7Baggers

Rogers Corporation
(NYSE:ROG) 

ROG stock logo

Rogers Corporation designs, develops, manufactures, and sells engineered materials and components worldwide. It operates in Advanced Connectivity Solutions (ACS), Elastomeric Material Solutions (EMS), Power Electronics Solutions (PES), and Other segments. The ACS segment offers circuit materials and...

Founded: 1832
Full Time Employees: 3,600
Sector: Technology
Industry: Electronic Components

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Quarterly
Annual
    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 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 2008-09-28 2008-06-29 2008-03-30 2007-12-30 2007-09-30 2007-07-01 2007-04-01 2006-12-31 2006-10-01 2006-07-02 2006-04-02 2006-01-01 
                                                                                     
      net sales
    201,500,000 216,000,000 202,800,000 190,500,000 192,200,000 210,300,000 214,200,000 213,400,000 204,584,000 229,148,000 230,821,000 243,847,000 223,704,000 247,231,000 251,970,000 248,266,000 230,452,000 238,263,000 234,906,000 229,265,000 210,672,000 201,944,000 191,157,000 198,810,000 193,768,000 221,842,000 242,852,000 239,798,000 222,942,000 226,863,000 214,675,000 214,611,000 209,008,000 206,783,000 201,424,000 203,828,000 173,000,000 165,259,000 157,489,000 160,566,000 152,928,000 160,366,000 163,098,000 165,051,000 147,724,000 163,052,000 153,495,000 146,640,000 136,230,000 142,820,000 132,452,000 125,979,000 120,469,000 130,248,000 126,671,000 121,373,000 125,797,000 147,608,000 143,685,000 136,059,000 97,312,000 101,331,000 96,608,000 83,936,000 77,959,000 81,019,000 67,368,000 65,475,000 63,668,000 101,696,000 97,665,000 102,333,000 108,766,000 109,626,000 98,990,000 115,846,000 122,699,000 123,951,000 104,781,000 103,131,000  
      yoy
    4.84% 2.71% -5.32% -10.73% -6.05% -8.23% -7.20% -12.49% -8.55% -7.31% -8.39% -1.78% -2.93% 3.76% 7.26% 8.29% 9.39% 17.98% 22.89% 15.32% 8.72% -8.97% -21.29% -17.09% -13.09% -2.21% 13.13% 11.74% 6.67% 9.71% 6.58% 5.29% 20.81% 25.13% 27.90% 26.94% 13.13% 3.05% -3.44% -2.72% 3.52% -1.65% 6.26% 12.56% 8.44% 14.17% 15.89% 16.40% 13.08% 9.65% 4.56% 3.79% -4.24% -11.76% -11.84% -10.79% 29.27% 45.67% 48.73% 62.10% 24.82% 25.07% 43.40% 28.20% 22.45% -20.33% -31.02% -36.02% -41.46% -7.23% -1.34% -11.66% -11.36% -11.56% -5.53% 12.33%      
      qoq
    -6.71% 6.51% 6.46% -0.88% -8.61% -1.82% 0.37% 4.31% -10.72% -0.72% -5.34% 9.00% -9.52% -1.88% 1.49% 7.73% -3.28% 1.43% 2.46% 8.83% 4.32% 5.64% -3.85% 2.60% -12.65% -8.65% 1.27% 7.56% -1.73% 5.68% 0.03% 2.68% 1.08% 2.66% -1.18% 17.82% 4.68% 4.93% -1.92% 4.99% -4.64% -1.68% -1.18% 11.73% -9.40% 6.23% 4.67% 7.64% -4.61% 7.83% 5.14% 4.57% -7.51% 2.82% 4.37% -3.52% -14.78% 2.73% 5.60% 39.82% -3.97% 4.89% 15.10% 7.67% -3.78% 20.26% 2.89% 2.84% -37.39% 4.13% -4.56% -5.91% -0.78% 10.74% -14.55% -5.59% -1.01% 18.30% 1.60%   
      cost of sales
    138,000,000 143,700,000 138,800,000 133,500,000 130,500,000 136,200,000 141,100,000 145,200,000 137,162,000 148,788,000 151,204,000 164,146,000 152,665,000 169,167,000 165,452,000 162,872,000 152,299,000 146,609,000 145,073,000 139,766,000 129,969,000 126,426,000 121,188,000 133,180,000 129,565,000 142,975,000 157,024,000 154,404,000 144,567,000 147,733,000 138,003,000 138,005,000 133,517,000 124,595,000 120,878,000 123,478,000 106,151,000 103,330,000 97,290,000 100,058,000 100,040,000 100,836,000 102,509,000 102,696,000 89,389,000 98,504,000 96,357,000 92,721,000 85,435,000 91,634,000 88,023,000 84,690,000 77,997,000 87,288,000 89,799,000 84,932,000 86,939,000 97,689,000 95,495,000 93,948,000 65,040,000 64,496,000 59,273,000 53,677,000 54,253,000 56,422,000 50,325,000 51,546,000 45,569,000 69,612,000 66,278,000 69,940,000 75,029,000 78,448,000 82,805,000 80,648,000 88,587,000 85,446,000 70,784,000 66,844,000  
      gross margin
    63,500,000 72,300,000 64,000,000 57,000,000 61,700,000 74,100,000 73,100,000 68,200,000 67,422,000 80,360,000 79,617,000 79,701,000 71,039,000 78,064,000 86,518,000 85,394,000 78,153,000 91,654,000 89,833,000 89,499,000 80,703,000 75,518,000 69,969,000 65,630,000 64,203,000 78,867,000 85,828,000 85,394,000 78,375,000 79,130,000 76,672,000 76,606,000 75,491,000 82,188,000 80,546,000 80,350,000 66,849,000 61,929,000 60,199,000 60,508,000 52,888,000 59,530,000 60,589,000 62,355,000 58,335,000 64,548,000 57,138,000 53,919,000 50,795,000 51,186,000 44,429,000 41,289,000 42,472,000 42,960,000 36,872,000 36,441,000 38,858,000 49,919,000 48,190,000 42,111,000 32,272,000 36,835,000 37,335,000 30,259,000 23,706,000 24,597,000 17,043,000 13,929,000 18,099,000 32,084,000 31,387,000 32,393,000 33,737,000 31,178,000 16,185,000 35,198,000 34,112,000 38,505,000 33,997,000 36,287,000  
      yoy
    2.92% -2.43% -12.45% -16.42% -8.49% -7.79% -8.19% -14.43% -5.09% 2.94% -7.98% -6.67% -9.10% -14.83% -3.69% -4.59% -3.16% 21.37% 28.39% 36.37% 25.70% -4.25% -18.48% -23.14% -18.08% -0.33% 11.94% 11.47% 3.82% -3.72% -4.81% -4.66% 12.93% 32.71% 33.80% 32.79% 26.40% 4.03% -0.64% -2.96% -9.34% -7.77% 6.04% 15.65% 14.84% 26.10% 28.61% 30.59% 19.60% 19.15% 20.50% 13.30% 9.30% -13.94% -23.49% -13.46% 20.41% 35.52% 29.07% 39.17% 36.13% 49.75% 119.06% 117.24% 30.98% -23.34% -45.70% -57.00% -46.35% 2.91% 93.93% -7.97% -1.10% -19.03% -52.39% -3.00%      
      qoq
    -12.17% 12.97% 12.28% -7.62% -16.73% 1.37% 7.18% 1.15% -16.10% 0.93% -0.11% 12.19% -9.00% -9.77% 1.32% 9.27% -14.73% 2.03% 0.37% 10.90% 6.87% 7.93% 6.61% 2.22% -18.59% -8.11% 0.51% 8.96% -0.95% 3.21% 0.09% 1.48% -8.15% 2.04% 0.24% 20.20% 7.94% 2.87% -0.51% 14.41% -11.16% -1.75% -2.83% 6.89% -9.63% 12.97% 5.97% 6.15% -0.76% 15.21% 7.60% -2.79% -1.14% 16.51% 1.18% -6.22% -22.16% 3.59% 14.44% 30.49% -12.39% -1.34% 23.38% 27.64% -3.62% 44.32% 22.36% -23.04% -43.59% 2.22% -3.11% -3.98% 8.21% 92.64% -54.02% 3.18% -11.41% 13.26% -6.31%   
      gross margin %
    31.51% 33.47% 31.56% 29.92% 32.10% 35.24% 34.13% 31.96% 32.96% 35.07% 34.49% 32.68% 31.76% 31.58% 34.34% 34.40% 33.91% 38.47% 38.24% 39.04% 38.31% 37.40% 36.60% 33.01% 33.13% 35.55% 35.34% 35.61% 35.15% 34.88% 35.72% 35.70% 36.12% 39.75% 39.99% 39.42% 38.64% 37.47% 38.22% 37.68% 34.58% 37.12% 37.15% 37.78% 39.49% 39.59% 37.22% 36.77% 37.29% 35.84% 33.54% 32.77% 35.26% 32.98% 29.11% 30.02% 30.89% 33.82% 33.54% 30.95% 33.16% 36.35% 38.65% 36.05% 30.41% 30.36% 25.30% 21.27% 28.43% 31.55% 32.14% 31.65% 31.02% 28.44% 16.35% 30.38% 27.80% 31.06% 32.45% 35.19%  
      selling, general and administrative expenses
    42,000,000 41,600,000 48,500,000 44,500,000 49,900,000 45,100,000 50,900,000 47,500,000 51,751,000 44,336,000 46,128,000 60,085,000 54,332,000 50,653,000 56,138,000 57,705,000 57,895,000 47,886,000 44,959,000 42,413,000 50,029,000 50,230,000 41,694,000 40,330,000 41,333,000 40,448,000 43,649,000 43,252,000 40,966,000 39,943,000 42,540,000 40,597,000 47,665,000 38,615,000 39,567,000 34,165,000 40,599,000 31,489,000 34,369,000 29,860,000 33,100,000 29,190,000                                        
      research and development expenses
    6,600,000 7,400,000 7,000,000 7,100,000 8,100,000 8,100,000 9,500,000 8,900,000 10,189,000 7,827,000 8,098,000 9,586,000 9,757,000 9,140,000 8,050,000 8,260,000 7,709,000 7,531,000 7,492,000 7,172,000 7,135,000 7,085,000 7,295,000 7,805,000 8,403,000 7,830,000 7,843,000 7,609,000 8,561,000 7,630,000 8,750,000 8,134,000 8,035,000 7,411,000 7,141,000 6,961,000 7,666,000 7,294,000 7,074,000 6,549,000 7,198,000 7,285,000 7,053,000 6,108,000 5,619,000 5,977,000 6,420,000 4,863,000 4,763,000 5,364,000 6,250,000 5,269,000 4,626,000 4,838,000 4,498,000 5,348,000 3,981,000 5,441,000 6,175,000 6,021,000 5,575,000 4,792,000 5,879,000 3,543,000 3,869,000 3,812,000 4,244,000 5,470,000 4,912,000 5,736,000 5,940,000 5,297,000 7,357,000 5,577,000 6,043,000 5,688,000 6,378,000 6,016,000 6,009,000 5,961,000  
      restructuring and impairment charges
    8,000,000 7,100,000 76,100,000 5,900,000 16,300,000 6,300,000 1,400,000 100,000 539,000 1,921,000 3,939,000 10,501,000 65,443,000 373,000 677,000 69,000 310,000 1,007,000 747,000 1,506,000 3,574,000 9,413,000    580,000 1,083,000 822,000 2,023,000 1,052,000 541,000 422,000 691,750 962,000  725,000             4,620,000 1,231,000 4,525,000  4,102,000 1,766,000 830,000 7,384,000         4,792,000 189,000 15,127,000      255,000 202,000 3,082,000       
      other operating expense
    50,000 500,000 -100,000 -200,000     -25,593,000 -846,000 -6,442,000 -219,000 -141,162,000 -578,000 -1,743,000 -531,000 1,794,000 1,431,000 890,000 1,215,000 -8,000 -4,000 -112,000 20,000 -116,000 124,000 40,000 911,000 24,000 863,000 -383,000 -3,591,000                                                  
      operating income
    7,100,000 15,700,000 -67,500,000 -300,000 -12,700,000 14,600,000 11,300,000 11,700,000 30,536,000 27,122,000 27,894,000 -252,000 82,669,000 18,476,000 23,396,000 19,891,000 10,445,000 33,799,000 35,745,000 37,193,000 19,973,000 8,794,000 21,092,000 17,475,000 14,583,000 29,885,000 33,213,000 32,800,000 26,801,000 29,642,000 25,224,000 31,044,000 18,991,000 39,587,000 32,759,000 39,441,000 17,850,000 23,146,000 18,756,000 24,099,000 12,590,000 23,055,000 20,510,000 20,100,000 14,361,000 28,389,000 16,219,000 21,457,000 11,349,000 19,009,000 8,107,000 10,814,000 7,172,000 10,101,000 9,076,000 -684,000 9,413,000 16,618,000 15,178,000 11,591,000 2,619,000 11,250,000 7,747,000 5,742,000 -1,563,000 4,206,000 -21,137,000 -11,078,000 -11,316,000 5,850,000 6,617,000 8,711,000 6,673,000 8,525,000 -10,508,000 10,219,000 11,851,000 16,994,000 2,472,000 12,941,000  
      yoy
    -155.91% 7.53% -697.35% -102.56% -141.59% -46.17% -59.49% -4742.86% -63.06% 46.80% 19.23% -101.27% 691.47% -45.34% -34.55% -46.52% -47.70% 284.34% 69.47% 112.84% 36.96% -70.57% -36.49% -46.72% -45.59% 0.82% 31.67% 5.66% 41.12% -25.12% -23.00% -21.29% 6.39% 71.03% 74.66% 63.66% 41.78% 0.39% -8.55% 19.90% -12.33% -18.79% 26.46% -6.32% 26.54% 49.35% 100.06% 98.42% 58.24% 88.19% -10.68% -1680.99% -23.81% -39.22% -40.20% -105.90% 259.41% 47.72% 95.92% 101.86% -267.56% 167.48% -136.65% -151.83% -86.19% -28.10% -419.43% -227.17% -269.58% -31.38% -162.97% -14.76% -43.69% -49.84% -525.08% -21.03%      
      qoq
    -54.78% -123.26% 22400.00% -97.64% -186.99% 29.20% -3.42% -61.68% 12.59% -2.77% -11169.05% -100.30% 347.44% -21.03% 17.62% 90.44% -69.10% -5.44% -3.89% 86.22% 127.12% -58.31% 20.70% 19.83% -51.20% -10.02% 1.26% 22.38% -9.58% 17.52% -18.75% 63.47% -52.03% 20.84% -16.94% 120.96% -22.88% 23.41% -22.17% 91.41% -45.39% 12.41% 2.04% 39.96% -49.41% 75.04% -24.41% 89.07% -40.30% 134.48% -25.03% 50.78% -29.00% 11.29% -1426.90% -107.27% -43.36% 9.49% 30.95% 342.57% -76.72% 45.22% 34.92% -467.37% -137.16% -119.90% 90.80% -2.10% -293.44% -11.59% -24.04% 30.54% -21.72% -181.13% -202.83% -13.77% -30.26% 587.46% -80.90%   
      operating margin %
    3.52% 7.27% -33.28% -0.16% -6.61% 6.94% 5.28% 5.48% 14.93% 11.84% 12.08% -0.10% 36.95% 7.47% 9.29% 8.01% 4.53% 14.19% 15.22% 16.22% 9.48% 4.35% 11.03% 8.79% 7.53% 13.47% 13.68% 13.68% 12.02% 13.07% 11.75% 14.47% 9.09% 19.14% 16.26% 19.35% 10.32% 14.01% 11.91% 15.01% 8.23% 14.38% 12.58% 12.18% 9.72% 17.41% 10.57% 14.63% 8.33% 13.31% 6.12% 8.58% 5.95% 7.76% 7.17% -0.56% 7.48% 11.26% 10.56% 8.52% 2.69% 11.10% 8.02% 6.84% -2.00% 5.19% -31.38% -16.92% -17.77% 5.75% 6.78% 8.51% 6.14% 7.78% -10.62% 8.82% 9.66% 13.71% 2.36% 12.55%  
      equity income in unconsolidated joint ventures
        200,000 400,000 500,000 300,000 241,000 641,000 842,000 76,000 200,000 1,162,000 1,800,000 1,275,000 1,148,000 1,773,000 1,930,000 2,181,000 1,700,000 937,000 1,022,000 1,218,000 1,242,000 1,498,000 1,742,000 837,000 1,048,000 1,642,000 1,804,000 1,007,000 1,539,000 1,384,000 966,000 1,009,000 1,926,000 898,000 708,000 613,000 703,000 877,000 392,000 919,000 1,131,000 953,000 1,062,000 977,000 1,281,000 1,754,000 762,000 529,000 1,008,000 1,773,000 1,305,000 657,000 1,410,000 1,290,000 1,323,000 1,428,000 2,310,000 2,373,000 1,757,000 2,218,000 1,968,000 2,287,000 1,579,000 -372,000 1,091,000 2,536,000 1,517,000 1,093,000 3,235,000 2,110,000 1,474,000 1,268,000 2,592,000 1,437,000 1,644,000 2,889,000  
      other income
    2,500,000 400,000 -2,200,000 -1,600,000 9,600,000 -1,500,000 300,000 400,000 -709,000 761,000 -757,000 5,000 -505,000 977,000 319,000 267,000 1,398,000 -469,000 1,239,000 2,968,000 2,219,000 1,446,000 634,000 -786,000 323,000 -918,000 -1,401,000 1,404,000 -347,000 -680,000 -34,000 66,000 1,253,000 1,596,000 -185,000 715,000 -2,108,000 676,000 191,000 -546,000 -7,088,000 -756,000 -517,000 -129,000 180,000 -107,000 -76,000 -1,191,000 -373,000 -101,000 -177,000 -589,000 -349,000 19,000 261,000 -140,000 10,000 302,000 280,000 1,351,000 315,000 -759,000 1,055,000 795,000 1,150,000 212,000 -228,000 -75,000 4,002,000 622,000 1,049,000 386,000 -79,000 72,000 185,000 587,000   934,000 -17,000  
      interest income
    -100,000 200,000 400,000 300,000                                        -1,006,000 -779,000 -698,000 -720,000 -748,000 -865,000 -881,000 -830,000 -905,000 -938,000 -1,104,000 -1,072,000 -1,190,000 -1,027,000 -1,040,000 -1,265,000 -1,579,000 10,000 70,000 -3,000 107,000 9,000 81,000 111,000 176,000 883,000 594,000 615,000 855,000 743,000 449,000 460,000 425,000   629,000 350,000  
      income before income taxes
    9,500,000 16,300,000 -69,300,000 -1,600,000 9,250,000 13,500,000 11,900,000 11,600,000 11,926,250 26,196,000 25,142,000 -3,633,000                                               15,545,000 12,793,000 8,011,250 12,785,000 10,436,000 8,824,000            12,499,000    16,163,000  
      income tax expense
    4,900,000 7,700,000 4,300,000 -200,000 -2,200,000 2,800,000 3,800,000 3,800,000 5,389,000 7,161,000 7,278,000 -128,000 11,068,000 2,835,000 6,084,000 3,764,000 -11,224,000 8,999,000 9,855,000 10,517,000 8,091,000 618,000 6,394,000 3,441,000 -9,451,000 5,331,000 7,223,000 4,704,000 924,000 8,870,000 8,373,000 4,771,000 13,487,000 15,396,000 10,697,000 12,885,000 4,872,000 7,844,000 13,163,000 8,117,000 -1,539,000 9,595,000 5,541,000 6,257,000 7,880,000 8,149,000 5,583,000 5,915,000 -135,000 6,209,000 2,279,000 2,873,000 1,489,000 -48,187,000 3,115,000 -2,902,000 1,926,000 2,579,000 3,417,000 3,359,000 -2,407,000 3,929,000 2,123,000 1,970,000 -5,397,000 455,000 50,294,000 -2,631,000 -4,296,000 1,657,000 2,902,000 3,225,000 2,576,000 2,060,000 -4,059,000 2,988,000 4,077,000 2,559,000 1,682,000 3,556,000  
      net income
    4,600,000 8,600,000 -73,600,000 -1,400,000 -500,000 10,700,000 8,100,000 7,800,000 23,206,000 19,035,000 17,864,000 -3,505,000 67,308,000 14,838,000 17,883,000 16,600,000 23,131,000 25,129,000 28,655,000 31,218,000 15,205,000 7,006,000 14,520,000 13,259,000 -28,760,000 23,387,000 24,293,000 28,399,000 24,452,000 19,734,000 17,329,000 26,136,000 6,999,000 25,532,000 20,896,000 27,032,000 11,913,000 16,065,000 5,377,000 14,928,000 6,699,000 12,455,000 13,540,000 13,627,000 7,013,000 20,388,000 10,902,000 14,580,000 11,527,000 13,572,000 5,565,000 7,096,000 5,063,000 58,976,000 6,455,000 -1,808,000 1,136,000 14,356,000 12,128,000 9,434,000 10,548,000 8,856,000 8,313,000 6,854,000 7,050,000 6,331,000 -67,533,000 -8,718,000 3,854,000 7,945,000 6,896,000 7,820,000 7,993,000 8,950,000 -4,330,000 9,511,000 12,673,000 17,179,000 3,997,000 12,607,000  
      yoy
    -1020.00% -19.63% -1008.64% -117.95% -102.15% -43.79% -54.66% -322.54% -65.52% 28.29% -0.11% -121.11% 190.99% -40.95% -37.59% -46.83% 52.13% 258.68% 97.35% 135.45% -152.87% -70.04% -40.23% -53.31% -217.62% 18.51% 40.19% 8.66% 249.36% -22.71% -17.07% -3.31% -41.25% 58.93% 288.62% 81.08% 77.83% 28.98% -60.29% 9.55% -4.48% -38.91% 24.20% -6.54% -39.16% 50.22% 95.90% 105.47% 127.67% -76.99% -13.79% -492.48% 345.69% 310.81% -46.78% -119.16% -89.23% 62.10% 45.89% 37.64% 49.62% 39.88% -112.31% -178.62% 82.93% -20.31% -1079.31% -211.48% -51.78% -11.23% -259.26% -17.78% -36.93% -47.90% -208.33% -24.56%      
      qoq
    -46.51% -111.68% 5157.14% 180.00% -104.67% 32.10% 3.85% -66.39% 21.91% 6.56% -609.67% -105.21% 353.62% -17.03% 7.73% -28.23% -7.95% -12.31% -8.21% 105.31% 117.03% -51.75% 9.51% -146.10% -222.97% -3.73% -14.46% 16.14% 23.91% 13.88% -33.70% 273.42% -72.59% 22.19% -22.70% 126.91% -25.85% 198.77% -63.98% 122.84% -46.21% -8.01% -0.64% 94.31% -65.60% 87.01% -25.23% 26.49% -15.07% 143.88% -21.58% 40.15% -91.42% 813.65% -457.02% -259.15% -92.09% 18.37% 28.56% -10.56% 19.11% 6.53% 21.29% -2.78% 11.36% -109.37% 674.64% -326.21% -51.49% 15.21% -11.82% -2.16% -10.69% -306.70% -145.53% -24.95% -26.23% 329.80% -68.30%   
      net income margin %
    2.28% 3.98% -36.29% -0.73% -0.26% 5.09% 3.78% 3.66% 11.34% 8.31% 7.74% -1.44% 30.09% 6.00% 7.10% 6.69% 10.04% 10.55% 12.20% 13.62% 7.22% 3.47% 7.60% 6.67% -14.84% 10.54% 10.00% 11.84% 10.97% 8.70% 8.07% 12.18% 3.35% 12.35% 10.37% 13.26% 6.89% 9.72% 3.41% 9.30% 4.38% 7.77% 8.30% 8.26% 4.75% 12.50% 7.10% 9.94% 8.46% 9.50% 4.20% 5.63% 4.20% 45.28% 5.10% -1.49% 0.90% 9.73% 8.44% 6.93% 10.84% 8.74% 8.60% 8.17% 9.04% 7.81% -100.24% -13.32% 6.05% 7.81% 7.06% 7.64% 7.35% 8.16% -4.37% 8.21% 10.33% 13.86% 3.81% 12.22%  
      basic earnings per share
    0.23 0.48 -4 -0.08 -0.03 0.58 0.44 0.42 1.25 1.02 0.96 -0.19 3.59 0.79 0.95 0.88 1.23 1.34 1.53 1.67 0.82 0.37 0.78 0.71 -1.55 1.26 1.31 1.53 1.33 1.07 0.94 1.43 0.38 1.4 1.15 1.5 0.505 0.89 0.3 0.83 -140 18,430 18,627 18,475,507                                      
      diluted earnings per share
    0.23 0.48 -4 -0.08 -0.03 0.58 0.44 0.42 1.24 1.02 0.96 -0.19 3.55 0.78 0.94 0.87 1.22 1.33 1.52 1.66 0.81 0.37 0.78 0.71 -1.54 1.25 1.3 1.52 1.31 1.06 0.93 1.4 0.37 1.37 1.13 1.47 0.5 0.88 0.29 0.82 -205 18,650 19,056 18,949,594                                      
      shares used in computing:
                                                                                     
      interest expense
        200,000  -200,000 -800,000 -1,473,000 -2,328,000 -2,837,000 -3,462,000 -3,988,000 -2,942,000 -1,548,000 -1,069,000 -1,084,000 -441,000 -404,000 -607,000 -596,000 -3,553,000 -1,779,000 -1,207,000 -1,146,000 -1,747,000 -2,038,000 -1,938,000 -2,126,000 -2,000,000 -1,292,000 -1,210,000 -1,297,000 -1,639,000 -1,947,000 -1,248,000 -761,750 -811,000 -1,115,000 -1,121,000 -858,750 -1,126,000 -1,304,000                                       
      pension settlement charges
                     -534,000     -55,000                                                           
      income before income tax expense
                78,376,000 17,673,000 23,967,000 20,364,000 11,907,000 34,128,000 38,510,000 41,735,000 23,296,000 7,624,000 20,914,000 16,700,000 -38,211,000 28,718,000 31,516,000 33,103,000 25,376,000 28,604,000 25,702,000 30,907,000 20,486,000 40,928,000 31,593,000 39,917,000 16,373,750 23,909,000 18,540,000 23,045,000 15,253,250 22,050,000 19,081,000 19,884,000 16,379,250 28,537,000 16,485,000 20,495,000 11,392,000 19,781,000 7,862,000 9,849,000 6,893,000 10,789,000 9,570,000 -4,602,000 11,318,750 16,935,000                        
      gain on sale of long-lived asset
                                    -1,332,250 -4,387,000  -942,000                                              
      restructuring charges
                                      1,079,000                                 2,795,000              
      basic earnings per share:
                                            0.535 0.68 0.73 0.74                                      
      diluted earnings per share:
                                            0.525 0.67 0.71 0.72                                      
      selling and administrative expenses
                                              33,026,000 36,147,000 32,965,000 30,182,000 34,499,000 27,599,000 30,063,000 25,582,000 25,547,000 25,206,000 26,572,000 26,255,000 22,468,000 24,393,000 25,023,000 27,860,000 26,837,000 24,499,000 24,078,000 20,793,000 23,709,000 20,974,000 16,608,000 16,390,000 18,809,000 16,742,000 24,503,000 20,498,000 18,830,000 18,385,000 19,452,000 16,874,000 17,568,000 19,291,000 15,883,000 15,495,000 14,244,000 17,385,000  
      income from continuing operations
                                                7,013,000 20,388,000 10,902,000 14,580,000 11,527,000 13,572,000 5,583,000 6,976,000 5,404,000 58,976,000 6,455,000 -1,700,000             -1,044,000 7,945,000  7,820,000 7,996,000 9,096,000        
      income from discontinued operations, net of income taxes
                                                      -18,000 120,000 -341,000   -108,000                          
      basic net income per share:
                                                                                     
      income from discontinued operations
                                                       0.01 -0.02   -0.01                          
      diluted net income per share:
                                                                                     
      basic net income per share
                                                54,579 18,258,709 18,158,244 17,950,843 56,168 17,244,831 17,107,727                               
      diluted net income per share
                                                40,520 18,733,777 18,688,538 18,549,458 56,103 17,863,035 17,599,481                               
      realized investment gain:
                                                                                     
      increase in fair value of investments
                                                           -522,000 -72,000 -642,000 602,000 97,000 -262,000 563,000                    
      less: portion reclassified to/from other comprehensive income
                                                           2,723,000                          
      net realized gain
                                                           -3,245,000 -50,750 -235,000 29,000                       
      shares used in computing:
                                                                                     
      basic
                                                       17,072,459 4,085,572.25 16,484,957 16,309,053 16,232,856 54,545 16,106,054 15,944,483  10,752 15,816,131 15,785,656 15,768,697 16,681 15,712,724 15,673,924 15,638,045 -33,148 15,580,678 15,529,891 16,133,527 -53,573 16,431,017 16,562,239 16,834,431 44,644 16,845,874 16,773,458 16,486,068  
      diluted
                                                       17,673,399 4,225,806 17,024,137 16,864,166 16,232,856 23,874 16,934,423 16,678,377  42,775 16,006,948 15,985,195 15,896,518 16,681 15,736,318 15,673,924 15,638,045 107,249 15,706,531 15,592,453 16,151,785 -789,200 17,448,146 16,562,239 17,646,551 -263,647 17,327,140 17,223,857 16,928,026  
      comprehensive income
                                                        16,842 66,119 -4,445 5,586                          
      exhibit 31.2
                                                                                     
      exhibit 32
                                                                                     
      exhibit 101.ins
                                                                                     
      exhibit 101.sch
                                                                                     
      exhibit 101.cal
                                                                                     
      exhibit 101.lab
                                                                                     
      exhibit 101.pre
                                                                                     
      exhibit 101.def
                                                                                     
      realized investment loss, net:
                                                                                     
      less: portion of gains in other comprehensive income
                                                            -79,000 -407,000 573,000 95,000 450,000 712,000 -112,000 988,000                  
      net income per share
                                                                                     
      basic
                                                            0.563 0.89 0.76 0.59 0.38 0.56 0.53 0.43           -0.26 0.56 0.75 1.02 0.24 0.76  
      diluted
                                                            0.538 0.85 0.73 0.57 0.375 0.55 0.52 0.43           -0.26 0.54 0.77 0.99 0.23 0.74  
      realized investment loss:
                                                                                     
      net impairment gain
                                                               2,000     -113,250                 
      net impairment loss
                                                                -286,000 -149,000 -120,000 -38,000                  
      acquisition gain
                                                                      2,908,000               
      other-than-temporary impairments
                                                                  -232,000 950,000 208,000  -5,651,000               
      portion of losses in other comprehensive income
                                                                    -119,000  5,179,000               
      income (loss) from continuing operations before income taxes
                                                                    1,653,000 6,786,000 -17,239,000 -11,349,000   9,798,000           
      income (loss) from continuing operations
                                                                    7,050,000 6,331,000 -67,533,000 -0.56   6,896,000           
      income from discontinued operations, net of taxes
                                                                                     
      realized investment losses:
                                                                                     
      net impairment losses
                                                                      -472,000               
      (loss) income from continuing operations
                                                                       -8,718,000              
      income (loss) from discontinued operations
                                                                            0.01 -0.01        
      (loss) income from discontinued operations
                                                                                     
      restructurin and impairment charges
                                                                                     
      income from continuing operations before income taxes
                                                                        -5,340,000 9,602,000  11,045,000 10,572,000 11,156,000        
      income (loss) from discontinued operations, net of taxes
                                                                            -3,000 -146,000        
      (loss) income before income taxes
                                                                              -8,389,000       
      impairment charges
                                                                                2,818,000  11,272,000   
      other income
                                                                                404,250 700,000    
      interest income
                                                                                396,250 607,000    
      income (loss) before income taxes
                                                                                10,395,250 19,738,000 5,679,000   
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-28 2008-06-29 2008-03-30 2007-12-30 2007-09-30 2007-07-01 2007-04-01 2006-12-31 2006-10-01 2006-07-02 2006-04-02 2006-01-01 2005-01-01 
                                                                                        
        assets
                                                                                        
        current assets
                                                      32,033,000    40,721,000    265,582,000,000                         181,030,000 
        cash and cash equivalents
      197,000,000 167,800,000 157,200,000 175,600,000 159,800,000 146,400,000 119,900,000 116,900,000 131,700,000 126,455,000 141,452,000 193,724,000 235,850,000 236,461,000 225,332,000 182,144,000 232,296,000 220,901,000 203,945,000 199,109,000 191,785,000 186,123,000 298,742,000 308,277,000 166,849,000 140,747,000 173,068,000 162,074,000 167,738,000 149,556,000 174,700,000 173,019,000 181,159,000 150,993,000 177,312,000 186,111,000 227,767,000 173,516,000 247,397,000 229,203,000 204,586,000 192,606,000 209,762,000 199,858,000 237,375,000 227,973,000 218,692,000 216,458,000  158,608,000 137,015,000 126,414,000  91,101,000 95,786,000 93,517,000  71,148,000 71,647,000 66,135,000 80,135,000 53,241,000 44,718,000 42,761,000 57,738,000 42,306,000 38,406,000 44,556,000 70,170,000 44,414,000 41,234,000 21,974,000 36,328,000 34,557,000 26,226,000 23,078,000 13,638,000 33,731,000 79,130,000 57,914,000 46,401,000  
        accounts receivable
      130,600,000 145,500,000 141,600,000 139,200,000                                                                               
        contract assets
      27,900,000 26,700,000 25,400,000 25,000,000 23,700,000 28,100,000 31,600,000 40,300,000 45,200,000 46,476,000 42,223,000 46,746,000 38,853,000 41,809,000 38,373,000 39,177,000 36,610,000 32,711,000 30,285,000 30,936,000 26,575,000 22,061,000 19,280,000 20,178,000 22,455,000 24,070,000 25,573,000 27,315,000 22,728,000 20,260,000 21,933,000 22,040,000                                                   
        inventories
      125,000,000 142,900,000 151,200,000 143,000,000 142,300,000 154,400,000 150,800,000 150,900,000 153,500,000 157,073,000 169,675,000 177,089,000 182,402,000 173,610,000 171,129,000 152,150,000 133,384,000 118,216,000 110,761,000 106,706,000 102,360,000 109,733,000 124,747,000 127,517,000 132,859,000 137,908,000 135,067,000 133,242,000 132,637,000 125,885,000 117,739,000 107,935,000 112,557,000 114,118,000 102,549,000 94,795,000 91,130,000 86,274,000 88,257,000 90,500,000 91,824,000 85,536,000 87,032,000 82,239,000 68,628,000 65,003,000 63,323,000 64,291,000  65,783,000 66,733,000 69,544,000  70,072,000 74,678,000 81,347,000  80,865,000 71,517,000 64,860,000 47,574,000 46,642,000 44,800,000 39,379,000 33,826,000 34,734,000 37,603,000 35,786,000 41,617,000 45,992,000 48,264,000 47,954,000 51,243,000 59,444,000 68,324,000 71,508,000 70,242,000 62,251,000 54,769,000 53,002,000 43,502,000  
        asbestos-related insurance recoverables, current portion
      4,700,000 4,300,000 4,300,000 4,300,000 4,300,000                                                                              
        other current assets
      14,800,000 17,800,000 20,400,000 15,800,000 28,500,000 31,700,000 35,500,000 29,800,000 30,300,000 31,825,000 35,124,000 11,913,000 17,426,000 15,500,000 17,823,000 23,597,000 13,586,000 13,420,000 16,773,000 19,140,000 13,088,000 10,217,000 11,131,000 12,764,000 10,838,000 9,336,000 10,814,000 13,255,000 10,829,000 12,416,000 13,535,000 13,614,000 10,580,000 9,925,000 10,355,000 12,616,000 8,910,000 9,365,000 10,718,000 9,793,000 8,431,000 8,423,000 10,863,000 11,008,000 7,046,000 8,163,000 9,854,000 8,718,000  7,966,000 7,450,000 7,932,000  9,359,000 9,989,000 10,207,000  9,805,000 10,158,000 10,829,000 7,042,000 6,441,000 5,844,000 5,363,000 4,615,000 6,243,000 5,610,000 4,799,000 5,595,000 5,222,000 4,697,000 5,455,000 3,888,000    3,415,000 3,555,000 4,542,000 3,114,000 2,761,000  
        total current assets
      500,000,000 505,000,000 500,100,000 502,900,000 493,900,000 521,200,000 502,100,000 501,400,000 526,900,000 554,797,000 582,779,000 611,881,000 659,867,000 637,678,000 635,696,000 576,529,000 584,065,000 554,565,000 525,125,000 505,780,000 474,175,000 474,443,000 590,690,000 621,293,000 464,102,000 458,492,000 509,859,000 503,910,000 485,786,000 472,325,000 485,429,000 475,785,000 454,523,000 425,920,000 441,441,000 440,356,000 458,401,000 392,960,000 468,098,000 450,318,000 429,137,000 424,479,000 441,136,000 435,166,000 432,054,000 438,067,000 418,636,000 407,568,000  356,767,000 326,189,000 310,088,000  289,987,000 282,980,000 284,973,000  278,505,000 268,104,000 247,747,000 221,583,000 193,977,000 178,432,000 165,806,000 164,215,000 153,995,000 145,026,000 145,979,000 184,293,000 184,515,000 179,534,000 171,421,000 247,054,000 228,478,000 228,056,000 253,970,000 272,554,000 267,160,000 239,818,000 217,033,000 181,030,000  
        property, plant and equipment, net of accumulated depreciation
      372,400,000 378,700,000 382,500,000 375,500,000 365,100,000 381,400,000 365,700,000 363,400,000 366,300,000 341,696,000 346,335,000 361,527,000 358,415,000 374,984,000 360,085,000 349,681,000 326,967,000 294,190,000 282,543,000 267,041,000 272,378,000 266,104,000 263,051,000 260,922,000 260,246,000 252,393,000 248,309,000 244,911,000 242,759,000 241,504,000 184,478,000 181,803,000 179,611,000 174,855,000 173,363,000 175,642,000 176,916,000 172,889,000 174,808,000 177,337,000 178,661,000 180,145,000 181,531,000 179,630,000 150,420,000 146,596,000 146,796,000 144,208,000  148,332,000 148,669,000 150,157,000  146,943,000 146,472,000 148,368,000  150,096,000 155,080,000 155,934,000 120,087,000 118,964,000 116,180,000 120,902,000 123,140,000 129,153,000 130,706,000 141,722,000 145,222,000 147,343,000 149,371,000 148,277,000 147,203,000 144,694,000 146,526,000 143,207,000 141,728,000 134,244,000 132,786,000 129,693,000 131,616,000  
        operating lease right-of-use assets
      19,200,000 22,000,000 23,000,000 23,400,000 24,100,000 25,400,000 17,600,000 18,600,000 18,900,000                                                                          
        goodwill
      303,400,000 303,500,000 305,900,000 363,400,000 357,600,000 365,700,000 356,300,000 357,200,000 359,800,000 352,214,000 358,641,000 355,867,000 352,365,000 338,312,000 351,811,000 364,684,000 370,189,000 264,785,000 267,192,000 266,437,000 270,172,000 265,781,000 262,469,000 260,870,000 262,930,000 260,552,000 263,804,000 263,251,000 264,885,000 266,304,000 234,287,000 239,052,000 237,107,000 234,587,000 232,247,000 228,229,000 208,431,000 178,329,000 177,067,000 178,876,000 175,453,000 177,604,000 178,617,000 175,009,000 98,227,000 101,676,000 108,632,000 108,558,000  106,887,000 103,000,000 102,045,000                      10,131,000 10,131,000 10,656,000 10,656,000 10,656,000 10,656,000 21,928,000 21,928,000  
        intangible assets, net of accumulated amortization
      99,300,000                                                                                  
        asbestos-related insurance recoverables, non-current portion
      48,100,000 48,000,000 48,000,000 48,000,000 48,000,000                                                                              
        deferred income taxes
      67,000,000 66,800,000 66,000,000 66,400,000 61,500,000 58,000,000 58,100,000 55,700,000 49,700,000 58,922,000 60,165,000 57,991,000 50,649,000 41,873,000 38,021,000 32,521,000 32,671,000 26,529,000 25,986,000 28,018,000 28,667,000 26,907,000 25,474,000 18,328,000 17,117,000 12,166,000 11,080,000 11,316,000 8,236,000 4,478,000 3,501,000 5,025,000 6,008,000 16,007,000 19,657,000 23,480,000     9,565,000 9,878,000 10,711,000 11,449,000 8,527,000 8,381,000 7,789,000 6,876,000  7,754,000 7,074,000 6,878,000  7,618,000 1,893,000 1,820,000  2,178,000 1,485,000 1,604,000 1,492,000 326,000 530,000 724,000 484,000 265,000 1,050,000 6,984,000 9,803,000 7,466,000 8,709,000 8,432,000 10,180,000 10,910,000 13,156,000 17,075,000 15,430,000 3,320,000 4,498,000 6,516,000 6,359,000  
        other long-term assets
      20,500,000 19,900,000 20,000,000 21,200,000 20,600,000 8,700,000 8,200,000 8,300,000 8,400,000 16,946,000 15,788,000 17,919,000 15,935,000 8,844,000 9,922,000 19,697,000 27,479,000 12,814,000 14,821,000 16,330,000 16,254,000 14,871,000 16,031,000 7,278,000 6,564,000 7,660,000 8,617,000 8,692,000 22,318,000 21,873,000 5,503,000 5,652,000 5,772,000 5,472,000 5,963,000 6,081,000 3,964,000 2,550,000 3,328,000 3,396,000 5,132,000 6,275,000 6,264,000 8,522,000 7,079,000 7,170,000 7,437,000 7,647,000  7,784,000 7,715,000 7,820,000  8,122,000 8,189,000 8,409,000  8,422,000 7,905,000 7,880,000 5,323,000 4,339,000 4,298,000 4,256,000 4,214,000 5,044,000 5,003,000 4,974,000 4,933,000 4,795,000 4,787,000 4,780,000 4,698,000    4,576,000      
        total assets
      1,429,900,000 1,446,000,000 1,451,300,000 1,510,400,000 1,481,100,000 1,540,000,000 1,487,100,000 1,488,000,000 1,517,200,000 1,520,866,000 1,568,377,000 1,611,527,000 1,646,214,000 1,625,790,000 1,632,270,000 1,593,262,000 1,598,566,000 1,346,040,000 1,313,476,000 1,282,220,000 1,264,005,000 1,272,040,000 1,400,541,000 1,426,416,000 1,273,181,000 1,249,718,000 1,307,353,000 1,299,394,000 1,279,344,000 1,269,425,000 1,148,129,000 1,146,127,000 1,125,134,000 1,081,618,000 1,099,141,000 1,101,388,000 1,056,500,000 891,081,000 970,201,000 962,385,000 932,458,000 943,969,000 967,730,000 985,062,000 835,117,000 850,894,000 841,507,000 832,328,000  793,142,000 758,509,000 754,442,000  716,299,000 661,162,000 673,346,000 677,578,000,000 702,662,000 709,495,000 693,043,000 484,874,000 449,320,000 430,132,000 423,718,000 407,478,000 393,693,000 381,966,000 431,433,000 475,433,000 464,529,000 463,407,000 455,850,000 470,948,000 450,730,000 444,188,000 465,035,000 480,902,000 481,443,000 451,507,000 437,010,000 400,600,000 400,600,000 
        liabilities and shareholders’ equity
                                                                                        
        current liabilities
                                                      5,943,000    12,008,000    78,644,000,000                         57,366,000 
        accounts payable
      42,900,000 49,700,000 53,400,000 50,900,000 48,100,000 47,200,000 49,900,000 51,700,000 50,300,000 46,852,000 51,233,000 52,156,000 57,342,000 57,200,000 76,840,000 74,916,000 64,660,000 54,818,000 53,471,000 52,342,000 35,987,000 35,886,000 35,616,000 39,707,000 33,019,000 38,608,000 42,214,000 43,481,000 40,321,000 39,999,000 37,299,000 41,346,000 36,116,000 35,867,000 35,560,000 30,297,000 28,379,000 28,321,000 26,751,000 23,170,000 19,851,000 24,352,000 24,924,000 29,954,000 20,020,000 24,454,000 23,907,000 21,369,000  21,674,000 17,753,000 16,423,000  16,581,000 15,561,000 17,208,000  22,642,000 22,423,000 22,711,000 16,296,000 11,477,000 13,103,000 14,430,000 9,308,000 11,628,000 10,840,000 6,996,000 11,619,000 18,906,000 16,982,000 18,945,000 22,127,000 14,322,000 16,459,000 17,791,000 25,715,000 31,295,000 19,674,000 22,272,000 18,992,000  
        accrued employee benefits and compensation
      43,200,000 45,100,000 44,700,000 41,300,000 41,500,000 39,700,000 30,900,000 29,500,000 31,100,000 33,778,000 33,591,000 37,207,000 34,158,000 35,978,000 33,006,000 34,382,000 48,196,000 46,925,000 43,915,000 42,331,000 41,708,000 35,991,000 25,230,000 26,464,000 29,678,000 31,722,000 31,798,000 26,984,000 30,491,000 27,598,000 26,081,000 26,178,000 39,394,000 34,176,000 30,433,000 24,696,000 31,104,000 26,410,000 25,063,000 24,376,000 23,263,000 21,604,000 22,633,000 26,127,000 33,983,000 29,548,000 24,562,000 23,175,000  26,150,000 23,981,000 24,850,000  34,875,000 33,315,000 34,712,000  30,640,000 26,009,000 24,109,000 26,692,000 27,446,000 24,230,000 18,107,000 16,081,000 18,791,000 18,849,000 17,145,000 23,378,000 20,849,000 19,082,000 15,975,000 14,991,000 18,196,000 17,078,000 14,633,000 27,322,000 29,377,000 25,972,000 18,607,000 13,916,000  
        accrued income taxes payable
      10,200,000 6,900,000 4,500,000 5,600,000 7,700,000 6,600,000 7,600,000 7,300,000 2,000,000 7,018,000 7,616,000 4,553,000 5,504,000 4,046,000 5,815,000 1,384,000 9,632,000 7,071,000 5,177,000 7,629,000 8,558,000 6,235,000 11,358,000 6,626,000 10,649,000 9,642,000 9,048,000 8,720,000 7,032,000 9,189,000 3,987,000 1,748,000 6,408,000 16,147,000 12,387,000 15,506,000 10,921,000 9,607,000 5,438,000 8,419,000 3,599,000 10,049,000 7,569,000 8,402,000 6,103,000 9,438,000 2,917,000 6,830,000  2,661,000 1,921,000 3,748,000  671,000 31,000 639,000  4,021,000 4,371,000 3,018,000 1,528,000 2,146,000 861,000 2,731,000 1,349,000 1,447,000 1,734,000  1,318,000 3,318,000 6,712,000 9,494,000 6,326,000 5,774,000 6,989,000 17,794,000 9,970,000 6,421,000 5,956,000 8,567,000 7,209,000  
        operating lease obligations, current portion
      3,900,000 4,100,000 4,200,000 4,100,000 4,000,000 4,100,000 3,700,000 3,800,000 3,500,000                                                                          
        asbestos-related liabilities, current portion
      5,500,000 5,400,000 5,400,000 5,400,000 5,400,000 5,500,000 5,500,000 5,500,000 5,500,000 4,968,000 4,968,000 4,968,000 4,968,000 4,048,000 4,048,000 3,841,000 3,841,000 3,615,000 3,615,000 3,615,000 3,615,000 5,007,000 5,007,000 5,007,000 5,007,000 5,547,000 5,547,000 5,547,000 5,547,000                                                      
        other accrued liabilities
      20,400,000 18,800,000 19,700,000 20,300,000 16,800,000 19,400,000 18,900,000 19,200,000 24,000,000 23,176,000 20,817,000 28,214,000 40,067,000 36,644,000 35,239,000 46,643,000 37,620,000 25,813,000 20,844,000 23,645,000 21,641,000 23,237,000 19,654,000 19,535,000 21,872,000 19,670,000 24,085,000 23,633,000 23,369,000 24,686,000 25,095,000 24,336,000 25,629,000 20,299,000 21,349,000 19,162,000 19,679,000 17,942,000 19,388,000 16,716,000 20,440,000 20,370,000 22,327,000 24,088,000 17,765,000 22,052,000 18,025,000 15,248,000  10,675,000 11,454,000 11,411,000  10,776,000 10,376,000 10,536,000                  17,655,000 16,426,000 16,942,000  15,112,000 11,131,000 10,735,000 10,226,000  
        total current liabilities
      126,100,000 130,000,000 131,900,000 127,600,000 123,500,000 122,500,000 116,500,000 117,000,000 116,400,000 116,137,000 118,580,000 127,478,000 142,537,000 137,916,000 154,948,000 161,166,000 163,949,000 138,242,000 127,022,000 129,562,000 111,509,000 106,356,000 96,865,000 97,339,000 100,225,000 105,189,000 112,692,000 108,365,000 107,180,000 107,590,000 98,744,000 99,894,000 113,808,000 113,987,000 107,211,000 97,116,000 101,185,000 94,178,000 88,538,000 84,235,000 79,120,000 88,326,000 87,720,000 138,560,000 120,445,000 121,311,000 97,795,000 93,764,000  86,439,000 87,308,000 87,562,000  87,716,000 94,814,000 96,950,000  89,225,000 76,777,000 71,527,000 65,441,000 55,796,000 53,168,000 50,685,000 42,845,000 46,219,000 45,808,000 37,799,000 59,836,000 59,814,000 61,502,000 65,215,000 68,286,000 60,191,000 61,196,000 71,404,000 82,143,000 89,228,000 69,756,000 67,204,000 57,366,000  
        operating lease obligations, non-current portion
      17,900,000 18,900,000 19,500,000 20,100,000 20,600,000 21,700,000 14,100,000 15,100,000 15,400,000                                                                          
        asbestos-related liabilities, non-current portion
      51,900,000 51,800,000 51,900,000 52,000,000 52,100,000 55,100,000 55,800,000 56,000,000 56,000,000 59,739,000 59,884,000 59,996,000 60,065,000 60,167,000 60,248,000 64,250,000 64,491,000 69,393,000 69,469,000 69,559,000 69,620,000 80,540,000 80,696,000 80,767,000 80,873,000 65,104,000 65,226,000 64,672,000 64,799,000                                                      
        non-current income tax
      4,800,000 7,500,000 6,000,000 5,800,000 5,700,000 6,100,000 7,500,000 7,200,000 7,200,000 9,560,000 9,450,000 9,204,000 9,985,000 8,013,000 9,079,000 8,205,000 7,131,000 18,024,000 16,930,000 15,572,000 16,346,000 15,509,000 14,554,000 11,320,000 10,423,000 9,296,000 8,554,000 7,712,000 8,418,000 10,707,000 9,755,000 12,496,000 12,823,000 7,619,000 7,302,000 6,517,000 6,238,000 9,957,000 9,849,000 13,247,000 11,863,000 12,702,000 12,399,000 12,078,000 10,544,000 11,498,000 11,045,000 10,479,000  20,713,000 20,033,000 19,957,000  18,559,000 18,628,000 18,176,000  17,885,000 18,610,000 17,908,000 15,339,000 7,540,000 8,412,000 8,140,000 8,299,000                  
        other long-term liabilities
      15,800,000 16,400,000 16,300,000 16,300,000 9,600,000 10,100,000 9,800,000 10,200,000 10,300,000 18,333,000 17,571,000 19,702,000 19,808,000 13,747,000 13,598,000 22,786,000 23,031,000 11,728,000 12,198,000 11,808,000 10,788,000 11,460,000 12,726,000 15,470,000 13,973,000 14,718,000 15,378,000 13,951,000 4,967,000 4,028,000 4,119,000 4,181,000 3,464,000 3,408,000 3,525,000 3,527,000 3,162,000 3,227,000 3,201,000 3,550,000 3,503,000 3,298,000 3,337,000 2,707,000 338,000 396,000 340,000 329,000  347,000 350,000 309,000  635,000 617,000 567,000  637,000 597,000 3,557,000 3,534,000 3,247,000 3,188,000 3,133,000 697,000 8,438,000 7,695,000 7,708,000 8,333,000 8,061,000 8,902,000 5,277,000 5,043,000    1,169,000 1,031,000 949,000 1,330,000 1,737,000  
        commitments and contingencies
                                                                                        
        shareholders’ equity
                                                              338,256,000,000                         280,250,000 
        capital stock - 1 par value; 50.0 authorized shares; 17.8 and 18.5 shares issued and outstanding, respectively
      17,800,000                                                                                  
        additional paid-in capital
      105,700,000 117,300,000 126,400,000 149,700,000 147,300,000 155,700,000 152,400,000 153,800,000 151,800,000 148,992,000 145,219,000 140,214,000 140,702,000 165,276,000 161,885,000 157,164,000 163,583,000 159,867,000 154,330,000 150,004,000 147,961,000 145,010,000 141,092,000 137,235,000 138,526,000 135,761,000 131,836,000 128,417,000 132,360,000 129,659,000 126,452,000 123,104,000 128,933,000 124,665,000 123,575,000 118,213,000 118,678,000 114,171,000 114,974,000 111,789,000 112,017,000 112,785,000 146,524,000 141,999,000 137,225,000 130,660,000 127,930,000 122,257,000  102,755,000 83,655,000 77,599,000  63,748,000 58,510,000   49,032,000 42,458,000 37,454,000 33,194,000 31,904,000 29,951,000 28,094,000 25,160,000 24,425,000 22,827,000 19,776,000 19,264,000 17,619,000 13,395,000 11,381,000 37,636,000 38,393,000 42,526,000 49,484,000 59,352,000 54,217,000 51,358,000 44,064,000 31,220,000  
        retained earnings
      1,119,300,000 1,114,700,000 1,106,100,000 1,179,700,000 1,181,100,000 1,181,600,000 1,170,900,000 1,162,800,000 1,155,000,000 1,131,848,000 1,112,813,000 1,094,949,000 1,098,454,000 1,031,146,000 1,016,308,000 998,425,000 981,825,000 958,694,000 933,565,000 904,910,000 873,692,000 858,487,000 851,481,000 836,961,000 823,702,000 852,462,000 829,075,000 804,782,000 776,403,000 751,951,000 732,217,000 714,888,000 684,540,000 677,541,000 652,009,000 631,113,000 591,349,000 579,436,000 563,371,000 557,994,000 543,066,000 531,049,000 518,595,000 505,055,000 491,428,000 484,415,000 464,027,000 453,125,000  427,018,000 413,446,000 407,880,000  395,721,000 336,745,000 330,291,000  330,963,000 316,607,000 304,478,000 295,044,000 284,496,000 275,640,000 267,327,000 260,473,000 253,423,000 247,092,000 314,625,000 323,343,000 319,489,000 311,544,000 304,648,000 296,828,000 288,829,000 279,840,000 284,170,000 277,442,000 264,767,000 247,591,000 243,593,000 230,986,000  
        accumulated other comprehensive loss
      -47,100,000 -47,200,000 -43,900,000 -77,600,000 -95,300,000 -55,200,000 -81,100,000 -75,500,000 -66,400,000 -88,844,000 -71,031,000 -75,514,000 -85,264,000 -125,381,000 -90,433,000 -56,914,000 -45,243,000 -38,029,000 -29,955,000 -32,771,000 -19,575,000 -35,149,000 -48,659,000 -55,049,000 -46,905,000 -92,161,000 -81,956,000 -83,423,000 -78,834,000 -73,617,000 -72,264,000 -57,334,000 -65,155,000    -92,262,000   -77,491,000 -88,458,000                    -13,547,000 -9,288,000 -19,046,000 -12,403,000 -8,426,000 -17,937,000 -21,303,000 -27,252,000               
        total shareholders' equity
      1,195,700,000 1,202,700,000 1,206,700,000 1,270,300,000 1,251,600,000 1,300,700,000 1,260,800,000 1,259,800,000 1,259,000,000 1,210,612,000 1,205,617,000 1,178,258,000 1,172,466,000 1,089,853,000 1,106,571,000 1,117,478,000 1,118,895,000 1,099,261,000 1,076,662,000 1,040,855,000 1,020,755,000 987,024,000 962,582,000 937,809,000 933,900,000 914,634,000 897,514,000 868,322,000 848,324,000 826,383,000 804,785,000 799,023,000 766,573,000     629,843,000 613,193,000 610,288,000 584,582,000 576,127,000 599,889,000 573,071,000 581,963,000 596,980,000 597,309,000 581,894,000  514,909,000 470,380,000 436,371,000  416,875,000 345,343,000 345,226,000  383,189,000 383,325,000 359,386,000 330,532,000 322,932,000 302,351,000 298,795,000 292,950,000 275,651,000 264,298,000 322,806,000 336,144,000 367,096,000 359,365,000 351,720,000 363,981,000 349,009,000 341,511,000 352,221,000 357,177,000 342,933,000 323,019,000 308,665,000 280,250,000  
        total liabilities and shareholders' equity
      1,429,900,000 1,446,000,000 1,451,300,000 1,510,400,000 1,481,100,000 1,540,000,000 1,487,100,000 1,488,000,000 1,517,200,000 1,520,866,000 1,568,377,000 1,611,527,000 1,646,214,000 1,625,790,000 1,632,270,000 1,593,262,000 1,598,566,000 1,346,040,000 1,313,476,000 1,282,220,000 1,264,005,000 1,272,040,000 1,400,541,000 1,426,416,000 1,273,181,000 1,249,718,000 1,307,353,000 1,299,394,000 1,279,344,000 1,269,425,000 1,148,129,000 1,146,127,000 1,125,134,000     891,081,000 970,201,000 962,385,000 932,458,000 943,969,000 967,730,000 985,062,000 835,117,000 850,894,000 841,507,000 832,328,000  793,142,000 758,509,000 754,442,000  716,299,000 661,162,000 673,346,000  702,662,000 709,495,000 693,043,000 484,874,000 449,320,000 430,132,000 423,718,000 407,478,000 393,693,000 381,966,000 431,433,000 475,433,000 464,529,000 463,407,000 455,850,000 470,948,000 450,730,000 444,188,000 465,035,000 480,902,000 481,443,000 451,507,000 437,010,000 400,600,000  
        other intangible assets, net of amortization
       102,100,000 105,800,000 109,600,000 110,300,000 117,700,000 117,200,000 120,300,000 123,900,000 124,496,000 130,551,000 132,233,000 133,724,000 150,148,000 159,978,000 169,977,000 176,353,000 108,033,000 111,404,000 114,373,000 118,026,000 132,818,000 147,722,000 155,004,000 158,947,000 162,939,000 167,985,000 172,234,000 177,008,000 181,618,000 152,009,000 156,998,000 160,278,000                                                  
        capital stock - 1 par value; 50.0 authorized shares; 17.9 and 18.5 shares issued and outstanding
       17,900,000                                                                                 
        capital stock - 1 par value; 50.0 authorized shares; 18.1 and 18.5 shares issued and outstanding
        18,100,000                                                                                
        capital stock - 1 par value; 50.0 authorized shares; 18.5 and 18.5 shares issued and outstanding
         18,500,000                                                                               
        accounts receivables
          135,300,000 156,300,000 160,000,000 159,200,000 161,900,000 185,750,000 186,700,000 174,620,000 177,413,000 162,929,000 176,642,000 173,387,000 163,092,000 163,804,000 157,471,000 144,049,000 134,421,000 138,611,000 128,697,000 144,202,000 122,285,000 138,532,000 156,924,000 160,696,000 144,623,000 155,706,000 148,727,000 150,038,000 140,562,000 138,506,000 136,993,000 134,084,000 119,604,000 112,049,000 109,310,000 107,866,000 101,428,000 102,396,000 107,337,000 113,540,000 94,876,000 106,625,000 102,360,000 95,311,000  97,312,000 88,846,000 79,518,000  88,581,000 81,767,000 77,687,000  93,049,000 89,242,000 86,889,000 61,995,000 66,512,000 61,993,000 56,500,000 46,179,000 52,428,000 45,464,000 43,417,000 44,492,000 67,818,000 62,951,000 73,885,000 76,965,000 76,990,000 64,829,000 85,216,000 86,096,000 89,210,000 76,541,000 70,657,000 62,850,000  
        investments in unconsolidated joint ventures
           9,700,000 9,700,000 10,900,000 11,100,000 10,346,000 12,760,000 12,841,000 14,082,000 12,974,000 15,931,000 15,508,000 16,328,000 15,415,000 16,904,000 14,948,000 15,248,000 12,755,000 16,907,000 15,743,000 16,461,000 15,033,000 17,534,000 15,799,000 18,667,000 17,812,000 19,411,000 18,301,000 18,324,000 19,340,000 17,949,000 16,726,000 16,183,000 17,935,000 16,653,000 16,593,000 15,348,000 17,938,000 17,228,000 17,057,000 17,214,000 20,153,000 19,223,000 18,125,000  20,908,000 19,022,000 18,490,000  20,524,000 22,774,000 21,637,000  27,663,000 25,664,000 23,875,000 25,452,000 33,176,000 29,709,000 27,419,000 33,968,000 32,084,000 29,080,000 26,945,000 31,051,000 30,974,000 32,017,000 32,988,000 30,556,000 28,305,000 25,482,000 26,174,000 26,629,000 23,318,000 23,764,000 22,186,000 20,260,000  
        borrowings under revolving credit facility
              30,000,000 80,000,000 130,000,000 190,000,000 215,000,000 290,000,000 260,000,000 190,000,000 190,000,000   4,000,000 25,000,000 60,000,000 223,000,000 273,000,000 123,000,000 130,482,000 195,482,000 223,482,000 228,482,000 233,482,000                                                     
        capital stock - 1 par value; 50.0 authorized shares; 18.5 and 18.6 shares issued and outstanding, respectively
          18,500,000                                                                              
        asbestos-related insurance receivables, current portion
           4,300,000 4,300,000 4,300,000 4,300,000 3,881,000 3,881,000 3,881,000 3,881,000 3,361,000 3,361,000 3,176,000 3,176,000 2,986,000 2,986,000 2,986,000 2,986,000 4,292,000 4,292,000 4,292,000 4,292,000 4,138,000 4,138,000 4,138,000 4,138,000                                                      
        asbestos-related insurance receivables, non-current portion
           52,200,000 52,200,000 52,200,000 52,200,000 55,926,000 55,926,000 55,926,000 55,926,000 55,516,000 55,516,000 59,391,000 59,391,000 63,807,000 63,807,000 63,807,000 63,807,000 74,024,000 74,024,000 74,024,000 74,024,000 60,247,000 60,247,000 59,685,000 59,685,000                                                      
        capital stock - 1 par value; 50.0 authorized shares; 18.6 and 18.6 shares issued and outstanding
           18,600,000 18,600,000                                                                            
        capital stock - 1 par value; 50.0 authorized shares; 18.7 and 18.6 shares issued and outstanding
             18,700,000                                                                           
        capital stock - 1 par value; 50.0 authorized shares; 18.6 and 18.6 shares issued and outstanding, respectively
              18,600,000                                                                          
        prepaid income taxes
               3,337,000 3,724,000 3,908,000 4,042,000 4,008,000 3,036,000 2,898,000 1,921,000 2,527,000 2,904,000 2,854,000 2,960,000 3,406,000 3,801,000 4,063,000 4,524,000 3,761,000 4,275,000 3,190,000 3,093,000 2,820,000 2,732,000 2,561,000 3,087,000 4,383,000 4,392,000 3,924,000 3,020,000 3,511,000 4,171,000 4,711,000 5,058,000 3,661,000 4,108,000 4,726,000 4,586,000 4,773,000 4,156,000 4,543,000  5,495,000 5,134,000 4,941,000  3,454,000 4,934,000 4,418,000  4,930,000 3,580,000 2,660,000 1,938,000 2,290,000 2,317,000 2,502,000 1,949,000 1,967,000 1,819,000 976,000 1,579,000 1,795,000 3,607,000 3,847,000 5,160,000          
        pension assets
               5,523,000 5,432,000 5,342,000 5,251,000 5,461,000 5,310,000 5,274,000 5,123,000 5,902,000 5,694,000 5,486,000 5,278,000 4,337,000 4,173,000 12,954,000 12,790,000 20,236,000 19,918,000 19,596,000                                                       
        finance lease obligations, current portion
               345,000 355,000 380,000 498,000                                                                      
        pension and other postretirement benefits liabilities
               1,618,000 1,579,000 1,540,000 1,501,000 1,495,000 1,475,000 1,638,000 1,618,000 1,682,000 1,658,000 1,635,000 1,612,000 1,654,000 1,625,000 1,596,000 1,567,000 1,739,000 1,739,000 1,739,000                                                       
        finance lease obligations, non-current portion
               1,147,000 1,253,000 1,323,000 1,295,000                                                                      
        capital stock - 1 par value; 50,000 authorized shares; 18,616 and 18,574 shares issued and outstanding
               18,616,000 18,616,000                                                                        
        capital stock - 1 par value; 50,000 authorized shares; 18,609 and 18,574 shares issued and outstanding
                 18,609,000                                                                       
        capital stock - 1 par value; 50,000 authorized shares; 18,574 and 18,730 shares issued and outstanding, respectively
                  18,574,000                                                                      
        capital stock - 1 par value; 50,000 authorized shares; 18,812 and 18,730 shares issued and outstanding
                   18,812,000                                                                     
        capital stock - 1 par value; 50,000 authorized shares; 18,811 and 18,730 shares issued and outstanding
                    18,811,000                                                                    
        capital stock - 1 par value; 50,000 authorized shares; 18,803 and 18,730 shares issued and outstanding
                     18,803,000                                                                   
        capital stock - 1 par value; 50,000 authorized shares; 18,730 and 18,677 shares issued and outstanding, respectively
                      18,730,000                                                                  
        capital stock - 1 par value; 50,000 authorized shares; 18,729 and 18,677 shares issued and outstanding
                       18,729,000                                                                 
        capital stock - 1 par value; 50,000 authorized shares; 18,722 and 18,677 shares issued and outstanding
                        18,722,000                                                                
        capital stock - 1 par value; 50,000 authorized shares; 18,712 and 18,677 shares issued and outstanding
                         18,712,000                                                               
        capital stock - 1 par value; 50,000 authorized shares; 18,677 and 18,577 shares issued and outstanding, respectively
                          18,677,000                                                              
        capital stock - 1 par value; 50,000 authorized shares; 18,676 and 18,577 shares issued and outstanding
                           18,676,000                                                             
        capital stock - 1 par value; 50,000 authorized shares; 18,668 and 18,577 shares issued and outstanding
                            18,668,000                                                            
        capital stock - 1 par value; 50,000 authorized shares; 18,662 and 18,577 shares issued and outstanding
                             18,662,000                                                           
        capital stock - 1 par value; 50,000 authorized shares; 18,577 and 18,395 shares issued and outstanding, respectively
                              18,577,000                                                          
        capital stock - 1 par value; 50,000 authorized shares; 18,572 and 18,395 shares issued and outstanding
                               18,572,000                                                         
        capital stock - 1 par value; 50,000 authorized shares; 18,559 and 18,395 shares issued and outstanding
                                18,559,000                                                        
        capital stock - 1 par value; 50,000 authorized shares; 18,546 and 18,395 shares issued and outstanding
                                 18,546,000                                                       
        assets held for sale
                                    381,000 896,000 896,000 896,000 2,741,000 1,727,000      8,469,000              1,400,000  1,841,000 2,548,000 1,841,000 5,841,000 5,841,000 5,841,000 5,841,000 5,841,000 6,400,000 6,400,000                
        capital lease obligations, current portion
                                  420,000                                                      
        capital lease obligations, non-current portion
                                  4,629,000                                                      
        pension liability
                                  270,000 268,000 8,720,000 8,720,000 8,720,000    8,501,000    12,623,000 13,150,000 13,150,000 19,650,000 17,652,000   5,435,000  27,508,000 34,008,000 59,442,000  46,545,000 52,862,000 58,871,000  26,980,000 31,980,000 31,980,000 31,980,000 24,641,000 28,641,000 28,641,000 28,641,000 35,683,000 35,678,000 35,683,000 43,683,000 3,929,000 8,009,000 8,009,000 8,009,000 11,698,000 11,698,000 11,698,000 11,698,000 7,016,000 15,370,000 15,380,000 16,973,000  
        retiree health care and life insurance benefits
                                  1,469,000 1,685,000 1,685,000 1,685,000 1,685,000 1,971,000 1,510,000 1,992,000 1,992,000    2,185,000 8,768,000 8,768,000 8,768,000 8,768,000 9,649,000 9,649,000 9,649,000  10,654,000 10,654,000 10,654,000  9,486,000 9,486,000 9,486,000  8,144,000 8,144,000 8,144,000 8,144,000 8,053,000 8,053,000 8,053,000 8,053,000 7,793,000 7,793,000 7,793,000 7,793,000 6,288,000 6,288,000 6,288,000 6,288,000 10,021,000 10,021,000 10,021,000 10,021,000 7,048,000 7,048,000 7,048,000 7,048,000  
        capital stock - 1 par value; 50,000 authorized shares; 18,395 and 18,255 shares issued and outstanding
                                  18,395,000                                                      
        current portion of asbestos-related insurance receivables
                                   5,682,000 5,682,000                                                    
        asbestos-related insurance receivables
                                   63,511,000 63,511,000 5,682,000 5,682,000 7,099,000 7,099,000 7,099,000 7,099,000 8,245,000 8,245,000 8,245,000 8,245,000 6,827,000 6,827,000 6,827,000 6,827,000 7,542,000 7,542,000 7,542,000  8,195,000 8,195,000 8,195,000  6,471,000 6,471,000 6,471,000  8,563,000 8,563,000 8,563,000 8,563,000 6,944,000 6,944,000 6,944,000 6,944,000 4,632,000 4,632,000 4,632,000 4,632,000 4,303,000 4,303,000 4,303,000 4,303,000 4,244,000 4,244,000 4,244,000 4,244,000 7,023,000 7,023,000 7,023,000 7,023,000  
        current portion of capital lease obligations
                                   436,000 600,000                                                    
        current portion of asbestos-related liabilities
                                   5,682,000 5,682,000 5,682,000 5,682,000                                                  
        non-current portion of capital lease obligations
                                   4,786,000 5,404,000                                                    
        asbestos-related liabilities
                                   69,560,000 70,056,000 70,207,000 70,500,000 7,099,000 7,099,000 7,099,000 7,099,000 8,245,000 8,245,000 8,245,000 8,245,000 6,827,000 6,827,000 6,827,000 6,827,000 7,542,000 7,542,000 7,542,000  8,195,000 8,195,000 8,195,000  6,471,000 6,471,000 6,471,000  8,563,000 8,563,000 8,563,000 8,563,000 6,944,000 6,944,000 6,944,000 6,944,000 4,632,000 4,632,000 4,632,000 4,632,000 4,303,000 4,303,000 4,303,000 4,303,000 4,244,000 4,244,000 4,244,000 4,244,000 7,023,000 7,023,000 7,023,000 7,023,000  
        capital stock - 1 par value; 50,000 authorized shares; 18,390 and 18,255 shares issued and outstanding
                                   18,390,000                                                     
        borrowings under credit facility
                                    130,982,000 130,982,000 130,982,000 131,188,000 191,188,000 241,188,000                                               
        capital stock - 1 par value; 50,000 authorized shares; 18,380 and 18,255 shares issued and outstanding
                                    18,380,000                                                    
        current portion of lease obligations
                                     604,000 579,000                                                  
        long-term lease obligations
                                     5,853,000 5,873,000                                                  
        capital stock - 1 par value; 50,000 authorized shares; 18,365 and 18,255 shares outstanding
                                     18,365,000                                                   
        current portion of long-term debt
                                                                                        
        capital stock - 1 par value; 50,000 authorized shares; 18,255 and 18,021 shares outstanding
                                      18,255,000                                                  
        other intangible assets
                                       164,142,000 167,226,000 169,579,000 136,676,000 67,920,000 70,313,000 73,587,000 75,019,000 77,577,000 80,566,000 82,171,000 38,340,000 41,230,000 45,874,000 47,674,000  49,890,000 49,570,000 50,321,000                      112,000 226,000 339,000 454,000 487,000 588,000 728,000 764,000  
        current portion of lease obligation
                                       399,000 383,000 356,000 350,000    284,000 287,000 690,000 662,000 747,000 777,000 842,000 850,000  834,000 1,004,000 1,185,000  1,592,000 1,560,000 1,634,000  1,657,000 1,786,000 1,746,000                       
        current portion of long term debt
                                          3,653,000 3,653,000 3,653,000 3,309,000 3,438,000 3,094,000 2,750,000 42,500,000 35,000,000 27,500,000 20,000,000 18,750,000  16,250,000 23,000,000 21,750,000  16,750,000 27,500,000 25,750,000  6,250,000                         
        long term lease obligation
                                       5,277,000 5,207,000 4,962,000 4,993,000 5,528,000 5,510,000 5,729,000 5,549,000 5,772,000 5,444,000 5,285,000 6,042,000 6,356,000 6,960,000 7,105,000  7,121,000 6,734,000 6,681,000  6,847,000 6,955,000 7,540,000  8,149,000 9,046,000 9,096,000                       
        pension and post-retirement benefit obligations
                                       8,501,000 8,501,000 8,501,000  14,808,000 14,808,000 14,808,000                                           
        capital stock - 1 par value; 50,000 authorized shares; 18,218 and 18,021 shares outstanding
                                       18,218,000                                                 
        accumulated other comprehensive income
                                       -69,320,000 -75,490,000 -88,208,000  -81,737,000 -83,179,000   -85,689,000 -83,879,000 -92,588,000 -65,094,000 -36,381,000 -12,875,000 -11,608,000  -32,580,000 -43,963,000 -66,178,000  -59,164,000 -66,308,000 -55,408,000  -12,974,000 8,216,000 1,499,000         -22,117,000 14,358,000 18,852,000 20,154,000 13,102,000 5,382,000 2,642,000 1,881,000 3,445,000 6,332,000 7,272,000 4,397,000 1,789,000  
        total shareholders’ equity
                                       751,104,000 718,255,000 679,239,000 635,786,000                                              
        total liabilities and shareholders’ equity
                                       1,081,618,000 1,099,141,000 1,101,388,000 1,056,500,000                                              
        capital stock - 1 par value; 50,000 authorized shares; 18,161 and 18,021 shares outstanding
                                        18,161,000                                                
        capital stock - 1 par value; 50,000 authorized shares; 18,121 and 18,021 shares outstanding
                                         18,121,000                                               
        land held for sale
                                          871,000                                              
        long term debt
                                          235,877,000 70,816,000 171,730,000 172,643,000 175,188,000 176,219,000 177,250,000 137,500,000 25,000,000 37,500,000 50,000,000 55,000,000  65,000,000 70,000,000 73,750,000  89,250,000 92,500,000 95,500,000  122,500,000 135,000,000 145,000,000                       
        capital stock - 1 par value; 50,000 authorized shares; 18,021 and 17,957 shares outstanding
                                          18,021,000                                              
        capital stock - 1 par value; 50,000 authorized shares; 17,973 and 17,957 shares outstanding
                                           17,973,000                                             
        capital stock - 1 par value; 50,000 authorized shares; 18,027 and 17,957 shares outstanding
                                            18,027,000                                            
        capital stock - 1 par value; 50,000 authorized shares; 17,996 and 17,957 shares outstanding
                                             17,996,000                                           
        capital stock - 1 par value; 50,000 authorized shares; 17,957 and 18,404 shares outstanding
                                              17,957,000                                          
        accounts receivable from joint ventures
                                               3,223,000 2,222,000 2,028,000 1,760,000 2,171,000 1,974,000 1,485,000  2,447,000 1,778,000 2,374,000  6,418,000 2,418,000 1,727,000  2,573,000 2,254,000 2,154,000 1,338,000 1,555,000 1,542,000 1,539,000 2,654,000 2,726,000 3,491,000 805,000 3,185,000 1,440,000 2,177,000 3,637,000 3,368,000 1,975,000 3,208,000 4,669,000 5,437,000 5,145,000 4,357,000 4,966,000 5,570,000  
        accounts receivable, other
                                               1,507,000 1,229,000 2,788,000 1,823,000 6,997,000 2,857,000 2,258,000  1,182,000 1,752,000 2,053,000  2,965,000 3,325,000 3,536,000  3,298,000 3,159,000 1,967,000 3,773,000 1,589,000 1,264,000 1,409,000 909,000 1,558,000 1,601,000 1,510,000 2,765,000 1,773,000 1,330,000 1,934,000 2,319,000 1,819,000 2,313,000 2,129,000 3,767,000 5,950,000     
        taxes receivable
                                               1,953,000 1,045,000 703,000 606,000 439,000 89,000 86,000  2,025,000 2,212,000 2,099,000  3,019,000 1,719,000 2,843,000  255,000 247,000 245,000 1,706,000 2,596,000 2,596,000 2,677,000 2,677,000                  
        pension asset
                                               403,000 403,000 403,000 403,000 4,047,000 4,047,000 2,983,000                      2,173,000 2,173,000 2,173,000 2,173,000 974,000 974,000 974,000 974,000 6,667,000 6,667,000 6,667,000 6,667,000  
        liabilities held for sale
                                               1,743,000                                         
        capital stock - 1 par value; 50,000 authorized shares; 17,982 and 18,404 shares outstanding
                                               17,982,000                                         
        capital stock - 1 par value; 50,000,000 authorized shares; 18,649,994 and 18,403,109 shares outstanding
                                                18,649,000                                        
        capital stock - 1 par value; 50,000,000 authorized shares; 18,605,116 and 18,403,109 shares outstanding
                                                 18,605,000                                       
        investments, other
                                                  341,000 507,000 507,000 507,000  5,127,000 5,127,000 5,000,000  5,000,000 5,000,000 5,000,000  5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000 5,000,000                 
        capital stock - 1 par value; 50,000,000 authorized shares; 18,403,109 and 17,854,506 shares outstanding
                                                  18,404,000                                      
        capital stock - 1 par value; 50,000,000 authorized shares; 18,285,624 and 17,854,506 shares outstanding
                                                   18,286,000                                     
        capital stock - 1 par value; 50,000,000 authorized shares; 18,226,942 and 17,854,506 shares outstanding
                                                    18,227,000                                    
        capital stock - 1 par value; 50,000,000 authorized shares; 18,120,086 and 17,854,506 shares outstanding
                                                     18,120,000                                   
        trademarks and patents
                                                      1,075,000    6,283,000                              
        technology
                                                      37,825,000    36,479,000                              
        covenant-not-to-compete
                                                      1,056,000    1,042,000                              
        customer relationships
                                                      21,280,000    20,529,000                              
        total other intangible assets
                                                      61,236,000    64,333,000                              
        december 31, 2012
                                                      23,973,000    23,973,000                              
        foreign currency translation adjustment
                                                      232,000    1,376,000                              
        december 31, 2013
                                                      24,205,000                                  
        noncurrent assets
                                                      10,303,000    13,629,000                              
        shareholders' equity
                                                      36,393,000    42,342,000                              
        restricted cash
                                                           929,000                             
        assets of discontinued operations
                                                         140,000                               
        liabilities of discontinued operations
                                                                                        
        capital stock - 1 par value; 50,000,000 authorized shares; 17,715,820 and 16,904,441 shares outstanding
                                                       17,716,000                                 
        capital stock - 1 par value; 50,000,000 authorized shares; 17,242,257 and 16,904,441 shares outstanding
                                                        17,242,000                                
        capital stock - 1 par value; 50,000,000 authorized shares; 17,070,133 and 16,904,441 shares outstanding
                                                         17,070,000                               
        december 31, 2011
                                                          22,597,000                              
        goodwill and other intangibles
                                                           155,828,000 153,835,000 160,817,000  170,603,000 185,068,000 182,603,000 35,984,000 32,555,000 32,463,000 33,780,000 10,340,000 10,353,000 10,361,000 9,634,000 9,634,000 10,131,000 10,131,000 10,131,000 10,131,000          
        long-term marketable securities
                                                               26,031,000 26,773,000 33,575,000 33,592,000 34,190,000 35,984,000 38,490,000 37,908,000 38,648,000 42,374,000 41,313,000 42,945,000 48,582,000 50,434,000 53,261,000           
        capital stock - 1 par value; 50,000,000 authorized shares; 16,570,069 and 16,220,648 shares outstanding
                                                           16,570,000                             
        capital stock - 1 par value; 50,000,000 authorized shares; 16,395,739 and
                                                                                        
        16,220,648 shares outstanding
                                                            16,396,000 16,268,000                           
        capital stock - 1 par value; 50,000,000 authorized shares; 16,268,268 and
                                                                                        
        additional paid‑in capital
                                                             54,075,000                           
        sales and income from continuing operations
                                                                                        
        net sales
                                                              553,150,000,000                         356,112,000 
        income before income taxes
                                                              55,088,000,000                         11,786,000 
        income
                                                              43,806,000,000                          
        per share data from continuing operations
                                                                                        
        basic
                                                              2,730,000                         1,010 
        diluted
                                                              2,620,000                         980 
        book value
                                                              20,850,000                         17,240 
        financial position from continuing operations
                                                                                        
        ratio of current assets to current liabilities
                                                              3,400,000                         3,200 
        cash, cash equivalents and short-term investments
                                                              79,728,000,000                         46,401,000 
        working capital
                                                              186,938,000,000                         123,664,000 
        property, plant and equipment
                                                              148,182,000,000                         131,616,000 
        long-term debt and lease obligation less current maturities
                                                              122,610,000,000                          
        long-term debt as a percentage of shareholders’ equity
                                                              36,000,000                          
        other data
                                                                                        
        depreciation and amortization from continuing operations
                                                              26,308,000,000                          
        research and development expenses from continuing operations
                                                              21,617,000,000                          
        capital expenditures from continuing operations
                                                              21,316,000,000                          
        number of employees
                                                              2,566,000,000                         1,975,000 
        net sales per employee
                                                              216,000,000                         180,000 
        number of shares outstanding at year end
                                                              16,220,648,000,000                          
        short-term investments
                                                                3,704,000  186,000  43,000 167,000 399,000 1,001,000  942,000 455,000 4,292,000 2,262,000  53,300,000 31,500,000 37,850,000 37,730,000 68,185,000 43,718,000  7,281,000   
        other current liabilities
                                                               15,452,000 13,625,000 11,380,000 12,362,000 7,783,000 8,030,000 8,473,000 9,163,000 9,721,000 9,753,000 9,026,000 18,889,000 12,438,000 14,423,000 16,498,000 20,539,000    14,892,000      
        capital stock - 1 par value; 50,000,000 authorized shares; 16,168,392 and 15,841,341 shares outstanding
                                                               16,168,000                         
        capital stock - 1 par value; 50,000,000 authorized shares; 16,044,317 and 15,841,341 shares outstanding
                                                                16,044,000                        
        capital stock - 1 par value; 50,000,000 authorized shares; 15,955,395 and 15,841,341 shares issued and outstanding
                                                                 15,955,000                       
        capital stock - 1 par value; 50,000,000 authorized shares; 15,841,341 and 15,743,491 shares outstanding
                                                                  15,841,000                      
        capital stock - 1 par value; 50,000,000 authorized shares; 15,819,511 and 15,743,491 shares issued and outstanding
                                                                   15,820,000                     
        capital stock - 1 par value; 50,000,000 authorized shares; 15,805,985 and 15,743,491 shares issued and outstanding
                                                                    15,806,000                    
        capital stock - 1 par value; 50,000,000 authorized shares; 15,777,098 and 15,743,491 shares issued and outstanding
                                                                     15,777,000                   
        capital stock - 1 par value; 50,000,000 authorized shares; 15,743,491 and 15,654,123 shares issued and outstanding
                                                                      15,743,000                  
        capital stock - 1 par value; 50,000,000 authorized shares; 15,739,778 and 15,654,123 shares issued and outstanding
                                                                       15,740,000                 
        capital stock - 1 par value; 50,000,000 authorized shares; 15,681,561 and 15,654,123 shares issued and outstanding
                                                                        15,682,000                
        income taxes receivable
                                                                         1,572,000               
        capital stock - 1 par value; 50,000,000 authorized shares; 15,656,897 and 15,654,123 shares issued and outstanding
                                                                         15,657,000               
        capital stock - 1 par value; 50,000,000 authorized shares; 15,654,123 and 16,414,918 shares issued and outstanding
                                                                          15,654,000              
        capital stock - 1 par value; 50,000,000 authorized shares; 15,629,888 and 16,414,918 shares issued and outstanding
                                                                           15,630,000             
        capital stock - 1 par value; 50,000,000 authorized shares; 15,574,035 and 16,414,918 shares issued and outstanding
                                                                            15,574,000            
        capital stock - 1 par value; 50,000,000 authorized shares; 15,536,881 and 16,414,918 shares issued and outstanding
                                                                             15,537,000           
        note receivable, current
                                                                                  2,100,000   2,100,000 2,100,000  
        capital stock - 1 par value; 50,000,000 authorized shares; 16,414,918 and 16,937,523 shares issued and outstanding
                                                                              16,415,000          
        note receivable
                                                                               2,100,000 2,100,000 2,100,000  2,100,000 2,100,000    
        other assets
                                                                               4,939,000 5,806,000 6,221,000  6,230,000 4,547,000 6,094,000 5,654,000  
        other liabilities
                                                                               1,117,000 1,068,000 997,000       
        capital stock - 1 par value; 50,000,000 authorized shares; 16,405,053 and 16,937,523 shares issued and outstanding
                                                                               16,405,000         
        capital stock - 1 par value; 50,000,000 authorized shares; 16,503,389 and 16,937,523 shares issued and outstanding
                                                                                16,503,000        
        capital stock - 1 par value; 50,000,000 authorized shares; 16,685,568 and 16,937,523 shares issued and outstanding
                                                                                 16,686,000       
        notes receivable
                                                                                     2,100,000 2,100,000  
        capital stock - 1 par value; 50,000,000 authorized shares; 16,937,523 and 16,255,024 shares issued and outstanding
                                                                                  16,938,000      
        current deferred income taxes
                                                                                   14,477,000 11,356,000 10,976,000 10,823,000  
        capital stock - 1 par value; 50,000,000 authorized shares; 17,616,928 and 16,255,024 shares issued and outstanding
                                                                                   17,617,000     
        capital stock - 1 par value; 50,000,000 authorized shares; 16,797,470 and 16,255,024 shares issued and outstanding
                                                                                    16,798,000    
        asbestos-related insurance receivables, noncurrent
                                                                                     30,581,000 30,581,000  
        capital stock - 1 par value; 50,000,000 authorized shares; 16,610,740 and 16,255,024 shares issued and outstanding
                                                                                     16,611,000   
        capital stock - 1 par value; 50,000,000 authorized shares; 16,255,024 and 16,437,790 shares issued and outstanding
                                                                                      16,255,000  
        sales and income
                                                                                        
        net income
                                                                                       16,440,000 
        per share data
                                                                                        
        financial position
                                                                                        
        long-term debt less current maturities
                                                                                        
        depreciation and amortization
                                                                                       16,853,000 
        research and development expenses
                                                                                       19,959,000 
        capital expenditures
                                                                                       28,613,000 
        number of shares outstanding at year-end
                                                                                       16,255,024,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-28 2008-06-29 2008-03-30 2007-12-30 2007-09-30 2007-07-01 2007-04-01 2006-12-31 2006-10-01 2006-07-02 2006-04-02 
                                                                                        
          operating activities:
                                                                                        
          net income
        4,600,000 8,600,000 -73,600,000 -1,400,000 -500,000 10,700,000 8,100,000 7,800,000 23,206,000 19,035,000 17,864,000 -3,505,000 67,308,000 14,838,000 17,883,000 16,600,000 23,131,000 25,129,000 28,655,000 31,218,000 15,205,000 7,006,000 14,520,000 13,259,000 -28,760,000 23,387,000 24,293,000 28,399,000 24,452,000 19,734,000 17,329,000 26,136,000 6,999,000 25,532,000 20,896,000 27,032,000 11,913,000 16,065,000 5,377,000 14,928,000 6,699,000 12,454,000 13,540,000 13,627,000 7,013,000 20,388,000 10,902,000 14,580,000 11,527,000 13,572,000 5,566,000 7,096,000 5,063,000 58,976,000 6,454,000 -1,808,000 1,136,000 14,356,000 12,129,000 9,434,000 10,548,000 8,856,000 8,313,000 6,854,000 7,050,000 6,331,000 -67,533,000 -8,718,000 3,854,000 7,945,000 6,896,000 7,820,000 7,993,000 8,950,000 -4,330,000 9,511,000 12,673,000 17,178,000 3,998,000 12,607,000 
          adjustments to reconcile net income to cash from operating activities:
                                                                                        
          depreciation and amortization
        14,600,000 13,200,000 13,900,000 12,600,000 13,100,000 12,700,000 12,300,000 11,300,000 11,277,000 11,447,000 13,723,000 14,653,000 11,527,000 11,372,000 12,256,000 10,724,000 12,163,000 10,124,000 10,672,000 10,325,000 22,863,000 22,704,000 14,932,000 10,926,000 11,986,000 12,077,000 12,115,000 12,984,000 14,753,000 13,236,000 10,975,000 11,109,000 11,420,000 11,143,000 10,989,000 10,547,000 10,212,000 9,323,000 9,339,000 8,973,000 8,845,000 8,705,000 8,531,000 7,973,000 6,410,000 6,693,000 6,696,000 6,469,000 6,734,000 6,590,000 6,456,000 6,571,000 6,475,000 7,094,000 7,052,000 6,509,000 6,170,000 6,948,000 6,990,000 6,200,000 4,177,000 4,066,000 4,072,000 3,796,000 4,394,000 4,454,000 4,719,000 4,394,000 4,154,000 4,461,000 4,891,000 4,891,000 7,561,000 6,000,000 6,805,000 5,352,000 5,313,000 4,849,000 4,020,000 5,347,000 
          equity compensation expense
        2,200,000 800,000 4,300,000 3,600,000 2,900,000 3,400,000 5,300,000 3,500,000 3,426,000 3,802,000 5,019,000 2,053,000 220,000 3,520,000 4,854,000 3,202,000 3,847,000 4,753,000 4,388,000 4,006,000 3,215,000 3,295,000 3,895,000 3,127,000 3,011,000 3,151,000 3,667,000 2,476,000 2,687,000 2,722,000 3,141,000 2,673,000                                                 
          deferred income taxes
        -1,500,000 -1,600,000 1,000,000 -4,600,000 -9,900,000 1,200,000 -2,700,000 -5,900,000 4,697,000 620,000 -1,561,000 -7,356,000 -6,480,000 -5,348,000 -6,715,000 -2,013,000 -1,928,000 -5,148,000 2,311,000 1,570,000 -3,419,000 -1,011,000 -8,125,000 -851,000 -11,984,000 -3,029,000 -31,000 -2,505,000 -3,308,000 -3,896,000 2,537,000 1,342,000 7,061,000 5,639,000 1,297,000 3,516,000 -2,212,000 769,000 7,812,000 1,013,000 1,163,000 2,949,000 -1,720,000 1,276,000 7,636,000 -2,946,000 3,445,000 15,000 3,367,000 2,782,000 -796,000 281,000 -3,923,000 -53,280,000 1,084,000 -2,134,000 -3,675,000 -1,198,000 218,000 1,930,000 -11,109,000 1,946,000 238,000 544,000 -4,582,000 -785,000 49,275,000 -484,000 -1,550,000 120,000 -2,203,000 -1,505,000 -358,000 -2,967,000 1,372,000 -3,507,000    -153,000 
          equity in undistributed income of unconsolidated joint ventures
            -200,000 -400,000 -500,000 -300,000 -241,000 -641,000 -842,000 -76,000 -200,000 -1,162,000 -1,800,000 -1,275,000 -1,148,000 -1,773,000 -1,930,000 -2,181,000 -1,700,000 -937,000 -1,022,000 -1,218,000 -1,242,000 -1,498,000 -1,742,000 -837,000 -1,048,000 -1,642,000 -1,804,000 -1,007,000 -1,539,000 -1,383,000 -967,000 -1,009,000  -899,000 -708,000 -613,000  -876,000 -392,000 -919,000  -953,000 -1,062,000 -977,000 -1,281,000 -1,754,000 -762,000 -529,000 -1,008,000 -1,773,000 -1,305,000 -657,000 -1,410,000 -1,290,000 -1,323,000 -1,428,000 -2,310,000 -2,373,000   -1,968,000 -2,287,000   -1,091,000 -2,535,000 -1,517,000 -1,093,000 -3,235,000 -2,110,000 -1,474,000 -1,268,000 -2,592,000 -1,437,000 -1,645,000 -2,889,000 
          dividends received from unconsolidated joint ventures
            1,300,000 1,200,000 46,000 2,797,000 1,457,000 3,168,000 1,509,000 3,211,000 1,754,000 5,290,000 1,785,000 3,634,000 1,741,000 2,622,000 1,809,000 2,913,000 616,000 2,331,000   2,683,000 780,000 2,944,000 905,000 3,174,000 1,988,000 3,624,000 2,929,000 4,875,000 2,762,000 3,145,000 -919,000 8,103,000 124,000 2,545,000 2,719,000 3,435,000 1,542,000 1,300,000 2,557,000 2,113,000 1,138,000 445,000 1,920,000 202,000 784,000 
          gain on jv separation agreement transactions
                                                                                        
          gain on sale of business
                4,000                                                                        
          loss on sale or disposal of property, plant and equipment
                -1,921,000 -193,000 -504,000 18,000 475,000 3,000 -3,000 -15,000 -207,000 9,000 -593,000 -89,000 -8,000 -4,000 33,000 20,000 478,000 2,000 3,000 273,000                                                     
          impairment charges
        1,900,000           64,873,000   70,000    253,000    581,000                                       4,499,000 60,000           
          other non-cash charges
        -1,400,000 800,000   2,000,000 400,000 100,000                                                                         
          changes in assets and liabilities:
                                                                                        
          accounts receivable
        14,700,000 -3,800,000 1,800,000 -1,900,000 17,500,000 5,800,000 -1,500,000 -2,800,000 6,731,000 -6,083,000 -14,014,000 2,566,000 -8,492,000 3,357,000 -12,732,000 -14,384,000 6,057,000 -7,645,000 -13,212,000 -11,397,000 5,768,000 -8,079,000 16,358,000 -22,981,000 17,009,000 16,415,000 4,201,000 -16,948,000 10,188,000 -4,566,000 -1,624,000 -7,822,000 -1,287,000 448,000 -781,000 -12,439,000 -3,689,000 -623,000 -2,036,000 -6,657,000 6,870,000 215,000           7,914,000 -6,907,000 -3,696,000 356,000 12,773,000 -5,785,000 -3,458,000 -8,601,000 1,326,000 -3,670,000 -6,310,000 -7,046,000 1,436,000 -6,454,000 -1,150,000 1,833,000 19,648,000 -6,372,000 11,441,000 4,795,000 2,158,000 -12,029,000 19,591,000 3,452,000 8,560,000 -18,748,000 -5,932,000 -6,859,000 
          proceeds from insurance related to operations
            4,100,000                         106,000 346,000 480,000                                             
          contract assets
        -1,100,000 -1,400,000 800,000 -600,000 3,200,000 4,500,000 8,400,000 4,100,000 2,735,000 -5,198,000 4,497,000 -7,934,000 5,425,000 -5,356,000 -843,000 -3,121,000 -3,899,000 -2,426,000 651,000 -4,361,000 -4,514,000 -2,780,000 898,000 2,276,000 1,615,000 1,503,000 1,743,000 -4,588,000 -2,468,000 1,673,000 107,000 -22,040,000                                                 
          inventories
        17,900,000 8,300,000 -4,100,000 1,300,000 7,800,000 -1,200,000 -400,000 1,300,000 5,873,000 10,859,000 7,635,000 3,933,000 -4,110,000 -5,798,000 -21,767,000 -19,935,000 -15,027,000 -8,859,000 -3,633,000 -6,894,000 9,679,000 17,098,000 3,815,000 4,095,000 6,588,000 -4,943,000 -1,295,000 -1,550,000 -7,173,000 -5,351,000 -12,302,000 5,813,000 2,365,000 -10,109,000 -5,695,000 -769,000 3,153,000 5,920,000 1,637,000 -1,021,000 1,147,000 -1,273,000 -3,818,000 -6,664,000 -4,766,000 -3,929,000 829,000 2,626,000 -687,000 1,934,000 3,112,000 2,829,000 -2,399,000 5,254,000 5,470,000 -2,452,000 2,966,000 -11,444,000 -6,550,000 -5,615,000 -1,182,000 -695,000 -6,411,000 -2,477,000 786,000 3,094,000 756,000 5,363,000 2,030,000 1,399,000 -477,000 4,442,000 8,561,000 9,419,000 3,252,000 -1,020,000 -7,563,000 -7,605,000 -2,133,000 -8,428,000 
          other current assets
        3,100,000 2,500,000 -4,200,000 -400,000 4,100,000 4,100,000 -5,800,000 400,000 2,125,000 3,528,000 -6,898,000 5,445,000 -1,376,000 1,043,000 5,137,000 -11,099,000 1,867,000 3,623,000 2,365,000 -6,132,000 -2,093,000 1,462,000 1,972,000 -1,558,000 -2,160,000 1,852,000 1,394,000 -2,605,000 -794,000 1,445,000 139,000 -1,438,000 707,000 708,000 2,072,000 -4,063,000 1,706,000 2,283,000 -435,000 -1,621,000 -1,465,000 2,767,000 851,000 -3,431,000 1,261,000 924,000 -745,000 -377,000 605,000 -1,409,000 933,000 510,000 -351,000 2,185,000 -385,000 -2,946,000 3,246,000 -1,225,000 -239,000 -2,968,000 361,000 -471,000 -572,000 -1,034,000 1,059,000 -81,000 360,000 -1,015,000 -704,000 1,644,000 128,000 486,000 1,458,000 922,000 428,000 -2,797,000 180,000 979,000 -1,367,000 -388,000 
          accounts payable and other accrued expenses
        -3,800,000 -1,600,000 2,000,000 4,200,000 -2,000,000 3,100,000 900,000 2,000,000 -6,395,000 -2,851,000 -8,588,000 -8,766,000 3,383,000 -10,107,000 2,833,000 -4,809,000 9,193,000 12,948,000 -3,420,000 17,967,000 4,848,000 11,365,000 -5,396,000 -733,000 -6,587,000 -6,205,000 3,980,000 -327,000 -3,532,000 9,481,000 -785,000 -13,050,000 -984,000 6,112,000 8,654,000 -1,441,000 6,347,000 2,540,000 4,278,000 8,307,000 -5,595,000 -1,620,000 -14,769,000 4,352,000 -2,334,000 13,557,000 2,952,000 2,463,000 2,931,000 4,526,000 -576,000 2,139,000 3,111,000 861,000 -4,808,000 -2,625,000 -14,182,000 9,142,000 709,000 -22,886,000  344,000 2,231,000 4,687,000  302,000 7,405,000 -21,551,000  -572,000 -3,277,000 -4,550,000  547,000    14,483,000   
          other
        -4,300,000 3,100,000 -400,000 -1,100,000 -4,600,000 -3,200,000 -1,200,000 1,300,000 140,000 509,000 -1,009,000 -1,240,000 -4,879,000 2,944,000 2,601,000 10,495,000 -16,336,000 4,968,000 3,355,000 135,000 1,698,000 3,089,000 4,813,000 472,000 937,000 1,262,000 1,237,000 885,000 -2,225,000 -71,000 -3,068,000 6,355,000 4,929,000 -747,000 961,000 742,000 -7,887,000 5,393,000 -3,559,000 1,651,000 2,295,000 -2,136,000 2,709,000 243,000 -921,000 776,000 1,727,000 -470,000 -10,585,000 608,000 221,000 950,000 3,522,000 18,000 713,000 619,000 2,521,000 -4,217,000 979,000 -212,000 7,406,000 -1,011,000 433,000 -665,000 1,350,000 251,000 26,000 -351,000 1,425,000 -175,000 3,697,000 -365,000 496,000 630,000 -487,000 -307,000 2,180,000 -4,513,000 622,000 501,000 
          net cash from operating activities
        46,900,000 28,900,000 13,700,000 11,700,000 33,700,000 42,400,000 22,900,000 28,100,000 71,878,000 41,981,000 15,706,000 1,835,000 127,627,000 13,510,000 2,047,000 -13,723,000 18,248,000 39,909,000 29,685,000 36,521,000 51,383,000 58,714,000 46,326,000 8,633,000 45,651,000 48,171,000 50,441,000 17,060,000 33,396,000 10,606,000 14,050,000 8,768,000 39,131,000 35,362,000 41,255,000 23,234,000 22,744,000 42,919,000 25,117,000 26,187,000 28,361,000 23,148,000 9,504,000 12,909,000 27,740,000 27,794,000 11,889,000 17,784,000 32,911,000 14,536,000 10,618,000 19,950,000 24,517,000    19,605,000 3,617,000 13,591,000 -19,952,000 24,666,000 5,982,000 2,529,000 12,590,000 15,942,000 6,336,000 2,894,000 -22,558,000 20,975,000 6,456,000 24,368,000 17,482,000 37,705,000 10,577,000 20,225,000 -593,000 11,260,000 3,233,000 11,460,000 7,941,000 
          investing activities:
                                                                                        
          capital expenditures
        -4,700,000 -7,700,000 -8,100,000 -9,600,000 -15,400,000 -17,200,000 -14,100,000 -9,400,000 -22,461,000 -6,658,000 -11,471,000 -16,410,000 -29,788,000 -33,795,000 -24,956,000 -28,249,000 -27,714,000 -21,996,000 -17,813,000 -3,602,000 -11,441,000 -10,794,000 -6,990,000 -11,160,000 -12,770,000 -14,801,000 -11,379,000 -12,647,000 -10,558,000 -16,380,000 -11,055,000 -9,122,000 -9,537,000 -7,982,000 -4,426,000 -5,270,000 -3,210,000 -4,934,000 -5,179,000 -4,813,000 -3,263,000 -7,300,000 -5,788,000 -8,486,000 -9,967,000 -8,451,000 -8,104,000 -2,233,000 -3,310,000 -3,012,000 -2,831,000 -7,706,000 -7,309,000    -8,838,000 -4,472,000 -3,945,000 -4,061,000 -5,842,000 -3,647,000 -1,804,000 -1,314,000 -2,862,000 -2,740,000 -3,618,000 -2,867,000 -6,586,000 -5,323,000 -6,133,000 -2,962,000 -10,898,000 -3,362,000 -9,010,000 -7,719,000 -9,576,000 -7,809,000 -3,322,000 -2,367,000 
          free cash flows
        42,200,000 21,200,000 5,600,000 2,100,000 18,300,000 25,200,000 8,800,000 18,700,000 49,417,000 35,323,000 4,235,000 -14,575,000 97,839,000 -20,285,000 -22,909,000 -41,972,000 -9,466,000 17,913,000 11,872,000 32,919,000 39,942,000 47,920,000 39,336,000 -2,527,000 32,881,000 33,370,000 39,062,000 4,413,000 22,838,000 -5,774,000 2,995,000 -354,000 29,594,000 27,380,000 36,829,000 17,964,000 19,534,000 37,985,000 19,938,000 21,374,000 25,098,000 15,848,000 3,716,000 4,423,000 17,773,000 19,343,000 3,785,000 15,551,000 29,601,000 11,524,000 7,787,000 12,244,000 17,208,000    10,767,000 -855,000 9,646,000 -24,013,000 18,824,000 2,335,000 725,000 11,276,000 13,080,000 3,596,000 -724,000 -25,425,000 14,389,000 1,133,000 18,235,000 14,520,000 26,807,000 7,215,000 11,215,000 -8,312,000 1,684,000 -4,576,000 8,138,000 5,574,000 
          disposition of business
                7,000 704,000 989,000                                                                     
          net cash from jv separation agreement transactions
                                                                                        
          proceeds from the sale of marketable equity securities
        300,000 800,000 200,000                                                                             
          purchases of marketable equity securities
        -100,000 -100,000                                                                             
          proceeds from the sale of property, plant and equipment
        800,000 13,400,000     4,855,000 195,000             2,000 7,000 54,000   -35,000 6,489,000 38,000 1,603,000         -33,000 9,000 72,000 21,000 -97,000 29,000 1,000 74,000 825,000   1,600,000                       
          proceeds from insurance claims
                45,000   4,990,000 2,262,000                                                                 
          net cash from investing activities
        -3,600,000 -7,800,000 -7,300,000 3,900,000 -4,900,000 -17,200,000 -14,100,000 -9,400,000 -17,554,000 -5,759,000 -9,166,000 -15,421,000 -32,069,000 -28,805,000 -26,256,000 -25,987,000 -195,918,000 -21,996,000 -17,099,000 -3,602,000 -11,441,000 -10,794,000 -6,990,000 -11,160,000 -12,770,000 -14,801,000 -11,377,000 -10,015,000 -9,902,000 -138,385,000 -10,028,000 -9,122,000 -9,571,000 -1,375,000 -3,916,000 -63,408,000 -136,878,000 -4,934,000 -5,179,000 -4,813,000 -2,990,000 -7,256,000 -5,787,000 -164,264,000            18,157,000 -7,691,000 -372,000 -245,000 -137,686,000 3,580,000 -1,247,000 1,765,000 -26,622,000 -1,312,000 -4,665,000 -9,643,000 -2,267,000 8,333,000 -5,323,000 -6,133,000 -4,062,000 -33,698,000 2,981,000 -9,141,000 22,754,000 -34,225,000 -27,195,000 3,839,000 -9,528,000 
          financing activities:
                                                                                        
          repayment of debt principal and finance lease obligations
        -100,000 -400,000 -400,000 -400,000 -100,000 -100,000 -100,000 -30,100,000 -50,072,000 -50,093,000 -60,117,000 -25,118,000 -75,069,000 -59,000 3,000 -146,000 31,000 -3,000 -8,399,000 -21,253,000 -35,031,000 -163,106,000 -50,097,000 -96,000 -7,592,000 -65,098,000 -28,098,000 -5,098,000                                                     
          line of credit issuance costs
                42,000 -1,742,000                                                                     
          payments of taxes related to net share settlement of equity awards
        -200,000 -1,200,000 -100,000 -100,000 -100,000 -1,100,000 -658,000 -29,000 -7,000 -2,506,000 -32,000 -128,000 -125,000 -10,498,000 -129,000 -68,000 -52,000 -2,632,000 -250,000 -78,000 -32,000 -4,997,000 -241,000 115,000 -284,000 -7,140,000 -108,000 -65,000 -20,000 -6,407,000                                                 
          proceeds from issuance of shares to employee stock purchase plan
        500,000   600,000       950,000 -1,000 859,000 704,000 -13,000 709,000 664,000 655,000 7,000 587,000 524,000 17,000 541,000 473,000 422,000 431,000 427,000 382,000 345,000 -1,000 360,000 -1,000 335,000 1,000 343,000 390,000 396,000 1,000 412,000 1,000 360,000 396,000 -1,000 307,000 380,000    567,000 490,000 561,000 -1,000 521,000 381,000  481,000 473,000 
          share repurchases
        -14,300,000 -10,000,000   -11,900,000 -7,600,000 -300,000                                                                         
          net cash from financing activities
        -13,900,000 -10,400,000 -28,000,000 -1,600,000 -11,500,000 -200,000 -6,900,000 -31,500,000 -50,688,000 -50,122,000 -60,124,000 -29,366,000 -100,101,000 29,813,000 69,878,000 -9,694,000 189,901,000 788,000 -8,451,000 -23,181,000 -37,156,000 -162,475,000 -50,129,000 145,571,000 -7,833,000 -64,311,000 -28,333,000 -11,366,000 -5,097,000 102,240,000 80,000 -8,541,000 591,000 -62,141,000 -49,136,000 -2,501,000 166,816,000 -104,718,000 -1,291,000 -2,938,000 -7,659,000 -33,701,000 1,075,000 123,312,000            -976,000 -3,186,000 -1,955,000 -7,836,000 141,244,000 669,000 312,000 115,000 380,000 37,000 934,000 424,000 -35,000 -987,000 3,091,000 566,000 -29,285,000 -1,642,000 -5,210,000 -7,966,000 -12,765,000 1,720,000 2,920,000 6,162,000 12,732,000 
          effect of exchange rate fluctuations on cash
        -200,000 -100,000 3,200,000 1,800,000 -3,900,000 1,500,000 1,100,000 -2,000,000 1,559,000 -1,097,000 1,312,000 826,000 3,932,000 -3,389,000 -2,481,000 -748,000 -836,000 -1,745,000 701,000 -2,414,000 2,876,000 1,936,000 1,258,000 -1,616,000 1,054,000 -1,380,000 263,000 -1,343,000 -215,000 395,000 -2,421,000 755,000 15,000 1,835,000 2,998,000 1,019,000 1,569,000 -7,148,000 -453,000 6,181,000 -5,732,000 653,000 5,112,000 -9,474,000 -8,220,000 -6,724,000 -760,000 2,641,000 1,462,000 3,766,000 914,000 -814,000 4,526,000 -273,000 -704,000 -1,366,000 -148,000 -1,789,000 2,000 2,394,000 -2,021,000 3,476,000 -2,452,000 -1,325,000 765,000 1,295,000 175,000 -754,000 -2,565,000 -1,044,000 459,000 1,511,000 -594,000 -17,000 30,000 44,000 1,152,000 43,000 -245,000 368,000 
          net increase in cash and cash equivalents
        29,200,000   15,800,000 13,400,000    5,195,000    -611,000 11,129,000 43,188,000 -50,152,000 11,395,000 16,956,000 4,836,000 7,324,000  -112,619,000 -9,535,000 141,428,000           -8,799,000 -41,656,000 54,251,000 -73,881,000 18,194,000 24,617,000 11,980,000 -17,156,000 9,904,000 -37,517,000 9,402,000 9,281,000 2,234,000 24,574,000 33,276,000 21,593,000 10,601,000 11,551,000 23,762,000 -4,685,000 2,269,000 13,789,000         15,432,000 3,900,000   25,756,000 3,180,000 19,260,000 -14,354,000 1,771,000 8,331,000 3,148,000 9,440,000 -20,093,000 -20,999,000 21,216,000 11,513,000 
          cash and cash equivalents at beginning of period
        159,800,000 131,700,000 50,000 235,850,000 232,296,000 191,785,000 166,849,000 167,738,000 181,159,000  227,767,000  204,586,000                                         
          cash and cash equivalents at end of period
        29,200,000 10,600,000 -18,400,000 175,600,000 13,400,000 26,500,000 3,000,000 116,900,000 5,245,000 -14,997,000 -52,272,000 193,724,000 -611,000 11,129,000 43,188,000 182,144,000 11,395,000 16,956,000 4,836,000 199,109,000 5,662,000 -112,619,000 -9,535,000 308,277,000 26,102,000 -32,321,000 10,994,000 162,074,000 18,182,000 -25,144,000 1,681,000 173,019,000  -26,319,000 -8,799,000 186,111,000  -73,881,000 18,194,000 229,203,000                                         
          supplemental disclosures:
                                                                                        
          accrued capital additions
        -200,000 -1,600,000 5,500,000 3,100,000 1,000,000 -1,100,000 5,400,000 3,407,000 1,330,000 -901,000 2,064,000 -2,655,000 -4,197,000 -494,000 14,021,000 4,456,000 -956,000 4,589,000 2,814,000 -778,000 -2,651,000 1,619,000 2,525,000 1,421,000 -120,000 51,000 2,068,000                                                     
          cash paid during the year for:
                                                                                        
          interest, net of amounts capitalized
        300,000 300,000 300,000 300,000 300,000 900,000 500,000 1,549,000 2,159,000 3,145,000 3,547,000 4,210,000 2,941,000 1,482,000 1,068,000 1,117,000 321,000 357,000 607,000 2,950,000 990,000 1,925,000 1,386,000 1,313,000 2,009,000 2,279,000 2,161,000 2,378,000 2,031,000 1,302,000 1,329,000                                                 
          income taxes, net of refunds
        4,000,000 3,400,000 5,700,000 7,700,000 8,600,000 3,700,000 4,100,000 3,100,000                                                                         
          net decrease in cash and cash equivalents
              3,000,000 -14,800,000   -52,272,000 -42,126,000             26,102,000   -5,664,000  -25,144,000 1,681,000 -8,140,000                          -499,000 5,512,000 -14,000,000  8,523,000 1,957,000 -14,977,000    -25,614,000             
          acquisition of business, net of cash received
                    -2,281,000               602,000                            -139,825,000                     
          proceeds from borrowings under revolving credit facility
                    30,000,000       150,000,000                                                         
          utis fire fixed asset and inventory write-offs
                    1,000 -1,000 -1,000 201,000 693,000 43,000 40,000 1,171,000                                                             
          other non-cash charges (benefits)
                                                                                        
          pension and other postretirement benefits
                    -2,000 -6,000 29,000 -171,000 -110,000 -111,000 -79,000 -11,000 -49,000 -50,000 -50,000 -440,000 -157,000 -172,000 -174,000                                                     
          provision for credit losses
                 190,000 -156,000 90,000 -123,000 242,000 231,000 -142,000 31,000 32,000 3,000 -345,000                                                             
          proceeds from insurance/government subsidies related to operations
                 4,662,000 543,000 500,000 819,000 334,000 136,000 116,000                                                               
          pension and postretirement benefit contributions
                 -3,000 -3,000 -3,000 47,000 -24,000 -93,000 -24,000 -4,000 -5,000 -4,000 -147,000 -5,000 -4,000 -180,000 -64,000 -87,000 -5,000 -5,000 -6,000 -7,000 -25,009,000 -10,000 -328,000                                                 
          income taxes
                 711,000 1,548,000 4,002,000 41,155,000 6,191,000 5,826,000 7,600,000 7,921,000 7,831,000 8,699,000 9,337,000 8,338,000 6,001,000 2,426,000 13,218,000 1,575,000 6,854,000 7,150,000 2,014,000 5,804,000 9,317,000 8,395,000 5,645,000                                                 
          pension settlement charges
                                                                                       
          asbestos-related provision
                                                                                        
          return of capital from unconsolidated joint ventures
                                2,625,000                                                     
          proceeds from the exercise of stock options
                                17,000 42,000 285,000 127,000 36,000 225,000 473,000  21,000 1,140,000 765,000                                            
          pension settlement benefits
                                                                                       
          asbestos-related charges
                                1,653,000                                                       
          isola asset acquisition
                                                                                       
          provision for doubtful accounts
                             -117,000 -74,000 128,000 421,000    500,000                                                    
          benefit for doubtful accounts
                                  30,000 -158,000                                                     
          repayment of debt principal and capital lease obligations
                                    -5,116,000 -755,000                                                   
          assets obtained under leasing arrangements
                                                                                        
          pension and postretirement benefits
                                     -397,000 -398,000 -398,000 -384,000 -383,000 -429,000 -365,000 -701,000 -717,000 -702,000 -702,000 -654,000 -269,000 -295,000 -294,000 4,233,000 -777,000 -838,000 -642,000 -228,000 -150,000 3,062,000 2,434,000 2,430,000 4,431,000 1,782,000 4,936,000 1,391,000 1,541,000 1,485,000 1,485,000 1,367,000 1,350,000 1,448,000 1,673,000             1,746,000 -1,687,000 -10,000 -1,780,000 
          realized loss from sale of property, plant and equipment
                                     222,000                                                   
          impairment of assets/investments
                                                                                        
          changes in operating assets and liabilities, excluding effects of acquisitions:
                                                                                        
          proceeds from long-term borrowings
                                                                                        
          repurchases of capital stock
                                     -2,999,000     -3,998,000 -2,000,000 -1,997,000 -6,997,000                                        
          bad debt expense
                                      196,000 -386,000 114,000 -614,000 -323,000 384,000                                             
          loss from the sale of property, plant and equipment
                                         -4,387,000 5,000 -947,000  204,000                                           
          repayment of long-term lease obligation
                                       -149,000                                                 
          cash paid during the quarter for:
                                                                                        
          gain on the sale of property, plant and equipment
                                                                                        
          loss from the disposal of property, plant and equipment
                                                                                        
          loss on disposition of a business
                                                                                        
          other investing activities
                                                                                        
          proceeds from the sale of a business
                                                                                        
          repayment of debt principal and long-term lease obligation
                                                                                        
          proceeds from sale of capital stock
                                               564,000  24,000 1,225,000 5,290,000  1,533,000 3,523,000 10,539,000 6,379,000 17,956,000 4,671,000 3,420,000 9,081,000 4,499,000 3,315,000 112,000 1,379,000 4,228,000 2,343,000 3,121,000 670,000 5,000   37,000 262,000 424,000 -35,000 -1,791,000 2,406,000 484,000 115,000 2,220,000 2,503,000 1,712,000 621,000 1,459,000 1,737,000 4,484,000 10,150,000 
          cash and cash equivalents at beginning of year
                                                  237,375,000 191,884,000 114,863,000 79,728,000 80,135,000 57,738,000 70,170,000 36,328,000 13,638,000 -24,400,000 46,401,000 
          cash and cash equivalents at end of year
                                                                                        
          stock-based compensation expense
                                         3,181,000 4,307,000 1,020,000 2,738,000 2,797,000 3,748,000 1,992,000 1,909,000 2,709,000 3,427,000 1,598,000 1,881,000 1,076,000 2,818,000 1,758,000 1,689,000 1,459,000 1,557,000 688,000 1,378,000 1,097,000 1,236,000 1,442,000 2,379,000 2,107,000 2,752,000 858,000 620,000 1,653,000 1,767,000 2,588,000 658,000 686,000 2,661,000 674,000 948,000 1,182,000 1,376,000 2,138,000 839,000 972,000 756,000 2,635,000 2,116,000 1,130,000 1,113,000 516,000 
          loss from long-term investments
                                                            3,245,000                         
          pension contribution
                                         -225,000 -77,000 -70,000 -568,000 -136,000 -75,000 -63,000 -1,237,000   -7,380,000 -6,500,000 -765,000 -751,000 -6,500,000 -6,500,000 -1,192,000 -6,326,000 -6,000,000 -10,000,000      -4,000,000 -1,478,000  -8,000,000             
          business acquisition
                                         -60,191,000                                             
          proceeds from insurance related to property, plant and equipment
                                         118,000 472,000 450,000                                             
          debt issuance costs
                                         -140,000 -1,029,000                                            
          repayment of debt principal and long term lease obligation
                                         -60,107,000 -50,091,000 -87,000 -1,180,000 -101,064,000 -759,000 -757,000 -755,000 -755,000 -66,000 -5,065,000 -5,086,000 -5,060,000 -3,825,000 -3,826,000 -3,835,000 -11,841,000 -2,772,000 -2,758,000 -8,277,000 -14,250,000                           
          issuance of shares upon vesting of restricted stock units
                                         -2,528,000 -45,000 -2,572,000                                             
          proceeds from long term borrowings
                                                125,000,000              145,000,000                     
          equity in income of unconsolidated joint ventures
                                                                                        
          changes in operating assets and liabilities excluding effects of acquisition and disposition of businesses:
                                                                                        
          proceeds from life insurance
                                                                                       
          proceeds from issuance of capital stock
                                                                                        
          issuance of restricted stock
                                                                                        
          business acquisition, net of cash acquired
                                                                                        
          issuance of restricted stock shares
                                             -87,000 -26,000 -1,175,000  -63,000 -84,000 -2,258,000  -180,000 -560,000 -687,000  -184,000 -1,005,000  -184,000                           
          income from discontinued operations
                                                                                        
          net cash from operating activities of continuing operations
                                                    27,740,000 27,794,000 11,889,000 17,784,000 32,911,000 14,536,000 10,496,000 19,224,000 24,845,000 11,221,000 6,327,000 -2,026,000         15,942,000 6,336,000 2,894,000 -22,558,000 23,756,000 6,456,000 24,368,000 17,482,000 37,925,000        
          net cash from operating activities of discontinued operations
                                                        122,000 726,000                     -220,000        
          accounts receivable, joint ventures
                                                 -486,000 -329,000 -333,000 1,232,000 -198,000 -488,000 412,000 550,000 -669,000 597,000 -233,000 685,000 -409,000 -691,000 -87,000 933,000 -318,000 -101,000 -816,000  -13,000 -4,000 -737,000  765,000 -2,686,000 2,380,000  737,000 1,460,000 -269,000  1,232,000    -788,000   
          proceeds (loss) from the sale of property, plant and equipment
                                                                                        
          gain from the sale of property, plant and equipment
                                                    33,000 -9,000 -72,000 -21,000 97,000 -29,000 -1,000 -74,000 -825,000   -900,000                       
          changes in operating assets and liabilities, excluding effects of acquisition of businesses:
                                                                                        
          acquisition of business, net of cash acquired
                                                  -155,778,000                                     
          cash and cash equivalents at end of quarter
                                                  9,904,000 199,858,000  9,281,000 2,234,000 216,458,000  21,593,000 10,601,000 126,414,000  -4,685,000 2,269,000 93,517,000  -499,000 5,512,000 66,135,000  8,523,000 1,957,000 42,761,000  3,900,000 -6,150,000 44,556,000  3,180,000 19,260,000 21,974,000  8,331,000 3,148,000 23,078,000  -45,399,000 21,216,000 57,914,000 
          accounts receivable, accounts receivable other and taxes receivable
                                                   -5,299,000  -6,808,000 -7,775,000 -8,192,000  -6,424,000 -8,891,000 1,194,000                             
          loss from discontinued operations
                                                                                       
          redemptions of long-term investments
                                                                                        
          net cash from investing activities of continuing operations
                                                    -9,834,000 -8,442,000 -8,032,000 -2,212,000 -3,534,000 -2,983,000 -2,830,000 -7,632,000 -6,484,000 -5,698,000           -1,312,000 -4,665,000       -33,698,000        
          net cash from investing activities of discontinued operations
                                                                                        
          net cash from financing activities of continuing operations
                                                    -284,000 -3,347,000 -863,000 6,361,000 2,437,000 6,274,000 1,899,000 47,000 1,203,000 -9,935,000                           
          amortization of inventory fair value
                                                                1,805,000                     
          payment of long term borrowings acquired through acquisition
                                                                 -293,000                       
          supplemental disclosure of noncash investing and financing activities
                                                                                        
          capital lease obligation acquired through acquisition
                                                                -600,000 -1,025,000                       
          impairment of assets
                                                            539,000                         
          proceeds from short-term investments
                                                                4,100,000 3,700,000 300,000  2,400,000 2,650,000 600,000  3,075,000 1,375,000 600,000  131,590,000         
          deferred purchase price for previous acquisition of business
                                                             -3,100,000                         
          loss (earnings) from discontinued operations
                                                          18,000 -120,000 341,000 108,000                         
          return of investment in unconsolidated joint ventures
                                                                                      
          proceeds from disposition of an unconsolidated joint venture
                                                                                        
          deferred purchase price for acquisition of business
                                                                                       
          changes in operating assets and liabilities excluding effects of
                                                                                        
          acquisition and disposition of businesses:
                                                                                        
          net cash from operating activites of discontinued operations
                                                                                        
          net cash from operating activites
                                                              6,327,000 -2,026,000                         
          proceeds from long-term investments
                                                               25,438,000                         
          repayment of debt principal and long term obligation
                                                               -1,500,000                         
          operating activities
                                                                                        
          gain on acquisition/disposal
                                                                                        
          pension and postretirement contribution
                                                                                        
          investing activities
                                                                                        
          investment activity, other
                                                                                       
          financing activities
                                                                                        
          repayment of debt principal
                                                                -6,250,000 -6,250,000                       
          repayment of long-term borrowings acquired through acquisition
                                                                                        
          gain from the sale of fixed assets
                                                                   -1,900,000                     
          proceeds from the sale of fixed assets
                                                                   5,900,000                     
          payments of long term borrowings acquired through acquisition
                                                                   -7,273,000                     
          gain on sale of discontinued operations
                                                                                        
          adjustments to reconcile net income to net cash from operating activities:
                                                                                        
          excess tax benefit related to stock award plans
                                                                            869,000 -195,000 -82,000 -39,000  -474,000 -322,000 -170,000     
          accounts receivable from joint ventures
                                                                                        
          accounts payable and other accrued liabilities
                                                                                   -13,612,000    8,683,000 
          proceeds from sale of business, net of cash received
                                                                                        
          acquisition of business
                                                                    -25,908,000               
          purchases of short-term investments
                                                                            -132,690,000         
          maturities of short-term investments
                                                                                        
          purchase of stock from shareholders
                                                                            -30,000,000 -2,895,000 -8,708,000       
          gain on acquisition
                                                                                      
          equity in undistributed loss of unconsolidated joint ventures
                                                                       -2,218,000    372,000             
          supplemental disclosure of noncash investing activities:
                                                                                        
          contribution of shares to fund employee stock purchase plan
                                                                       380,000    365,000 429,000 482,000 32,000 410,000 492,000  487,000 467,000 
          pension and post retirement contribution
                                                                                        
          investment in unconsolidated joint ventures
                                                                                        
          supplemental disclosure of noncash investing activities
                                                                                        
          other non-cash activity
                                                                             -538,000 493,000 -569,000         
          loss (income) from discontinued operations
                                                                                3,000        
          tax benefit related to stock award plans
                                                                                     -702,000 -5,896,000 2,109,000 
          loss on disposition / sale of assets
                                                                                        
          (purchase of) proceeds from short-term investments
                                                                                    -24,399,000    
          proceeds (purchase) from short-term investments
                                                                                   30,473,000     
          purchase of stock
                                                                                   -13,937,000     
          loss (gain) on disposition / sale of assets
                                                                                        
          acquisition of businesses, net of cash acquired
                                                                                        
          proceeds from sale of property, plant and equipment
                                                                                        
          proceeds from disposition of business
                                                                                        
          proceeds from issuance of shares to employee stock ownership plan
                                                                                        
          contribution of shares to fund employee stock ownership plan
                                                                                        
          deferred income taxes and taxes payable
                                                                                     -1,826,000   
          (purchase) proceeds from short-term investments
                                                                                       -7,161,000 
          operating activites
                                                                                        
          impairment
                                                                                        
          proceeds from notes receivable
                                                                                        
          gain on disposition / sale of assets