7Baggers
Quarterly
Annual
    Unit: USD2025-09-26 2025-06-27 2025-03-28 2024-09-27 2024-06-28 2024-03-29 2023-12-31 2023-09-29 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-07-01 2022-04-01 2021-12-31 2021-10-01 2021-07-02 2021-04-02 2020-12-31 2020-09-25 2020-06-26 2020-03-27 2019-12-31 2019-09-27 2019-06-28 2019-03-29 2018-12-31 2018-09-28 2018-06-29 2018-03-30 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-07-01 2016-04-01 2015-12-31 2015-10-02 2015-07-03 2015-04-30 2014-12-31 2014-03-28 2013-12-31 2012-12-31 2011-12-31 2011-04-01 2010-12-31 2009-12-31 2008-12-31 2007-12-31 2005-04-01 
      
                                                         
      cash flows from operating activities:
                                                         
      net income
    25,412,000 25,140,000 17,698,000 22,294,000 19,036,000 13,409,000 19,468,000 26,564,000 24,082,000 25,588,000 28,764,000 19,952,000 23,255,000 14,019,000 19,683,000 18,156,000 17,868,000 16,767,000 5,391,000 6,496,000 6,678,000 -3,103,000 14,751,000 3,463,000 15,540,000 16,906,000 -20,828,000 19,966,000 11,144,000 10,564,000 -8,232,000 9,320,000 7,313,000 3,050,000 6,778,000 8,045,000 5,549,000 5,368,000 6,715,000 6,936,000 8,878,000 9,629,000 11,976,000 7,331,000 -1,110,000 2,503,000 762,000 11,818,000 12,629,000 -3,551,000 -3,305,000 12,324,000 4,286,000 
      adjustments to reconcile net income to net cash from operating activities:
                                                         
      depreciation, depletion, and amortization
    17,504,000 17,509,000 16,538,000 18,593,000 16,513,000 16,185,000 15,120,000 15,080,000 16,352,000 15,092,000 14,213,000 13,153,000 12,891,000 13,179,000 11,659,000 13,415,000 10,464,000 8,599,000 10,342,000 8,520,000 9,248,000 14,274,000 9,161,000 9,348,000 13,540,000 9,067,000 9,018,000 8,157,000 9,142,000 9,207,000 9,307,000 12,719,000 10,635,000 10,090,000 11,272,000 10,882,000 12,189,000 11,308,000 11,748,000 5,952,000 8,208,000 11,909,000 10,388,000           
      amortization of deferred financing costs in interest expense
    235,000 962,000 450,000 429,000 428,000 429,000 428,000 429,000 431,000 424,000 424,000 530,000 269,000 511,000 421,000 182,000 182,000 182,000 243,000 183,000 182,000 182,000 242,000 248,000 236,000 236,000 289,000 206,000 253,000 261,000 249,000 230,000 210,000 230,000 249,000 136,000 130,000 151,000 157,000 166,000 183,000 148,000 168,000 178,000 178,000 162,000 218,000 117,000 119,000 117,000 106,000 95,000 304,000 
      stock-based compensation expense
    3,083,000 2,451,000 2,986,000 2,381,000 2,839,000 2,495,000 2,514,000 2,536,000 2,792,000 2,250,000 2,816,000 2,303,000 1,995,000 1,699,000 1,593,000 1,412,000 2,039,000 1,473,000 1,539,000 23,000 2,474,000 1,492,000 1,940,000 1,689,000 1,994,000 1,547,000    771,000 654,000 796,000 1,169,000 2,338,000 294,000 961,000 1,031,000 888,000 973,000 1,863,000 1,365,000 1,290,000 1,323,000 1,412,000 1,638,000 1,546,000 1,407,000 990,000 1,066,000 929,000 -858,000 1,004,000  
      deferred income tax expense
    -18,000   -935,000    17,000    -141,000     -15,000 382,000     -3,141,000 1,147,000 4,207,000 371,000      415,000                      
      changes in assets and liabilities:
                                                         
      accounts receivable
    2,650,000 23,963,000 -24,912,000 -27,195,000 2,545,000 2,729,000  946,000 19,348,000 7,538,000  -18,398,000 12,479,000 -15,045,000  -12,100,000 1,756,000 -15,697,000                                    
      inventory
    -22,074,000 -327,000 421,000 -9,903,000 2,227,000 -26,539,000  5,583,000 -24,370,000 -12,081,000  2,472,000 -39,175,000 -28,129,000  -21,702,000 -17,432,000 -23,219,000                                    
      prepaid and other current assets
    -18,060,000 7,399,000 -10,428,000 -12,152,000 -2,220,000 -10,274,000  -17,385,000 4,075,000 -2,865,000  -557,000 -2,457,000 -5,000  -5,302,000 389,000 -2,107,000                                    
      accounts payable and accrued expenses
    17,339,000 -14,998,000 19,191,000 24,567,000 -15,669,000 -5,194,000  -14,950,000 -8,679,000 -1,904,000  -10,682,000 13,074,000 -4,177,000   9,179,000 19,224,000                                    
      unearned revenue
    -4,617,000 -3,909,000 -4,616,000 -7,228,000 -4,480,000 -5,860,000  -3,176,000 -9,476,000 254,000  -2,050,000 202,000 -343,000  -2,596,000 2,314,000 932,000                                    
      interest and taxes payable
    -320,000 -826,000 -404,000 673,000 -612,000 -3,294,000  -289,000 -2,098,000 657,000  24,000 -3,639,000 1,874,000  -4,372,000 -296,000 3,164,000                                    
      other-net
    -2,852,000 -7,377,000 -1,444,000 -6,437,000 -1,504,000 2,362,000  -2,987,000 2,737,000 -4,520,000  1,741,000 2,201,000 1,712,000  2,100,000 14,000 -140,000  -3,697,000 -7,847,000 4,865,000  677,000 -1,879,000 -924,000  390,000 3,387,000 -818,000  -236,000 -128,000 -960,000  840,000 1,618,000 -847,000  563,000 -188,000 -321,000  -2,821,000          
      net cash from operating activities
    18,282,000 49,940,000 15,502,000 5,087,000 20,282,000 -13,805,000 59,909,000 13,983,000 32,417,000 38,105,000 81,754,000 12,789,000 35,719,000 -14,304,000 49,723,000 -3,547,000 28,615,000 15,450,000 21,613,000 43,011,000 27,303,000 9,130,000 39,686,000 29,490,000 42,663,000 -12,617,000 27,131,000 19,939,000 37,479,000 -8,175,000  35,194,000    17,320,000 26,478,000 -17,444,000  23,801,000    -23,211,000    -20,754,000      
      capex
    -13,738,000 -12,682,000 -12,321,000 -12,318,000 -17,098,000 -21,314,000 -25,299,000 -25,782,000 -29,455,000 -30,014,000 -23,372,000 -16,506,000 -18,753,000 -18,977,000 -25,270,000 -19,928,000 -26,462,000 -31,250,000 -20,989,000 -14,251,000 -17,245,000 -14,789,000 -6,058,000 -4,360,000 -5,806,000 -8,027,000 -5,893,000 -4,656,000 -9,286,000 -7,867,000  -6,507,000    -5,726,000 -8,612,000 -5,714,000  -7,521,000    -6,120,000    -3,869,000      
      free cash flows
    4,544,000 37,258,000 3,181,000 -7,231,000 3,184,000 -35,119,000 34,610,000 -11,799,000 2,962,000 8,091,000 58,382,000 -3,717,000 16,966,000 -33,281,000 24,453,000 -23,475,000 2,153,000 -15,800,000 624,000 28,760,000 10,058,000 -5,659,000 33,628,000 25,130,000 36,857,000 -20,644,000 21,238,000 15,283,000 28,193,000 -16,042,000  28,687,000    11,594,000 17,866,000 -23,158,000  16,280,000    -29,331,000    -24,623,000      
      cash flows from investing activities:
                                                         
      payments for purchase of property, plant, and equipment
    -13,738,000 -12,682,000 -12,321,000 -12,318,000 -17,098,000 -21,314,000 -25,299,000 -25,782,000 -29,455,000 -30,014,000 -23,372,000 -16,506,000 -18,753,000 -18,977,000 -25,270,000 -19,928,000 -26,462,000 -31,250,000 -20,989,000 -14,251,000 -17,245,000 -14,789,000 -6,058,000 -4,360,000 -5,806,000 -8,027,000 -5,893,000 -4,656,000 -9,286,000 -7,867,000 -9,757,000 -6,507,000 -5,124,000 -6,128,000 -7,125,000 -5,726,000 -8,612,000 -5,714,000 -5,420,000 -7,521,000 -9,368,000 -7,196,000 -9,469,000           
      payments for mine development
    -9,777,000 -1,492,000 -8,683,000 -1,000 -5,042,000 -5,333,000 -5,709,000               -374,000 -312,000 -239,000 -1,352,000 -1,366,000 -1,767,000 -1,764,000 -1,661,000 -940,000 -111,000 -309,000 -200,000 -927,000 -1,128,000 -3,024,000 -4,782,000 -5,613,000 -6,872,000 -6,352,000 -3,748,000 -577,000 -80,000 -369,000 -5,581,000 -258,000 -127,000 -282,000 -348,000 -30,000 -343,000  
      proceeds from sale of property, plant, and equipment
    666,000 266,000 34,000 179,000 348,000 237,000 8,000 197,000 212,000 23,000 722,000 94,000 11,000 195,000 83,000 28,000 575,000 -2,000 2,000 23,000 10,000 27,000 2,000 -43,000 58,000 406,000 -1,000 24,000 3,000 2,169,000 26,000 11,000 16,000 67,000 539,000 75,000 752,000 15,000 25,000   6,000           
      payments for acquisition, net of cash acquired
                                                        
      net cash from investing activities
    -42,349,000 -14,174,000 -20,738,000 -12,285,000 -21,961,000 -26,299,000 -25,062,000 -31,483,000 -32,875,000 -29,802,000 -23,349,000 -15,784,000 -21,630,000 -18,966,000 -417,315,000 -19,845,000 -26,434,000 -30,675,000 -20,991,000 -141,715,000 -17,222,000 -14,779,000 -6,405,000 -4,670,000 -6,088,000 -9,321,000   -11,026,000 -9,525,000      -6,315,000 -11,561,000 -9,744,000      -3,191,000    -2,853,000 -4,639,000     
      cash flows from financing activities:
                                                         
      proceeds from borrowings under credit facilities
    32,793,000   17,408,000    24,498,000                                              
      repayment of long-term debt
    -1,498,000   -7,522,000    -3,836,000    -4,584,000 -3,338,000 -3,839,000 -251,000 -149,000 -1,277,000 -377,000 -4,277,000 -15,929,000 -286,000 -142,000 -224,000 -202,000 -200,000 -197,000 -264,000 -130,000 -193,000 -190,000 -189,000 -30,246,000 -20,182,000 -5,180,000 -177,000 -10,118,000 -172,000 -227,000 -41,725,000 -13,165,000 -19,181,000 -13,929,000 -20,206,000 -8,246,000 -23,247,000 -20,246,000 -51,250,000 -10,000,000 -20,000,000 -20,600,000 -15,000,000 1,000 -18,607,000 
      principal payments under finance lease obligations
    -150,000 -143,000 -163,000 -185,000 -191,000 -191,000 -348,000 -180,000 -318,000 -799,000 -751,000 -651,000 -648,000 -686,000 -667,000 -640,000 -837,000 -675,000 -773,000 -814,000 -393,000 -233,000 -306,000 -295,000 -301,000 -298,000                            
      cash dividends paid
    -2,903,000 -2,902,000 -2,803,000 -2,802,000 -2,801,000 -2,692,000 -2,684,000 -2,683,000 -2,683,000 -2,571,000 -2,576,000 -2,472,000 -2,592,000 -2,520,000 -2,454,000 -2,452,000 -2,453,000 -2,338,000 -2,337,000 -2,338,000 -2,337,000 -2,245,000 -2,244,000 -2,244,000 -2,243,000 -2,125,000 -2,127,000 -2,125,000 -2,125,000 -2,012,000 -2,010,000 -2,004,000 -2,004,000 -1,895,000 -1,895,000 -1,897,000 -1,903,000 -1,801,000 -1,801,000 -1,808,000 -1,815,000 -1,708,000    -1,532,000        
      deferred financing costs
    -79,000                      -112,000        -300,000                   
      repurchase of common stock
                     -6,766,000 -199,000     -681,000 -405,000 -1,135,000 -2,201,000 -462,000 -4,381,000 -1,980,000 -768,000 -6,667,000 -1,466,000    -2,913,000   
      payments of withholding taxes for stock-based compensation awards
    -203,000 -113,000 -2,224,000 -173,000 -389,000 -6,013,000 -133,000 -229,000 -1,258,000 -3,614,000 -537,000 -244,000 -95,000 -2,717,000 -285,000 -12,000 -183,000 -2,838,000 -9,000 -187,000 -10,000 -2,015,000 -14,000 -69,000 -785,000 -3,978,000 -150,000 -241,000 -632,000 -2,133,000                        
      net cash from financing activities
      3,478,000   40,297,000 -38,585,000   -6,291,000 -66,907,000 -7,069,000 -887,000 39,305,000 364,227,000 17,257,000 2,795,000 8,727,000 -93,396,000 -49,268,000 146,974,000 -11,401,000 -2,900,000 -4,828,000 -3,529,000 -6,797,000   -3,164,000 -4,546,000  -24,993,000 -9,681,000 23,736,000  -16,302,000 -12,758,000 21,372,000  -4,736,000              
      effects of exchange rate changes
    -73,000 1,046,000 679,000 1,248,000 -230,000 -383,000 631,000 -243,000 -667,000 130,000 921,000 -1,429,000 -1,264,000 -260,000 -182,000 -201,000 435,000 -446,000 898,000 658,000 437,000 -381,000 100,000 -322,000 -54,000 -46,000 6,000 -154,000 -600,000 608,000 95,000 380,000 225,000 688,000 -1,003,000 118,000 -42,000 448,000 -36,000 -500,000 203,000 -682,000  181,000    193,000     -64,000 
      net change in cash and cash equivalents
    3,820,000 -3,043,000 -1,079,000 776,000 3,994,000 -190,000 -3,107,000 -173,000 1,331,000 2,142,000 -7,581,000 -11,493,000 11,938,000 5,775,000 -3,547,000 -6,336,000 5,411,000 -6,944,000 -91,876,000 -147,314,000 157,492,000 -17,431,000 30,481,000 19,670,000 32,992,000 -28,781,000 17,033,000 10,717,000 22,689,000 -21,638,000 19,358,000 3,989,000 2,156,000 -15,123,000 15,658,000 -5,179,000 2,117,000 -5,368,000 -590,000 4,197,000 -1,309,000 8,788,000 -6,460,000 -3,461,000 2,617,000 5,162,000 3,290,000 -4,097,000 680,000 -14,656,000 11,403,000 14,763,000  
      cash and cash equivalents at beginning of period
    16,713,000 13,294,000 13,101,000 14,462,000 25,878,000 125,007,000 70,645,000 41,844,000 31,464,000 24,236,000 13,150,000 22,774,000    16,104,000     49,643,000 
      cash and cash equivalents at end of period
    3,820,000 -3,043,000 15,634,000 776,000 3,994,000 13,104,000 -3,107,000 -173,000 1,331,000 15,243,000 -7,581,000 -11,493,000 11,938,000 20,237,000 -3,547,000 -6,336,000 5,411,000 18,934,000 -91,876,000 -147,314,000 157,492,000 107,576,000 30,481,000 19,670,000 32,992,000 41,864,000 17,033,000 10,717,000 22,689,000 20,206,000 19,358,000 3,989,000 2,156,000 16,341,000 15,658,000 -5,179,000 2,117,000 18,868,000 -590,000 4,197,000 -1,309,000 21,938,000 -6,460,000 19,313,000    12,007,000     9,677,000 
      net cash provided by/(used in) financing activities
                                                         
      deferred income tax (benefit) expense
      22,000   -253,000    -52,000    401,000     -4,663,000 -4,953,000 993,000 -1,227,000     4,023,000   -359,000      813,000 -371,000 -1,118,000                
      proceeds from (repayments of) borrowings under credit facilities
      16,190,000                                                   
      repayment of debt
      -7,522,000   -7,586,000    -3,907,000                                            
      unearned income due to customer prepayments
           1,615,000 7,337,000 7,724,000  4,442,000    979,000 2,153,000 5,890,000                                    
      proceeds from borrowings under revolving credit agreement
         56,779,000    4,600,000  -3,702,000 3,727,000 49,067,000 75,287,000 20,510,000 7,545,000 14,955,000                                    
      amortization of pension and post-retirement costs
                                                         
      gain on sale of property, plant, and equipment
                                                         
      net pension curtailments and settlements
                        32,000                               
      changes in assets and liabilities, net of acquired assets and liabilities:
                                                         
      decrease (increase) in accounts receivable
                      -14,606,000 8,568,000 -5,718,000 11,049,000 12,213,000 -24,368,000 2,920,000 -14,698,000 3,055,000 1,786,000 -3,478,000 -8,582,000 3,088,000 9,310,000 -17,238,000 -13,644,000 15,685,000 -6,768,000 1,676,000 -14,689,000 16,360,000 3,039,000 845,000 -5,467,000 13,118,000 -8,214,000 8,834,000 11,538,000 43,155,000 -13,094,000 -5,765,000 930,000 20,980,000 20,651,000  
      decrease (increase) in inventory
                      8,595,000 10,702,000 -3,862,000 -16,723,000 1,942,000 20,783,000 10,867,000 -9,561,000    5,097,000 491,000 -3,455,000 3,095,000 -9,593,000 7,497,000 2,141,000 1,680,000 -527,000 9,444,000 7,778,000 8,075,000 -5,925,000 -6,264,000 -13,363,000 -745,000 4,915,000 8,275,000 -21,198,000 -2,141,000 6,752,000 19,952,000 -829,000  
      decrease (increase) in prepaid and other current assets
                      3,161,000 6,578,000 -8,391,000 1,127,000 1,834,000 172,000 -32,000 -556,000 -3,486,000 -280,000 5,562,000 -634,000 -5,529,000 3,190,000 -7,832,000 -1,435,000 1,614,000 -174,000 -775,000 -7,000 4,104,000 2,072,000 -1,557,000 -2,480,000 388,000 153,000 1,994,000 5,335,000 3,062,000 -1,280,000 225,000 -6,654,000  -1,972,000  
      increase in accounts payable and accrued expenses
                      -12,118,000 -2,125,000 5,368,000 -13,002,000 -4,461,000 4,699,000 -2,783,000 -16,030,000 19,110,000 3,899,000 2,119,000 -16,308,000 16,442,000 2,472,000 16,354,000 -835,000 4,965,000 5,664,000 7,214,000 -15,085,000 1,310,000 -2,417,000 1,612,000 -18,494,000 3,849,000 -16,474,000 13,477,000 14,277,000 2,245,000 -12,004,000 -952,000 15,708,000 243,000 -1,163,000 -11,413,000 
      increase in unearned revenue
                      3,233,000 -41,000 681,000 -938,000 -1,810,000 -640,000   -1,888,000 233,000   -410,000 3,061,000 559,000 1,126,000 -44,000 -1,803,000 -488,000 -255,000 -411,000 -490,000 -5,793,000 5,510,000 3,641,000 1,462,000 18,000 -175,000 1,024,000 651,000 1,532,000 300,000 -959,000 -83,000 -5,252,000 
      increase in interest and taxes payable
                      -300,000 -915,000 690,000 368,000 694,000 -369,000 -3,655,000 2,525,000 -5,122,000 3,473,000 458,000 1,626,000 1,569,000 -968,000 122,000 -1,237,000 1,613,000 -412,000 301,000 1,009,000 -1,806,000 -2,344,000 1,926,000 1,314,000 -4,856,000 2,648,000 2,283,000 -1,747,000 -1,706,000 2,054,000 1,297,000 6,093,000 -14,497,000 -12,777,000 -1,600,000 
      increase in unearned income due to customer prepayments
                      13,718,000 13,672,000                                  
      other — net
                                                  7,637,000 -20,000 -320,000  -1,842,000 -1,242,000 826,000 
      proceeds from issuance of debt
              2,633,000                                           
      net cash (used in)/provided by financing activities
                                                         
      impairment charges
                      -294,000                                  
      proceeds from settlement of currency exchange contract
                                                        
      proceeds from (repayments of) borrowings under revolving credit agreement
                                                         
      payments for acquisition
                                  -98,000 -16,406,000                    
      proceeds from issuance of long-term debt
                                  10,000,000 18,000,000 27,000,000 10,000,000 24,010,000 2,990,000 9,897,000 41,103,000 80,000 30,086,000 90,000 98,000 26,072,000 20,000,000 18,000,000 300,000 335,000  
      (gain) loss on sale of property, plant, and equipment
                                  -1,357,000 60,000 119,000 28,000 -47,000 94,000 25,000 -720,000                
      domestic pension plan contributions
                          -1,500,000 -1,500,000 -1,500,000 -4,000,000 -25,000,000 -4,000,000 -9,000,000                        
      proceeds from term loan
                                                         
      deferred income tax benefit
                                     -696,000                    
      accounts payable
                                                         
      accrued expenses
                                                         
      loss on sale of property, plant, and equipment
                                                         
      changes in assets and liabilities net of acquired assets and liabilities:
                                                         
      proceeds from short-term debt under revolving credit agreement
                                                         
      short-term debt under revolving credit agreement
                       -30,000,000                                  
      held for sale impairment charges
                                                         
      held-for-sale impairment charges
                         10,766,000                                
      pension curtailment charge
                                                         
      pension settlement charges
                                                         
      net cash (used in) investing activities
                              -6,853,000      -5,520,000 -22,718,000     -11,018,000 -14,368,000 -15,702,000 -10,944,000            
      repayment of short-term debt
                                                         
      principal payments under capital lease obligations
                              -288,000 -148,000 -214,000 -211,000 -199,000 -261,000 -193,000 -190,000 -187,000 -124,000 -184,000 -241,000 -177,000 -178,000 -174,000 -230,000 -169,000 -163,000 -166,000 -169,000 -265,000 -257,000 -213,000     
      net cash (used in) financing activities
                              -3,251,000                           
      non-cash compensation expense
                               3,553,000                          
      decrease (increase) in inventories
                               9,326,000                          
      adjustments to reconcile net income to net cash provided from (used in) operating activities:
                                                         
      proceeds from issuance of short-term debt
                                    -3,799,000 6,186,000  -2,028,000 -8,298,000 14,103,000                
      adjustments to reconcile net income to net cash provided from operating activities:
                                                         
      deferred tax expense
                                                         
      increase in long-term liabilities
                                  1,347,000 -1,720,000 1,400,000 -5,291,000 8,636,000 -3,099,000 -3,301,000 -2,920,000 -3,748,000 -3,374,000 -281,000 -1,520,000 7,628,000 -7,671,000 5,727,000 -1,435,000 -5,077,000 -1,623,000 255,000 970,000    
      net cash provided from operating activities
                                              39,254,000      16,219,000 20,421,000 41,556,000 29,151,000  
      common shares withheld for taxes
                                   -95,000 -822,000 -1,480,000                    
      net cash (used in) operating activities
                                     -16,829,000        -4,067,000            
      deferred tax (benefit) expense
                                                         
      issuance of common stock under stock option plans
                                              -1,000 65,000 88,000 14,000 15,000 637,000 1,755,000 53,000 47,000 249,000 
      tax benefit from stock compensation realization
                                              368,000 13,000 -953,000 740,000 269,000 376,000      
      other investments — net
                                                  -4,287,000  46,000  5,000 -16,000 
      proceeds from issuance (repayment) of short-term debt
                                          -14,805,000 11,806,000 2,333,000 13,000      8,561,000 8,051,000 28,115,000  -5,074,000  
      amortization of mine development costs
                                                         
      decrease (increase) in deferred income taxes
                                           1,664,000 1,837,000 340,000  17,000          
      other investments-net
                                                         
      net cash provided from financing activities
                                             24,481,000  22,760,000    19,317,000      
      reimbursement for capital spending under government contract
                                                         
      payments for purchase of business less cash received
                                                         
      net cash (used in) provided from financing activities
                                                -26,300,000         
      debt issuance costs
                                                         
      payment of dividends
                                               -1,648,000          
      effect of exchange rate changes
                                                         
      depreciation, depletion and amortization
                                               12,131,000 10,807,000 8,123,000 11,280,000 8,894,000 9,616,000 10,304,000 8,323,000 5,936,000 5,343,000 
      net cash (used in) provided from operating activities
                                                         
      payments for purchase of property, plant and equipment
                                               -6,120,000 -8,018,000 -8,753,000 -9,465,000 -3,869,000 -8,501,000 -17,479,000 -12,904,000 -8,785,000 -2,179,000 
      proceeds from sale of property, plant and equipment
                                               3,009,000 -1,000  21,000 31,000 -6,000   277,000 25,000 
      net cash provided from (used in) financing activities
                                                      -19,801,000 -5,498,000  
      proceeds from issuance (repayments) of short-term debt
                                               4,119,000          
      decrease (increase) in other receivables
                                                139,000 -196,000 -2,130,000 942,000 -3,138,000 -8,750,000 -1,411,000   
      issuance (repayment) of short-term debt
                                                         
      effects of exchange rate changes on cash and cash equivalents
                                                         
      cash and cash equivalents at beginning of year
                                                         
      cash and cash equivalents at end of year
                                                         
      net cash provided from (used in) operating activities
                                                         
      reimbursements for capital equipment under government contracts
                                                   1,112,000      
      payments for purchase of business net of cash received
                                                         
      derivative financial instruments ineffectiveness
                                                         
      proceeds from transfer of acquired inventory to consignment line
                                                        
      adjustments to reconcile net income to net cash (used in) provided from operating activities:
                                                         
      derivative financial instrument ineffectiveness
                                                        -510,000 
      repayments of short-term debt
                                                         
      adjustments to reconcile net income to net cash
                                                         
      used in operating activities:
                                                         
      amortization of mine costs
                                                   2,999,000      
      changes in assets and liabilities net of acquired assets
                                                         
      and liabilities:
                                                         
      tax benefit from exercise of stock options
                                                         
      proceeds from transfer of inventory to consignment line
                                                         
      proceeds from sale of business
                                                        
      tax benefit from the exercise of stock options
                                                         
      other - net
                                                         
      proceeds from sale of acquired inventory to consignment line
                                                         
      other investments - net
                                                         
      proceeds from sale of acquired inventory to consignment
                                                         
      proceeds from early termination of 2007 derivative contracts
                                                         
      decrease (increase) in prepaid and other assets
                                                         
      proceeds from sale of inventory to consignment line
                                                         
      increase in other long-term liabilities
                                                        949,000 
      proceeds from sales of inventory to consignment
                                                         
      deferred financing cost write-off
                                                         
      purchase of equipment previously held under operating lease
                                                        -448,000 
      proceeds from issuance / (repayment) of short-term debt
                                                         
      proceeds from issuance/(repayment) of short-term debt
                                                        -717,000 
      stock option expense
                                                         
      issuance of common stock
                                                         
      increase in deferred income taxes
                                                         
      proceeds from other investments
                                                         
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.