000 1,509,000 -101,000 -475,000 988,000  372,000 238,000 749,000  -363,000 10,000 -95,000  85,000 140,000 74,000        -813,000 42,000 -746,000 396,000 -39,000 1,285,000 1,130,000 332,000 -946,000 -408,000 -655,000 703,000 -166,000 -1,566,000 369,000 -702,000 -1,013,000 -543,000 -66,000 591,000 661,000 -10,000 -283,000 26,000 149,000 -740,000 389,000 -109,000 -404,000 326,000 -323,000 450,000 -262,000 676,000 2,759,000 -366,000 -1,401,000 -379,000 588,000 -98,000 -1,337,000 -293,000 18,000 29,000 -53,000 373,000 129,000 -23,000 333,000 -398,000 503,000 -9,000   
          cash and cash equivalents at beginning of period
        315,331,000 245,875,000  101,954,000  114,314,000  160,216,000                                  123,466,000  115,353,000  97,403,000  10,134,000  5,257,000  10,495,000 24,844,000  
          cash and cash equivalents at end of period
        52,273,000 38,924,000 33,944,000 325,598,000 -16,681,000 8,756,000 1,856,000 321,400,000  31,316,000 52,407,000 99,632,000  -10,601,000 8,526,000 77,905,000  -25,418,000 77,000 134,016,000                                  -21,230,000 23,795,000 104,270,000  15,210,000 1,138,000 120,918,000  3,494,000 30,425,000 83,179,000  29,299,000 35,185,000 24,957,000  -951,000 1,233,000 6,553,000  794,000 -1,893,000 4,955,000 10,644,000 373,000 16,816,000  12,143,000 
          depreciation
         1,742,000 1,718,000 1,755,000 1,797,000 1,709,000 1,724,000 1,641,000  2,188,000 2,176,000 2,136,000                 3,204,000 3,187,000 3,145,000 3,162,000 3,182,000 3,080,000 3,075,000 3,063,000 3,178,000 3,283,000 3,322,000 3,196,000 3,226,000 3,332,000 3,244,000 3,318,000 3,616,000 2,711,000 2,497,000 2,562,000 1,996,000 1,931,000 1,935,000 2,657,000 2,762,000 2,683,000 2,550,000 2,470,000 2,808,000 2,753,000   2,401,000 2,479,000 2,273,000 2,001,000 1,913,000 1,816,000 1,846,000 1,918,000 2,038,000 2,038,000 2,094,000 1,963,000 2,351,000 2,083,000 1,703,000 1,551,000      
          bad debt (recovery) expense
         -19,000                                                                                
          unrealized mark-to-market loss on derivative contracts
           194,000                                                                              
          bad debt recovery
           -90,000                            -20,000                                                  
          gain on sale of division
                                                                                        
          bad debt expense
            -16,000 194,000   -90,000 -65,000 95,000 6,000     -146,000   -19,000 71,000 136,000 9,000 42,000 107,000 25,000 74,000 27,000  18,000    -129,000 16,000 -113,000  -118,000 91,000 248,000  -438,000 186,000 283,000    15,000 -234,000 70,000 -87,000 -293,000 333,000 -127,000 451,000 185,000 -196,000 -524,000 318,000 288,000 -69,000 -213,000 -610,000 1,302,000 -213,000 84,000 704,000 384,000 110,000 91,000 366,000 70,000 937,000 171,000 26,000 58,000 68,000 88,000 98,000  -35,000 
          proceeds from sale of division
                                                                                        
          payments on industrial development revenue bonds
                    -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000 -400,000          
          mark-to-market loss on derivative contracts
               41,000                                                                          
          proceeds from life insurance policy
                                                                                         
          net increase in cash, cash equivalents and restricted cash
                            3,884,000 34,822,000 1,228,000 1,828,000 30,469,000 3,634,000 13,785,000 9,983,000                                                      
          effect of exchange rate changes on cash, cash equivalents and restricted cash
                            306,000 633,000 -1,623,000 499,000 -415,000 -51,000                                                        
          cash, cash equivalents and restricted cash at beginning of period
                            118,639,000                                                          
          cash, cash equivalents and restricted cash at end of period
                            4,190,000 35,455,000 -395,000 120,966,000                                                          
          net decrease in cash and cash equivalents
                   -3,071,000  -10,238,000 8,516,000 -36,314,000              -7,416,000                                             -1,870,000 -5,873,000  -130,000 -8,019,000   
          gain on cash surrender value of life insurance
                                                                                         
          proceeds from life insurance policies
                                                                                        
          net loss
                      -1,217,000 -2,846,000           958,000 -2,695,000  301,000 -3,330,000 -5,662,000    -300,000    -459,000                                          
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                         
          gain on amended supply agreement
                                    -507,000 -507,000 -507,000 -508,000 -507,000 -507,000 -507,000 -508,000 -507,000 -507,000 -507,000 -508,000 -507,000 -508,000 -507,000                                    
          cash received from amended supply agreement
                                                                                   
          deferred income tax benefit
                                 -677,000 171,000 -517,000  220,000 -1,768,000 -1,292,000            -317,000 -530,000   -2,362,000                                  
          cash, cash equivalents and restricted cash, beginning of period
                                 61,725,000                                                      
          cash, cash equivalents and restricted cash, end of period
                                 3,583,000 14,107,000 70,895,000                                                      
          amortization
                                    44,000 44,000 44,000 73,000 92,000 87,000 88,000 88,000 89,000 89,000 86,000 88,000 90,000 113,000 114,000 118,000 121,000 122,000 120,000 416,000 419,000 417,000 417,000 418,000 491,000 708,000 707,000 706,000 1,140,000 1,252,000 1,270,000 1,186,000 1,305,000 1,149,000 1,224,000 871,000 845,000 886,000 861,000 877,000 900,000 945,000 961,000 934,000 988,000 952,000 989,000 947,000      
          excess tax benefit from stock-based compensation
                                                                                         
          bad debt expense/
                                                    458,000                                     
          costs and billings in excess of estimates on uncompleted contracts
                                                  -7,893,000 20,943,000 -431,000 -11,818,000 8,559,000 -13,399,000                                  
          changes in restricted cash
                                    -1,554,000 6,891,000 -2,702,000 -2,925,000 450,000                                                 
          purchase of treasury shares
                                            -3,740,000 -8,736,000 -6,764,000                                        
          cash and cash equivalents, beginning of period
                                    68,359,000 97,720,000 43,569,000 103,118,000 107,411,000  90,040,000                              
          cash and cash equivalents, end of period
                                    -3,491,000 -8,162,000 -1,350,000 49,587,000 35,875,000 -60,984,000 12,886,000 80,582,000 8,369,000 31,993,000 -1,566,000 58,924,000 -19,790,000 7,687,000 -792,000 56,464,000 15,355,000 -13,630,000 -2,331,000 103,724,000  10,803,000 16,695,000 97,367,000                              
          costs and billings in excess of estimated earnings on uncompleted contracts
                                     -16,462,000 -12,904,000 23,155,000  19,935,000 -4,310,000 2,236,000  13,527,000 4,889,000 6,921,000                                          
          deferred income tax expense
                                           -7,000 867,000 1,126,000 289,000 48,000 1,869,000 1,103,000                                        
          accounts payable and income taxes payable
                                         -2,549,000 -5,402,000 -2,051,000 -1,052,000 -6,526,000 -2,882,000 -1,874,000 -5,381,000 3,872,000 1,898,000 -5,462,000 17,652,000 -6,243,000 -11,460,000 1,053,000 5,802,000 6,461,000 11,761,000 -11,459,000 -4,779,000 -5,889,000 10,372,000 -5,740,000 8,028,000 5,803,000 5,644,000 -4,988,000 -323,000 -566,000 -1,632,000 -17,760,000 -13,824,000 13,632,000 -5,943,000 1,244,000 -4,576,000 8,004,000 1,464,000 -9,808,000 13,460,000 -6,166,000 15,331,000 -3,968,000 10,019,000 855,000 816,000  -3,810,000 
          purchases of investments
                                                                                         
          increase in short-term investments
                                           -14,874,000                                              
          gain on sale of discontinued operations, net of tax
                                                                                       
          net assets held for sale
                                                                                         
          proceeds from sale of transdyn
                                                                                       
          payments on short-term and other financing
                                                    -16,000   -23,000 -275,000    -212,000     -401,000 -284,000    -13,000  -13,000 -13,000 -13,000          
          cash paid for employee taxes in lieu of shares
                                                                                        
          decrease in cash held in escrow
                                                                                       
          proceeds from exercise of stock options
                                                                    125,000 958,000 496,000 121,000 302,000 160,000   273,000 1,675,000 778,000 1,510,000 590,000 578,000 1,171,000 925,000 464,000 109,000 67,000 180,000 906,000 
          taxes on stock-based compensation
                                                     48,000 25,000 -524,000                                  
          impairments
                                                                                         
          gain on sale of investment
                                                                                         
          costs and estimated earnings in excess of billings on uncompleted contracts
                                                        -12,537,000 -1,920,000 -1,719,000 16,011,000 668,000 -9,512,000 -24,386,000 -1,525,000 -7,673,000 -7,530,000 -2,936,000 4,620,000 -2,864,000 5,159,000 2,859,000 3,089,000 9,061,000 391,000 26,465,000 -216,000 515,000 -5,493,000 -23,798,000 14,714,000 -5,897,000 -8,232,000 -2,762,000 -9,054,000 3,875,000 1,082,000 -9,195,000  3,349,000 
          other assets
                                                                    956,000 1,021,000 -1,250,000 -287,000 -271,000 98,000 -21,000  22,000 -30,000 -46,000 -1,338,000 -70,000 -80,000 -42,000 -429,000 -299,000 1,301,000  151,000 
          billings in excess of costs and estimated earnings on uncompleted contracts
                                                        -7,101,000 9,097,000 13,135,000 8,088,000 -16,372,000 -15,135,000 3,405,000 20,610,000 -19,958,000 17,627,000 6,469,000 9,415,000 -3,784,000 -3,838,000 -3,780,000 -2,360,000 -7,143,000 -13,558,000 -1,064,000 27,554,000 -3,379,000 1,416,000 2,880,000 12,856,000 -5,406,000 2,152,000 -8,508,000 20,645,000 -2,796,000 -184,000 2,678,000  -163,000 
          proceeds from sale of investment
                                                                                         
          increase in cash held in escrow
                                                                                         
          borrowings on canadian revolving line of credit
                                                        651,000 2,208,000 1,026,000 1,349,000 640,000 1,178,000 6,174,000 2,863,000 2,328,000 1,339,000 1,280,000                    
          payments on canadian revolving line of credit
                                                        -651,000 -2,208,000 -1,026,000 -1,349,000 -640,000 -1,178,000 -6,174,000 -2,863,000 -2,328,000 -1,601,000 -1,026,000 -10,719,000 -2,050,000 -1,215,000                  
          cash and cash equivalents at beginning of year
                                                                                         
          cash and cash equivalents at end of year
                                                                                         
          income tax receivable, prepaid expenses and other current assets
                                                                                         
          short-term financing and other
                                                                                         
          decrease in restricted cash
                                                               1,000,000                          
          net cash provided (used in) by operating activities
                                                                                         
          purchase of noncontrolling interest – powell asia
                                                                                         
          acquisition of powell canada
                                                                    -1,566,000 -21,828,000                  
          payments on canadian term loan
                                                                    -2,187,000 -119,000                    
          payments on deferred acquisition payable
                                                                           -1,000         
          tax benefit from exercise of stock options
                                                                    -210,000 280,000 77,000 62,000 184,000 75,000   1,109,000 385,000 297,000 719,000  210,000 311,000 264,000 48,000 67,000 19,000   
          gain on sale of investment in joint venture
                                                                                         
          proceeds from sale of fixed assets
                                                             88,000 12,000 58,000 46,000 248,000 36,000 24,000 14,000 15,000 14,000 1,000     20,000 155,000 8,000 21,000 833,000 
          proceeds from sale of investment in joint venture
                                                                                         
          short-term and other financing
                                                             1,803,000                            
          purchase of noncontrolling interest — powell asia
                                                                                         
          borrowings on us revolving line of credit
                                                                        50,953,000 74,067,000 74,910,000 49,051,000 31,452,000          
          payments on us revolving line of credit
                                                                        -69,953,000 -69,367,000 -76,234,000 -50,927,000 -15,952,000          
          payments on uk revolving line of credit
                                                                              -612,000 -601,000 -589,000 -588,000     
          payments on uk term loan
                                                                        -2,867,000 -496,000 -426,000 -434,000 -533,000 -598,000 -598,000 -614,000     -559,000     
          gain on sale of investment in joint venture in kazakhstan
                                                                                        
          proceeds from sale of investment in joint venture in kazakhstan
                                                                                        
          buyout of noncontrolling interest — powell asia
                                                                                         
          adjustments to reconcile net income to net cash from operating activities: depreciation
                                                                   2,369,000                      
          payment on deferred acquisition payable
                                                                       -4,292,000                  
          adjustments to reconcile net income to net cash from (used in) operating activities:
                                                                                         
          impairment of goodwill
                                                                                         
          buyout of noncontrolling interest – powell asia
                                                                                         
          deferred compensation
                                                                       106,000 105,000 -127,000 330,000 -285,000 4,000 -9,000 45,000 124,000 1,501,000 100,000 90,000 90,000 93,000 -42,000 -111,000  88,000 
          amortization of unearned restricted stock
                                                                           158,000    85,000 94,000 69,000 65,000 68,000 35,000 51,000 52,000   
          minority interest earnings
                                                                                -58,000 -30,000 50,000 59,000      
          borrowings on uk revolving line of credit
                                                                                1,959,000      
          payments on capital lease obligations
                                                                                -13,000 -13,000 -13,000 -13,000 -19,000 -41,000 -13,000   
          payments on short-term financing
                                                                                -158,000 -158,000 -147,000 -160,000      
          minority interest
                                                                         209,000 -245,000 276,000  -56,000 -219,000 119,000          
          loss on disposition of assets
                                                                               310,000 -10,000   48,000   
          other liabilities
                                                                         27,000 29,000 26,000 58,000 35,000 33,000 30,000 11,000 -2,000 -6,000 1,000 24,000 -74,000 135,000  -84,000 
          gain on disposition of assets
                                                                           8,000    9,000         
          proceeds from sale of short-term auction rate securities
                                                                                      5,509,000  
          louisiana acquisition
                                                                                         
          power/vac® acquisition
                                                                                         
          proceeds from short-term financing
                                                                                        
          debt issuance costs
                                                                                         
          net realized gain on sale of available-for-sale securities
                                                                                         
          proceeds from maturities and sales of available-for-sale securities
                                                                                        
          purchases of short-term auction rate securities
                                                                                         
          s&i acquisition
                                                                                         
          power/vac acquisition
                                                                                         
          borrowings on uk term loan
                                                                                         
          acquisition of ums
                                                                                         
          borrowings on u.s. revolving line of credit
                                                                                 37,586,000 19,588,000 8,892,000 526,000     
          payments on u.s. revolving line of credit
                                                                                 -22,551,000 -23,088,000 -5,892,000 -526,000     
          payments on tax exempt industrial development revenue bonds
                                                                                 -400,000      
          net realized gain on available-for-sale securities
                                                                                         
          acquisition of s&i
                                                                                       -707,000  
          debt issue costs
                                                                                         
          supplemental disclosures of cash flow information:
                                                                                         
          cash paid during the period for:
                                                                                         
          interest
                                                                                     284,000 278,000  114,000 
          non-cash investing and financing activities:
                                                                                         
          change in fair value of marketable securities during the period, net of 0 and 17 income taxes, respectively
                                                                                         
          receivable for stock options exercised
                                                                                         
          issuance of common stock for deferred directors’ fees
                                                                                        
          restricted stock grants
                                                                                         
          purchase of short-term auction rate securities
                                                                                      -2,000,000   
          borrowings on revolving line of credit
                                                                                      2,820,000 3,674,000 3,816,000 
          repayments on revolving line of credit
                                                                                      -2,820,000 -3,674,000 -3,816,000 
          cash (received) paid during the period for:
                                                                                         
          change in fair value of marketable securities during the period, net of 0 and 7 income taxes, respectively
                                                                                         
          unrealized foreign currency gain
                                                                                      13,000   
          purchase of additional interest in consolidated subsidiary
                                                                                         
          borrowings on long-term debt and capital lease obligations
                                                                                         
          borrowings on term loan
                                                                                        
          repayments of long-term debt and capital lease obligations
                                                                                         
          proceeds from issuance of stock
                                                                                         
          postretirement benefit liability
                                                                                         
          change in fair value of marketable securities during the period, net of 9 and 33 income taxes, respectively
                                                                                         
          unrealized gain on forward contracts
                                                                                         
          assets acquired under capital lease obligations
                                                                                         
          accrued acquisition costs
                                                                                         
          proceeds from sale of short term auction rate securities
                                                                                         
          purchase of short term auction rate securities
                                                                                         
          change in fair value of marketable securities during the period, net of 17 and 34 income taxes, respectively
                                                                                         
          adjustments to reconcile net income to net cash from
                                                                                         
          cumulative effect of change in accounting principle, net of tax
                                                                                         
          loss on impairment of assets
                                                                                         
          costs and estimated earnings in excess of billings on
                                                                                         
          uncompleted contracts
                                                                                         
          billings in excess of costs and estimated earnings on
                                                                                         
          sales of marketable securities
                                                                                         
          purchases of marketable securities
                                                                                         
          borrowing on long-term debt and capital lease obligations
                                                                                         
          change in fair value of interest rate swap, net of 0, 49, and 33
                                                                                         
          income taxes, respectively
                                                                                         
          change in fair value of marketable securities, net of 85 and 64
                                                                                         
          issuance of common stock for deferred directors' fees
                                                                                         
          loss on sale of assets
                                                                                         
          deferred income tax provision
                                                                                         
          costs and estimated earnings in excess of billings
                                                                                         
          billings in excess of costs and estimated earnings
                                                                                         
          deferred compensation expense
                                                                                         
          payments to reacquire common stock
                                                                                         
          taxes
                                                                                         
          change in fair value of interest rate swap, net of 49, 33 and 82
                                                                                         
          change in fair value of marketable securities, net of 64 income