7Baggers

Lindsay Corporation
(NYSE:LNN) 

LNN stock logo

Lindsay Corporation, together with its subsidiaries, provides water management and road infrastructure products and services in the United States and internationally. The company operates in two segments, Irrigation and Infrastructure. The Irrigation segment manufactures and markets center pivot, la...

Founded: 1955
Full Time Employees: 1,125
Sector: Industrials
Industry: Farm & Heavy Construction Machinery

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Quarterly
Annual
    Unit: USD2026-05-31 2026-02-28 2025-11-30 2025-08-31 2025-05-31 2025-02-28 2024-11-30 2024-08-31 2024-05-31 2024-02-29 2023-11-30 2023-08-31 2023-05-31 2023-02-28 2022-11-30 2022-08-31 2022-05-31 2022-02-28 2021-11-30 2021-08-31 2021-05-31 2021-02-28 2020-11-30 2020-08-31 2020-05-31 2020-02-29 2019-11-30 2019-08-31 2019-05-31 2019-02-28 2018-11-30 2018-08-31 2018-05-31 2018-02-28 2017-11-30 2017-08-31 2017-05-31 2017-02-28 2016-11-30 2016-08-31 2016-05-31 2016-02-29 2015-11-30 2015-08-31 2015-05-31 2015-02-28 2014-11-30 2014-08-31 2014-05-31 2014-02-28 2013-11-30 2013-08-31 2013-05-31 2013-02-28 2012-11-30 2012-09-30 2012-08-31 2012-05-31 2012-02-29 2011-11-30 2011-09-30 2011-08-31 2011-05-31 2011-02-28 2010-11-30 2010-08-31 2010-05-31 2010-02-28 2009-11-30 2009-08-31 2009-05-31 2009-02-28 2008-11-30 2008-08-31 2008-05-31 2008-02-29 2007-11-30 2007-08-31 2007-05-31 2007-02-28 2006-11-30 2006-08-31 2006-05-31 2006-02-28 
                                                                                        
      operating revenues
    160,764,000 157,715,000 155,818,000 153,559,000 169,464,000 187,064,000 166,281,000 154,998,000 139,199,000 151,519,000 161,358,000 167,131,000 164,553,000 166,241,000 176,159,000 190,196,000 214,259,000 200,137,000 166,152,000 153,648,000 161,936,000 143,577,000 108,485,000 128,405,000 123,106,000 113,788,000 109,393,000 101,885,000 121,054,000 109,182,000 111,951,000 123,269,000 169,571,000 130,339,000 124,526,000 517,598,952 151,533 124,125 110,390,000 132,897,000 141,319,000 120,573,000 121,622,000 123,540,000 160,707,000 141,089,000 134,845,000 147,522,000 169,936,000 152,804,000 147,671,000 148,397,000 219,542,000 175,539,000 147,370,000 132,134,000 127,817,000 172,099,000 132,134,000 119,205,000 119,205,000 116,110,000 153,446,000 120,168,000 89,166,000 87,201,000 100,073,000 85,196,000 85,970,000 73,383,000 84,578,000 65,146,000 113,121,000 147,179,000 143,562,000 108,418,000 75,928,000 73,504,000 93,147,000 63,674,000 51,532,000 56,572,000 75,013,000 54,912,000 
      cost of operating revenues
    112,932,000 115,366,000 105,716,000 108,854,000 115,842,000 124,576,000 116,315,000 109,299,000 92,702,000 102,565,000 111,453,000 114,615,000 111,332,000 111,983,000 123,139,000 133,079,000 152,579,000 157,193,000 128,714,000 120,081,000 117,880,000 102,403,000 77,077,000 83,038,000 83,410,000 80,382,000 75,319,000 70,398,000 91,055,000 84,708,000 83,303,000 90,998,000 118,093,000 95,023,000 92,129,000 372,694,173 105,627 91,184 82,016,000 92,951,000 99,511,000 88,128,000 87,208,000 90,075,000 114,321,000 101,533,000 97,931,000 107,599,000 121,687,000 110,132,000 107,520,000 109,820,000 156,506,000 125,175,000 104,513,000 95,640,000 95,069,000 123,071,000 95,640,000 88,957,000 88,957,000 86,056,000 111,947,000 86,159,000 64,943,000 61,489,000 74,818,000 63,067,000 60,166,000 55,746,000 63,509,000 51,870,000 84,472,000 109,783,000 106,460,000 78,380,000 56,632,000 55,114,000 68,725,000 49,219,000 39,067,000 42,658,000 57,977,000 45,048,000 
      gross profit
    47,832,000 42,349,000 50,102,000 44,705,000 53,622,000 62,488,000 49,966,000 45,699,000 46,497,000 48,954,000 49,905,000 52,516,000 53,221,000 54,258,000 53,020,000 57,117,000 61,680,000 42,944,000 37,438,000 33,567,000 44,056,000 41,174,000 31,408,000 45,367,000 39,696,000 33,406,000 34,074,000 31,487,000 29,999,000 24,474,000 28,648,000 32,271,000 51,478,000 35,316,000 32,397,000 144,904,779 45,906 32,941 28,374,000 39,946,000 41,808,000 32,445,000 34,414,000 33,465,000 46,386,000 39,556,000 36,914,000 39,923,000 48,249,000 42,672,000 40,151,000 38,577,000 63,036,000 50,364,000 42,857,000 36,494,000 32,748,000 49,028,000 36,494,000 30,248,000 30,248,000 30,054,000 41,499,000 34,009,000 24,223,000 25,712,000 25,255,000 22,129,000 25,804,000 17,637,000 21,069,000 13,276,000 28,649,000 37,396,000 37,102,000 30,038,000 19,296,000 18,390,000 24,422,000 14,455,000 12,465,000 13,914,000 17,036,000 9,864,000 
      yoy
    -10.80% -32.23% 0.27% -2.18% 15.32% 27.65% 0.12% -12.98% -12.63% -9.78% -5.88% -8.06% -13.71% 26.35% 41.62% 70.16% 40.00% 4.30% 19.20% -26.01% 10.98% 23.25% -7.82% 44.08% 32.32% 36.50% 18.94% -2.43% -41.72% -30.70% -11.57% -77.73% 112037.85% 107109.86% 14.18% 262.75% -99.89% -99.90% -17.55% 19.37% -9.87% -17.98% -6.77% -16.18% -3.86% -7.30% -8.06% 3.49% -23.46% -15.27% -6.31% 5.71% 92.49% 2.72% 17.44% 20.65% 8.27% 63.13% -12.06% -11.06% 24.87% 16.89% 64.32% 53.69% -6.13% 45.78% 19.87% 66.68% -9.93% -52.84% -43.21% -55.80% 48.47% 103.35% 51.92% 107.80% 54.80% 32.17% 43.36% 46.54%     
      qoq
    12.95% -15.47% 12.07% -16.63% -14.19% 25.06% 9.34% -1.72% -5.02% -1.91% -4.97% -1.32% -1.91% 2.33% -7.17% -7.40% 43.63% 14.71% 11.53% -23.81% 7.00% 31.09% -30.77% 14.29% 18.83% -1.96% 8.22% 4.96% 22.57% -14.57% -11.23% -37.31% 45.76% 9.01% -77.64% 315555.42% 39.36% -99.88% -28.97% -4.45% 28.86% -5.72% 2.84% -27.86% 17.27% 7.16% -7.54% -17.26% 13.07% 6.28% 4.08% -38.80% 25.16% 17.52% 17.44% 11.44% -33.21% 34.35% 20.65% 0.00% 0.65% -27.58% 22.02% 40.40% -5.79% 1.81% 14.13% -14.24% 46.31% -16.29% 58.70% -53.66% -23.39% 0.79% 23.52% 55.67% 4.93% -24.70% 68.95% 15.96% -10.41% -18.33% 72.71%  
      operating expenses:
                                                                                        
      selling expense
    10,320,000 10,517,000 11,019,000 10,462,000 10,217,000 10,850,000 10,211,000 11,011,000 9,579,000 9,498,000 9,817,000 9,109,000 8,681,000 8,733,000 9,677,000 9,850,000 8,148,000 7,932,000 7,990,000 8,136,000 7,570,000 7,778,000 7,331,000 9,343,000 7,417,000 8,192,000 6,492,000 6,886,000 7,515,000 8,437,000 7,982,000 9,798,000 10,842,000 10,020,000 10,225,000 40,674,435 10,451 10,132 9,982,000 11,012,000 10,606,000 10,363,000 9,992,000 10,186,000 10,682,000 10,231,000 9,417,000 9,040,000 9,954,000 9,534,000 9,756,000 8,942,000 8,674,000 8,000,000 7,321,000 6,868,000 6,968,000 7,324,000 6,868,000 6,944,000 6,944,000 6,984,000 6,929,000 6,911,000 7,018,000 6,387,000 5,909,000 5,251,000 5,523,000 4,794,000 5,186,000 5,618,000 6,763,000 6,978,000 6,847,000 6,222,000 5,130,000 4,593,000 4,844,000 4,346,000 3,613,000 3,670,000 3,530,000 2,884,000 
      general and administrative expense
    14,349,000 14,742,000 14,838,000 17,723,000 14,903,000 15,352,000 15,008,000 16,596,000 12,695,000 13,466,000 14,662,000 15,175,000 13,061,000 13,739,000 14,437,000 14,922,000 14,647,000 13,022,000 12,880,000 12,153,000 12,043,000 14,275,000 13,452,000 14,921,000 13,055,000 13,167,000 11,804,000 17,152,000 14,695,000 16,832,000 15,058,000 11,759,000 17,974,000 14,311,000 11,918,000 46,923,722 13,693 10,230 11,355,000 12,494,000 11,882,000 23,028,000 9,015,000 16,991,000 10,719,000 11,680,000 12,871,000 12,129,000 10,002,000 9,354,000 11,743,000 11,385,000 11,783,000 10,155,000 10,118,000 8,434,000 10,434,000 10,390,000 8,434,000 8,940,000 8,940,000 11,018,000 8,640,000 7,265,000 8,031,000 7,233,000 7,348,000 8,279,000 7,336,000 7,979,000 7,000,000 6,488,000 8,349,000 9,247,000 8,112,000 6,507,000 6,144,000 6,012,000 6,991,000 5,459,000 5,435,000 4,766,000 4,446,000 4,285,000 
      engineering and research expense
    4,650,000 4,076,000 4,640,000 5,195,000 4,709,000 4,162,000 3,864,000 4,592,000 4,287,000 3,892,000 4,352,000 4,868,000 4,522,000 4,521,000 4,308,000 4,563,000 3,723,000 3,652,000 3,207,000 3,855,000 3,102,000 3,312,000 3,090,000 3,647,000 3,396,000 3,405,000 3,502,000 3,389,000 3,314,000 3,665,000 3,568,000 4,120,000 3,960,000 3,919,000 4,053,000 17,134,293 4,348 4,057 4,302,000 4,444,000 3,995,000 3,748,000 3,659,000 3,519,000 3,497,000 3,109,000 2,724,000 2,523,000 3,071,000 2,871,000 2,660,000 2,449,000 3,029,000 2,763,000 3,154,000 2,244,000 2,654,000 2,527,000 2,244,000 2,056,000 2,056,000 2,278,000 2,789,000 2,772,000 2,564,000 2,374,000 1,949,000 1,685,000 1,784,000 1,331,000 1,346,000 1,619,000 1,741,000 1,751,000 1,693,000 1,456,000 1,506,000 1,862,000 1,073,000 939,000 806,000 790,000 697,000 607,000 
      total operating expenses
    29,319,000 29,335,000 30,497,000 33,380,000 29,829,000 30,364,000 29,083,000 32,199,000 26,561,000 26,856,000 28,831,000 29,152,000 26,264,000 26,993,000 28,422,000 29,335,000 26,518,000 24,606,000 24,077,000 24,144,000 22,715,000 25,365,000 23,873,000 27,911,000 23,868,000 24,764,000 21,798,000 27,427,000 25,524,000 28,934,000 26,608,000 25,677,000 32,776,000 28,250,000 26,196,000 104,732,450 28,492 24,419 25,639,000 27,950,000 26,483,000 37,139,000 22,666,000 30,696,000 24,898,000 25,020,000 25,012,000 23,692,000 23,027,000 21,759,000 24,159,000 22,776,000 23,486,000 20,918,000 20,593,000 17,546,000 20,056,000 20,241,000 17,546,000 25,165,000 25,165,000 20,280,000 18,358,000 16,948,000 17,613,000 15,994,000 15,206,000 15,215,000 14,643,000 14,104,000 13,532,000 13,725,000 16,853,000 17,976,000 16,652,000 14,185,000 12,780,000 12,467,000 12,908,000 10,744,000 9,854,000 9,226,000 8,673,000 7,776,000 
      operating income
    18,513,000 13,014,000 19,605,000 11,325,000 23,793,000 32,124,000 20,883,000 13,500,000 19,936,000 22,098,000 21,074,000 23,364,000 26,957,000 27,265,000 24,598,000 27,782,000 35,162,000 18,338,000 13,361,000 9,423,000 21,341,000 15,809,000 7,535,000 17,456,000 15,828,000 8,642,000 12,276,000 4,060,000 4,475,000 -4,460,000 2,040,000 6,594,000 18,702,000 7,066,000 6,201,000 40,172,329 17,414 8,522 2,735,000 11,996,000 15,325,000 -4,694,000 11,748,000 2,769,000 21,488,000 14,536,000 11,902,000 16,231,000 25,222,000 20,913,000 15,992,000 15,801,000 39,550,000 29,446,000 22,264,000 18,948,000 12,692,000 28,787,000 18,948,000 5,083,000 5,083,000 9,774,000 23,141,000 17,061,000 6,610,000 9,718,000 10,049,000 6,914,000 11,161,000 3,533,000 7,537,000 -449,000 11,796,000 19,420,000 20,450,000 15,853,000 6,516,000 5,923,000 11,514,000 3,711,000 2,611,000 4,688,000 8,363,000 2,088,000 
      yoy
    -22.19% -59.49% -6.12% -16.11% 19.35% 45.37% -0.91% -42.22% -26.05% -18.95% -14.33% -15.90% -23.33% 48.68% 84.10% 194.83% 64.76% 16.00% 77.32% -46.02% 34.83% 82.93% -38.62% 329.95% 253.70% -293.77% 501.76% -38.43% -76.07% -163.12% -67.10% -83.59% 107296.35% 82814.81% 126.73% 234.88% -99.89% -100.18% -76.72% 333.22% -28.68% -132.29% -1.29% -82.94% -14.80% -30.49% -25.58% 2.72% -36.23% -28.98% -28.17% -16.61% 211.61% 2.29% 17.50% 272.77% 149.70% 194.53% -18.12% -70.21% -23.10% 0.58% 130.28% 146.76% -40.78% 175.06% 33.33% -1639.87% -5.38% -81.81% -63.14% -102.83% 81.03% 227.87% 77.61% 327.19% 149.56% 26.34% 37.68% 77.73%     
      qoq
    42.25% -33.62% 73.11% -52.40% -25.93% 53.83% 54.69% -32.28% -9.78% 4.86% -9.80% -13.33% -1.13% 10.84% -11.46% -20.99% 91.74% 37.25% 41.79% -55.85% 34.99% 109.81% -56.83% 10.29% 83.15% -29.60% 202.36% -9.27% -200.34% -318.63% -69.06% -64.74% 164.68% 13.95% -84.56% 230589.84% 104.34% -99.69% -77.20% -21.72% -426.48% -139.96% 324.27% -87.11% 47.83% 22.13% -26.67% -35.65% 20.60% 30.77% 1.21% -60.05% 34.31% 32.26% 17.50% 49.29% -55.91% 51.93% 272.77% 0.00% -47.99% -57.76% 35.64% 158.11% -31.98% -3.29% 45.34% -38.05% 215.91% -53.12% -1778.62% -103.81% -39.26% -5.04% 29.00% 143.29% 10.01% -48.56% 210.27% 42.13% -44.30% -43.94% 300.53%  
      other income:
                                                                                        
      interest income
    2,315,000 1,984,000 3,319,000 2,388,000 2,242,000 1,843,000 1,245,000 1,865,000 961,000 1,295,000 1,068,000 1,238,000 680,000 490,000 373,000 166,000 118,000 160,000 177,000 285,000 227,000 268,000 303,000 544,000 408,000 389,000 615,000 472,000 525,000 751,000 654,000 469,000 540,000 311,000 320,000 1,177,119 545 171 165,000 125,000 127,000 229,000 164,000 163,000 134,000 162,000 172,000 142,000 295,000 157,000 135,000 129,000 100,000 129,000 138,000 94,000 177,000 137,000 94,000 96,000 96,000 165,000 71,000 37,000 42,000 137,000 49,000 83,000 83,000 193,000 200,000 225,000 316,000 536,000 346,000 377,000 476,000 623,000 477,000 426,000 636,000 30,000 511,000 436,000 
      other income
    -250,000 569,000 -1,038,000 244,000 24,000 -351,000 658,000 580,000 43,000 134,000 -270,000 -500,000 -957,000 -984,000  66,000 1,282,000 1,882,000     246,000   -973,000 -450,000   -181,000 192,000 62,000 -571,000 -606,000    144          223,000 28,000 -225,000 -271,000 -198,000 132,000 -4,000 124,000 515,000 -100,000 -234,000 515,000 -595,000 -595,000 9,000 139,000 116,000 111,000 73,000 12,000 -85,000 145,000 50,000 636,000 238,000 -1,706,000 -348,000 299,000  114,000     253,000 268,000 -20,000 
      total other income
    2,065,000 2,553,000 2,281,000 2,297,000 1,921,000 1,090,000 1,151,000 1,685,000 237,000 599,000 -79,000 1,541,000 -1,225,000 -1,532,000 -593,000 -4,150,000 394,000 866,000 -3,886,000 -1,634,000 -187,000 -1,248,000 -652,000                                                              
      earnings before income taxes
    20,578,000 15,567,000 21,886,000 13,622,000 25,714,000 33,214,000 22,034,000 15,185,000 20,173,000 22,697,000 20,995,000 24,905,000 25,732,000 25,733,000 24,005,000 23,632,000 35,556,000 19,204,000 9,475,000 7,789,000 21,154,000 14,561,000 6,883,000 18,456,000 12,265,000 6,867,000 11,255,000 2,265,000 3,229,000 -5,068,000 1,681,000 5,940,000 17,445,000 5,676,000 4,792,000 35,689,832 16,197 7,636 1,335,000 11,020,000 14,065,000 -6,193,000 10,396,000 529,000 20,423,000 14,138,000 11,661,000 16,549,000 25,500,000 20,789,000 15,817,000 15,686,000 39,750,000 29,488,000 22,383,000 19,427,000 12,653,000 28,587,000 19,427,000 4,441,000 4,441,000 9,777,000 23,159,000 17,001,000 6,577,000 9,662,000 9,636,000 6,556,000 10,928,000 3,316,000 7,908,000 -466,000 9,781,000 18,780,000 20,308,000 15,516,000 6,507,000 6,239,000 11,535,000 3,615,000 2,744,000 4,971,000 9,142,000 2,504,000 
      income tax expense
    4,758,000 3,522,000 5,362,000 2,809,000 6,214,000 6,638,000 4,870,000 2,449,000 -206,000 4,574,000 5,976,000 5,676,000 8,851,000 7,681,000 5,788,000 5,703,000 10,483,000 4,638,000 1,574,000 1,985,000 3,357,000 2,685,000 -212,000 3,782,000 2,171,000 1,351,000 2,910,000 762,000 332,000 -1,628,000 469,000 962,000 7,066,000 3,941,000 1,607,000 12,527,669 5,245 2,624 462,000 3,212,000 4,421,000 -2,064,000 3,452,000 3,710,000 7,496,000 5,143,000 4,093,000 5,220,000 9,001,000 7,339,000 5,583,000 5,258,000 13,687,000 10,137,000 7,655,000                              
      net earnings
    15,820,000 12,045,000 16,524,000 10,813,000 19,500,000 26,576,000 17,164,000 12,736,000 20,379,000 18,123,000 15,019,000 19,229,000 16,881,000 18,052,000 18,217,000 17,929,000 25,073,000 14,566,000 7,901,000 5,804,000 17,797,000 11,876,000 7,095,000 14,674,000 10,094,000 5,516,000 8,345,000 1,503,000 2,897,000 -3,440,000 1,212,000 4,978,000 10,379,000 1,735,000 3,185,000 23,162,163 10,952 5,012 873,000 7,808,000 9,644,000 -4,129,000 6,944,000 -3,181,000 12,927,000 8,995,000 7,568,000 11,329,000 16,499,000 13,450,000 10,234,000 10,428,000 26,063,000 19,351,000 14,728,000 12,774,000 8,759,000 18,823,000 12,774,000 2,921,000 2,921,000 5,902,000 15,289,000 11,325,000 4,286,000 5,959,000 6,248,000 5,978,000 6,677,000 2,082,000 5,269,000 150,000 6,322,000 11,252,000 14,107,000 9,680,000 4,366,000 3,848,000 7,477,000 2,512,000 1,783,000 3,057,000 6,415,000 1,717,000 
      yoy
    -18.87% -54.68% -3.73% -15.10% -4.31% 46.64% 14.28% -33.77% 20.72% 0.39% -17.56% 7.25% -32.67% 23.93% 130.57% 208.91% 40.88% 22.65% 11.36% -60.45% 76.31% 115.30% -14.98% 876.31% 248.43% -260.35% 588.53% -69.81% -72.09% -298.27% -61.95% -78.51% 94668.08% 34516.92% 264.83% 196.65% -99.89% -100.12% -87.43% -345.46% -25.40% -145.90% -8.25% -128.08% -21.65% -33.12% -26.05% 8.64% -36.70% -30.49% -30.51% -18.37% 197.56% 2.81% 15.30% 337.32% 199.86% 218.93% -16.45% -74.21% -31.85% -0.96% 144.70% 89.44% -35.81% 186.22% 18.58% 3885.33% 5.62% -81.50% -62.65% -98.45% 44.80% 192.41% 88.67% 285.35% 144.87% 25.88% 16.55% 46.30%     
      qoq
    31.34% -27.11% 52.82% -44.55% -26.63% 54.84% 34.77% -37.50% 12.45% 20.67% -21.89% 13.91% -6.49% -0.91% 1.61% -28.49% 72.13% 84.36% 36.13% -67.39% 49.86% 67.39% -51.65% 45.37% 82.99% -33.90% 455.22% -48.12% -184.22% -383.83% -75.65% -52.04% 498.21% -45.53% -86.25% 211387.97% 118.52% -99.43% -88.82% -19.04% -333.57% -159.46% -318.30% -124.61% 43.71% 18.86% -33.20% -31.34% 22.67% 31.42% -1.86% -59.99% 34.69% 31.39% 15.30% 45.84% -53.47% 47.35% 337.32% 0.00% -50.51% -61.40% 35.00% 164.23% -28.08% -4.63% 4.52% -10.47% 220.70% -60.49% 3412.67% -97.63% -43.81% -20.24% 45.73% 121.71% 13.46% -48.54% 197.65% 40.89% -41.67% -52.35% 273.62%  
      earnings per share:
                                                                                        
      basic
    1.54 1.15 1.55 1.8 2.45 1.58 1.18 1.85 1.64 1.36 1.75 1.53 1.64 1.66 1.63 2.28 1.33 0.72 0.53 1.63 1.09 0.65 1.36 0.93 0.51 0.77 0.14 0.27 -0.32 0.11 0.46 0.96 0.16 0.3 0.59 1.03 0.47 0.08 0.73 0.9 -0.37 0.62 -0.23 1.11 0.75 0.62 0.89 1.28 1.04 0.79 0.81 2.03 1.51 1.15                              
      diluted
    1.53 1.15 1.54 0.99 1.78 2.44 1.57 1.17 1.85 1.64 1.36 1.74 1.53 1.63 1.65 1.63 2.28 1.32 0.72 0.53 1.61 1.08 0.65 1.35 0.93 0.51 0.77 0.14 0.27 -0.32 0.11 0.46 0.96 0.16 0.3 0.59 1.02 0.47 0.08 0.72 0.9 -0.37 0.62 -0.24 1.1 0.75 0.62 0.89 1.28 1.04 0.79 0.81 2.01 1.5 1.15                              
      shares used in computing earnings per share:
                                                                                        
      basic
    10,299 10,449 10,673 -1 10,862 10,863 10,853 -40 10,996 11,033 11,017 11,008 11,007 10,989 10,978 10,974 10,927 10,907 10,884 10,845 10,835 10,825 10,795 10,786 10,786 10,766 10,757 10,743 10,705 10,677 10,657 10,638 -91 10,709 11,024 11,259 -147 11,690 11,982 12,224 -49 12,843 12,910 12,889 11 12,858 12,842 12,756                              
      diluted
    10,341 10,486 10,699 10,931 10,909 10,903 -38 11,030 11,074 11,059 -1 11,052 11,063 11,073 11 11,021 11,014 11,026 18 11,033 10,981 10,888 10,877 10,857 10,828 10,814 10,786 10,806 10,785 10,765 10,740 12 10,705 10,674 10,666 -89 10,732 11,024 11,288 -145 11,720 12,008 12,274 -45 12,889 12,942 12,951 12,947 12,882 12,853                              
      cash dividends declared per share
    0.37 0.37 0.37 0.37 0.36 0.36 0.36 0.36 0.35 0.35 0.35 0.35 0.34 0.34 0.34 0.34 0.33 0.33 0.33 0.33 0.33 0.32 0.32 0.32 0.32 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.3 0.3 0.3 0.3 0.29 0.29 0.29 0.29 0.28 0.28 0.28 0.28 0.27 0.27 0.27 0.27 0.26 0.26 0.13 0.13 0.115 0.115 0.115                              
      interest expense
       -335,000 -345,000 -402,000 -752,000 -760,000 -767,000 -830,000 -877,000 -893,000 -948,000 -1,038,000 -909,000 -924,000 -1,006,000 -1,176,000 -1,163,000 -1,167,000 -1,178,000 -1,205,000 -1,201,000 -1,185,000 -1,197,000 -1,191,000 -1,186,000 -1,215,000 -1,169,000 -1,178,000 -1,205,000 -1,185,000 -1,226,000 -1,095,000 -1,181,000 -4,753,434 -1,156 -1,201 -1,209,000 -1,175,000 -1,179,000 -1,201,000 -1,196,000 -1,202,000 -1,144,000 -209,000 -71,000 -47,000 -45,000 -56,000 -39,000 -46,000 -32,000 -83,000 -143,000 -130,000 -116,000 -103,000 -130,000 -143,000 -143,000 -171,000 -192,000 -213,000 -186,000 -266,000 -474,000 -356,000 -461,000 -460,000 -465,000 -480,000 -625,000 -828,000 -787,000 -821,000 -599,000 -554,000 -826,000 -532,000 -487,000    
      other expense
                  -57,000    -2,900,000 -752,000 764,000 -311,000  1,641,000 -2,774,000   -1,052,000 -602,000      -548,000 -906,182 -606  -356,000 74,000 -208,000 -527,000 -320,000 -187,000 -55,000 -351,000 -342,000                                      
      see accompanying notes to condensed consolidated financial statements.
                                                                                        
      environmental remediation expense
                                                               7,225,000 7,225,000                        
      income tax provision
                                                           6,653,000 3,894,000 9,764,000 6,653,000 1,520,000 1,520,000 3,875,000 7,870,000 5,676,000 2,291,000 3,703,000 3,388,000 578,000 4,251,000 1,234,000 2,639,000 -616,000 3,459,000 7,528,000 6,201,000 5,836,000 2,141,000 2,391,000 4,058,000 1,103,000 961,000 1,914,000 2,727,000 787,000 
      basic net earnings per share
                                                           1.01 0.69 1.48 1.01 0.23 0.23 0.47 1.22 0.9 0.34 0.48 0.5 0.48 0.54 0.16 0.43 0.01 0.52 0.93 1.18 0.82 0.37 0.33 0.64 0.22 0.15 0.26 0.56 0.15 
      diluted net earnings per share
                                                           0.68 1.47 0.23 0.23 0.46 1.2 0.89 0.34 0.48 0.5 0.48 0.53 0.17 0.42 0.01 0.51 0.91 1.15 0.79 0.36 0.32 0.62 0.21 0.15 0.26 0.55 0.15 
      weighted-average shares outstanding
                                                           12,703 12,704 12,714 12,703 12,682 12,682 12,560 12,564 12,548 12,502 12,451 12,486 12,452 12,380 12,294 12,305 12,285 12,250 11,936           
      diluted effect of stock equivalents
                                                           118 100 118 82 82 -7 139 137 142 -4 124 127 161 -1 136 135 235 -23 362 410 462 82.25 346 305 279    
      weighted-average shares outstanding assuming dilution
                                                           12,821 12,810 12,814 12,821 12,764 12,764 12,692 12,703 12,685 12,644 12,585 12,610 12,579 12,541 12,461 12,441 12,420 12,485 12,324           
      cash dividends per share
                                                           0.09 0.115 0.09 0.09 0.09 0.09 0.09 0.085 0.085 0.085 0.06 0.08 0.08 0.08 0.056 0.075 0.075 0.075 0.053 0.07 0.07 0.07 0.049 0.065 0.065 0.065 0.045 0.06 0.06 
      average shares outstanding
                                                                             2,964.25 11,958 11,847 11,766 2,903.75 11,639 11,630 11,577 2,881 11,529 11,522 
      average shares outstanding assuming dilution
                                                                             3,067 12,320 12,257 12,228 2,986 11,985 11,935 11,856 2,924.5 11,748 11,696 
      other
                                                                               107,000  91,000 370,000 10,000 -16,000    
      diluted effect of stock options
                                                                                     43.5 219 174 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-05-31 2026-02-28 2025-11-30 2025-08-31 2025-05-31 2025-02-28 2024-11-30 2024-08-31 2024-05-31 2024-02-29 2023-11-30 2023-08-31 2023-05-31 2023-02-28 2022-11-30 2022-08-31 2022-05-31 2022-02-28 2021-11-30 2021-08-31 2021-05-31 2021-02-28 2020-11-30 2020-08-31 2020-05-31 2020-02-29 2019-11-30 2019-08-31 2019-05-31 2019-02-28 2018-11-30 2018-08-31 2018-05-31 2018-02-28 2017-11-30 2017-08-31 2017-05-31 2017-02-28 2016-11-30 2016-08-31 2016-05-31 2016-02-29 2015-11-30 2015-08-31 2015-05-31 2015-02-28 2014-11-30 2014-08-31 2014-05-31 2014-02-28 2013-11-30 2013-08-31 2013-05-31 2013-02-28 2012-11-30 2012-09-30 2012-08-31 2012-05-31 2012-02-29 2011-11-30 2011-09-30 2011-08-31 2011-05-31 2011-02-28 2010-11-30 2010-08-31 2010-05-31 2010-02-28 2009-11-30 2009-08-31 2009-05-31 2008-11-30 2008-08-31 2008-05-31 2008-02-29 2007-11-30 2007-08-31 2007-05-31 2007-02-28 2006-11-30 2006-08-31 2006-05-31 2006-02-28 
                                                                                         
        assets
                                                                                         
        current assets:
                                                                                         
        cash and cash equivalents
      154,760,000 186,111,000 199,622,000 250,575,000 196,117,000 172,044,000 194,066,000 190,879,000 140,221,000 133,415,000 159,381,000 160,755,000 131,577,000 97,675,000 99,168,000 105,048,000 81,757,000 68,951,000 84,719,000 127,107,000 120,801,000 110,775,000 126,802,000 121,403,000 102,474,000 101,272,000 120,910,000 127,204,000 110,839,000 102,778,000 137,217,000 160,787,000 111,779,000 102,211,000 109,450,000 121,620,000 113,212,000 102,825,000 103,058,000 101,246,000 91,498,000 89,522,000 129,260,000 139,093,000 154,018,000 167,165,000 139,287,000 171,842,000 182,051,000 165,509,000 151,803,000 151,927,000 170,215,000 159,583,000 152,173,000 104,953,000 143,444,000 119,785,000 104,953,000 108,731,000 108,731,000 108,167,000 100,568,000 78,448,000 80,535,000 83,418,000 83,509,000 91,635,000 91,750,000 85,929,000 63,212,000 28,298,000 50,760,000 19,068,000 24,328,000 17,324,000 21,022,000 22,774,000 15,346,000 19,699,000 43,344,000 30,088,000 26,907,000 
        marketable securities
          14,676,000 14,676,000   12,497,000 17,219,000 16,278,000 5,556,000 12,806,000 8,763,000 11,424,000 11,460,000 13,930,000 24,934,000 30,195,000 19,604,000 19,663,000 19,555,000 19,624,000 19,511,000 19,012,000 18,740,000                                                 496,000 8,207,000 27,591,000 17,434,000 16,147,000 21,792,000 10,179,000 11,941,000 13,104,000 
        accounts receivable
      137,449,000 134,056,000 129,014,000 113,027,000 147,848,000 155,440,000 120,875,000 116,601,000 134,461,000 153,624,000 143,049,000 144,774,000 154,167,000 167,007,000 157,116,000 138,200,000 155,518,000 134,694,000 111,959,000 93,609,000 107,713,000 94,211,000 74,909,000 84,604,000 84,931,000 80,468,000 79,317,000 75,551,000 94,584,000 88,576,000 84,864,000 69,107,000 92,135,000 96,738,000 79,774,000 73,850,000 86,772,000 78,828,000 69,774,000 80,610,000 81,915,000 79,225,000 70,403,000 74,063,000 93,399,000 93,293,000 89,165,000 94,135,000 103,513,000 111,211,000 122,093,000 120,291,000 130,924,000 105,399,000 88,893,000 77,536,000 82,565,000 95,693,000 77,536,000 76,671,000 76,671,000 79,006,000 87,588,000 75,096,000 60,000,000 63,629,000 56,804,000 53,297,000 51,552,000 42,862,000 57,371,000 84,089,000 88,410,000 82,859,000   46,968,000    38,115,000   
        inventories
      145,945,000 144,581,000 146,388,000 136,859,000 150,462,000 154,605,000 158,255,000 154,453,000 171,522,000 167,334,000 164,144,000 155,932,000 166,759,000 178,703,000 188,404,000 193,776,000 195,566,000 187,328,000 173,115,000 145,244,000 136,601,000 121,566,000 114,278,000 104,792,000 113,301,000 105,454,000 97,284,000 92,287,000 91,091,000 99,984,000 88,912,000 79,233,000 82,635,000 102,975,000 93,994,000 86,155,000 88,601,000 82,847,000 80,139,000 74,750,000 82,845,000 82,078,000 78,246,000 74,930,000 79,123,000 82,263,000 77,010,000 71,696,000 79,010,000 80,994,000 75,614,000 68,607,000 72,458,000 78,071,000 67,250,000 68,578,000 52,873,000 62,119,000 68,578,000 57,646,000 57,646,000 49,524,000 52,833,000 54,876,000 53,147,000 45,296,000 47,070,000 47,197,000 44,327,000 46,255,000 54,355,000 72,488,000 53,409,000 61,118,000 60,540,000 54,964,000 41,099,000 45,362,000 44,800,000 34,656,000 26,818,000 24,803,000 26,292,000 
        other current assets
      42,198,000 34,463,000 31,974,000 32,303,000 38,143,000 29,919,000 28,948,000 31,279,000 30,017,000 29,121,000 18,450,000 20,467,000 25,943,000 27,973,000 25,295,000 28,617,000 28,663,000 34,350,000 26,345,000 30,539,000 32,947,000 29,509,000 20,837,000 17,625,000 19,469,000 19,083,000 16,376,000 15,704,000 17,903,000 18,196,000 8,386,000 7,204,000 8,209,000 6,092,000 9,461,000 6,925,000 11,877,000 15,968,000 18,622,000 14,468,000 20,470,000 19,248,000 18,494,000 13,077,000 17,641,000 21,936,000 18,853,000 18,671,000 19,992,000 18,216,000 15,989,000 15,261,000 18,307,000 15,020,000 10,719,000 14,193,000 10,478,000 13,177,000 14,193,000 11,787,000 11,787,000 12,398,000 12,177,000 10,035,000 8,540,000 8,946,000 9,071,000 7,629,000 6,660,000 7,602,000 5,886,000 6,627,000 7,947,000 12,150,000 9,590,000 8,453,000 6,990,000 6,777,000 6,187,000 4,602,000 3,947,000 3,926,000 4,539,000 
        total current assets
      480,352,000 499,211,000 506,998,000 532,764,000 547,246,000 526,684,000 502,144,000 493,212,000 488,718,000 500,713,000 501,302,000 487,484,000 491,252,000 480,121,000 481,407,000 477,101,000 475,434,000 450,257,000 426,333,000 416,103,000 417,725,000 375,616,000 356,450,000 347,935,000 339,187,000 325,017,000 316,631,000 313,490,000 317,161,000 317,226,000 325,322,000 331,051,000 350,406,000 313,355,000 296,234,000 292,934,000 305,406,000 285,676,000 274,888,000 292,124,000 291,247,000 284,053,000 308,708,000 322,167,000 361,103,000 380,881,000 341,422,000 374,058,000 399,314,000 389,846,000 378,968,000 368,791,000 403,714,000 367,183,000 327,206,000 273,596,000 298,865,000 300,173,000 273,596,000 263,815,000 263,815,000 257,693,000 259,964,000 223,912,000 207,962,000 208,011,000 202,428,000 206,403,000 201,166,000 189,529,000 189,415,000 199,256,000 208,621,000 182,249,000 175,195,000 155,030,000 149,778,000 153,723,000 139,788,000 127,288,000 122,403,000 117,586,000 110,789,000 
        property, plant, and equipment:
                                                                                         
        cost
      347,980,000 341,631,000 330,455,000  304,625,000 295,551,000 286,670,000  277,825,000 275,340,000 265,337,000  252,741,000 246,396,000 243,006,000  239,001,000 234,183,000 230,268,000  230,205,000 223,418,000 212,725,000  198,180,000 191,688,000 193,000,000  188,215,000 181,644,000 176,669,000  172,438,000 192,898,000 190,028,000  187,890,000 185,714,000 182,848,000  184,740,000 181,477,000 183,630,000  178,606,000 175,538,000 170,051,000  160,969,000 158,948,000 156,299,000  144,199,000 141,973,000 139,032,000                             
        less accumulated depreciation
      -181,586,000 -179,015,000 -175,317,000  -174,014,000 -170,794,000 -168,688,000  -166,196,000 -164,649,000 -161,519,000  -155,749,000 -152,558,000 -149,488,000  -144,560,000 -141,892,000 -138,629,000  -137,688,000 -134,197,000 -131,430,000  -125,353,000 -122,926,000 -122,695,000  -117,848,000 -116,338,000 -116,187,000  -112,554,000 -120,220,000 -117,088,000  -113,481,000 -110,082,000 -107,287,000  -105,580,000 -102,561,000 -104,641,000  -101,752,000 -99,875,000 -99,150,000  -95,940,000 -93,502,000 -91,047,000  -87,293,000 -85,104,000 -82,947,000                             
        property, plant, and equipment
      166,394,000 162,616,000 155,138,000 142,307,000 130,611,000 124,757,000 117,982,000 112,815,000 111,629,000 110,691,000 103,818,000 99,681,000 96,992,000 93,838,000 93,518,000 94,472,000 94,441,000 92,291,000 91,639,000 91,997,000 92,517,000 89,221,000 81,295,000 79,581,000 72,827,000 68,762,000 70,305,000 68,968,000 70,367,000 65,306,000 60,482,000 57,248,000 59,884,000 72,678,000 72,940,000 74,498,000 74,409,000 75,632,000 75,561,000 77,627,000                                            
        intangibles
      22,576,000 23,008,000 23,353,000  23,703,000 24,097,000 24,591,000  25,644,000 26,277,000 27,005,000  16,860,000 17,329,000 17,760,000  18,769,000 19,311,000 19,827,000  21,893,000 22,383,000 22,817,000  24,053,000 23,162,000 23,739,000  25,103,000 25,853,000 26,576,000  28,656,000 40,677,000 41,702,000  43,874,000 44,890,000 45,998,000  48,367,000 49,475,000 50,598,000  52,103,000 53,900,000 30,821,000  33,060,000 34,084,000 35,029,000  22,974,000 23,729,000 24,410,000                             
        goodwill
      84,473,000 84,542,000 84,421,000 84,459,000 84,304,000 83,877,000 83,941,000 84,194,000 84,102,000 84,099,000 84,029,000 83,121,000 67,441,000 67,409,000 67,295,000 67,130,000 67,476,000 67,679,000 67,735,000 67,968,000 68,134,000 68,087,000 68,027,000 68,004,000 67,635,000 64,338,000 64,358,000 64,387,000 64,454,000 64,591,000 64,557,000 64,671,000 64,723,000 77,296,000 77,127,000 77,131,000 76,843,000 76,577,000 76,562,000 76,803,000 76,778,000 76,628,000 76,497,000 76,801,000 75,124,000 74,808,000 36,634,000 37,021,000 37,211,000 37,282,000 37,193,000 37,414,000 30,111,000 30,211,000 30,114,000 30,443,000 29,961,000 29,866,000 30,443,000 30,390,000 30,390,000 30,943,000 28,815,000 28,528,000 28,123,000 27,395,000 23,292,000 23,867,000 24,530,000 24,174,000 24,079,000 23,333,000 24,430,000 25,009,000 24,406,000 18,829,000 16,845,000 12,029,000 12,579,000 11,134,000 11,129,000   
        operating lease right-of-use assets
      19,887,000 20,317,000 17,566,000 18,096,000 16,899,000 17,583,000 15,009,000 15,693,000 16,308,000 16,755,000 17,544,000 17,036,000 17,378,000 17,984,000 18,477,000 19,181,000 20,263,000 16,724,000 17,584,000 18,281,000 19,360,000 20,173,000 26,008,000 27,457,000 27,663,000 27,257,000 25,764,000                                                         
        deferred income tax assets
      23,173,000 22,873,000 18,573,000 19,525,000 18,945,000 11,930,000 12,375,000 14,431,000 13,367,000 9,203,000 12,712,000 10,885,000 11,518,000 9,518,000 8,117,000 9,313,000 7,857,000 5,352,000 6,157,000 8,113,000 10,247,000 10,347,000 9,924,000 9,935,000 11,118,000 10,162,000 9,902,000 11,758,000 8,783,000 6,484,000 5,639,000 6,645,000 4,581,000 5,773,000 3,111,000 5,311,000 6,027,000 3,094,000 3,134,000                                             
        equity method investment
      8,423,000 8,400,000 8,107,000 8,763,000 8,337,000 7,452,000                                                                              
        other noncurrent assets
      16,365,000 16,714,000 14,244,000 11,591,000 10,818,000 17,805,000 14,959,000 14,521,000 18,333,000 17,542,000 17,508,000 19,734,000 22,177,000 22,881,000 21,722,000 25,248,000 27,676,000 24,970,000 20,170,000 14,356,000 12,341,000 10,821,000 10,681,000 14,137,000 15,003,000 15,632,000 16,112,000 17,329,000 20,054,000 20,645,000 19,943,000 13,265,000 11,978,000 12,575,000 12,293,000 13,350,000 4,728,000 4,747,000 4,800,000 5,811,000         3,957,000 3,961,000 5,261,000 5,020,000 4,416,000 4,490,000 5,063,000 5,486,000 5,455,000 5,057,000 5,486,000 5,408,000 5,408,000 5,404,000 4,318,000 4,869,000 4,809,000 4,714,000 5,652,000 5,640,000 5,646,000 5,453,000 5,479,000 4,973,000 5,447,000 5,628,000 5,590,000 6,112,000 5,460,000 5,161,000 4,507,000 6,949,000 4,945,000 7,415,000 6,933,000 
        total assets
      821,643,000 837,681,000 828,400,000 840,836,000 840,863,000 814,185,000 771,001,000 760,232,000 758,101,000 765,280,000 763,918,000 745,660,000 723,618,000 709,080,000 708,296,000 710,653,000 711,916,000 676,584,000 649,445,000 637,185,000 642,217,000 596,648,000 575,202,000 570,526,000 557,486,000 534,330,000 526,811,000 500,314,000 505,922,000 500,105,000 502,519,000 500,256,000 520,228,000 522,354,000 503,407,000 506,032,000 511,287,000 490,616,000 480,943,000 499,565,000 501,705,000 495,483,000 521,616,000 536,468,000 577,894,000 598,780,000 490,077,000 526,551,000 538,571,000 530,619,000 521,703,000 512,296,000 518,121,000 482,482,000 442,878,000 393,600,000 415,531,000 416,948,000 393,600,000 384,082,000 384,082,000 381,144,000 377,806,000 343,257,000 325,766,000 325,481,000 314,479,000 321,166,000 320,336,000 307,897,000 304,320,000 312,426,000 326,877,000 301,486,000 292,478,000 254,970,000 242,205,000 235,644,000 220,846,000 197,610,000 192,234,000 153,347,000 146,198,000 
        liabilities and shareholders' equity
                                                                                         
        current liabilities:
                                                                                         
        accounts payable
      58,712,000 55,231,000 57,248,000 48,670,000 47,000,000 57,612,000 53,185,000 37,417,000 35,062,000 47,903,000 52,242,000 44,278,000 42,207,000 52,998,000 58,535,000 60,036,000 72,350,000 74,345,000 58,908,000 45,209,000 49,351,000 39,934,000 36,263,000 29,554,000 35,310,000 33,307,000 30,097,000 29,434,000 37,509,000 37,419,000 41,338,000 30,530,000 30,281,000 46,599,000 41,046,000 36,717,000 40,256,000 44,254,000 32,533,000 32,268,000 40,805,000 36,371,000 39,106,000 38,814,000 46,560,000 50,293,000 48,648,000 42,424,000 47,352,000 53,954,000 45,902,000 42,276,000 56,902,000 63,651,000 50,662,000 39,417,000 31,372,000 38,820,000 39,417,000 39,955,000 39,955,000 32,153,000 42,966,000 38,261,000 33,316,000 26,501,000 29,547,000 30,514,000 26,291,000 20,008,000 18,463,000 33,300,000 32,818,000 27,967,000 25,855,000 24,664,000 18,367,000 18,970,000 17,530,000 12,951,000 9,565,000 9,726,000 14,215,000 
        current portion of long-term debt
      89,000 148,000 186,000 233,000 232,000 231,000 229,000 228,000 229,000 228,000 227,000 226,000 225,000 224,000 223,000 222,000 221,000 220,000 219,000 217,000 216,000 215,000 214,000 195,000 195,000 211,000 210,000 209,000 208,000 207,000 206,000 205,000 204,000 203,000 202,000 201,000 200,000 199,000 198,000 197,000 196,000 195,000 194,000 193,000 182,000        1,071,000 2,143,000 3,214,000 4,286,000 4,285,000 4,286,000 4,286,000 4,286,000 4,286,000 4,286,000 4,286,000 4,286,000 4,286,000 4,286,000 4,286,000 6,171,000 6,171,000 6,171,000 6,171,000 6,171,000 6,171,000 6,171,000 6,171,000 6,171,000 6,171,000 6,171,000 7,285,000 4,286,000 4,286,000   
        other current liabilities
      104,872,000 109,908,000 90,991,000 94,689,000 103,012,000 87,044,000 76,435,000 88,171,000 88,446,000 81,147,000 89,502,000 91,604,000 90,616,000 79,566,000 89,827,000 100,684,000 101,243,000 86,837,000 88,655,000 92,814,000 94,589,000 74,687,000 65,910,000 72,646,000 71,712,000 54,303,000 54,494,000 52,488,000 49,102,000 44,825,000 41,480,000 46,935,000 53,911,000 57,720,000 48,875,000 55,119,000 62,501,000 46,350,000 51,866,000 55,405,000 55,651,000 47,971,000 48,255,000 56,105,000 64,343,000 59,030,000 60,972,000 73,943,000 65,173,000 54,204,000 57,132,000 59,816,000 65,259,000 45,724,000 39,141,000 33,428,000 44,781,000 45,502,000 33,428,000 38,072,000 38,072,000 42,880,000 40,445,000 27,049,000 25,922,000 36,295,000 29,981,000 29,631,000 31,958,000 33,008,000 29,362,000 33,058,000 43,458,000 36,784,000 38,946,000 27,978,000 26,964,000 28,776,000 21,766,000 25,931,000 23,619,000 20,515,000 14,743,000 
        total current liabilities
      163,673,000 165,287,000 148,425,000 143,592,000 150,244,000 144,887,000 129,849,000 125,816,000 123,737,000 129,278,000 141,971,000 136,108,000 133,048,000 132,788,000 148,585,000 160,942,000 173,814,000 161,402,000 147,782,000 138,240,000 144,156,000 114,836,000 102,387,000 102,395,000 107,217,000 87,821,000 84,801,000 82,131,000 86,819,000 82,451,000 83,024,000 80,094,000 98,671,000 104,522,000 90,123,000 92,037,000 102,957,000 90,803,000 84,597,000 87,870,000 96,652,000 84,537,000 87,555,000 95,112,000 111,085,000 109,323,000 109,620,000 116,367,000 112,525,000 108,158,000 103,034,000 102,092,000 123,232,000 111,518,000 93,017,000 77,131,000 80,438,000 88,608,000 77,131,000 82,313,000 82,313,000 79,319,000 87,697,000 69,596,000 63,524,000 67,082,000 63,814,000 66,316,000 64,420,000 59,187,000 55,591,000 72,529,000 82,447,000 70,922,000 70,972,000 58,813,000 51,502,000 53,917,000 46,581,000 43,168,000 37,470,000 30,241,000 28,958,000 
        pension benefits liabilities
      3,215,000 3,283,000 3,350,000 3,418,000 3,979,000 4,040,000 4,101,000 4,167,000 4,159,000 4,234,000 4,308,000 4,382,000 4,653,000 4,733,000 4,812,000 4,892,000 5,474,000 5,567,000 5,660,000 5,754,000 6,086,000 6,182,000 6,293,000 6,374,000 5,787,000 5,868,000 5,948,000 6,029,000 5,661,000 5,732,000 5,803,000 5,874,000 6,080,000 6,152,000 6,223,000 6,295,000 6,628,000 6,708,000 6,789,000 6,869,000 6,362,000 6,431,000 6,500,000 6,569,000 6,389,000 6,460,000 6,530,000 6,600,000 6,141,000 6,202,000 6,263,000 6,324,000 6,603,000 6,676,000 6,749,000 6,115,000 6,821,000 6,057,000 6,115,000 6,173,000 6,173,000 6,231,000 6,233,000 6,289,000 6,344,000 6,400,000 6,192,000 6,407,000 6,407,000 6,407,000 5,588,000 5,606,000 5,673,000 5,384,000 5,383,000 5,426,000 5,384,000 5,141,000 5,094,000 5,047,000 5,003,000 5,251,000 5,217,000 
        long-term debt
      114,816,000 114,804,000 114,792,000 114,810,000 114,856,000 114,903,000 114,948,000 114,994,000 115,029,000 115,075,000 115,120,000 115,164,000 115,209,000 115,253,000 115,297,000 115,341,000 115,384,000 115,428,000 115,471,000 115,514,000 115,557,000 115,599,000 115,641,000 115,682,000 115,723,000 115,765,000 115,805,000 115,846,000 115,885,000 116,466,000 116,518,000 116,570,000 116,622,000 116,673,000 116,724,000 116,775,000 116,826,000 116,876,000 116,926,000 116,976,000 117,025,000 117,075,000 117,124,000 117,173,000 117,222,000 117,270,000          2,143,000  1,071,000 2,143,000 3,214,000 3,214,000 4,285,000 5,357,000 6,428,000 7,500,000 8,571,000 9,643,000 16,369,000 17,912,000 19,454,000 20,997,000 24,082,000 25,625,000 27,168,000 43,711,000 30,253,000 31,796,000 33,339,000 34,881,000 24,643,000 25,714,000   
        operating lease liabilities
      18,796,000 19,528,000 16,722,000 17,354,000 16,572,000 17,063,000 14,824,000 15,541,000 16,134,000 16,936,000 17,746,000 17,689,000 18,119,000 18,659,000 19,161,000 19,810,000 20,688,000 17,170,000 17,679,000 18,301,000 19,369,000 20,174,000 24,863,000 25,862,000 26,333,000 25,919,000 25,323,000                                                         
        deferred income tax liabilities
      1,163,000 2,177,000 1,816,000 1,024,000 693,000 637,000 646,000 678,000 682,000 677,000 695,000 689,000 689,000 702,000 693,000 1,054,000 730,000 783,000 798,000 832,000 881,000 900,000 902,000 889,000 835,000 839,000 845,000 872,000 918,000 991,000 1,048,000 1,083,000 1,117,000 1,179,000 1,649,000 1,191,000 1,111,000 1,678,000 2,338,000                                             
        other noncurrent liabilities
      20,884,000 24,839,000 25,133,000 27,788,000 25,743,000 16,236,000 18,174,000 18,143,000 18,364,000 16,046,000 17,218,000 15,977,000 15,104,000 14,673,000 14,960,000 15,256,000 15,056,000 19,696,000 20,112,000 20,099,000 19,995,000 19,933,000 21,215,000 20,806,000 18,633,000 20,791,000 21,089,000 27,227,000 26,245,000 22,622,000 19,451,000 19,769,000 20,229,000 20,768,000 19,456,000 19,679,000 20,060,000 20,995,000 22,105,000 23,020,000 23,307,000 22,588,000 10,162,000 10,083,000 9,818,000 8,846,000 9,190,000 7,945,000 7,869,000 7,590,000 8,022,000 7,827,000 7,715,000 7,415,000 7,417,000 8,362,000 7,450,000 8,573,000 8,362,000 8,128,000 8,128,000 3,094,000 1,790,000 1,798,000 1,994,000 3,005,000 2,053,000 3,101,000 4,598,000 4,800,000 5,619,000 4,281,000 5,445,000 3,585,000 3,546,000 2,952,000 2,635,000 8,354,000 8,418,000 1,042,000 3,147,000 179,000 169,000 
        total liabilities
      322,547,000 329,918,000 310,238,000 307,986,000 312,087,000 297,766,000 282,542,000 279,339,000 278,105,000 282,246,000 297,058,000 290,009,000 286,822,000 286,808,000 303,508,000 317,295,000 331,146,000 320,046,000 307,502,000 298,740,000 306,044,000 277,624,000 271,301,000 272,008,000 274,528,000 257,003,000 253,811,000 232,105,000 235,528,000 228,262,000 225,844,000 223,390,000 242,719,000 249,294,000 234,175,000 235,977,000 247,582,000 237,060,000 232,755,000 247,998,000 256,769,000 243,864,000 239,924,000 247,908,000 263,199,000 262,839,000 137,243,000 143,904,000 140,534,000 135,925,000 132,034,000 131,658,000 146,359,000 135,325,000 116,805,000 105,429,000 104,693,000 114,767,000 105,429,000 110,261,000 110,261,000 105,479,000 112,024,000 94,857,000 90,823,000 95,874,000 91,133,000 101,109,000 103,847,000 100,239,000 99,730,000 118,695,000 130,976,000 117,890,000 133,283,000 107,480,000 101,177,000 100,751,000 94,974,000 73,900,000 71,334,000 35,671,000 34,344,000 
        shareholders' equity:
                                                                                         
        preferred stock of 1 par value - authorized 2,000 shares; no shares issued and outstanding
                                                                                         
        common stock of 1 par value - authorized 25,000 shares; 19,199, 19,162, and 19,167 shares issued, respectively
      19,199,000                                                                                   
        capital in excess of stated value
      117,974,000 116,002,000 113,268,000 113,042,000 110,523,000 107,869,000 104,995,000 104,369,000 102,752,000 101,060,000 98,628,000 98,508,000 96,627,000 94,834,000 93,079,000 94,006,000 92,516,000 90,711,000 89,006,000 86,495,000 85,257,000 84,206,000 78,026,000 77,686,000 76,188,000 74,645,000 71,706,000 71,684,000 70,566,000 69,772,000 68,710,000 68,465,000 67,587,000 66,625,000 63,191,000 63,006,000 61,709,000 59,002,000 57,548,000 57,338,000 56,766,000 55,908,000 55,287,000 55,184,000 54,268,000 53,618,000 52,650,000 52,866,000 51,896,000 50,794,000 49,288,000 49,764,000 48,392,000 47,036,000 44,995,000 40,736,000 43,140,000 41,580,000 40,736,000 39,446,000 39,446,000 39,058,000 34,162,000 32,954,000 31,942,000 30,756,000 30,515,000 29,972,000 29,240,000 28,944,000 28,304,000 26,818,000 26,352,000 25,489,000 15,353,000 12,924,000 11,734,000 9,074,000 8,173,000 7,667,000 5,896,000 5,144,000 4,500,000 
        retained earnings
      778,258,000 766,201,000 758,003,000 745,397,000 738,598,000 723,008,000 700,345,000 687,093,000 678,261,000 661,715,000 647,455,000 636,297,000 620,922,000 607,784,000 593,475,000 579,000,000 564,805,000 543,355,000 532,410,000 528,130,000 525,926,000 511,728,000 503,342,000 499,724,000 488,518,000 481,890,000 479,732,000 474,740,000 476,580,000 477,027,000 483,811,000 484,886,000 483,243,000 476,091,000 477,584,000 477,615,000 474,483,000 466,630,000 464,710,000 466,926,000 462,201,000 455,535,000 462,713,000 458,903,000 465,246,000 455,439,000 449,658,000 445,366,000 437,415,000 424,241,000 414,133,000 405,580,000 396,825,000 372,242,000 354,367,000 316,141,000 341,115,000 333,819,000 316,141,000 304,510,000 304,510,000 302,732,000 297,971,000 283,751,000 273,494,000 270,272,000 265,373,000 260,126,000 255,273,000 249,588,000 248,594,000 245,019,000 239,676,000 229,576,000 216,312,000 207,422,000 204,750,000 201,823,000 195,102,000 193,347,000 192,319,000 190,013,000 184,290,000 
        less treasury stock - at cost, 9,030, 8,300, and 8,363 shares, respectively
      -391,962,000                                                                                   
        accumulated other comprehensive loss
      -24,373,000 -26,925,000 -30,821,000 -33,532,000 -37,140,000 -32,494,000 -36,323,000 -30,001,000 -25,002,000 -21,625,000 -21,100,000 -21,010,000 -22,607,000 -22,199,000 -23,618,000 -21,473,000 -18,376,000 -19,351,000 -21,291,000 -17,933,000 -16,763,000 -18,662,000 -19,177,000 -20,572,000 -23,428,000 -20,888,000 -20,097,000 -19,847,000 -18,384,000 -16,588,000 -17,478,000 -18,088,000 -14,924,000 -11,259,000 -13,110,000 -12,108,000 -14,022,000 -13,584,000 -15,569,000 -14,172,000 -15,506,000 -17,419,000 -16,869,000 -15,308,000 -13,013,000 -10,408,000 -6,142,000 -2,201,000 -1,196,000  -1,411,000 -2,316,000 -1,054,000                               
        total shareholders' equity
      499,096,000 507,763,000 518,162,000 532,850,000 528,776,000 516,419,000 488,459,000 480,893,000 479,996,000 483,034,000 466,860,000 455,651,000 436,796,000 422,272,000 404,788,000 393,358,000 380,770,000 356,538,000 341,943,000 338,445,000 336,173,000 319,024,000 303,901,000 298,518,000 282,958,000 277,327,000 273,000,000 268,209,000 270,394,000 271,843,000 276,675,000 276,866,000 277,509,000 273,060,000 269,232,000 270,055,000 263,705,000 253,556,000 248,188,000                                             
        total liabilities and shareholders' equity
      821,643,000 837,681,000 828,400,000 840,836,000 840,863,000 814,185,000 771,001,000 760,232,000 758,101,000 765,280,000 763,918,000 745,660,000 723,618,000 709,080,000 708,296,000 710,653,000 711,916,000 676,584,000 649,445,000 637,185,000 642,217,000 596,648,000 575,202,000 570,526,000 557,486,000 534,330,000 526,811,000 500,314,000 505,922,000 500,105,000 502,519,000 500,256,000 520,228,000 522,354,000 503,407,000 506,032,000 511,287,000 490,616,000 480,943,000                                             
        common stock of 1 par value - authorized 25,000 shares; 19,198, 19,155, and 19,167 shares issued, respectively
       19,198,000                                                                                  
        less treasury stock - at cost, 8,802, 8,289, and 8,363 shares, respectively
       -366,713,000                                                                                  
        common stock of 1 par value - authorized 25,000 shares; 19,188, 19,145, and 19,167 shares issued, respectively
        19,188,000                                                                                 
        less treasury stock - at cost, 8,595, 8,277, and 8,363 shares, respectively
        -341,476,000                                                                                 
        intangible assets
         23,331,000    25,366,000    27,719,000    18,208,000    20,367,000    23,477,000    24,382,000    27,376,000    42,808,000    47,200,000    51,920,000    31,980,000    36,007,000                                
        common stock at 1 par value - authorized 25,000 shares; 19,167 and 19,124 shares issued at august 31, 2025 and 2024, respectively
         19,167,000                                                                                
        less treasury stock - at cost, 8,363 and 8,277 shares, respectively
         -311,224,000                                                                                
        common stock of 1 par value - authorized 25,000 shares; 19,162, 19,123, and 19,124 shares issued, respectively
          19,162,000                                                                               
        less treasury stock - at cost, 8,300, 8,237, and 8,277 shares, respectively
          -302,367,000                                                                               
        common stock of 1 par value - authorized 25,000 shares; 19,155, 19,122, and 19,124 shares issued, respectively
           19,155,000                                                                              
        less treasury stock - at cost, 8,289, 8,083, and 8,277 shares, respectively
           -301,119,000                                                                              
        common stock of 1 par value - authorized 25,000 shares; 19,145, 19,115, and 19,124 shares issued, respectively
            19,145,000                                                                             
        less treasury stock - at cost, 8,277, 8,083, and 8,277 shares, respectively
            -299,703,000                                                                             
        common stock at 1 par value - authorized 25,000 shares; 19,124 and 19,094 shares issued at august 31, 2024 and 2023, respectively
             19,124,000                                                                            
        less treasury stock - at cost, 8,277 and 8,083 shares, respectively
             -299,692,000                                                                            
        common stock of 1 par value - authorized 25,000 shares; 19,123, 19,092, and 19,094 shares issued, respectively
              19,123,000                                                                           
        less treasury stock - at cost, 8,237, 8,083, and 8,083 shares, respectively
              -295,138,000                                                                           
        common stock of 1 par value - authorized 25,000 shares; 19,122, 19,091, and 19,094 shares issued, respectively
               19,122,000                                                                          
        less treasury stock - at cost, 8,083 shares
               -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000 -277,238,000                                                    
        common stock of 1 par value - authorized 25,000 shares; 19,115, 19,090, and 19,094 shares issued, respectively
                19,115,000                                                                         
        common stock at 1 par value - authorized 25,000 shares; 19,094 and 19,063 shares issued at august 31, 2023 and 2022, respectively
                 19,094,000                                                                        
        common stock of 1 par value - authorized 25,000 shares; 19,092, 19,063, and 19,063 shares issued, respectively
                  19,092,000                                                                       
        common stock of 1 par value - authorized 25,000 shares; 19,091, 19,061, and 19,063 shares issued, respectively
                   19,091,000                                                                      
        common stock of 1 par value - authorized 25,000 shares; 19,090, 19,056, and 19,063 shares issued, respectively
                    19,090,000                                                                     
        common stock at 1 par value - authorized 25,000 shares; 19,063 and 18,991 shares issued at august 31, 2022 and 2021, respectively
                     19,063,000                                                                    
        common stock of 1 par value - authorized 25,000 shares; 19,063, 18,991, and 18,991 shares issued, respectively
                      19,063,000                                                                   
        common stock of 1 par value - authorized 25,000 shares; 19,061, 18,990, and 18,991 shares issued, respectively
                       19,061,000                                                                  
        common stock of 1 par value - authorized 25,000 shares; 19,056, 18,948, and 18,991 shares issued, respectively
                        19,056,000                                                                 
        common stock at 1 par value - authorized 25,000 shares; 18,991 and 18,918 shares issued at august 31, 2021 and 2020, respectively
                         18,991,000                                                                
        common stock of 1 par value - authorized 25,000 shares; 18,991, 18,918, and 18,918 shares issued, respectively
                          18,991,000                                                               
        common stock of 1 par value - authorized 25,000 shares; 18,990, 18,918, and 18,918 shares issued, respectively
                           18,990,000                                                              
        assets held-for-sale
                                2,744,000 2,744,000 2,744,000 2,744,000 2,744,000 10,837,000 51,516,000                                                   
        common stock of 1 par value - authorized 25,000 shares; 18,948, 18,897, and 18,918 shares issued, respectively
                            18,948,000                                                             
        common stock at 1 par value - authorized 25,000 shares; 18,918 and 18,870 shares issued at august 31, 2020 and 2019, respectively
                             18,918,000                                                            
        common stock of 1 par value - authorized 25,000 shares; 18,918, 18,870, and 18,870 shares issued, respectively
                              18,918,000 18,918,000                                                          
        common stock of 1 par value - authorized 25,000 shares; 18,897, 18,870, and 18,870 shares issued, respectively
                                18,897,000                                                         
        liabilities held-for-sale
                                     2,424,000 14,275,000                                                   
        common stock at 1 par value - authorized 25,000 shares; 18,870 and 18,841 shares issued at august 31, 2019 and 2018, respectively
                                 18,870,000                                                        
        preferred stock of 1 par value -
                                                                                         
        authorized 2,000 shares; no shares issued and outstanding
                                                                                         
        common stock of 1 par value - authorized 25,000 shares; 18,870, 18,841, and 18,841 shares issued, respectively
                                  18,870,000 18,870,000                                                      
        prepaid expenses
                                   4,948,000 3,199,000 3,883,000 4,132,000 5,339,000 3,555,000 4,384,000 4,944,000 5,208,000 3,295,000 3,671,000    5,197,000                                        
        common stock of 1 par value - authorized 25,000 shares; 18,870, 18,805, and 18,841 shares issued, respectively
                                    18,870,000                                                     
        common stock at 1 par value - authorized 25,000 shares; 18,841 and 18,780 shares issued at august 31, 2018 and 2017, respectively
                                     18,841,000                                                    
        common stock of 1 par value - authorized 25,000 shares; 18,841, 18,773, and 18,780 shares issued, respectively
                                      18,841,000                                                   
        less treasury stock - at cost, 8,083, 8,083, and 8,083 shares, respectively
                                      -277,238,000 -277,238,000 -277,238,000  -277,238,000                                               
        common stock of 1 par value - authorized 25,000 shares; 18,841, 18,746, and 18,780 shares issued, respectively
                                       18,841,000                                                  
        common stock of 1 par value - authorized 25,000 shares;
                                                                                         
        18,805, 18,737, and 18,780 shares issued, respectively
                                        18,805,000                                                 
        see accompanying notes to condensed consolidated financial statements.
                                                                                         
        restricted cash
                                             2,030,000                                            
        preferred stock of 1 par value - authorized 2,000 shares;
                                                                                         
        no shares issued and outstanding
                                                                                         
        common stock at 1 par value - authorized 25,000 shares;
                                                                                         
        18,780 and 18,713 shares issued at august 31, 2017 and 2016, respectively
                                         18,780,000                                                
        less treasury stock - at cost, 8,083 and 8,083 shares
                                                                                         
        at august 31, 2017 and 2016, respectively
                                         -277,238,000                                                
        see accompanying notes to consolidated financial statements.
                                                                                         
        18,773, 18,713, and 18,713 shares issued, respectively
                                          18,773,000                                               
        18,746, 18,713, and 18,713 shares issued, respectively
                                           18,746,000                                              
        less treasury stock - at cost, 8,083, 7,864, and 8,083 shares, respectively
                                           -277,238,000                                              
        18,737, 18,713, and 18,713 shares issued, respectively
                                            18,737,000                                             
        less treasury stock - at cost, 8,083, 7,531, and 8,083 shares, respectively
                                            -277,238,000                                             
        deferred income taxes
                                             15,349,000 14,519,000 13,980,000 12,305,000 15,807,000 16,922,000 16,224,000 17,107,000 17,714,000 14,748,000 13,916,000 13,469,000 12,705,000 11,810,000 9,110,000 8,171,000 8,336,000 9,505,000 9,399,000 8,336,000 8,980,000 8,980,000 8,598,000 6,798,000 5,457,000 5,740,000 6,722,000 5,974,000 6,645,000 6,877,000 6,881,000 8,591,000 7,754,000 8,095,000 7,054,000 6,644,000 5,645,000 6,108,000 5,869,000 5,172,000   4,441,000 3,948,000 
        liabilities and shareholders’ equity
                                                                                         
        shareholders’ equity:
                                                                                         
        common stock at 1 par value - authorized 25,000 shares; 18,713 and 18,684 shares issued at august 31, 2016 and 2015, respectively
                                             18,713,000                                            
        less treasury stock - at cost, 8,083 and 7,394 shares at august 31, 2016 and 2015, respectively
                                             -277,238,000                                            
        total shareholders’ equity
                                             251,567,000 244,936,000 251,619,000 281,692,000 288,560,000 314,695,000 335,941,000 352,834,000 382,647,000 398,037,000 394,694,000 389,669,000 380,638,000 371,762,000 347,157,000 326,073,000 288,171,000 310,838,000 302,181,000 288,171,000 273,821,000 273,821,000 275,665,000 265,782,000 248,400,000 234,943,000 229,607,000 223,346,000 220,057,000 216,489,000 207,658,000 204,590,000 193,731,000 195,901,000 183,596,000 159,195,000 147,490,000 141,028,000 134,893,000 125,872,000 123,710,000 120,900,000 117,676,000 111,854,000 
        total liabilities and shareholders’ equity
                                             499,565,000 501,705,000 495,483,000 521,616,000 536,468,000 577,894,000 598,780,000 490,077,000 526,551,000 538,571,000 530,619,000 521,703,000 512,296,000 518,121,000 482,482,000 442,878,000 393,600,000 415,531,000 416,948,000 393,600,000 384,082,000 384,082,000 381,144,000 377,806,000 343,257,000 325,766,000 325,481,000 314,479,000 321,166,000 320,336,000 307,897,000 304,320,000 312,426,000 326,877,000 301,486,000 292,478,000 254,970,000 242,205,000 235,644,000 220,846,000 197,610,000 192,234,000 153,347,000 146,198,000 
        property, plant and equipment:
                                                                                         
        property, plant and equipment
                                              79,160,000 78,916,000 78,989,000 78,656,000 76,854,000 75,663,000 70,901,000 72,457,000 65,029,000 65,446,000 65,252,000 65,064,000 56,906,000 56,869,000 56,085,000 57,236,000 56,180,000 56,143,000 57,236,000 56,975,000 56,975,000 58,465,000 57,279,000 58,141,000 56,794,000 57,646,000 56,379,000 57,414,000 59,949,000 59,641,000 56,964,000 55,669,000 57,571,000 56,657,000 54,679,000 47,286,000 44,292,000 37,843,000 36,629,000 27,157,000 26,981,000 17,489,000 17,551,000 
        other noncurrent assets, net of allowance of 0, 2,021 and 0, respectively
                                              6,153,000                                           
        common stock of 1 par value - authorized 25,000 shares; 18,713, 18,678 and 18,684 shares issued, respectively
                                              18,713,000                                           
        less treasury stock - at cost, 8,083, 7,174 and 7,394 shares, respectively
                                              -277,238,000                                           
        other noncurrent assets, net of allowance of 0, 2,007 and 0, respectively
                                               6,411,000                                          
        common stock of 1 par value - authorized 25,000 shares; 18,713, 18,675 and 18,684 shares issued, respectively
                                               18,713,000                                          
        less treasury stock - at cost, 7,864, 6,802 and 7,394 shares, respectively
                                               -261,118,000                                          
        other noncurrent assets, net of allowance of 0, 2,017, and 0, respectively
                                                6,824,000                                         
        common stock of 1 par value - authorized 25,000 shares; 18,713, 18,674, and 18,684 shares issued at november 30, 2015 and 2014 and august 31, 2015, respectively
                                                18,713,000                                         
        less treasury stock - at cost, 7,531, 6,578, and 7,394 shares at november 30, 2015 and 2014 and august 31, 2015, respectively
                                                -238,152,000                                         
        other noncurrent assets, net of allowance of 0 and 2,000, respectively
                                                 6,924,000                                        
        common stock at 1 par value - authorized 25,000 shares; 18,684 and 18,636 shares issued at august 31, 2015 and 2014, respectively
                                                 18,684,000                                        
        less treasury stock - at cost, 7,394 and 6,196 shares at august 31, 2015 and 2014, respectively
                                                 -228,903,000                                        
        other noncurrent assets, net of allowance of 2,021, 0, and 2,000, respectively
                                                  12,710,000                                       
        common stock of 1 par value - authorized 25,000 shares; 18,678, 18,636, and 18,636 shares issued at may 31, 2015 and 2014 and august 31, 2014, respectively
                                                  18,678,000                                       
        less treasury stock - at cost, 7,174, 5,906, and 6,196 shares at may 31, 2015 and 2014 and august 31, 2014, respectively
                                                  -210,484,000                                       
        other noncurrent assets, net of allowance of 2,007, 0, and 2,000, respectively
                                                   13,528,000                                      
        common stock of 1 par value - authorized 25,000 shares; 18,675, 18,633, and 18,636 shares issued at february 28, 2015 and 2014 and august 31, 2014, respectively
                                                   18,675,000                                      
        less treasury stock - at cost, 6,802, 5,777, and 6,196 shares at february 28, 2015 and 2014 and august 31, 2014, respectively
                                                   -181,383,000                                      
        other noncurrent assets, net of allowance of 2,017, 0, and 2,000, respectively
                                                    10,299,000                                     
        common stock of 1 par value - authorized 25,000 shares; 18,674, 18,620, and 18,636 shares issued at november 30, 2014 and 2013 and august 31, 2014, respectively
                                                    18,674,000                                     
        less treasury stock - at cost, 6,578, 5,698, and 6,196 shares at november 30, 2014 and 2013 and august 31, 2014, respectively
                                                    -162,006,000                                     
        other noncurrent assets, net of allowance of 2,000 and 0, respectively
                                                     11,035,000                                    
        preferred stock of 1 par value—authorized 2,000 shares; no shares issued and outstanding
                                                                                         
        common stock at 1 par value—authorized 25,000 shares; 18,636 and 18,571 shares issued at august 31, 2014 and 2013, respectively
                                                     18,636,000                                    
        less treasury stock—at cost, 6,196 and 5,698 shares at august 31, 2014 and 2013, respectively
                                                     -132,020,000                                    
        common stock of 1 par value—authorized 25,000 shares; 18,636, 18,560, and 18,571 shares issued at may 31, 2014 and 2013 and august 31, 2013, respectively
                                                      18,636,000                                   
        less treasury stock—at cost, 5,906, 5,698, and 5,698 shares at may 31, 2014 and 2013 and august 31, 2013, respectively
                                                      -108,714,000                                   
        preferred stock of 1 par value-
                                                                                         
        authorized 2,000 shares; no shares issued
                                                                                         
        common stock of 1 par value-
                                                                                         
        authorized 25,000 shares; 18,633 issued
                                                       18,633,000                                  
        less treasury stock
                                                       -97,566,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -90,961,000 -91,998,000 -91,998,000 -92,796,000 -92,796,000 -93,275,000 -95,190,000 -95,190,000 -95,749,000 -95,749,000 -96,547,000 -96,547,000 -96,547,000 -96,547,000 -96,547,000  
        accumulated other comprehensive income
                                                       -1,408,000    287,000 -859,000 3,846,000 -877,000 -670,000 3,846,000 2,429,000 2,429,000 6,462,000 6,341,000 4,399,000 2,226,000 1,355,000 234,000 2,735,000 5,800,000 2,995,000 2,367,000 -3,403,000 5,093,000 5,667,000 4,874,000 5,097,000 2,549,000 2,845,000 1,458,000 1,565,000 1,632,000 1,482,000 2,038,000 
        authorized 2,000 shares; none issued
                                                                                         
        authorized 25,000 shares; 18,620 issued
                                                        18,620,000                                 
        common stock at 1 par value - authorized 25,000 shares; 18,571 and 18,421 shares issued at august 31, 2013 and 2012, respectively
                                                         18,571,000                                
        preferred stock of 1 par value- authorized 2,000 shares; none issued
                                                                                         
        common stock of 1 par value- authorized 25,000 shares; 18,560 issued
                                                          18,560,000                               
        authorized 25,000 shares; 18,553 issued
                                                           18,553,000                              
        common stock of 1 par value- authorized 25,000 shares; 18,531 issued
                                                            18,531,000                             
        other intangible assets
                                                             26,839,000 25,070,000 25,709,000 26,839,000 27,494,000 27,494,000 28,639,000 27,430,000 27,807,000 28,078,000 27,715,000 26,728,000 27,842,000 29,045,000 29,100,000 28,383,000 29,195,000 30,808,000 31,943,000 32,608,000 27,713,000 25,830,000 26,410,000 26,870,000 20,704,000 20,998,000   
        preferred stock,
                                                                                         
        common stock,
                                                             18,409,000 18,421,000 18,413,000 18,409,000 18,397,000 18,397,000 18,374,000 18,269,000 18,257,000 18,242,000 18,185,000 18,185,000 18,185,000 18,174,000 18,129,000 18,121,000 18,093,000 18,055,000 18,054,000   17,744,000   17,678,000 17,600,000 17,584,000 17,573,000 
        notes payable
                                                                            1,595,000             
        long-term marketable securities
                                                                                   478,000 473,000 4,378,000 5,778,000 10,857,000 10,925,000 
        receivables
                                                                                73,597,000 60,437,000  55,507,000 52,136,000 46,539,000  42,387,000 35,999,000 
        common stock
                                                                                 17,796,000        
        17,846,114, 17,685,792 and 17,744,458 shares issued and outstanding in february 2008 and 2007 and august 2007, respectively
                                                                                17,846,000         
        17,698,208, 17,584,031 and 17,600,686 shares issued and outstanding in may 2007 and 2006 and august 2006, respectively)
                                                                                   17,698,000      
        17,685,792, 17,573,531 and 17,600,686 shares issued and outstanding in february 2007 and 2006 and august 2006, respectively)
                                                                                    17,686,000     
        less treasury stock (at cost, 6,048,448, 5,862,569 and 6,048,448 shares, respectively
                                                                                        -96,547,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-05-31 2026-02-28 2025-11-30 2025-08-31 2025-05-31 2025-02-28 2024-11-30 2024-08-31 2024-05-31 2024-02-29 2023-11-30 2023-08-31 2023-05-31 2023-02-28 2022-11-30 2022-08-31 2022-05-31 2022-02-28 2021-11-30 2021-08-31 2021-05-31 2021-02-28 2020-11-30 2020-08-31 2020-05-31 2020-02-29 2019-11-30 2019-08-31 2019-05-31 2019-02-28 2018-11-30 2018-08-31 2018-05-31 2018-02-28 2017-11-30 2017-08-31 2017-05-31 2017-02-28 2016-11-30 2016-08-31 2016-05-31 2016-02-29 2015-11-30 2015-08-31 2015-05-31 2015-02-28 2014-11-30 2014-08-31 2014-05-31 2014-02-28 2013-11-30 2013-08-31 2013-05-31 2013-02-28 2012-11-30 2012-08-31 2012-05-31 2012-02-29 2011-11-30 2011-09-30 2011-08-31 2011-05-31 2011-02-28 2010-11-30 2010-08-31 2010-05-31 2010-02-28 2009-11-30 2009-08-31 2009-05-31 2009-02-28 2008-11-30 2008-08-31 2008-02-29 2007-11-30 2007-05-31 2007-02-28 2006-11-30 2006-05-31 2006-02-28 
                                                                                        
          cash flows from operating activities:
                                                                                        
          net earnings
        15,820,000 12,045,000 16,524,000 10,813,000 19,500,000 26,575,000 17,164,000 12,736,000 20,379,000 18,123,000 15,019,000 19,229,000 16,881,000 18,052,000 18,217,000 17,929,000 25,073,000 14,566,000 7,901,000 5,804,000 17,797,000 11,876,000 7,095,000 14,674,000 10,094,000 5,516,000 8,345,000 1,503,000 2,897,000 -3,440,000 1,212,000 4,978,000 10,379,000 1,735,000 3,185,000 6,342,000 10,952,000 5,012,000 873,000 7,808,000 9,644,000 -4,129,000 6,944,000 -3,181,000 12,927,000 8,995,000 7,568,000 11,329,000 16,499,000 13,450,000 10,234,000 10,428,000 26,063,000 19,351,000 14,728,000 8,759,000 18,823,000 12,774,000 2,921,000 2,921,000 5,902,000 15,289,000 11,325,000 4,286,000 5,959,000 6,248,000 5,978,000 6,677,000 2,082,000 5,269,000 150,000 6,322,000 11,252,000 14,046,000 4,366,000 11,772,000 4,295,000 1,783,000 8,643,000 2,228,000 
          adjustments to reconcile net earnings to net cash from operating activities:
                                                                                        
          depreciation and amortization
        5,885,000 5,850,000 5,312,000 5,189,000 5,099,000 5,196,000 5,412,000 5,353,000 5,273,000 5,267,000 5,307,000 4,816,000 4,771,000 4,824,000 4,871,000 5,248,000 5,018,000 5,016,000 4,896,000 4,489,000 4,810,000 4,738,000 5,140,000 5,250,000 4,728,000 4,670,000 4,748,000 3,566,000 3,563,000 3,465,000 3,424,000 3,663,000 4,252,000 4,264,000 4,335,000 4,341,000 4,217,000 4,085,000 4,035,000 4,110,000 4,235,000 4,241,000 4,295,000 4,264,000 4,131,000 4,269,000 3,748,000 3,662,000 3,747,000 3,677,000 3,707,000 3,220,000 3,140,000 3,110,000 3,130,000 3,084,000 3,149,000 3,110,000 3,125,000 3,125,000 2,914,000 2,940,000 2,954,000 2,926,000 2,683,000 2,677,000 2,669,000 2,681,000 2,525,000 2,606,000 2,625,000 2,686,000  4,299,000 2,131,000 5,356,000 3,296,000 1,531,000 2,585,000 1,661,000 
          provision for uncollectible accounts receivable
        257,000 196,000 -252,000 487,000 1,141,000 35,000 62,000 373,000 72,000 178,000 71,000 -104,000 151,000 130,000 704,000 169,000 412,000 231,000 91,000 467,000 58,000 88,000 158,000 123,000 253,000 -35,000 248,000 230,000 -411,000 -156,000 -159,000 -180,000 -2,635,000 116,000 112,000 -166,000 201,000 -354,000 -255,000 318,000 -58,000 -1,256,000 153,000 5,271,000 151,000 249,000 169,000 1,334,000 273,000 176,000 442,000 41,000 972,000 331,000 199,000 149,000 101,000 82,000 47,000  140,000 60,000 167,000 21,000 164,000 301,000 118,000 149,000 353,000 114,000 64,000 27,000 97,000 -96,000 -68,000 40,000 -2,000 10,000 66,000 36,000 
          deferred income taxes
        -1,592,000 5,663,000 1,477,000 953,000 -3,171,000 -804,000 1,589,000 -1,391,000 -3,992,000 3,154,000 -1,666,000  -1,363,000 -1,314,000 1,129,000 -2,577,000 -2,538,000 1,211,000 1,841,000 1,706,000 -1,000 66,000 140,000 1,357,000 -1,779,000 -181,000 1,987,000 -3,130,000 -2,451,000 -847,000 742,000 637,000 244,000 -3,042,000 2,111,000 480,000 -3,090,000 166,000 1,541,000 -1,018,000 -574,000 -6,223,000 2,060,000 1,819,000 -1,569,000 802,000 -774,000 -4,503,000 -996,000 -1,331,000 -1,365,000 2,067,000 -3,200,000 -1,322,000 -782,000 31,000 -2,600,000 1,297,000 -2,596,000 -2,596,000 -827,000 -1,426,000 -497,000 -78,000 -510,000 778,000 -1,321,000 -447,000 671,000 -1,579,000 -656,000 338,000 -639,000 -52,000 281,000 28,000 848,000 392,000 -1,272,000 -239,000 
          share-based compensation expense
        1,867,000 1,653,000 1,370,000 2,088,000 2,017,000 1,977,000 1,977,000 1,505,000 1,552,000 1,732,000 1,603,000 1,754,000 1,686,000 1,616,000 1,473,000 1,397,000 1,650,000 1,189,000 1,222,000 1,165,000 974,000 2,464,000 1,583,000 1,498,000 1,543,000 1,415,000 1,160,000 969,000 823,000 1,100,000 1,303,000 949,000 1,055,000 886,000 1,001,000 800,000 983,000 880,000 935,000 620,000 906,000 628,000 906,000 733,000 548,000 952,000 1,099,000 989,000 1,027,000 1,011,000 1,180,000 1,121,000 1,101,000 1,132,000 1,219,000 1,328,000 782,000 931,000 898,000 898,000                     
          unrealized foreign currency transaction gain
        369,000 -409,000 -248,000              -643,000                                                                
          other
        857,000 -1,241,000 413,000 -176,000 -2,371,000 95,000 -217,000 213,000 87,000 77,000 73,000 995,000 220,000 65,000 289,000 50,000 18,000 335,000 292,000 2,382,000 -3,927,000 1,768,000 36,000 -129,000 2,213,000 -1,012,000 374,000 995,000 1,079,000 -40,000 -1,053,000 2,430,000 428,000 -569,000 614,000 400,000 820,000 -982,000 388,000 -666,000 -1,073,000 180,000 1,648,000 739,000 545,000 2,013,000 1,368,000 -35,000 -680,000 494,000 -244,000 -1,190,000 32,000 -13,000 157,000 827,000 -455,000 -427,000 1,014,000 1,014,000 515,000 29,000 -255,000 -81,000 -1,000 206,000 8,000 -93,000 285,000 703,000 302,000 67,000 -51,000 -11,000 -30,000 45,000 65,000 78,000 3,000 -61,000 
          changes in assets and liabilities:
                                                                                        
          receivables
        -874,000 -5,697,000 -15,123,000 35,960,000 7,694,000 -33,764,000 -6,442,000 15,371,000 17,456,000 -11,038,000 1,689,000 10,916,000 12,865,000 -8,879,000 -19,828,000 15,851,000 -22,079,000 -23,470,000 -17,816,000 11,399,000 -12,165,000 -19,665,000 8,896,000 1,856,000 -5,663,000 -1,594,000 -4,122,000 18,402,000 -8,214,000 -3,375,000 -14,782,000 26,112,000 -6,742,000 -16,558,000 -6,526,000 13,696,000 -8,447,000 -7,726,000 10,436,000 1,974,000 -1,484,000 -7,723,000 2,503,000 17,228,000 -1,887,000 -6,231,000 1,792,000 7,737,000 8,004,000 10,618,000 -1,608,000 12,818,000 -26,495,000 -16,439,000 -6,441,000 12,581,000 -20,301,000 -12,000 162,000 162,000 8,700,000 -11,189,000 -14,566,000 4,429,000 -6,199,000 -5,070,000 -3,212,000 -7,813,000 14,613,000 3,442,000 23,754,000 1,507,000 -6,309,000 -22,715,000 -12,114,000 -12,033,000 -9,048,000 -8,415,000 -12,790,000 -6,448,000 
          inventories
        -1,284,000 4,170,000 -8,993,000 15,233,000 6,276,000 3,549,000 -5,968,000 16,353,000 -5,115,000 -4,033,000 -7,970,000 15,665,000 11,275,000 9,211,000 4,803,000 -4,594,000 -6,797,000 -10,738,000 -31,674,000 -9,546,000 -12,367,000 -7,951,000 -8,294,000 9,726,000 -9,612,000 -9,222,000 -4,931,000 -1,720,000 7,779,000 -10,859,000 -11,387,000 74,000 6,992,000 -6,567,000 -8,672,000 3,125,000 -5,849,000 -1,627,000 -5,741,000 9,062,000 362,000 -4,345,000 -3,749,000 2,159,000 2,339,000 1,764,000 -5,347,000 6,970,000 2,498,000 -5,584,000 -6,608,000 9,878,000 4,929,000 -10,486,000 -14,341,000 9,283,000 5,329,000 -10,656,000 -9,565,000 -9,565,000 3,504,000 2,673,000 -869,000 -7,134,000 3,107,000 -340,000 -4,162,000 2,222,000 9,974,000 14,715,000 5,721,000 -22,684,000 6,733,000 -15,071,000 -11,612,000 -15,494,000 -15,147,000 -7,775,000 -5,298,000 -6,824,000 
          other current assets
        -6,860,000 -1,428,000 303,000 2,606,000 -6,264,000 1,623,000 1,251,000 225,000 -2,759,000 -9,771,000 2,762,000 292,000 2,766,000 -1,891,000 3,526,000 -449,000 4,210,000 -8,506,000 5,965,000 5,893,000 -4,533,000 -6,424,000 -3,068,000 69,000 -2,142,000 -2,073,000 -2,466,000 -373,000          375,000 3,000,000 378,000 354,000 -2,761,000 982,000 -1,424,000 87,000 -1,134,000 -1,513,000 503,000 -1,195,000 -1,969,000 -431,000 3,658,000 -3,490,000 -3,865,000 -357,000 730,000 427,000 -870,000 -928,000 -928,000 1,499,000 -2,167,000 -1,245,000 483,000 265,000 -1,372,000 -1,318,000 -437,000 -397,000 503,000 947,000 -44,000 917,000 -1,748,000 -983,000 -2,362,000 -2,153,000 -660,000 -949,000 -1,392,000 
          accounts payable
        2,768,000 -188,000 5,251,000 1,105,000 -10,675,000 4,029,000 16,656,000 2,634,000 -12,384,000 -3,295,000 7,087,000 2,679,000 -11,775,000 -6,301,000 123,000 -12,487,000 -2,438,000 16,295,000 12,462,000 -2,835,000 9,866,000 3,676,000 7,286,000 -6,076,000 1,845,000 2,815,000 725,000 -6,953,000 670,000 -5,515,000 13,917,000 -1,742,000 -7,827,000 5,086,000 4,642,000 -4,106,000 -3,744,000 11,511,000 415,000 -8,553,000 3,699,000 -2,980,000 733,000 -6,549,000 -3,566,000 2,478,000 7,300,000 -5,124,000 -6,921,000 8,066,000 3,356,000 -16,015,000 -6,863,000 12,856,000 19,210,000 -7,401,000 328,000 -979,000 8,775,000 8,775,000 -10,661,000 4,196,000 4,695,000 6,550,000 -3,700,000 -308,000 4,831,000 5,916,000 1,327,000 -7,721,000 -7,850,000 2,128,000 5,665,000 5,059,000 4,424,000 5,090,000 3,810,000    
          other current liabilities
        -3,508,000 3,514,000 -7,522,000 -10,428,000 11,485,000 4,499,000 -9,978,000 -2,661,000 9,647,000 -10,923,000 -4,263,000 2,730,000 13,688,000 -13,655,000 -11,898,000 -636,000 9,139,000 -4,685,000 -3,632,000 -1,716,000 19,815,000 7,480,000 -7,146,000 2,188,000 16,668,000 -282,000 -1,901,000 6,707,000 5,714,000 -2,686,000 -7,106,000 -6,387,000 4,745,000 11,469,000 -6,156,000 -5,451,000 12,869,000 -5,903,000 -2,232,000 -250,000 5,240,000 1,049,000 -6,322,000 -3,127,000 2,404,000 -613,000 -8,131,000 8,181,000 6,183,000 576,000 -5,986,000 -3,655,000 12,902,000 9,727,000 -4,396,000 -5,000 7,073,000 -2,271,000 -6,399,000 -6,399,000 5,581,000 10,519,000 473,000 -8,350,000 4,156,000 877,000 -193,000 -3,452,000 2,750,000 3,463,000 -6,689,000 -6,489,000 4,240,000 6,897,000 161,000 1,021,000 -2,431,000 -637,000 6,714,000 1,223,000 
          other noncurrent assets and liabilities
        -7,045,000 435,000 891,000 295,000 4,328,000 -680,000 608,000 3,429,000 146,000 966,000 2,081,000 938,000 -1,051,000 386,000 1,356,000 5,053,000 -108,000 -812,000 -7,920,000 -4,813,000 385,000 -1,810,000 3,750,000 2,032,000 -3,632,000 -2,552,000 -2,626,000 434,000 2,879,000 2,231,000 -792,000 -2,629,000 -602,000 969,000 399,000 -2,700,000 -1,035,000 -1,176,000 -947,000 -372,000 556,000 12,447,000 -614,000 -354,000 434,000 -379,000 1,857,000 -6,213,000 208,000 643,000 111,000 -309,000 263,000 454,000 -181,000 -1,367,000 251,000 492,000 5,200,000 5,200,000 -440,000 266,000 -376,000 -967,000 -350,000 -559,000 -185,000 -769,000 -801,000 1,032,000 115,000 225,000 1,661,000 -3,885,000 -2,873,000 -449,000 151,000 -628,000 406,000 292,000 
          net cash from operating activities
        6,660,000 24,563,000 -597,000 64,036,000 34,994,000 12,277,000 21,603,000 53,111,000 30,514,000 -9,736,000 21,872,000 60,539,000 51,281,000 3,205,000 4,682,000 27,982,000 10,917,000 -11,672,000 -24,179,000 13,308,000 19,532,000 -4,245,000 15,373,000 30,071,000 18,148,000 -3,726,000 1,541,000 23,425,000 20,219,000 -25,531,000 -14,316,000 25,759,000 17,072,000 -3,927,000 -4,970,000 14,983,000 13,744,000 2,618,000 8,104,000 12,823,000 25,276,000 -13,477,000 8,450,000 13,297,000 19,801,000 9,889,000 5,695,000 25,879,000 33,472,000 26,519,000 5,928,000 16,619,000 14,694,000 12,735,000 13,457,000 26,543,000 21,031,000 -1,342,000 6,207,000 6,207,000 14,780,000 24,360,000 1,742,000 2,173,000 9,045,000 3,725,000 1,540,000 9,523,000 33,234,000 26,273,000 14,315,000 -16,327,000 34,149,000 -10,417,000 -15,147,000 -4,377,000 -17,462,000 -11,855,000 2,269,000 -1,379,000 
          capital expenditures
        -8,053,000 -12,985,000 -14,476,000 -9,333,000 -9,776,000 -9,142,000 -4,754,000 -11,832,000 -6,941,000 -6,061,000 -3,424,000 -3,798,000 -5,296,000 -3,865,000 -3,061,000 -5,976,000 -10,942,000 -5,614,000 -6,933,000 -1,013,000 -4,322,000 -3,001,000 -8,509,000 -6,000,000 -5,701,000 -4,134,000 -2,205,000 -2,724,000 -1,991,000 -2,644,000 -2,025,000 -1,390,000 -2,681,000 -2,687,000 -4,705,000 -4,016,000 -4,652,000 -2,927,000 -3,649,000 -9,879,000 -2,483,000 -2,966,000 -2,387,000 -2,987,000 -2,807,000 -3,127,000 -2,215,000 -2,317,000 -2,850,000 -2,091,000 -2,632,000 -2,632,000 -3,090,000 -913,000 -2,918,000 -1,484,000 -1,822,000 -1,977,000 -549,000 -1,436,000 -4,352,000 -972,000 -2,901,000 -2,275,000 -3,073,000 -7,269,000 -4,502,000 -6,671,000 -4,446,000 -1,232,000 -2,713,000 -1,772,000 
          free cash flows
        -1,393,000 11,578,000 -15,073,000 64,036,000 25,661,000 2,501,000 12,461,000 53,111,000 25,760,000 -21,568,000 14,931,000 60,539,000 45,220,000 -219,000 884,000 27,982,000 5,621,000 -15,537,000 -27,240,000 13,308,000 13,556,000 -15,187,000 9,759,000 30,071,000 11,215,000 -4,739,000 -2,781,000 20,424,000 11,710,000 -31,531,000 -20,017,000 21,625,000 14,867,000 -6,651,000 -6,961,000 12,339,000 11,719,000 2,618,000 6,714,000 12,823,000 22,595,000 -16,164,000 3,745,000 9,281,000 15,149,000 6,962,000 2,046,000 16,000,000 30,989,000 23,553,000 3,541,000 13,632,000 11,887,000 9,608,000 11,242,000 24,226,000 18,181,000 -3,433,000 3,575,000 3,575,000 11,690,000 23,447,000 -1,176,000 689,000 7,223,000 1,748,000 991,000 8,087,000 28,882,000 25,301,000 11,414,000 -18,602,000 31,076,000 -17,686,000 -19,649,000 -11,048,000 -21,908,000 -13,087,000 -444,000 -3,151,000 
          cash flows from investing activities:
                                                                                        
          purchases of property, plant, and equipment
        -8,053,000 -12,985,000 -14,476,000  -9,333,000 -9,776,000 -9,142,000  -4,754,000 -11,832,000 -6,941,000  -6,061,000 -3,424,000 -3,798,000  -5,296,000 -3,865,000 -3,061,000  -5,976,000 -10,942,000 -5,614,000  -6,933,000 -1,013,000 -4,322,000 -3,001,000 -8,509,000 -6,000,000 -5,701,000 -4,134,000 -2,205,000 -2,724,000 -1,991,000 -2,644,000 -2,025,000                                            
          purchases of marketable securities
               -2,050,000 -12,992,000                                                                     
          purchase of equity method investment
           2,000                                                                            
          proceeds from settlement of net investment hedge
           835,000                                                          -47,000   859,000         
          payments for settlement of net investment hedge
           -98,000                                                                          
          other investing activities
        132,000 -86,000 -1,152,000 -888,000 121,000 -158,000 -401,000 -624,000 -1,600,000 53,000 -593,000 549,000 -3,185,000 -830,000 -384,000 2,097,000 22,000 -2,632,000 -342,000 1,383,000 -1,100,000      24,000 -3,000 22,000 30,000 8,000 -159,000 104,000 63,000 74,000 96,000 1,000 2,000 134,000 23,000 45,000 324,000 749,000 633,000 830,000                                    
          net cash from investing activities
        -9,667,000 -13,071,000 -15,628,000 -131,000 -9,212,000 -30,425,000 -8,806,000 6,448,000 -1,559,000 -12,629,000 -18,201,000 -28,478,000 -13,228,000 -1,529,000 -4,182,000 1,100,000 5,566,000 -1,458,000 -14,158,000 -2,652,000 -7,281,000 -11,844,000 -5,842,000 -9,601,000 -9,897,000 -15,810,000 -3,206,000 -3,004,000 -7,769,000 -5,715,000 -4,731,000 27,772,000 -3,223,000 -3,452,000 -2,992,000 -5,003,000 -2,490,000 -1,071,000 -1,415,000 -541,000 -4,843,000 -277,000 -4,237,000 -6,214,000 -46,000 -71,236,000 -2,089,000 -8,922,000 -2,670,000 -3,597,000 -3,287,000 -32,438,000 -1,396,000 -3,939,000 -3,308,000 -620,000 -3,161,000 -912,000 -2,156,000 -2,156,000 -7,826,000 -1,436,000 -2,908,000 -3,454,000 -6,735,000 -1,947,000 471,000 -1,476,000 -7,432,000 -953,000 -2,901,000 -1,410,000 -1,884,000 -1,266,000 11,388,000 -25,899,000 -22,429,000 -11,401,000 4,056,000 3,776,000 
          cash flows from financing activities:
                                                                                        
          repurchase of common shares
        -25,249,000 -25,237,000 -30,252,000 -8,857,000 -1,248,000                                   -16,120,000 -22,966,000 -9,249,000 -18,419,000 -29,101,000 -19,377,000 -29,986,000 -23,306,000 -11,148,000                                
          dividends paid
        -3,763,000 -3,847,000 -3,918,000 -4,014,000 -3,910,000 -3,912,000 -3,912,000 -3,904,000 -3,833,000 -3,863,000 -3,861,000 -3,854,000 -3,743,000 -3,743,000 -3,742,000 -3,734,000 -3,623,000 -3,621,000 -3,621,000 -3,600,000 -3,599,000 -3,490,000 -3,477,000 -3,468,000 -3,466,000 -3,359,000 -3,352,000 -3,343,000 -3,344,000 -3,344,000 -3,344,000 -3,335,000 -3,227,000 -3,228,000 -3,216,000 -3,210,000 -3,099,000 -3,092,000 -3,089,000 -3,083,000 -2,978,000 -3,049,000 -3,134,000 -3,162,000 -3,120,000 -3,214,000 -3,276,000 -3,378,000 -3,325,000 -3,342,000 -1,681,000 -1,673,000 -1,480,000 -1,476,000 -1,476,000 -1,463,000 -1,145,000 -1,143,000 -1,143,000 -1,143,000 -1,141,000 -1,068,000 -1,069,000 -1,064,000 -1,060,000 -1,001,000 -998,000 -992,000 -990,000 -923,000 -921,000 -920,000 -916,000 -1,659,000 -826,000 -2,268,000 -1,512,000 -755,000 -2,074,000 -1,382,000 
          common stock withheld for payroll tax obligations
        -1,253,000 -1,450,000 -1,575,000 -2,471,000 -1,181,000 -1,269,000 -1,111,000 -4,000 -1,120,000 -5,000 -828,000                                              
          proceeds from exercise of stock options
          313,000 526,000         73,000 379,000 2,442,000 73,000 78,000 3,758,000 56,000   177,000 2,656,000 132,000 565,000 1,808,000   41,000 72,000 138,000 190,000   84,000   255,000 162,000 537,000 1,082,000                          
          other financing activities
        47,000 248,000 51,000 66,000 58,000 196,000 52,000 57,000 84,000 173,000 56,000                                                                      
          net cash from financing activities
        -28,965,000 -28,031,000 -35,372,000 -12,492,000 -4,574,000 -4,475,000 -5,310,000 -8,401,000 -21,649,000 -3,211,000 -5,380,000 -3,780,000 -3,691,000 -3,658,000 -6,170,000 -3,696,000 -3,521,000 -3,154,000 -2,321,000 -3,581,000 -3,574,000 215,000 -4,725,000 -3,521,000 -3,536,000 -1,866,000 -4,515,000 -3,395,000 -3,510,000 -3,399,000 -4,338,000 -3,386,000 -3,277,000 -627,000 -3,962,000 -2,695,000 -1,340,000 -2,494,000 -3,773,000 -3,132,000 -19,146,000    -32,032,000 91,785,000 -34,460,000 -26,664,000 -14,342,000 -9,346,000 -3,243,000 -2,440,000 -2,268,000 -1,565,000 -1,722,000 -2,224,000 -2,123,000 -1,798,000 -2,658,000 -2,658,000 487,000 -848,000 -1,331,000 -1,713,000 -2,764,000 -9,267,000 -1,432,000 -2,732,000 -3,254,000 -3,330,000 438,000 -3,649,000  13,211,000 -1,689,000 8,751,000 11,908,000 -486,000 -1,880,000 -1,289,000 
          effect of exchange rate changes on cash and cash equivalents
        621,000 3,028,000 644,000 3,045,000 2,865,000 601,000 -4,300,000 -500,000 -500,000 -390,000 335,000 897,000 -460,000 489,000 -210,000 -2,095,000 -156,000 516,000 -1,730,000 -769,000 1,349,000 -153,000 593,000 1,980,000 -3,513,000 1,764,000 -114,000 -661,000 -879,000 206,000 -185,000 -1,137,000 -1,004,000 767,000 -246,000 1,123,000 473,000 714,000 -1,104,000 598,000 689,000 31,000 -1,021,000 -627,000 -870,000 -2,560,000 -1,701,000 -502,000 82,000 130,000 478,000 -29,000 -398,000 179,000 302,000                          
          net change in cash and cash equivalents
        -31,351,000 -13,511,000 -50,953,000 54,458,000 24,073,000 -22,022,000 3,187,000 50,658,000 6,806,000 -25,966,000 -1,374,000 29,178,000 33,902,000 -1,493,000 -5,880,000 23,291,000 12,806,000 -15,768,000 -42,388,000 6,306,000 10,026,000 -16,027,000 5,399,000 18,929,000 1,202,000 -19,638,000 -6,294,000 16,365,000 8,061,000 -34,439,000 -23,570,000 49,008,000 9,568,000 -7,239,000 -12,170,000 8,408,000 10,387,000 -233,000 1,812,000 9,748,000 1,976,000 -39,738,000 -9,833,000 -14,925,000 -13,147,000 27,878,000 -32,555,000 -10,209,000 16,542,000 13,706,000 -124,000 -18,288,000 10,632,000 7,410,000 8,729,000                          
          cash and cash equivalents, beginning of period
        250,575,000 190,879,000 160,755,000 105,048,000 127,107,000 121,403,000 127,204,000 160,787,000 121,620,000 101,246,000 139,093,000 171,842,000 151,927,000 143,444,000 108,167,000 108,167,000 83,418,000 85,929,000 50,760,000 21,022,000 21,022,000 43,344,000 43,344,000 43,344,000 25,564,000 25,564,000 
          cash and cash equivalents, end of period
        -31,351,000 -13,511,000 199,622,000 54,458,000 24,073,000 -22,022,000 194,066,000 50,658,000 6,806,000 -25,966,000 159,381,000 29,178,000 33,902,000 -1,493,000 99,168,000 23,291,000 12,806,000 -15,768,000 84,719,000 6,306,000 10,026,000 -16,027,000 126,802,000 18,929,000 1,202,000 -19,638,000 120,910,000 16,365,000 8,061,000 -34,439,000 137,217,000 49,008,000 9,568,000 -7,239,000 109,450,000 8,408,000 10,387,000 -233,000 103,058,000 9,748,000 1,976,000 -39,738,000 129,260,000 -14,925,000 -13,147,000 27,878,000 139,287,000 -10,209,000 16,542,000 13,706,000 151,803,000 -18,288,000 10,632,000 7,410,000 152,173,000 23,659,000 14,832,000 -3,778,000 108,731,000 108,731,000 7,599,000 22,120,000 -2,087,000 80,535,000 -91,000 -8,126,000 -115,000 91,750,000 22,717,000 22,073,000 12,841,000 28,298,000 31,692,000 24,328,000 17,324,000 22,774,000 15,346,000 19,699,000 30,088,000 26,907,000 
          foreign currency transaction loss
                              -203,000 -2,530,000                                                         
          purchases of property, plant and equipment
                                              -1,390,000  -2,681,000 -2,687,000 -4,705,000 -4,016,000 -4,652,000 -2,927,000 -3,649,000 -9,879,000 -2,483,000 -2,966,000 -2,387,000 -2,987,000 -2,807,000 -3,127,000 -2,215,000 -2,317,000 -2,850,000 -2,091,000 -2,632,000 -2,632,000 -3,090,000 -913,000 -2,918,000 -1,484,000 -1,822,000 -1,977,000 -549,000 -1,436,000 -4,352,000 -972,000 -2,901,000 -2,275,000 -3,073,000 -7,269,000 -4,502,000 -6,671,000 -4,446,000 -1,232,000 -2,713,000 -1,772,000 
          purchases of marketable securities available-for-sale
                          -14,354,000 -6,289,000 -4,754,000 -4,469,000 -3,844,000 -4,652,000 -3,411,000                                                -13,860,000 -13,860,000 -66,800,000 -60,300,000 -44,245,000   
          proceeds from maturities of marketable securities available-for-sale
                          3,599,000 6,233,000 4,549,000 4,427,000 3,616,000 4,228,000 3,070,000                                                40,995,000 33,265,000 64,905,000 59,680,000    
          acquisition of business, net of cash acquired
                                                  -2,345,000                -4,901,000 -1,279,000 -6,304,000 -132,000     -21,154,000       
          supplemental cash flow information
                                                                                        
          income taxes paid
                                   1,609,000 402,000 5,323,000 553,000 5,097,000 3,946,000 1,928,000 213,000 7,442,000 1,539,000 4,172,000 3,061,000 4,787,000 1,971,000                                        
          interest paid
                      47,000 1,791,000 -279,000 2,248,000 51,000 2,238,000 55,000 2,270,000 77,000 2,264,000 75,000 2,267,000 67,000 2,292,000 50,000 2,246,000 83,000 2,268,000 57,000 2,178,000 123,000 2,273,000 40,000 2,286,000 97,000 2,261,000 61,000                                        
          unrealized foreign currency transaction loss
              -511,000  152,000 -173,000 79,000  1,167,000 961,000 -83,000    2,193,000  -1,180,000                                                            
          proceeds from maturities of marketable securities
                4,795,000 1,200,000 2,325,000  950,000    10,840,000                                                                
          unrealized foreign currency transaction
                                                                                        
          repurchase of common stock
               -4,554,000                                                                         
          proceeds from employee stock purchase plan
                   98,000 108,000 140,000 98,000 93,000 84,000 142,000 93,000                                                              
          principal payments on long-term debt
                   -56,000 -56,000 -55,000 -55,000 -55,000 -55,000 -54,000 -54,000 -54,000 -53,000 -53,000 -35,000 -53,000 -70,000 -52,000 -52,000 -52,000 -51,000 -51,000 -51,000 -51,000 -50,000 -50,000 -50,000 -50,000 -49,000 -49,000 -49,000 -49,000 -48,000 -48,000 -48,000 -37,000 -59,000       -1,071,000 -1,072,000 -1,070,000 -1,072,000 -1,072,000 -1,072,000 -1,071,000 -1,071,000 -1,071,000 -1,072,000 -1,071,000 -1,072,000 -1,071,000 -1,072,000 -8,611,000 -1,543,000 -1,543,000 -1,543,000 -1,617,000 -1,468,000 -1,543,000 -1,543,000 -3,085,000 -1,543,000 -3,686,000     
          noncash investing activities
                                                                                        
          issuance of notes receivable from sale of business
                                                                                        
          supplemental cash flow information:
                                                                                        
          income taxes paid, net of refunds
                      3,935,000  4,502,000 2,586,000 341,000  532,000 1,979,000 418,000  616,000 2,350,000 -56,000                                                      
          proceeds from sale of assets held-for-sale
                                                                                      
          earn-out liability related to business acquisition
                                                                                        
          holdback related to business acquisition
                                                                                        
          loss on sale of business
                                    234,000 67,000                                                  
          valuation adjustment for indirect tax credits
                                                                                        
          payment of debt issuance costs
                                                                                       
          gain on sale of assets held-for-sale
                                                                                       
          proceeds from sale of property and equipment held-for-sale
                                                                                        
          noncash investing activities:
                                                                                        
          proceeds from settlement of net investment hedges
                               411,000 1,092,000 800,000 500,000 962,000 2,177,000 101,000 63,000   1,064,000 2,086,000 231,000 110,000 4,053,000 1,421,000 1,889,000 965,000 179,000 101,000                              
          loss on sale of property and equipment
                                                                                        
          loss on sale of businesses
                                                                                        
          proceeds from sale of businesses
                                                                                        
          payments for settlement of net investment hedges
                                   -82,000   -1,122,000 -791,000 -1,176,000 -2,518,000 -466,000 -323,000 -159,000 -205,000 -2,207,000 -512,000 -596,000 -277,000 -329,000 -23,000 -171,000 -811,000 -1,035,000                              
          issuance of note receivable from sale of business
                                                                                        
          see accompanying notes to consolidated financial statements.
                                                                                        
          prepaid expenses and other current assets
                                     -5,409,000 298,000 -179,000 760,000 -1,716,000 -15,000 1,326,000                                             
          loss on businesses held-for-sale
                                                                                        
          adjustments to reconcile net earnings to net cash provided by operating activities:
                                                                                        
          see accompanying notes to condensed consolidated financial statements.
                                                                                        
          asset write-down
                                                                                        
          current taxes payable
                                                          3,140,000 -5,443,000 5,340,000 -2,101,000 1,312,000 -1,456,000 8,124,000 -4,813,000 3,553,000 3,553,000 -3,180,000 2,378,000 -713,000 -812,000 3,002,000 -269,000 -1,722,000 4,276,000 -784,000 3,160,000 -4,649,000 -867,000 6,846,000 1,582,000 604,000 928,000 -2,172,000 -1,277,000 -300,000 -251,000 
          proceeds from issuance of long-term debt
                                                                              15,000,000       
          issuance costs related to debt
                                                   -2,000 61,000                                    
          adjustments to reconcile net earnings to net cash provided by operating activities:
                                                                                        
          common stock withheld for payroll tax withholdings
                                            -635,000 7,000 -719,000 -3,000 -4,000 -1,699,000 -2,027,000 -2,441,000                          
          current income taxes payable
                                             -1,643,000 -4,344,000  3,469,000 -2,605,000 -1,089,000  3,257,000 -3,546,000 -3,441,000  4,825,000                                
          excess tax benefits from share-based compensation
                                               53,000 101,000 9,000 501,000 20,000 47,000 230,000 465,000 49,000 122,000 444,000 2,185,000 131,000 -17,000 138,000 135,000 135,000                     
          asset impairment
                                                                                       
          net cash used financing activities
                                                  -13,025,000                                      
          net cash from (used) in financing activities
                                                                                        
          proceeds from sale of property, plant and equipment
                                                       15,000 -16,000 1,000 34,000 1,000 7,000   9,000    23,000 4,000 10,000 43,000 29,000 30,000 455,000 92,000 -4,000 19,000 6,000 65,000 22,000 5,000 40,000 31,000 16,000 111,000 81,000 
          acquisitions of business, net of cash acquired
                                                                                        
          (payment) proceeds for settlement of net investment hedge
                                                            1,404,000 -826,000 -1,093,000                          
          benefit from uncollectible accounts receivable
                                                                   47,000                     
          proceeds (payment) for settlement of net investment hedge
                                                               1,688,000 -311,000 1,072,000 476,000 476,000                     
          issuance of common stock under share-based compensation plans
                                                               180,000 111,000 855,000 -579,000 -579,000                     
          common stock withheld from share-based compensation for payroll tax withholdings
                                                                                      
          net borrowing on revolving line of credit
                                                                     823,000                   
          effect of exchange rate changes on cash
                                                               -40,000 -915,000 274,000 -829,000 -829,000 158,000 44,000 410,000 111,000 363,000 -637,000 -694,000 506,000 169,000 83,000 989,000 -1,076,000 -589,000 1,778,000 1,750,000 955,000 -15,000 97,000 79,000 235,000 
          net decrease in cash and cash equivalents
                                                                               -22,462,000   -3,698,000   -23,645,000   
          proceeds from note receivable
                                                                                        
          net increase in cash and cash equivalents
                                                               23,659,000   564,000 564,000 7,599,000 22,120,000 -2,087,000 -2,883,000 -91,000 -8,126,000 -115,000 5,821,000 22,717,000 22,073,000    3,306,000  -20,570,000 -27,998,000  4,524,000 1,343,000 
          stock-based compensation expense
                                                                    1,090,000 798,000 653,000 933,000 451,000 573,000 569,000 613,000 636,000 566,000 481,000 457,000 1,132,000 1,303,000 572,000 1,669,000 1,023,000 431,000 1,298,000 741,000 
          issuance of common stock under stock compensation plans
                                                                    2,493,000 277,000 153,000 -187,000                 
          excess tax benefits from stock-based compensation
                                                                    1,419,000 191,000 268,000 609,000 -292,000 58,000 310,000 23,000 4,000 -11,000 328,000 -262,000 2,357,000 373,000 -205,000 -197,000 93,000   
          gain on disposal of fixed assets
                                                                     -6,000 -4,000 -33,000                 
          payment for settlement of net investment hedge
                                                                     -527,000 -734,000                 
          loss on disposal of fixed assets
                                                                        18,000                
          proceeds from issuance of common stock under stock compensation plan
                                                                        5,000   781,000 156,000 366,000 116,000 1,705,000 598,000 307,000      
          net borrowing (payments) on revolving line of credit
                                                                                        
          net payments on revolving line of credit
                                                                               -1,630,000         
          exercise of stock options and issuance of other stock awards
                                                                           -507,000             
          net (payments) borrowings on revolving line of credit
                                                                                        
          net borrowings on revolving line of credit
                                                                             -950,000           
          depreciation and amortization.
                                                                                        
          amortization of marketable securities premiums
                                                                                -15,000 -4,000 35,000 26,000 18,000   
          gain on sale of property, plant and equipment
                                                                                -1,000 -10,000 -2,000      
          proceeds from sale of an equity investment
                                                                                      354,000  
          net borrowings under revolving line of credit
                                                                                        
          net cash from in financing activities
                                                                                        
          adjustments to reconcile net earnings to net cash from (provided by) operating activities:
                                                                                        
          acquisition of business
                                                                                  -3,520,000 -17,373,000 -17,394,000    
          loss on sale of property, plant and equipment
                                                                                   -23,000 -23,000 -17,000 37,000 30,000 
          equity in net earnings of equity method investments
                                                                                      -4,000 -4,000 
          proceeds from maturities or sales of marketable securities available-for-sale
                                                                                     34,060,000 6,304,000 5,113,000 
          proceeds from issuance of common stock under stock option plan
                                                                                   1,714,000 1,451,000 1,247,000 194,000 93,000 
          repurchases of common stock
                                                                                        
          sale of an equity method investment
                                                                                        
          proceeds from issuance of long term debt
                                                                                   13,196,000     
          sale of equity investment
                                                                                        
          principal payments on long-term borrowing
                                                                                    -2,143,000 -1,071,000   
          increase in borrowing
                                                                                    14,309,000    
          accounts payable, trade
                                                                                     3,311,000 2,952,000 7,503,000 
          stock option tax benefits
                                                                                        
          equity in net losses of equity method investments
                                                                                        
          purchases of marketable securities held-to-maturity
                                                                                        
          proceeds from maturities or sales of marketable securities held-to-maturity
                                                                                        
          proceeds from issuance of debt
                                                                                        
          amortization of marketable securities
                                                                                      178,000 126,000 
          sale of an equity investment
                                                                                       354,000