7Baggers

Olympic Steel, Inc
(NASDAQ:ZEUS) 

ZEUS stock logo

Olympic Steel, Inc. processes and distributes metal products in the United States and internationally. It operates in three segments: Carbon Flat Products; Specialty Metals Flat Products; and Tubular and Pipe Products. The Carbon Flat Products segment sells and distributes processed carbon and coate...

Founded: 1954
Full Time Employees: 1,551
Sector: Basic Materials
Industry: Steel

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    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 
                                                                                      
      net sales
    490,655,000 496,483,000 492,941,000 418,784,000 469,996,000 526,250,000 526,642,000 489,408,000 526,411,000 569,268,000 573,076,000 520,044,000 634,437,000 709,176,000 696,333,000 624,586,000 668,466,000 556,077,000 463,124,000 331,547,000 299,921,000 248,296,000 354,380,000 319,740,000 384,230,000 429,151,000 445,919,000 429,590,000 456,976,000 452,917,000 375,598,000 308,166,000 331,442,000 356,195,000 334,893,000 254,904,000 268,255,000 273,608,000 258,349,000 237,505,000 276,922,000 315,251,000 345,865,000 326,693,000 376,617,000 386,047,000 346,913,000  338,064,000 291,724,000 342,560,000 367,365,000 382,052,000 319,944,000 348,547,000 299,000,000 294,381,000 215,201,000 209,185,000 212,756,000 167,901,000 138,497,000 121,599,000 122,426,000 140,873,000 253,634,000 335,222,000 363,514,000 274,875,000  792,907,000 277,413,000 259,405,000 226,061,000 259,917,000 256,155,000 238,871,000 204,812,000 208,358,000 241,482,000 284,558,000  
      yoy
    4.40% -5.66% -6.40% -14.43% -10.72% -7.56% -8.10% -5.89% -17.03% -19.73% -17.70% -16.74% -5.09% 27.53% 50.36% 88.39% 122.88% 123.96% 30.69% 3.69% -21.94% -42.14% -20.53% -25.57% -15.92% -5.25% 18.72% 39.40% 37.88% 27.15% 12.15% 20.89% 23.55% 30.18% 29.63% 7.33% -3.13% -13.21% -25.30% -27.30% -26.47% -18.34% -0.30%  11.40% 32.33% 1.27%  -11.51% -8.82% -1.72% 22.86% 29.78% 48.67% 66.62% 40.54% 75.33% 55.38% 72.03% 73.78% 19.19% -45.39% -63.73% -66.32% -48.75%  -57.72% 31.04% 5.96%  205.06% 8.30% 8.60% 10.37% 24.75% 6.08% -16.06%      
      qoq
    -1.17% 0.72% 17.71% -10.90% -10.69% -0.07% 7.61% -7.03% -7.53% -0.66% 10.20% -18.03% -10.54% 1.84% 11.49% -6.56% 20.21% 20.07% 39.69% 10.54% 20.79% -29.94% 10.83% -16.78% -10.47% -3.76% 3.80% -5.99% 0.90% 20.59% 21.88% -7.02% -6.95% 6.36% 31.38% -4.98% -1.96% 5.91% 8.78% -14.23% -12.16% -8.85% 5.87% -13.26% -2.44% 11.28%   15.88% -14.84% -6.75% -3.84% 19.41% -8.21% 16.57% 1.57% 36.79% 2.88% -1.68% 26.72% 21.23% 13.90% -0.68% -13.09% -44.46% -24.34% -7.78% 32.25%   185.82% 6.94% 14.75% -13.03% 1.47% 7.24% 16.63% -1.70% -13.72% -15.14%   
      costs and expenses
                                                                                      
      cost of materials sold
    373,029,000 374,679,000 374,500,000 313,262,000 363,144,000 406,547,000 407,538,000 375,675,000 414,480,000 441,872,000 452,636,000 430,811,000 527,466,000 560,546,000 555,107,000 497,818,000 520,866,000 428,704,000 354,665,000 260,373,000 239,967,000 196,237,000 282,522,000 251,130,000 311,104,000 351,494,000 366,382,000 356,754,000 365,362,000 356,061,000 294,777,000 248,366,000 265,351,000 283,041,000 258,454,000 203,495,000 211,037,000 205,688,000 199,820,000 188,265,000 218,172,000 255,838,000 279,939,000 268,342,000 305,080,000 311,421,000 275,467,000  266,154,000 234,792,000 276,504,000 295,878,000 306,678,000 257,824,000 281,058,000 238,618,000 230,962,000 176,722,000 171,730,000 169,410,000 132,536,000 192,766,000 91,391,000 97,661,000  214,234,000 247,184,000 260,581,000 208,607,000  639,466,000 221,729,000 212,031,000    191,713,000 157,065,000 175,056,000  235,135,000  
      warehouse and processing
    36,425,000 36,336,000 34,619,000 30,915,000 31,719,000 33,243,000 32,893,000 31,087,000 28,954,000 31,522,000 30,649,000 25,599,000 27,397,000 27,624,000 24,048,000 26,864,000 26,208,000 26,539,000 23,407,000 20,918,000 19,471,000 19,626,000 23,076,000 23,519,000 25,204,000 25,123,000 25,611,000 24,986,000 25,330,000 23,813,000 23,436,000 16,467,500 20,531,000 21,838,000 23,501,000 17,960,000 20,034,000 21,035,000 20,492,000 16,380,000 21,261,000 21,722,000 22,537,000 17,517,750 24,926,000 23,785,000 21,360,000  20,506,000 20,497,000 21,667,000 21,003,000 21,222,000 20,997,000 19,471,000 16,371,000 15,590,000 14,421,000 13,436,000 13,049,000 10,572,000 10,337,000 9,748,000 9,436,000 10,342,000 14,360,000 16,607,000 17,651,000 15,764,000  43,617,000 14,272,000 13,675,000 13,863,000 16,250,000 13,657,000 11,637,000 10,503,000 10,266,000 10,064,000 10,628,000  
      administrative and general
    31,132,000 31,272,000 31,374,000 25,499,000 28,226,000 29,167,000 30,152,000 31,192,000 26,181,000 31,681,000 33,185,000 25,484,000 26,929,000 31,969,000 29,622,000 30,289,000 24,811,000 26,463,000 23,054,000 18,874,000 16,507,000 17,011,000 19,059,000 18,786,000 18,552,000 19,396,000 20,129,000 19,515,000 21,197,000 21,523,000 18,872,000 13,174,750 16,647,000 17,887,000 18,165,000 15,000,000 16,003,000 16,011,000 16,040,000 12,321,750 15,943,000 16,014,000 17,330,000 13,835,500 18,260,000 18,146,000 18,937,000  18,149,000 15,606,000 16,765,000 17,508,000 18,374,000 15,817,000 16,461,000 13,667,000 13,211,000 10,633,000 9,388,000 10,327,000 8,885,000 8,773,000 7,855,000 7,383,000 9,945,000 8,717,000 17,524,000 19,242,000 13,109,000  31,428,000 11,271,000 10,264,000 8,465,000 10,631,000 9,743,000 9,304,000 8,962,000 6,950,000 7,044,000 9,273,000  
      distribution
    18,660,000 18,542,000 18,932,000 16,366,000 16,881,000 17,462,000 16,758,000 15,448,000 16,342,000 17,448,000 17,741,000 13,916,000 15,131,000 16,441,000 15,041,000 13,318,000 14,424,000 14,099,000 13,562,000 11,595,000 11,226,000 9,618,000 12,289,000 10,989,000 11,840,000 12,495,000 12,835,000 12,270,000 12,552,000 13,386,000 12,139,000 7,876,750 10,574,000 10,568,000 10,365,000 8,728,000 8,995,000 9,560,000 9,207,000 6,954,750 8,950,000 9,568,000 9,301,000 7,946,750 10,941,000 10,990,000 9,856,000  8,974,000 8,049,000 8,682,000 9,219,000 9,059,000 8,062,000 8,080,000 6,139,000 6,208,000 5,095,000 5,176,000 5,080,000 4,057,000 4,094,000 3,806,000 3,906,000 3,674,000 5,363,000 7,047,000 8,634,000 7,042,000  19,367,000 6,464,000 6,309,000 5,790,000 6,393,000 6,953,000 6,248,000 5,733,000 5,279,000 5,024,000 5,135,000  
      selling
    11,679,000 11,497,000 12,477,000 11,185,000 10,721,000 13,201,000 11,536,000 11,063,000 9,587,000 10,389,000 10,397,000 8,269,000 10,589,000 10,494,000 10,822,000 11,473,000 12,155,000 9,787,000 8,466,000 7,187,000 6,130,000 5,923,000 6,810,000 7,080,000 6,999,000 7,420,000 7,340,000 7,312,000 7,373,000 7,107,000 7,228,000 4,951,000 6,797,000 6,496,000 6,511,000 5,699,000 5,629,000 6,045,000 5,687,000 4,026,500 5,315,000 4,900,000 5,891,000 4,826,250 6,304,000 6,483,000 6,518,000  6,586,000 6,646,000 7,085,000 6,763,000 7,141,000 6,803,000 7,209,000 5,127,000 5,804,000 4,957,000 6,164,000 4,804,000 3,877,000 3,143,000 2,855,000 2,594,000 3,522,000 3,618,000 5,195,000 5,899,000 4,890,000  11,856,000 4,185,000 3,781,000 3,443,000 3,009,000 3,597,000 3,436,000 3,008,000 3,032,000 4,761,000 4,037,000  
      occupancy
    4,490,000 4,569,000 4,949,000 4,220,000 4,262,000 4,293,000 4,493,000 4,068,000 3,797,000 4,111,000 4,544,000 3,147,000 3,173,000 3,291,000 3,589,000 3,549,000 3,029,000 2,776,000 3,145,000 2,307,000 2,256,000 2,439,000 2,660,000 2,400,000 2,308,000 2,466,000 2,798,000 2,228,000 2,348,000 2,297,000 2,555,000 1,662,750 2,150,000 2,191,000 2,310,000 2,088,000 2,135,000 2,158,000 2,337,000 1,803,000 2,196,000 2,306,000 2,710,000 1,911,000 2,348,000 2,426,000 2,870,000  2,599,000 2,176,000 2,057,000 2,115,000 2,323,000 2,089,000 2,297,000 1,667,000 1,826,000 1,380,000 1,297,000 1,243,000 1,399,000 1,297,000 1,188,000 1,299,000 1,716,000 1,700,000 1,484,000 1,862,000 1,952,000  4,687,000 1,451,000 1,753,000 1,501,000 1,240,000 1,272,000 1,691,000 1,100,000 990,000 1,139,000 1,499,000  
      depreciation
    6,237,000 6,559,000 6,482,000 6,963,000 5,740,000 5,839,000 6,006,000 6,215,000 5,008,000 5,245,000 5,077,000 4,519,000 4,062,000 4,354,000 4,350,000 4,395,000 4,243,000 4,664,000 4,650,000 4,514,000 4,347,000 4,559,000 4,516,000 4,475,000 4,292,000 4,488,000 4,431,000 4,504,000 3,953,000 4,164,000 4,024,000 3,129,000 3,883,000 4,319,000 4,314,000 4,365,000 4,172,000 4,550,000 4,509,000 3,406,750 4,409,000 4,628,000 4,590,000 3,834,750 4,418,000 5,466,000 5,454,000  5,293,000 5,335,000 4,953,000 4,913,000 4,770,000 4,189,000 4,434,000 3,512,000 3,467,000 3,528,000 3,270,000 3,259,000 3,246,000 3,094,000 2,897,000 2,965,000 2,719,000 2,749,000 2,384,000 2,316,000 2,284,000  6,527,000 2,170,000 2,182,000 2,160,000 2,092,000 2,096,000 2,008,000 2,015,000 1,960,000 2,030,000 2,018,000  
      amortization
    1,739,000 1,656,000 1,815,000 1,372,000 1,494,000 1,388,000 1,328,000 1,369,000 1,177,000 1,228,000 1,124,000 625,000 604,000 592,000 632,000 600,000 570,000 608,000 585,000 409,000 380,000 368,000 397,000 346,000 350,000 329,000 319,000 247,000 247,000 247,000 222,000 166,750 223,000 222,000 222,000 222,000 223,000 222,000 222,000 166,750 223,000 222,000 222,000 166,750 223,000 222,000 222,000  222,000 222,000 223,000 222,000 222,000 222,000 222,000                            
      total costs and expenses
    483,391,000 485,110,000 485,148,000 409,782,000 462,187,000 511,140,000 510,704,000 476,117,000 505,526,000 543,496,000 555,353,000 512,370,000 615,351,000 655,311,000 643,211,000 588,306,000 606,306,000 513,640,000 431,534,000 326,177,000 300,284,000 255,781,000 351,329,000 318,725,000 380,649,000 423,211,000 439,845,000 427,816,000 438,362,000 428,598,000 363,253,000 249,140,000 326,156,000 346,562,000 323,842,000 257,557,000 268,228,000 265,269,000 258,314,000 239,659,500 276,469,000 339,649,000 342,520,000 273,030,750 372,500,000 378,939,000 340,684,000  328,483,000 299,906,000 337,936,000 357,621,000 369,789,000 316,003,000 339,232,000 285,101,000 277,068,000 216,736,000 210,461,000 207,172,000 164,572,000 142,441,000 119,740,000 175,698,000 182,843,000 250,741,000 297,425,000 316,185,000 253,648,000  756,948,000 261,542,000 249,995,000 219,468,000 241,166,000 240,113,000 226,037,000 176,700,750 203,533,000    
      operating income
    7,264,000 11,373,000 7,793,000 9,002,000 7,809,000 15,110,000 15,938,000 13,291,000 20,885,000 25,772,000 17,723,000 7,674,000 19,086,000 53,865,000 53,122,000 36,280,000 62,160,000 42,437,000 31,590,000 5,370,000 -363,000 -7,485,000 3,051,000 1,015,000 3,581,000 5,940,000 6,074,000 1,774,000 18,614,000 24,319,000 12,345,000 -1,984,000 5,286,000 9,633,000 11,051,000 -2,653,000 27,000 8,339,000 35,000 -7,179,000 453,000 -24,398,000 3,345,000 -26,662,000 4,117,000 7,108,000 6,229,000  9,581,000 -8,182,000 4,624,000 9,744,000 12,263,000 3,941,000 9,315,000 13,899,000 17,313,000 -1,535,000 -1,276,000 5,584,000 3,329,000 -3,944,000 1,859,000 -53,272,000 -41,970,000 2,893,000 37,797,000 47,329,000 21,227,000  35,959,000 15,871,000 9,410,000 6,593,000 18,751,000 16,042,000 12,834,000 16,426,000 4,825,000 5,937,000 16,833,000  
      yoy
    -6.98% -24.73% -51.10% -32.27% -62.61% -41.37% -10.07% 73.20% 9.43% -52.15% -66.64% -78.85% -69.30% 26.93% 68.16% 575.61% -17223.97% -666.96% 935.40% 429.06% -110.14% -226.01% -49.77% -42.78% -80.76% -75.57% -50.80% -189.42% 252.14% 152.46% 11.71% -25.22% 19477.78% 15.52% 31474.29% -63.04% -94.04% -134.18% -98.95% -73.07% -89.00% -443.25% -46.30%  -57.03% -186.87% 34.71%  -21.87% -307.61% -50.36% -29.89% -29.17% -356.74% -830.02% 148.91% 420.07% -61.08% -168.64% -110.48% -107.93% -236.33% -95.08% -212.56% -297.72%  5.11% 198.21% 125.58%  91.77% -1.07% -26.68% -59.86% 288.62% 170.20% -23.76%      
      qoq
    -36.13% 45.94% -13.43% 15.28% -48.32% -5.20% 19.92% -36.36% -18.96% 45.42% 130.95% -59.79% -64.57% 1.40% 46.42% -41.63% 46.48% 34.34% 488.27% -1579.34% -95.15% -345.33% 200.59% -71.66% -39.71% -2.21% 242.39% -90.47% -23.46% 96.99% -722.23% -137.53% -45.13% -12.83% -516.55% -9925.93% -99.68% 23725.71% -100.49% -1684.77% -101.86% -829.39% -112.55% -747.61% -42.08% 14.11%   -217.10% -276.95% -52.55% -20.54% 211.16% -57.69% -32.98% -19.72% -1227.88% 20.30% -122.85% 67.74% -184.41% -312.16% -103.49% 26.93% -1550.74% -92.35% -20.14% 122.97%   126.57% 68.66% 42.73% -64.84% 16.89% 25.00% -21.87% 240.44% -18.73% -64.73%   
      operating margin %
    1.48% 2.29% 1.58% 2.15% 1.66% 2.87% 3.03% 2.72% 3.97% 4.53% 3.09% 1.48% 3.01% 7.60% 7.63% 5.81% 9.30% 7.63% 6.82% 1.62% -0.12% -3.01% 0.86% 0.32% 0.93% 1.38% 1.36% 0.41% 4.07% 5.37% 3.29% -0.64% 1.59% 2.70% 3.30% -1.04% 0.01% 3.05% 0.01% -3.02% 0.16% -7.74% 0.97% -8.16% 1.09% 1.84% 1.80% NaN% 2.83% -2.80% 1.35% 2.65% 3.21% 1.23% 2.67% 4.65% 5.88% -0.71% -0.61% 2.62% 1.98% -2.85% 1.53% -43.51% -29.79% 1.14% 11.28% 13.02% 7.72% NaN% 4.54% 5.72% 3.63% 2.92% 7.21% 6.26% 5.37% 8.02% 2.32% 2.46% 5.92%  
      other loss
    14,000 27,000 21,000 27,000 26,000 21,000 19,000 11,000 28,000 28,000 11,000 83,000 -17,000   -12,000 -15,000     -26,000    -59,000    -93,000 46,000   -28,000 26,000   -58,000                                             
      income before interest and income taxes
    7,250,000 11,346,000 7,772,000 8,975,000 7,783,000 15,089,000 15,919,000 13,280,000 20,857,000 25,744,000 17,712,000 7,667,000 19,069,000 53,850,000 53,116,000 36,268,000 62,145,000 42,438,000 31,580,000 5,365,000 -388,000 -7,511,000 3,034,000 1,016,000 3,593,000 5,881,000 6,088,000 1,589,000 18,631,000 24,226,000 12,299,000 6,473,500 5,264,000 9,605,000 11,025,000 -2,666,000 48,000 8,281,000 30,000 -5,185,250 369,000 -24,424,000 3,314,000 4,358,000 4,097,000 7,104,000 6,231,000  9,604,000 -8,225,000 4,675,000 9,749,000 12,297,000 3,002,000 9,224,000                            
      interest and other expense on debt
    4,144,000 3,956,000 4,182,000 4,178,000 3,880,000 4,393,000 4,010,000 3,627,000 3,953,000 4,203,000 4,223,000 2,804,000 3,007,000 2,271,000 1,998,000 2,013,000 1,947,000 2,017,000 1,655,000 1,588,000 1,693,000 1,891,000 2,239,000 2,304,000 2,569,000 3,174,000 3,242,000 3,102,000 2,923,000 2,670,000 1,986,000 2,138,000 1,966,000 1,788,000 1,626,000 1,378,000 1,336,000 1,274,000 1,285,000 1,251,000 1,405,000 1,471,000 1,563,000 1,646,000 1,602,000 1,779,000 1,754,000  1,698,000 1,946,000 2,120,000  2,108,000 2,085,000 2,237,000 826,000 805,000 676,000 602,000 521,000 506,000 356,000 567,000 1,051,000 243,000 611,000 350,000 160,000 27,000  2,520,000 853,000 1,027,000 1,280,000 898,000 345,000 154,000 273,000 742,000 1,380,000 1,308,000  
      income before income taxes
    3,106,000 7,390,000 3,590,000 4,797,000 3,903,000 10,696,000 11,909,000 9,653,000 16,904,000 21,541,000 13,489,000 4,863,000 16,062,000 51,579,000 51,118,000 34,255,000 60,198,000 40,421,000 29,925,000 3,777,000 -2,081,000 -9,402,000 795,000 -1,288,000 1,024,000 2,707,000 2,846,000 -1,513,000 15,708,000 21,556,000 10,313,000 -4,164,000 3,298,000 7,817,000 9,399,000 -4,044,000 -1,288,000 7,007,000 -1,255,000 -8,414,000 -1,036,000 -25,895,000 1,751,000 -28,412,000 2,495,000 5,325,000 4,477,000  7,906,000 -10,171,000 2,555,000 7,566,000 10,189,000 917,000 6,987,000 13,073,000 16,508,000 -2,211,000 -1,878,000 5,063,000 2,823,000 -4,300,000 1,292,000 -54,323,000 -42,213,000 2,282,000 37,447,000 47,169,000 21,200,000  33,439,000 15,018,000 8,383,000 5,313,000 17,853,000 13,667,000 12,573,000 12,149,000 3,519,000 4,757,000 15,768,000  
      income tax provision
    952,000 2,153,000 1,081,000 908,000 1,169,000 3,036,000 3,212,000 2,245,000 4,674,000 6,522,000 3,617,000 904,000 4,016,000 13,955,000 13,816,000 9,394,000 15,665,000 10,772,000 7,917,000 1,991,000 -561,000 -2,948,000 202,000 -398,000 433,000 626,000 772,000 -196,000 4,109,000 5,708,000 2,684,000 1,434,500 1,018,000 3,020,000 1,700,000 -1,940,000 469,000 3,457,000 -488,000 -847,750 -438,000 -3,635,000 682,000 1,117,750 939,000 1,831,000 1,700,000  2,743,000 -53,000 916,000 3,040,000 3,959,000 352,000 851,000 5,127,000 6,185,000 -615,000 -641,000 1,809,000 1,112,000 -1,688,000 621,000 -20,491,000 -16,758,000 1,506,000 13,280,000 17,571,000 8,039,000  12,712,000 5,572,000 3,131,000 1,552,000 6,918,000 5,296,000 4,592,000 4,844,000 1,355,000 1,753,000 6,149,000  
      net income
    2,154,000 5,237,000 2,509,000 3,889,000 2,734,000 7,660,000 8,697,000 7,408,000 12,230,000 15,019,000 9,872,000 3,959,000 12,046,000 37,624,000 37,302,000 24,861,000 44,533,000 29,649,000 22,008,000 1,786,000 -1,520,000 -6,454,000 593,000 -890,000 591,000 2,081,000 2,074,000     4,187,000 2,280,000 4,797,000 7,699,000 -2,104,000 -1,757,000 3,550,000 -767,000 -4,988,000 -598,000 -22,260,000 1,069,000 -26,891,000 1,556,000 3,494,000 2,777,000  5,163,000 -10,118,000 1,639,000 4,526,000 6,230,000 565,000 6,136,000 7,946,000 10,323,000 -1,596,000 -1,237,000 3,254,000 1,711,000 -2,612,000 671,000 -33,832,000 -25,455,000 776,000 24,167,000 29,598,000 13,161,000  20,727,000 9,446,000 5,252,000 3,761,000 10,935,000 8,371,000 7,981,000 7,305,000 2,164,000 3,004,000 9,619,000  
      yoy
    -21.21% -31.63% -71.15% -47.50% -77.65% -49.00% -11.90% 87.12% 1.53% -60.08% -73.53% -84.08% -72.95% 26.90% 69.49% 1291.99% -3029.80% -559.39% 3611.30% -300.67% -357.19% -410.14% -71.41%         -299.00% -229.77% 35.13% -1103.78% -57.82% 193.81% -115.95% -171.75% -81.45% -138.43% -737.09% -61.51%  -69.86% -134.53% 69.43%  -17.13% -1890.80% -73.29% -43.04% -39.65% -135.40% -596.04% 144.19% 503.33% -38.90% -284.35% -109.62% -106.72% -436.60% -97.22% -214.31% -293.41%  16.60% 213.34% 150.59%  89.55% 12.84% -34.19% -48.51% 405.31% 178.66% -17.03%      
      qoq
    -58.87% 108.73% -35.48% 42.25% -64.31% -11.92% 17.40% -39.43% -18.57% 52.14% 149.36% -67.13% -67.98% 0.86% 50.04% -44.17% 50.20% 34.72% 1132.25% -217.50% -76.45% -1188.36% -166.63% -250.59% -71.60% 0.34%      83.64% -52.47% -37.69% -465.92% 19.75% -149.49% -562.84% -84.62% 734.11% -97.31% -2182.32% -103.98% -1828.21% -55.47% 25.82%   -151.03% -717.33% -63.79% -27.35% 1002.65% -90.79% -22.78% -23.03% -746.80% 29.02% -138.01% 90.18% -165.51% -489.27% -101.98% 32.91% -3380.28% -96.79% -18.35% 124.89%   119.43% 79.86% 39.64% -65.61% 30.63% 4.89% 9.25% 237.57% -27.96% -68.77%   
      net income margin %
    0.44% 1.05% 0.51% 0.93% 0.58% 1.46% 1.65% 1.51% 2.32% 2.64% 1.72% 0.76% 1.90% 5.31% 5.36% 3.98% 6.66% 5.33% 4.75% 0.54% -0.51% -2.60% 0.17% -0.28% 0.15% 0.48% 0.47% 0% 0% 0% 0% 1.36% 0.69% 1.35% 2.30% -0.83% -0.65% 1.30% -0.30% -2.10% -0.22% -7.06% 0.31% -8.23% 0.41% 0.91% 0.80% NaN% 1.53% -3.47% 0.48% 1.23% 1.63% 0.18% 1.76% 2.66% 3.51% -0.74% -0.59% 1.53% 1.02% -1.89% 0.55% -27.63% -18.07% 0.31% 7.21% 8.14% 4.79% NaN% 2.61% 3.41% 2.02% 1.66% 4.21% 3.27% 3.34% 3.57% 1.04% 1.24% 3.38%  
      loss on cash flow hedge
    -52,000 -45,000 -281,000 -146,250 -544,000  -41,000               -74,000 -3,397,000 -948,000 -596,000 -1,739,000 -1,457,000                                                        
      tax effect on cash flow hedge
    14,000 11,000 70,000 34,000 136,000   70,750 132,000 50,000 101,000 -271,000 -573,000 62,000 -573,000 -115,750 -109,000 -115,000 -239,000 187,500 -118,000 19,000 849,000 246,500 155,000 452,000 379,000           -14,000  174,750 107,000                                          
      total comprehensive income
    2,116,000 5,203,000 2,298,000 4,487,000 2,326,000 7,660,000 8,656,000 6,988,000 11,835,000 14,868,000 9,568,000 4,014,000 13,764,000 37,440,000 39,020,000 25,693,000 44,858,000 29,996,000 22,724,000 2,103,000 -1,168,000 -6,509,000 -1,955,000 -365,000 150,000 794,000 996,000     3,694,000 2,280,000 4,797,000 7,699,000 256,500 -1,757,000 3,572,000 -719,000 -5,452,500 -405,000 -22,216,000 433,000 1,997,500 1,643,000 3,520,000 2,828,000  5,160,000 -10,129,000 1,474,000 4,123,000                               
      earnings per share:
                                                                                      
      net income per share
    0.18 0.45 0.21 0.33 0.23 0.66 0.75 0.64 1.06 1.3 0.85 0.34 1.04 3.26 3.23 2.16 3.88 2.58 1.92 0.15 -0.13 -0.56 0.05 -0.07 0.05 0.18 0.18 -0.12 1.01 1.39 0.67 0.325 0.2 0.42 0.68 -0.19 -0.16 0.32 -0.07 -0.488 -0.05 -1.99 0.1 0.175 0.14 0.32 0.25  0.47 -0.92 0.15 0.41 0.57 0.05 0.56 0.73 0.94 -0.14 -0.11 0.3 0.16 -0.23 0.06 -3.11 -2.34 0.07 2.22 2.73 1.22  1.96 0.89 0.5 0.36 1.05 0.8 0.78 0.72 0.21 0.3 0.95  
      weighted-average shares outstanding - basic
    11,744 11,742 11,730 11,677 11,695 11,662 11,663 11,573 11,586 11,569 11,570 11,551 11,548 11,538 11,559 11,492 11,492 11,492 11,490 11,447 11,452 11,446 11,444 11,509 11,420 11,415 11,488 11,432 11,444 11,435 11,418  11,386 11,383 11,369 11,210 11,219 11,216 11,182  11,203 11,201 11,195  11,120 11,089 11,089 11,065 11,034 10,989 10,961 10,960 10,988 10,937 10,937                   10,383         
      weighted-average shares outstanding - diluted
    11,763 11,764 11,755 11,677 11,695 11,662 11,663 11,578 11,592 11,572 11,571 11,559 11,557 11,545 11,563 11,503 11,515 11,504 11,496 11,447 11,452 11,446 11,459 11,509 11,420 11,415 11,488 11,440 11,446 11,435 11,418  11,386 11,390 11,369 11,210 11,219 11,216 11,182  11,203 11,201 11,195  11,120 11,089 11,090 11,074 11,042 10,995 10,967 10,989 10,997 10,951 10,951                   10,633         
      dividends declared per share of common stock
    0.16 0.16 0.16 0.15 0.15 0.15 0.15 0.125 0.125 0.125 0.125 0.09 0.09 0.09 0.09 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02                                                    
      gain on cash flow hedge
           -283,250 -527,000 -201,000 -405,000 1,084,000 2,291,000 -246,000 2,291,000 462,750 434,000 462,000 955,000 -750,250 470,000                   -454,250 -278,000                                          
      other income
                 -15,000    1,000 -10,000 -17,000 -25,000  -17,000 -8,250 12,000  14,000 -30,500 17,000   -19,000 -22,000   -10,500 21,000  -5,000 -35,250 -84,000 -26,000 -31,000 -5,500 -20,000 -4,000 2,000  23,000   -5,000 34,000                              
      other (loss)
                  -6,000                                                                    
      net income and total comprehensive income
                               8,769,000 11,599,000 15,848,000 7,629,000                                                    
      net gain on cash flow hedge
                                         36,000    71,000                                         
      net gain on cash flow hedges, net of tax of 30 at march 31, 2016.
                                                                                      
      goodwill and intangible asset impairment
                                           6,112,750  24,451,000                                         
      reclassification of loss included in net income, net of tax of 180 and 533 for the three and nine months ended september 30, 2015, respectively.
                                                                                      
      net gain on cash flow hedges, net of tax of 30 at march 31, 2016 and 397 at march 31, 2015.
                                          48,000                                            
      reclassification of loss included in net income, net of tax of 180 and 533 for the three and nine months ended september 30, 2015, respectively
                                           274,250 364,000                                          
      tax effect on interest rate hedge
                                             -27,000  -25,500 -54,000 -16,000                                     
      net gain on cash flow hedges, net of tax of 397 at march 31, 2015 and 32 at march 31, 2014.
                                              -636,000                                        
      net gain on interest rate hedge
                                               66,250 141,000 42,000                                     
      net gain on interest rate hedge, net of tax 32 at march 31, 2014 and 2 at december 31, 2013.
                                                  51,000                                    
      net loss on interest rate hedge, net of tax 2
                                                    -3,000                                  
      other expense
                                                     -22,500 -51,000                                
      net loss on interest rate hedge, net of tax
                                                     -142,000 -165,000                                
      interest and other income on debt
                                                       2,183,000                               
      net income on interest rate hedge, net of tax
                                                       -403,000                               
      other (income) and expense
                                                         -14,000 91,000                            
      tons sold
                                                                                      
      direct
                                                           266,713,000 294,887,000 161,932,250 218,173,000 228,532,000 201,025,000 117,544,000 161,758,000 157,145,000 151,273,000 209,413,750 237,576,000 320,076,000 280,003,000  841,891,000 296,849,000 273,326,000 208,426,750 264,092,000 287,810,000 281,805,000 210,181,750 256,211,000 270,628,000 313,888,000  
      toll
                                                           18,692,000 22,455,000 16,647,000 22,164,000 23,958,000 20,465,000 14,155,500 19,670,000 16,785,000 20,167,000 24,712,250 30,090,000 33,338,000 35,421,000  114,780,000 39,276,000 38,263,000 40,122,750 49,352,000 54,775,000 56,363,000 35,837,500 49,367,000 48,018,000 45,965,000  
      weighted-average shares outstanding — basic
                                                           10,935 10,935 10,905 10,909 10,905 10,905 10,887 10,894 10,882 10,880 10,847 10,871 10,857 10,771 10,628 10,595 10,603 10,435  10,429 10,416 10,259 10,134 10,153 10,148 10,080  
      weighted-average shares outstanding — diluted
                                                           10,947 10,945 10,918 10,909 10,922 10,918 10,887 10,909 10,882 10,880 10,895 10,952 10,946 10,851 10,763 10,747 10,753 10,664  10,663 10,661 10,568 10,457 10,445 10,436 10,455  
      inventory lower of cost or market adjustments
                                                                 20,265,750  50,454,000                   
      cost of materials sold (exclusive of items
                                                                                      
      shown separately below)
                                                                    120,316,000                  
      inventory lower of cost or market adjustment
                                                                    30,609,000                  
      loss from joint ventures
                                                                             -34,250         
      loss from disposition of joint venture
                                                                             -500,000  -2,000,000       
      income before financing costs and income taxes
                                                                          35,959,000 15,871,000 9,410,000 6,593,000 18,751,000 14,012,000 12,727,000 12,422,000 4,261,000 6,137,000 17,076,000  
      loss from disposition of joint ventures
                                                                                      
      cost of materials
                                                                             149,014,750 201,551,000 202,795,000       
      income from joint ventures
                                                                               -30,000 -107,000 -504,000 -564,000 200,000 243,000  
      asset impairment charge
                                                                                      
      cost of materials sold, exclusive of depreciation
                                                                                   205,483,000   
      gross profit
                                                                                   35,999,000 49,423,000  
      yoy
                                                                                      
      qoq
                                                                                   -27.16%   
      gross margin %
    0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% NaN% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% NaN% 0% 0% 0% 0% 0% 0% 0% 0% 0% 14.91% 17.37%  
      operating expenses
                                                                                      
      total operating expenses
                                                                                   30,062,000 32,590,000  
      tons sold - sum
                                                                                    359,853,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 
                                                                                     
        assets
                                                                                     
        cash and cash equivalents
      7,548,000 14,815,000 13,262,000 11,912,000 11,116,000 9,443,000 10,340,000 13,224,000 9,091,000 15,170,000 18,413,000 12,189,000 10,232,000 8,446,000 8,009,000 9,812,000 15,143,000 11,636,000 8,309,000 5,533,000 5,144,000 7,105,000 5,284,000 5,742,000 8,488,000 6,373,000 5,113,000 9,319,000 4,267,000 5,501,000 3,412,000 4,157,000 4,126,000 2,804,000 2,315,000 2,845,000 3,990,000 2,430,000 5,040,000 6,926,000 4,914,000 9,090,000 4,705,000 5,399,000 3,186,000 2,799,000 7,782,000 3,832,000 2,816,000 4,256,000 7,403,000 1,211,000 2,387,000 2,604,000 1,492,000 2,015,000 1,296,000 1,008,000 5,190,000 1,213,000 1,566,000 1,267,000 891,000 2,420,000 4,064,000 5,286,000 7,707,000 7,160,000 8,940,000 5,166,000 5,211,000 5,634,000 4,099,000 5,066,000 9,555,000     
        accounts receivable
      209,684,000 203,723,000 212,543,000 166,149,000 197,592,000 216,682,000 214,753,000 191,149,000 227,847,000 227,992,000 236,844,000 219,789,000 279,344,000 320,917,000 319,536,000 284,570,000 303,236,000 264,451,000 210,695,000 151,601,000 148,555,000 129,618,000 165,782,000 133,572,000 168,037,000 185,048,000 204,448,000 175,252,000 213,422,000 205,245,000 174,813,000 150,692,000 158,202,000 140,281,000 101,902,000 110,989,000 113,400,000 114,702,000 115,155,000 137,712,000 151,477,000 152,668,000 163,819,000 149,906,000 115,288,000 149,611,000 112,841,000 152,434,000 158,853,000 167,261,000 122,579,000 154,588,000 140,488,000 136,904,000 82,859,000 96,213,000 100,021,000 81,940,000 51,269,000 54,468,000 47,420,000 62,464,000 77,737,000 131,797,000 135,706,000 120,433,000 88,414,000 109,059,000 120,600,000 109,135,000 85,883,000 106,911,000 108,196,000 99,383,000 80,131,000 92,461,000 104,940,000 127,511,000 93,336,000 
        inventories
      383,922,000 368,024,000 360,148,000 390,626,000 399,394,000 386,240,000 397,567,000 386,535,000 392,354,000 405,944,000 407,983,000 416,931,000 508,103,000 511,135,000 475,447,000 485,029,000 417,979,000 373,277,000 278,174,000 240,001,000 232,897,000 269,721,000 267,554,000 273,531,000 283,146,000 288,183,000 342,876,000 368,738,000 366,198,000 363,595,000 319,024,000 280,223,000 262,740,000 263,190,000 254,526,000 230,820,000 210,784,000 189,814,000 229,031,000 243,460,000 280,266,000 329,432,000 310,954,000 283,864,000 286,371,000 275,185,000 290,023,000 288,698,000 312,275,000 317,726,000 277,765,000 293,585,000 207,578,000 198,910,000 200,606,000 181,348,000 159,820,000 129,274,000 111,663,000 106,879,000 123,619,000 226,080,000 255,300,000 313,598,000 237,237,000 195,024,000 178,530,000 172,497,000 197,021,000 189,988,000 210,738,000 214,851,000 172,379,000 137,408,000 134,236,000 103,290,000 143,862,000 181,159,000 186,124,000 
        prepaid expenses and other
      13,530,000 10,203,000 9,633,000 11,904,000 14,306,000 10,725,000 9,304,000 12,261,000 12,608,000 11,510,000 6,257,000 9,197,000 7,447,000 14,398,000 11,602,000 9,989,000 12,459,000 10,295,000 10,940,000 5,069,000 8,120,000 8,766,000 6,364,000 6,997,000 6,274,000 9,973,000 9,886,000 9,460,000 5,219,000 5,273,000 5,698,000 5,510,000 6,345,000 4,088,000 6,197,000 6,225,000 7,237,000 7,847,000 7,753,000 11,454,000 15,359,000 9,419,000 9,880,000 11,439,000 12,786,000 6,957,000 11,731,000 9,417,000 10,354,000 9,872,000 13,112,000 12,526,000 6,619,000 4,970,000 5,652,000 5,213,000 5,648,000 4,532,000 4,686,000 4,954,000 5,324,000 29,604,000 14,552,000 6,894,000 4,401,000 3,998,000 8,737,000 8,328,000 9,464,000 4,578,000 6,383,000 4,285,000 4,743,000 3,925,000 3,733,000 2,932,000 4,322,000 3,540,000 3,163,000 
        total current assets
      614,684,000 596,765,000 595,586,000 580,591,000 622,408,000 623,090,000 631,964,000 603,169,000 641,900,000 660,616,000 669,497,000 658,106,000 805,126,000 854,896,000 814,594,000 789,400,000 748,817,000 659,659,000 508,118,000 402,204,000 394,716,000 415,210,000 444,984,000 419,842,000 465,945,000 489,577,000 562,323,000 562,769,000 589,106,000 580,364,000 503,697,000 441,426,000 432,257,000 410,363,000 364,940,000 350,879,000 335,411,000 314,793,000 356,979,000 399,552,000 453,141,000 500,609,000 489,358,000 450,608,000 417,631,000 434,552,000 422,377,000 454,381,000 484,298,000 499,115,000 420,859,000 463,178,000 361,361,000 346,511,000 298,809,000 288,574,000 268,799,000 258,243,000 214,771,000 208,079,000 217,856,000 319,415,000 348,480,000 454,709,000 381,408,000 324,741,000 283,388,000 297,044,000 336,025,000 308,867,000 308,215,000 331,681,000 289,417,000 245,782,000 227,655,000 203,114,000 257,194,000 318,887,000 287,307,000 
        property and equipment, at cost
      539,219,000 536,477,000 527,925,000 519,702,000 506,631,000 495,879,000 487,968,000 483,448,000 466,499,000 463,291,000 455,975,000 429,810,000 424,051,000 419,732,000 413,136,000 413,396,000 412,635,000 434,506,000 436,850,000 434,579,000 420,382,000 419,050,000 420,594,000 416,511,000 414,040,000 410,995,000 410,053,000 403,785,000 398,524,000 394,470,000 384,218,000 374,653,000 375,808,000 375,938,000 374,242,000 373,585,000 374,031,000 371,886,000 370,909,000 369,219,000 366,754,000 368,089,000 366,265,000 363,560,000 361,368,000 348,939,000 347,935,000 345,593,000 343,279,000 337,000,000 329,116,000 314,288,000 254,797,000 246,925,000 239,500,000 232,599,000 228,222,000 224,311,000 222,149,000 221,809,000 220,948,000 218,954,000 211,325,000 202,295,000 194,770,000 191,668,000 183,850,000 181,982,000 179,237,000 175,821,000 173,745,000 171,095,000 170,025,000 161,458,000 155,231,000 154,883,000 154,120,000 153,640,000 153,235,000 
        accumulated depreciation
      -330,211,000 -328,569,000 -321,967,000 -315,866,000 -313,775,000 -308,685,000 -303,462,000 -297,340,000 -292,280,000 -288,300,000 -283,315,000 -281,478,000 -276,918,000 -272,786,000 -269,542,000 -266,340,000 -265,360,000 -282,487,000 -282,226,000 -277,379,000 -272,769,000 -268,422,000 -264,699,000 -260,264,000 -255,996,000 -251,784,000 -248,346,000 -244,176,000 -239,862,000 -236,962,000 -232,908,000 -226,553,000 -225,141,000 -222,511,000 -218,476,000 -214,943,000 -212,955,000 -208,461,000 -201,136,000 -196,821,000 -192,267,000 -185,400,000 -181,197,000 -175,808,000 -170,484,000 -156,274,000 -151,608,000 -146,965,000 -144,162,000 -140,470,000 -135,703,000 -131,520,000 -127,297,000 -124,326,000 -121,266,000 -117,986,000 -114,754,000 -111,755,000 -108,589,000 -106,155,000 -103,472,000 -100,539,000 -97,820,000 -95,577,000 -96,017,000 -96,185,000 -94,199,000 -92,880,000 -90,721,000 -88,551,000 -86,386,000 -84,521,000 -82,473,000 -79,485,000 -77,480,000 -75,642,000 -73,694,000 -71,670,000 -69,664,000 
        net property and equipment
      209,008,000 207,908,000 205,958,000 203,836,000 192,856,000 187,194,000 184,506,000 186,108,000 174,219,000 174,991,000 172,660,000 148,332,000 147,133,000 146,946,000 143,594,000 147,056,000 147,275,000 152,019,000 154,624,000 157,200,000 147,613,000 150,628,000 155,895,000 156,247,000 158,044,000 159,211,000 161,707,000 159,609,000 158,662,000 157,508,000 151,310,000 148,100,000 150,667,000 153,427,000 155,766,000 158,642,000 161,076,000 163,425,000 169,773,000 172,398,000 174,487,000 182,689,000 185,068,000 187,752,000 190,884,000 192,665,000 196,327,000 198,628,000 199,117,000 196,530,000 193,413,000 182,768,000 127,500,000 122,599,000 118,234,000 114,613,000 113,468,000 112,556,000 113,560,000 115,654,000 117,476,000 118,415,000 113,505,000 106,718,000 98,753,000 95,483,000 89,651,000 89,102,000 88,516,000 87,270,000 87,359,000 86,574,000 87,552,000 81,973,000 77,751,000 79,241,000 80,426,000 81,970,000 83,571,000 
        goodwill
      83,818,000 83,818,000 83,818,000 83,818,000 52,091,000 52,091,000 52,091,000 52,091,000 43,690,000 43,690,000 43,690,000 10,496,000 10,496,000 10,496,000 10,496,000 10,496,000 5,234,000 5,234,000 5,234,000 5,123,000 3,423,000 3,423,000 3,423,000 3,423,000 3,423,000 3,256,000 3,264,000 2,358,000           500,000 500,000 16,951,000 40,787,000 40,787,000 40,787,000 40,787,000 40,787,000 40,787,000 47,370,000 47,370,000 47,254,000 47,254,000 46,056,000 7,083,000 7,083,000 7,083,000 7,083,000 7,083,000 7,083,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,583,000 6,665,000 6,689,000       
        intangible assets
      113,555,000 115,073,000 116,523,000 118,111,000 89,342,000 90,474,000 91,559,000 92,621,000 84,028,000 84,944,000 85,859,000 32,035,000 32,439,000 32,844,000 33,248,000 33,653,000 31,307,000 31,666,000 32,026,000 32,593,000 28,305,000 28,623,000 28,940,000 29,259,000 29,576,000 29,873,000 30,192,000 24,914,000 27,519,000 27,766,000 22,758,000 23,202,000 23,424,000 23,646,000 23,869,000 24,091,000 24,313,000 24,535,000 24,980,000 25,202,000 33,424,000 33,868,000 34,091,000 34,313,000 34,535,000 35,202,000 35,424,000 35,646,000 35,868,000 36,090,000 36,313,000 36,535,000                            
        other long-term assets
      28,327,000 30,506,000 20,752,000 21,204,000 19,642,000 19,150,000 18,864,000 16,466,000 15,425,000 15,958,000 19,755,000 14,434,000 14,315,000 13,427,000 15,610,000 15,241,000 15,203,000 15,587,000 14,260,000 18,131,000 17,263,000 16,675,000 14,569,000 14,439,000 13,891,000 13,416,000 11,770,000 11,090,000 13,980,000 13,318,000 13,114,000 12,170,000 11,861,000 11,633,000 11,493,000 16,355,000 17,335,000 14,892,000 12,766,000 14,688,000 14,091,000 14,735,000 15,127,000 14,027,000 13,512,000 12,211,000 11,079,000 11,603,000 12,154,000 13,689,000 9,660,000 10,474,000 6,128,000 5,467,000 5,312,000 5,098,000 3,563,000 3,917,000 3,534,000 4,080,000 4,916,000 12,403,000 5,679,000 6,097,000 6,354,000 6,322,000 6,461,000 6,406,000 6,292,000 6,109,000 3,163,000 3,032,000 2,983,000       
        right of use assets
      40,666,000 40,840,000 42,085,000  35,672,000 34,297,000 32,795,000  33,544,000 33,783,000 35,328,000  27,475,000 27,507,000 26,161,000  23,470,000 23,524,000 24,097,000  27,983,000 28,576,000 30,156,000  27,864,000 29,072,000 30,106,000                                                     
        total assets
      1,090,058,000 1,074,910,000 1,064,722,000 1,044,496,000 1,012,011,000 1,006,296,000 1,011,779,000 984,835,000 992,806,000 1,013,982,000 1,026,789,000 891,627,000 1,036,984,000 1,086,116,000 1,043,703,000 1,023,572,000 971,306,000 887,689,000 738,359,000 640,605,000 619,303,000 643,135,000 677,967,000 649,555,000 698,743,000 724,405,000 799,362,000 760,740,000 789,267,000 778,956,000 690,879,000 624,898,000 618,209,000 599,069,000 556,068,000 549,967,000 538,135,000 517,645,000 564,998,000 612,340,000 692,094,000 772,688,000 764,431,000 727,487,000 697,349,000 715,417,000 705,994,000 747,628,000 778,807,000 792,678,000 707,499,000 739,011,000 502,072,000 481,660,000 429,438,000 415,368,000 392,913,000 381,799,000 338,448,000 334,396,000 346,831,000 456,816,000 474,247,000 574,107,000 493,098,000 433,129,000 386,083,000 399,135,000 437,416,000 408,829,000 405,320,000 427,952,000 386,641,000 327,848,000 305,606,000 284,647,000 340,710,000 403,985,000 374,146,000 
        liabilities
                                                                                     
        accounts payable
      143,384,000 144,572,000 140,140,000 80,743,000 125,342,000 119,104,000 149,429,000 119,718,000 127,671,000 124,087,000 142,608,000 101,446,000 167,081,000 182,410,000 163,449,000 148,649,000 160,034,000 154,390,000 122,485,000 87,291,000 69,665,000 65,933,000 82,962,000 69,452,000 89,293,000 70,457,000 99,524,000 95,367,000 118,134,000 127,113,000 112,518,000 80,189,000 83,834,000 87,211,000 79,458,000 65,079,000 71,230,000 56,038,000 57,395,000 72,704,000 97,308,000 121,382,000 147,405,000 119,272,000 126,012,000 110,904,000 101,471,000 98,754,000 116,682,000 137,101,000 104,425,000 135,578,000 101,452,000 98,927,000 81,645,000 76,254,000 87,244,000 71,140,000 52,167,000 43,130,000 23,317,000 37,665,000 64,883,000 111,012,000 109,396,000 105,283,000 73,408,000 83,746,000 89,936,000 92,445,000 75,095,000 94,539,000 92,844,000 77,668,000 77,412,000 53,900,000 43,002,000 63,820,000 63,680,000 
        accrued payroll
      24,509,000 19,292,000 15,614,000 24,184,000 23,366,000 20,545,000 16,475,000 30,113,000 29,617,000 25,180,000 17,863,000 40,334,000 38,071,000 34,660,000 22,789,000 44,352,000 35,493,000 24,913,000 15,661,000 10,985,000 10,313,000 8,903,000 8,805,000 13,196,000 12,414,000 11,375,000 9,346,000 19,665,000 19,265,000 15,378,000 9,782,000 12,339,000 12,292,000 9,839,000 8,445,000 9,285,000 10,118,000 8,278,000 8,364,000 9,700,000 9,457,000 9,973,000 10,822,000 9,277,000 10,723,000 9,964,000 10,705,000 10,879,000 11,541,000 10,131,000 11,613,000 10,915,000 8,959,000 6,726,000 11,214,000 10,541,000 11,128,000 10,151,000 6,874,000 7,316,000 7,343,000 7,409,000 16,403,000 19,251,000 15,800,000 9,273,000 9,393,000 8,980,000 8,722,000 7,923,000 7,698,000 8,002,000 7,467,000 4,941,000 6,239,000 6,466,000 6,201,000 7,850,000 16,778,000 
        other accrued liabilities
      22,165,000 23,845,000 26,273,000 21,846,000 22,569,000 19,084,000 19,273,000 22,593,000 22,069,000 22,647,000 20,613,000 16,824,000 19,441,000 21,402,000 27,944,000 25,395,000 28,450,000 31,542,000 29,830,000 22,869,000 10,541,000 13,615,000 12,381,000 12,850,000 10,179,000 15,496,000 14,974,000 13,395,000 11,595,000 15,543,000 14,567,000 10,911,000 11,654,000 13,913,000 15,170,000 14,658,000 14,149,000 14,613,000 16,967,000 20,066,000 24,989,000 15,362,000 16,757,000 18,105,000 15,808,000 16,263,000 14,984,000 14,039,000 14,610,000 13,210,000 13,875,000 15,982,000 7,124,000 10,561,000 9,766,000 6,947,000 9,175,000 7,883,000 7,213,000 7,867,000 9,685,000 14,125,000 13,994,000 15,473,000 11,256,000 14,232,000 9,489,000 10,175,000 9,780,000 11,199,000 9,547,000 10,488,000 10,628,000 13,244,000 10,952,000 7,852,000 7,569,000 14,016,000 10,338,000 
        current portion of lease liabilities
      6,838,000 6,629,000 6,458,000 5,865,000 5,671,000 6,582,000 7,786,000 7,813,000 7,015,000 6,878,000 6,921,000 6,098,000 6,124,000 6,127,000 5,801,000 5,940,000 5,457,000 5,525,000 5,436,000 5,580,000 5,985,000 5,994,000 6,095,000 5,589,000 5,742,000 5,793,000 5,861,000                                                     
        total current liabilities
      196,896,000 194,338,000 188,485,000 132,638,000 176,948,000 165,315,000 192,963,000 180,237,000 186,372,000 178,792,000 188,005,000 164,702,000 230,717,000 244,599,000 219,983,000 224,336,000 229,434,000 216,370,000 173,412,000 126,725,000 96,504,000 94,445,000 110,243,000 101,087,000 117,628,000 103,121,000 129,705,000 128,427,000 148,994,000 158,034,000 136,867,000 104,369,000 108,710,000 112,788,000 104,898,000 90,847,000 97,322,000 81,619,000 85,416,000 105,160,000 135,284,000 150,247,000 178,514,000 159,744,000 165,633,000 152,386,000 138,102,000 133,925,000 151,800,000 170,106,000 139,575,000 172,136,000 117,535,000 116,214,000 102,625,000 93,742,000 107,547,000 89,174,000 66,254,000 58,313,000 40,345,000 59,199,000 95,280,000 145,736,000 136,452,000 128,788,000 92,290,000 102,901,000 108,438,000 111,567,000 92,340,000 113,029,000 112,926,000 95,853,000 94,603,000 68,710,000 61,679,000 90,587,000 95,688,000 
        credit facility revolver
      240,926,000 233,198,000 235,360,000 272,456,000 197,276,000 209,186,000 196,800,000 190,198,000 196,527,000 238,240,000 258,765,000 165,658,000 244,200,000 287,880,000 311,185,000 327,764,000 297,880,000 268,975,000 191,903,000 160,609,000 171,299,000 196,946,000 209,052,000 192,925,000 223,004,000 264,649,000 313,269,000 302,530,000 304,484,000 297,674,000 248,955,000 220,409,000 210,728,000 192,971,000 164,599,000 163,516,000 142,484,000 145,214,000 185,180,000 209,395,000 234,100,000 269,475,000 233,783,000 180,880,000 146,075,000 174,955,000 177,575,000 211,015,000 219,915,000 218,465,000 170,405,000 174,460,000 91,190,000 80,940,000 55,235,000 50,050,000 13,000,000 23,420,000  1,440,000 32,565,000 89,143,000 40,198,000 89,583,000 32,023,000 12,731,000 16,707,000 25,000,000 64,296,000 50,247,000 68,328,000 72,592,000 42,492,000 10,000,000  9,612,000 48,178,000 84,245,000 58,638,000 
        other long-term liabilities
      24,555,000 23,979,000 20,601,000 22,484,000 24,810,000 23,281,000 22,420,000 20,151,000 17,531,000 17,334,000 15,718,000 12,619,000 11,245,000 11,439,000 12,724,000 15,006,000 16,620,000 17,305,000 16,408,000 22,478,000 20,470,000 18,999,000 15,964,000 14,068,000 14,348,000 11,775,000 10,225,000 9,327,000 12,724,000 11,898,000 11,215,000 11,482,000 10,781,000 10,044,000 10,062,000 14,668,000 15,250,000 12,792,000 10,742,000 12,412,000 11,649,000 14,447,000 14,301,000 13,944,000 13,445,000 10,870,000 11,410,000 11,788,000 11,490,000 11,404,000 9,580,000 10,053,000 7,691,000 6,410,000 4,807,000 7,175,000 6,826,000 6,610,000 11,949,000 11,835,000 11,318,000 11,068,000 14,394,000 14,651,000 12,437,000 8,521,000 9,779,000 8,978,000 8,014,000 4,273,000 6,664,000 5,471,000 4,392,000 3,284,000 2,962,000     
        deferred income taxes
      13,551,000 9,895,000 9,481,000 11,049,000 11,571,000 10,613,000 10,897,000 11,510,000 15,869,000 13,611,000 10,737,000 10,025,000 16,317,000 20,790,000 16,279,000 9,890,000 10,365,000 12,968,000 13,968,000 9,818,000 10,011,000 10,068,000 12,127,000 12,262,000 12,904,000 13,055,000 12,686,000 13,465,000 14,718,000 14,562,000 12,827,000 20,176,000 21,728,000 21,731,000 23,119,000 25,369,000 25,711,000 23,443,000 23,655,000 25,114,000 29,104,000 30,716,000 31,841,000 32,728,000 33,476,000 34,821,000 35,856,000 34,952,000 37,806,000 36,851,000 37,214,000 30,654,000 5,761,000 6,165,000 5,133,000 1,160,000 1,042,000 1,293,000 633,000    1,417,000 1,830,000 3,061,000 3,942,000 3,787,000 3,160,000 3,550,000 3,303,000 3,751,000 6,081,000 6,712,000 7,224,000 7,720,000 10,404,000 10,474,000 10,635,000 10,803,000 
        lease liabilities
      35,001,000 35,297,000 36,610,000 31,945,000 30,796,000 28,448,000 25,714,000 27,261,000 27,186,000 27,542,000 29,013,000 22,655,000 21,850,000 21,849,000 20,746,000 22,137,000 18,292,000 18,251,000 18,893,000 19,965,000 22,184,000 22,739,000 24,189,000 20,861,000 22,211,000 23,342,000 24,277,000                                                     
        total liabilities
      510,929,000 496,707,000 490,537,000 470,572,000 441,401,000 436,843,000 448,794,000 429,357,000 443,485,000 475,519,000 502,238,000 375,659,000 524,329,000 586,557,000 580,917,000 599,133,000 572,591,000 533,869,000 414,584,000 339,595,000 320,468,000 343,197,000 371,575,000 341,203,000 390,095,000 415,942,000 490,162,000 453,749,000 480,920,000 482,168,000 409,864,000 356,436,000 351,947,000 337,534,000 302,678,000 294,400,000 280,767,000 263,068,000 304,993,000 352,081,000 410,137,000 464,885,000 458,439,000 425,213,000 398,733,000 419,699,000 416,137,000 447,791,000 480,635,000 498,734,000 420,923,000 452,937,000 222,177,000 209,729,000 167,800,000 152,127,000 128,415,000 120,497,000 78,836,000 71,588,000 84,228,000 159,410,000 151,289,000 251,800,000 183,973,000 153,982,000 122,563,000 140,039,000 184,298,000 169,390,000 171,083,000 197,173,000 166,522,000 116,361,000 105,285,000 91,634,000 149,876,000 216,242,000 197,621,000 
        shareholders' equity
                                                                                     
        preferred stock
                                                                                     
        common stock
      139,498,000 138,892,000 138,286,000 138,538,000 138,040,000 137,541,000 137,063,000 136,541,000 135,981,000 135,566,000 135,131,000 134,724,000 134,423,000 134,089,000 133,754,000 133,427,000 133,174,000 132,916,000 132,644,000 132,382,000 132,089,000 131,803,000 132,006,000 131,647,000 132,676,000 132,420,000 132,275,000 130,778,000 130,597,000 130,417,000 130,379,000 129,490,000 129,392,000 129,285,000 128,619,000 128,563,000 128,387,000 128,949,000 128,033,000 127,662,000 127,301,000 125,974,000 125,586,000 125,169,000 124,118,000 123,186,000 122,272,000 121,905,000 121,496,000 121,172,000 119,816,000 119,657,000 119,400,000 119,164,000 118,976,000 118,765,000 118,567,000 118,408,000 118,212,000 118,578,000 118,826,000 119,580,000 119,134,000 118,716,000 118,297,000 117,482,000 114,582,000 114,271,000 113,893,000 109,339,000 109,075,000 109,065,000 109,027,000 108,453,000 104,956,000 104,953,000 104,939,000 104,852,000 103,252,000 
        accumulated other comprehensive income
      -93,000 -54,000 -20,000 190,000 -408,000   41,000 461,000 856,000 1,007,000 1,311,000 1,256,000                                       4,000                            
        retained earnings
      439,724,000 439,365,000 435,919,000 435,196,000 432,978,000 431,912,000 425,922,000 418,896,000 412,879,000 402,041,000 388,413,000 379,933,000 376,976,000 365,932,000 329,309,000 293,008,000 268,368,000 224,057,000 194,630,000 172,843,000 171,278,000 173,020,000 179,695,000 179,321,000 180,432,000 180,061,000 178,199,000 176,345,000 177,882,000 166,503,000 150,875,000 139,499,000 137,438,000 132,859,000 125,380,000 127,703,000 129,680,000 126,350,000 132,542,000 133,360,000 155,841,000 182,103,000 180,766,000 177,491,000 174,935,000 173,108,000 168,164,000 178,500,000 177,079,000 172,772,000 166,760,000 166,413,000 160,495,000 152,767,000 142,662,000 144,476,000 145,931,000 142,894,000 141,400,000 144,230,000 143,777,000 177,826,000 203,824,000 203,591,000 190,828,000 161,665,000 148,938,000 144,825,000 139,225,000 130,100,000 125,162,000 121,714,000 111,092,000 103,034,000 95,365,000 88,060,000 85,895,000 82,891,000 73,273,000 
        total shareholders' equity
      579,129,000 578,203,000 574,185,000 573,924,000 570,610,000 569,453,000 562,985,000 555,478,000 549,321,000 538,463,000 524,551,000 515,968,000 512,655,000 499,559,000 462,786,000 424,439,000 398,715,000 353,820,000 323,775,000 301,010,000 298,835,000 299,938,000 306,392,000 308,352,000 308,648,000 308,463,000 309,200,000 306,991,000 308,347,000 296,788,000 281,015,000 268,462,000 266,262,000 261,535,000 253,390,000 255,567,000 257,368,000 254,577,000 260,005,000 260,259,000 281,957,000 307,803,000 305,992,000 302,274,000 298,616,000 295,718,000 289,857,000 299,837,000 298,172,000                               
        total liabilities and shareholders' equity
      1,090,058,000 1,074,910,000 1,064,722,000 1,044,496,000 1,012,011,000 1,006,296,000 1,011,779,000 984,835,000 992,806,000 1,013,982,000 1,026,789,000 891,627,000 1,036,984,000 1,086,116,000 1,043,703,000 1,023,572,000 971,306,000 887,689,000 738,359,000 640,605,000 619,303,000 643,135,000 677,967,000 649,555,000 698,743,000 724,405,000 799,362,000 760,740,000 789,267,000 778,956,000 690,879,000 624,898,000 618,209,000 599,069,000 556,068,000 549,967,000 538,135,000 517,645,000 564,998,000 612,340,000 692,094,000 772,688,000 764,431,000 727,487,000 697,349,000 715,417,000 705,994,000 747,628,000 778,807,000                               
        right-of use assets
         36,936,000    34,380,000    28,224,000    27,726,000    25,354,000    26,345,000                                                        
        commitments and contingencies
                                                                                     
        preferred stock, without par value, 5,000 shares authorized, no shares issued or outstanding
                                                                                     
        treasury stock
                            -480,000 -335,000 -1,654,000 -1,653,000 -196,000 -132,000 -132,000 -132,000 -239,000 -527,000 -568,000 -609,000 -609,000 -699,000 -699,000 -699,000                                          
        accumulated other comprehensive loss
                   -462,000 -277,000 -1,996,000 -2,827,000 -3,153,000 -3,499,000 -4,215,000 -4,532,000 -4,885,000 -4,829,000 -2,281,000 -2,806,000 -2,365,000 -1,078,000           -23,000 -570,000 -763,000 -1,185,000 -274,000 -360,000 -386,000 -437,000 -576,000 -579,000                                 
        net sales
                                445,919,000  456,976,000 452,917,000 375,598,000 331,442,000     273,608,000 258,349,000 276,922,000 315,251,000 345,865,000 376,617,000 386,047,000 346,913,000                                    
        costs and expenses
                                                                                     
        cost of materials sold
                                366,382,000  365,362,000 356,061,000 294,777,000 265,351,000     205,688,000 199,820,000 218,172,000 255,838,000 279,939,000 305,080,000 311,421,000 275,467,000                                    
        warehouse and processing
                                25,611,000  25,330,000 23,813,000 23,436,000 20,531,000     21,035,000 20,492,000 21,261,000 21,722,000 22,537,000 24,926,000 23,785,000 21,360,000                                    
        administrative and general
                                20,129,000  21,197,000 21,523,000 18,872,000 16,647,000     16,011,000 16,040,000 15,943,000 16,014,000 17,330,000 18,260,000 18,146,000 18,937,000                                    
        distribution
                                12,835,000  12,552,000 13,386,000 12,139,000 10,574,000     9,560,000 9,207,000 8,950,000 9,568,000 9,301,000 10,941,000 10,990,000 9,856,000                                    
        selling
                                7,340,000  7,373,000 7,107,000 7,228,000 6,797,000     6,045,000 5,687,000 5,315,000 4,900,000 5,891,000 6,304,000 6,483,000 6,518,000                                    
        occupancy
                                2,798,000  2,348,000 2,297,000 2,555,000 2,150,000     2,158,000 2,337,000 2,196,000 2,306,000 2,710,000 2,348,000 2,426,000 2,870,000                                    
        depreciation
                                4,431,000  3,953,000 4,164,000 4,024,000 3,883,000     4,550,000 4,509,000 4,409,000 4,628,000 4,590,000 4,418,000 5,466,000 5,454,000                                    
        amortization
                                319,000  247,000 247,000 222,000 223,000     222,000 222,000 223,000 222,000 222,000 223,000 222,000 222,000                                    
        total costs and expenses
                                439,845,000  438,362,000 428,598,000 363,253,000 326,156,000     265,269,000 258,314,000 276,469,000 339,649,000 342,520,000 372,500,000 378,939,000 340,684,000                                    
        operating income
                                6,074,000  18,614,000 24,319,000 12,345,000 5,286,000     8,339,000 35,000 453,000 -24,398,000 3,345,000 4,117,000 7,108,000 6,229,000                                    
        other income
                                14,000  17,000   -22,000      -5,000 -84,000 -26,000 -31,000 -20,000 -4,000 2,000                                    
        income before interest and income taxes
                                6,088,000  18,631,000 24,226,000 12,299,000 5,264,000     8,281,000 30,000 369,000 -24,424,000 3,314,000 4,097,000 7,104,000 6,231,000                                    
        interest and other income on debt
                                3,242,000  2,923,000 2,670,000 1,986,000 1,966,000     1,274,000 1,285,000 1,405,000 1,471,000 1,563,000 1,602,000 1,779,000 1,754,000                                    
        income before income taxes
                                2,846,000  15,708,000 21,556,000 10,313,000 3,298,000     7,007,000 -1,255,000 -1,036,000 -25,895,000 1,751,000 2,495,000 5,325,000 4,477,000                                    
        income tax provision
                                772,000  4,109,000 5,708,000 2,684,000 1,018,000         682,000 939,000 1,831,000 1,700,000                                    
        net income
                                2,074,000 33,759,000    2,280,000     3,550,000 -767,000 -598,000 -22,260,000 1,069,000 1,556,000 3,494,000 2,777,000                                    
        loss on cash flow hedge
                                -1,457,000                                                     
        tax effect on cash flow hedge
                                379,000          -14,000  107,000                                         
        total comprehensive income
                                996,000     2,280,000     3,572,000 -719,000 -405,000 -22,216,000 433,000 1,643,000 3,520,000 2,828,000                                    
        earnings per share:
                                                                                     
        net income per share
                                180  1,010 1,390 670 200     320 -70 -50 -1,990 100 140 320 250                                    
        weighted-average shares outstanding - basic
                                11,488,000  11,444,000 11,435,000 11,418,000 11,386,000     11,216,000 11,182,000 11,203,000 11,201,000 11,195,000 11,120,000 11,089,000 11,089,000                                    
        weighted-average shares outstanding - diluted
                                11,488,000  11,446,000 11,435,000 11,418,000 11,386,000     11,216,000 11,182,000 11,203,000 11,201,000 11,195,000 11,120,000 11,089,000 11,090,000                                    
        dividends declared per share of common stock
                                20  20 20 20                                                 
        assets held for sale
                                   750,000 750,000 844,000 844,000        1,125,000           1,268,000                            
        current portion of long-term debt
                                     930,000 930,000 1,825,000 1,825,000 1,825,000 1,825,000 2,690,000 2,690,000 2,690,000 3,530,000 3,530,000 3,530,000 13,090,000 13,090,000 15,255,000 10,942,000 10,253,000 8,967,000 9,664,000 9,662,000 9,661,000                     1,987,000   492,000 4,907,000 4,901,000 4,892,000 
        cash flows from (used for) operating activities:
                                                                                     
        adjustments to reconcile net income to net cash from operating activities -
                                                                                     
        depreciation and amortization
                                 18,035,000                                                    
        (gain) loss on disposition of property and equipment
                                 64,000                                                    
        stock-based compensation
                                 1,529,000                                                    
        intangibles and other long-term assets
                                 1,970,000                                                    
        deferred income taxes and other long-term liabilities
                                 -1,467,000                                                    
        changes in working capital:
                                                                                     
        change in outstanding checks
                                 1,038,000                                                    
        accrued payroll and other accrued liabilities
                                 6,194,000                                                    
        net cash from operating activities
                                 -50,501,000                                                    
        cash flows from (used for) investing activities:
                                                                                     
        acquisition
                                 -21,907,000                                                    
        capital expenditures
                                 -25,715,000                                                    
        proceeds from disposition of property and equipment
                                 126,000                                                    
        net cash from investing activities
                                 -47,496,000                                                    
        cash flows from (used for) financing activities:
                                                                                     
        credit facility revolver borrowings
                                 597,867,000                                                    
        credit facility revolver repayments
                                 -491,572,000                                                    
        principal payments under capital lease obligation
                                 -7,000                                                    
        industrial revenue bond repayments
                                 -930,000                                                    
        credit facility fees and expenses
                                 -171,000                                                    
        proceeds from employee stock options
                                                                                     
        dividends paid
                                 -880,000                                                    
        net cash from financing activities
                                 104,307,000                                                    
        cash and cash equivalents:
                                                                                     
        net change
                                 6,310,000                                                    
        beginning balance
                                 3,009,000                                                    
        ending balance
                                 9,319,000                                                    
        net income and total comprehensive income
                                  11,599,000 15,848,000 7,629,000                                                 
        other loss
                                   -93,000 46,000      -58,000                                           
        net gain on cash flow hedge
                                          36,000   71,000                                        
        goodwill and intangible asset impairment
                                             24,451,000                                        
        income tax benefit
                                          3,457,000 -488,000 -438,000 -3,635,000                                        
        net gain on cash flow hedges, net of tax of 30 at march 31, 2016 and 397 at march 31, 2015.
                                           48,000                                          
        gain/(loss) on cash flow hedge
                                            -278,000                                         
        reclassification of loss included in net income, net of tax of 180 and 533 for the three and nine months ended september 30, 2015, respectively
                                            364,000                                         
        tax effect on interest rate hedge
                                             -27,000  -54,000 -16,000                                     
        net gain on cash flow hedges, net of tax of 397 at march 31, 2015 and 32 at march 31, 2014.
                                              -636,000                                       
        long-term debt
                                                 37,917,000 40,104,000 46,667,000 53,194,000 56,111,000 59,624,000 61,908,000 64,149,000 65,634,000                            
        net gain on interest rate hedge
                                               141,000 42,000                                     
        net gain on interest rate hedge, net of tax 32 at march 31, 2014 and 2 at december 31, 2013.
                                                 51,000                                    
        accumulated other comprehensive loss, net of tax
                                                     -568,000 -403,000                               
        shareholders’ equity
                                                                                     
        total shareholders’ equity
                                                       293,944,000 286,576,000 286,074,000 279,895,000 271,931,000 261,638,000 263,241,000 264,498,000 261,302,000 259,612,000 262,808,000 262,603,000 297,406,000 322,958,000 322,307,000 309,125,000 279,147,000 263,520,000 259,096,000 253,118,000 239,439,000 234,237,000 230,779,000 220,119,000 211,487,000 200,321,000 193,013,000 190,834,000 187,743,000 176,525,000 
        total liabilities and shareholders’ equity
                                                       792,678,000 707,499,000 739,011,000 502,072,000 481,660,000 429,438,000 415,368,000 392,913,000 381,799,000 338,448,000 334,396,000 346,831,000 456,816,000 474,247,000 574,107,000 493,098,000 433,129,000 386,083,000 399,135,000 437,416,000 408,829,000 405,320,000 427,952,000 386,641,000 327,848,000 305,606,000 284,647,000 340,710,000 403,985,000 374,146,000 
        stockholders’ equity
                                                                                     
        income taxes receivable and deferred
                                                          4,289,000 3,123,000 8,200,000 3,785,000 2,014,000 41,489,000 41,963,000 40,565,000 39,927,000                   
        investments in joint ventures
                                                                               93,000 200,000 2,037,000 2,601,000 2,405,000 2,311,000 
        deferred financing fees
                                                                                 255,000 489,000 723,000 957,000 
        term loans
                                                                                  26,637,000 27,741,000 29,212,000 
        industrial revenue bonds
                                                                                 2,908,000 2,908,000 3,034,000 3,280,000 
        total long-term debt
                                                                                 12,520,000 77,723,000 115,020,000 91,130,000 
        cash
                                                                                 4,431,000 4,070,000 6,677,000 4,684,000 
        officer note receivable
                                                                                     
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2018-12-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 
                 
          cash flows from operating activities:
                 
          net income
        -1,317,000 -10,118,000 1,639,000 4,526,000 6,230,000 565,000 6,136,000 7,946,000 10,323,000 
          adjustments to reconcile net income to net cash from operating activities -
                 
          depreciation and amortization
        4,836,000 5,893,000 5,510,000 5,473,000 5,280,000 4,680,000 4,918,000 3,588,000 3,544,000 
          amortization of deferred financing fees
                 
          loss on disposition of property and equipment
          -151,000   52,000 30,000 30,000 9,000 
          stock-based compensation
        181,000 210,000 305,000 199,000 1,237,000 159,000 243,000 227,000 177,000 
          other long-term assets
         191,000 222,000 1,199,000 -3,231,000 -380,000 1,429,000 23,000 -232,000 
          other long-term liabilities
         -389,000 385,000 -569,000 1,824,000 -252,000 603,000 1,281,000 1,603,000 
          changes in working capital:
                 
          accounts receivable
        38,170,000 39,593,000 6,419,000 8,408,000 -44,682,000 32,008,000 8,279,000 -3,584,000 -54,045,000 
          inventories
        -2,540,000 -1,325,000 23,577,000 5,451,000 -39,961,000 14,667,000 -33,759,000 -8,668,000 1,696,000 
          prepaid expenses and other
        -4,129,000 -5,412,000 937,000 -482,000 3,240,000 6,077,000 -4,894,000 -1,649,000 682,000 
          accounts payable
        -34,028,000 -633,000 -10,823,000 -22,677,000 31,305,000 -25,708,000 18,849,000 -1,747,000 17,277,000 
          change in outstanding checks
        11,077,000 3,350,000 -7,105,000 2,258,000 1,371,000 -5,445,000 5,202,000 4,272,000 5,000 
          accrued payroll and other accrued liabilities
        2,199,000 790,000 -1,172,000 2,849,000 -2,067,000 -2,913,000 -5,463,000 -1,144,000 -3,633,000 
          net cash from operating activities
        12,632,000 42,514,000 16,637,000 8,016,000 -39,817,000 25,628,000 7,692,000 -995,000 -16,485,000 
          cash flows used for investing activities:
                 
          capital expenditures
        -5,349,000 -3,083,000 -4,607,000 -7,714,000 -7,969,000 -14,869,000 -8,202,000 -8,513,000 -7,903,000 
          free cash flows
        7,283,000 39,431,000 12,030,000 302,000 -47,786,000 10,759,000 -510,000 -9,508,000 -24,388,000 
          proceeds from disposition of property and equipment
        46,000 250,000 234,000 2,000 5,000 12,000 10,000 2,000 
          net cash from investing activities
        -5,303,000 -2,833,000 -4,373,000 -7,714,000 -7,967,000 -13,652,000 -156,274,000 -8,503,000 -7,901,000 
          cash flows from financing activities:
                 
          credit facility revolver borrowings
        169,085,000 97,435,000 134,455,000 149,410,000 154,060,000 457,249,000 83,270,000 10,250,000 25,705,000 
          credit facility revolver repayments
        -171,038,000 -130,875,000 -143,355,000 -147,960,000 -106,000,000     
          principal payment under finance lease obligation
                 
          credit facility fees and expenses
        -101,000 -3,000 -6,000 -118,000 -1,085,000 -27,000 -3,433,000   
          dividends paid on common stock
                 
          net cash from financing activities
        -2,277,000 -35,731,000 -11,248,000 -1,742,000 44,637,000 -5,784,000 147,406,000 9,281,000 25,498,000 
          cash and cash equivalents:
                 
          net change
        5,052,000 3,950,000 1,016,000 -1,440,000 -3,147,000 6,192,000 -1,176,000 -217,000 1,112,000 
          beginning balance
        7,403,000 1,492,000 
          ending balance
        5,052,000 3,950,000 1,016,000 -1,440,000 4,256,000 6,192,000 -1,176,000 -217,000 2,604,000 
          cash flows from investing activities:
                 
          gain on disposition of property and equipment
                 
          deferred income taxes and other long-term liabilities
                 
          cash flows from (used for) investing activities:
                 
          acquisitions
                 
          cash flows from (used for) financing activities:
                 
          principal payments under finance lease obligation
                 
          dividends paid
        -220,000 -218,000 -219,000 -218,000 -218,000 -218,000 -218,000 -218,000 -218,000 
          acquisition, net of cash acquired
                 
          cash flows (used for) from operating activities:
                 
          adjustments to reconcile net income to net cash (used for) from operating activities -
                 
          net cash (used for) from operating activities
                 
          gain on disposition of detroit operation
                 
          intangibles and other long-term assets
                 
          proceeds from sale of detroit property and equipment
                 
          cash flows from (used for) operating activities:
                 
          gain on disposition of property and equipment
                 
          acquisition
                 
          principal payment under capital lease obligation
                 
          acquisitions, net of cash acquired
                 
          net cash (used for) from investing activities
                 
          (gain) on disposition of property and equipment
                 
          net cash (used for) investing activities
                 
          principal payment under finance type lease obligation
                 
          (gain) loss on disposition of property and equipment
                 
          repurchase of common stock
                 
          principal payments under capital lease obligation
                 
          industrial revenue bond repayments
              
          proceeds from employee stock options
                 
          proceeds from exercise of stock options
                 
          acquisition of net assets
                 
          proceeds from exercise of stock options (including tax benefits) and employee stock purchases
         157,000 104,000 125,000 119,000    
          proceeds from employee stock purchases
                 
          goodwill and intangible asset impairment
                 
          term loan repayments
         -2,187,000 -2,187,000 -2,187,000 -2,188,000 -1,458,000    
          insurance recovery receivable
                 
          principal payments under capital lease obligations
         -40,000 -40,000 -39,000 -51,000 -26,000    
          purchase price inventory adjustment
                 
          goodwill impairment
                 
          asset impairment of joint venture real estate
                 
          long-term deferred income taxes
             6,670,000 1,284,000 -404,000 1,032,000 
          income taxes receivable and deferred
         5,324,000 -3,106,000 1,207,000 -363,000 -6,662,000 4,839,000 -1,166,000 5,077,000 
          acquisition of chicago tube and iron, net of cash acquired
                
          proceeds from assets held for sale
             1,212,000    
          term loan borrowings
                
          asset impairment of idled real estate
                 
          assets held for sale
                 
          proceeds from exercise of stock options (including tax benefit) and employee stock purchases
               9,000 11,000 
          adjustments to reconcile net income to net cash from operating activities
                 
          change in outstanding in checks
                 
          credit facility revolver borrowings (payments)
                 
          net increase
                 
          adjustments to reconcile net income to net cash from operating activities —
                 
          inventory lower of cost or market adjustment
                 
          adjustments to reconcile net income to net cash from
                 
          operating activities -
                 
          depreciation
                 
          adjustments to reconcile net income to net cash from operating activities (net of effects from 2006 purchases of gsp and ps&w) —
                 
          income from joint ventures, net of distributions and consolidation of gsp
                 
          loss on disposition of joint venture
                 
          stock based compensation
                 
          purchase of gsp interest
                 
          purchase of ps&w
                 
          debt repayments
                 
          credit facility revolver payments
                 
          and employee stock purchases
                 
          adjustments to reconcile net income to net cash from operating activities (net of effects from purchases of gsp and ps&w) -
                 
          income from joint ventures, net of distributions
                 
          income from disposition of joint venture
                 
          repayments of debt
                 
          adjustments to reconcile net income to net cash from operating activities—
                 
          adjustments to reconcile net income to net cash from operating activities (net of effects from purchases of gsp and ps&w) - - depreciation and amortization
                 
          loss (income) from joint ventures, net of distributions and consolidation of gsp
                 
          asset impairment charge
                 
          credit facility closing fees and expenses
                 
          repayment of officer note receivable
                 
          proceeds from exercise of stock options and employee stock purchases
                 
          adjustments to reconcile net income to net cash from operating activities (net of effects from purchases of gsp and ps&w) —
                 
          (income) income from joint ventures, net of distributions and consolidation of gsp
                 
          adjustments to reconcile net income to net cash from operating activities-
                 
          (income) income from joint ventures, net of distributions
                 
          tax benefit from exercise of stock options
                 
          scheduled repayments of long-term debt
                 
          investments in joint ventures
                 
          escrowed cash restricted for payment of debt
                 
          net proceeds from disposition of property and equipment
                 
          repayments of long-term debt
                 
          cash:
                 
          unprocessed
                 
          processed and finished
                 
          totals
                 
          accrued payroll and other
                 
          repayments of refinanced debt
                 
          proceeds from debt refinancings
                 
          balance at december 31, 2001
                 
          interest on officer note
                 
          payment of interest on officer note
                 
          exercise of stock options and employee stock purchases
                 
          balance at december 31, 2002
                 
          balance at december 31, 2003
                 
          repayment of officer note principal
                 
          balance at december 31, 2004