7Baggers
Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 
      
    		                                                                                       
      cash flows from operating activities:
    		                                                                                       
      net income
    		-36,450,000 -48,697,000 1,290,000 -51,392,000 -978,334,000 11,621,000 51,706,000 61,938,000 -278,000 84,614,000 99,678,000 100,097,000 61,452,000 21,886,000 -28,777,000 -361,825,000 -82,998,000 -103,309,000 -106,413,000 -106,527,000 -112,111,000 -150,332,000 -434,722,000 -85,923,000 -261,719,000 -49,447,000 -28,614,000 -201,249,000 -75,042,000 -10,713,000 -34,417,000 195,402,000 -33,769,000 -92,184,000 -63,539,000 -78,122,000 -84,143,000 -85,866,000 -70,503,000 -58,658,000 -225,978,000 -18,975,000 9,125,000 57,583,000 15,976,000 54,283,000 34,822,000 16,591,000 74,420,000 40,768,000 56,230,000 58,859,000 50,806,000 92,538,000 97,274,000 87,595,000 81,928,000 81,638,000 71,252,000 53,854,000 29,374,000 29,528,000 4,186,000 -18,170,000 -18,580,000 -17,743,000 16,203,000 79,492,000 108,746,000 81,422,000 77,409,000 85,106,000 98,181,000 139,551,000 115,801,000 156,318,000 185,990,000 171,690,000 159,256,000 125,192,000 110,135,000 77,665,000 59,748,000 38,480,000 29,964,000 19,607,000 20,682,000 
      adjustments to reconcile net income to net cash from operating activities:
    		                                                                                       
      depreciation, depletion, amortization and impairment
    		225,598,000 261,858,000 231,866,000 254,599,000 374,680,000 267,638,000 274,956,000 278,787,000 197,635,000 126,814,000 128,180,000 123,304,000 122,150,000 121,553,000 116,938,000 411,194,000 141,065,000 144,037,000 152,882,000 153,709,000 157,319,000 173,085,000 186,797,000 180,011,000 400,764,000 208,688,000 214,410,000 212,390,000 281,652,000 212,384,000 209,892,000 211,154,000 196,642,000 219,328,000 156,217,000 157,225,000 163,464,000 170,975,000 176,770,000 175,302,000 332,151,000 181,924,000 175,382,000 180,157,000 237,825,000 153,426,000 147,322,000 183,118,000 140,734,000 137,182,000 136,435,000 132,791,000 142,393,000 128,477,000 122,953,000 127,602,000 110,713,000 102,749,000 96,215,000                         30,872,000 30,789,000   
      impairment of goodwill
    		   0                0 0 0 395,060,000 0                0                                                
      deferred income tax expense
    		-7,303,000 1,345,000 359,000 -7,589,000 -30,428,000 16,745,000 19,507,000 29,543,000 -6,757,000 10,777,000 18,303,000 6,068,000 526,000 0 404,000            -6,604,000    282,000                 -12,564,000 17,385,000 21,193,000 24,555,000 28,705,000 29,155,000 54,169,000 48,407,000 48,808,000 40,158,000 31,382,000 38,619,000 107,122,000 18,980,000 14,465,000 6,923,000 105,711,000 -6,213,000 -7,160,000 9,105,000 22,516,000 12,769,000 16,551,000 14,203,000 2,605,000 6,505,000 18,970,000 10,191,000   1,113,000 5,874,000 16,825,000 -1,864,000 361,000 1,779,000 13,413,000 5,662,000 -3,141,000 7,539,000 
      stock-based compensation
    		8,660,000 9,578,000 12,289,000 10,562,000 12,926,000 10,813,000 12,051,000 13,412,000 27,358,000 6,738,000 -758,000                                                                             
      net (gain) loss on asset disposals
    		      -2,668,000    538,000                                    -1,744,000    125,000        -1,604,000                             
      other
    		1,999,000 -1,806,000 -166,000 6,268,000 539,000 516,000 613,000 135,000 -972,000 903,000 -7,000 -100,000 -62,000 -226,000 -2,116,000 -177,000 -122,000 -118,000 -105,000 -303,000                                                                    
      changes in operating assets and liabilities:
    		                                                                                       
      accounts receivable
    		-30,080,000 29,642,000 -36,544,000 99,961,000 2,046,000 6,526,000 95,119,000 39,337,000 -29,264,000 1,989,000 72,482,000 -19,084,000 -73,283,000 -95,607,000 -21,252,000 -44,115,000 -66,803,000 -15,561,000 -20,877,000 -28,871,000 26,661,000 156,582,000 19,490,000 69,378,000 90,022,000 43,259,000 10,929,000 91,490,000 -45,612,000 -5,895,000 -16,468,000 6,925,000 -110,865,000 -73,251,000 -62,291,000 -2,415,000 -16,817,000 54,197,000 37,362,000 81,580,000 29,128,000 153,504,000 176,672,000 -71,020,000 -86,076,000 -21,529,000 -35,434,000 35,669,000 12,363,000 -10,805,000 -25,220,000 5,123,000 57,937,000 27,661,000 -38,109,000 -49,794,000 -61,955,000 -23,264,000 -48,152,000 -80,989,000 -50,073,000 -21,650,000 -25,732,000 -74,376,000 -2,312,000 79,319,000 211,182,000 24,959,000 -55,917,000 -19,442,000 -167,000 25,293,000 -3,643,000 22,209,000 68,494,000 24,652,000 -5,884,000 -41,051,000 -45,134,000  -63,408,000 -26,426,000 -58,991,000  -12,511,000 -14,862,000 -7,107,000 
      inventory
    		2,752,000 270,000 2,046,000 3,623,000 -5,307,000 806,000 -10,585,000 -1,438,000 -17,053,000                                                                               
      other current assets
    		-1,884,000 -14,496,000 12,516,000 27,056,000 14,707,000 -36,498,000 14,334,000 19,693,000 -5,769,000                                                                               
      other assets
    		6,589,000 288,000 2,948,000 10,363,000 7,398,000 7,609,000 8,390,000 8,226,000 12,935,000                                                                               
      accounts payable
    		29,772,000 -80,906,000 98,038,000 -87,536,000 20,374,000 -81,097,000 35,401,000 -40,341,000 -25,174,000 -28,543,000 24,329,000 -20,483,000 16,808,000 28,703,000 13,958,000 -8,416,000 24,892,000 25,082,000 9,383,000 9,186,000 8,127,000 -42,916,000 -22,999,000 -33,416,000 -27,329,000 917,000 -17,858,000 -37,518,000 -8,503,000 -918,000 -22,514,000 12,573,000 33,127,000 47,120,000 11,252,000 31,676,000 6,086,000 -10,850,000 -14,888,000 -10,909,000 -12,316,000 -43,228,000 -65,196,000 14,756,000 21,853,000 27,748,000 22,264,000 -10,876,000 -3,295,000 4,117,000 21,385,000 -12,097,000 -4,636,000 -38,884,000 30,418,000 -16,025,000 47,371,000 -3,404,000 14,053,000 17,902,000 13,233,000 -1,024,000 19,465,000 15,684,000 6,557,000 6,392,000 -81,306,000 6,293,000 -10,881,000 360,000 14,569,000 -23,498,000 -23,695,000 -19,583,000 26,459,000 -13,096,000 29,418,000 7,507,000 3,355,000  34,087,000 -6,317,000 10,798,000  -2,218,000 551,000 3,894,000 
      accrued liabilities
    		21,314,000 -12,293,000 -113,103,000 57,978,000 -3,213,000 3,844,000 -125,191,000 48,205,000 34,857,000 -5,466,000 -101,080,000 115,632,000 -1,054,000 6,712,000 -56,199,000 58,280,000 776,000 2,097,000 -10,882,000 -14,633,000 -7,370,000 -21,645,000 -15,592,000  1,891,000                                                               
      other liabilities
    		-4,398,000 -4,770,000 -2,689,000 -4,648,000 -5,793,000 -6,707,000 -12,973,000 -2,640,000 -33,243,000 -1,181,000 -5,019,000 -4,451,000 38,756,000 -7,038,000 935,000 -2,854,000 -3,487,000 -122,000 -1,349,000 -1,946,000 -4,078,000 -2,421,000 -2,341,000 -4,130,000 -2,038,000 -2,056,000 -915,000 -401,000 269,000 9,000 67,000 692,000 183,000 -519,000 261,000 1,991,000 -343,000 -460,000 -628,000 -905,000 -1,380,000 -920,000 857,000 1,137,000 1,563,000 1,626,000 221,000 52,000 -167,000 -38,000 53,000 -97,000 68,000 89,000 -897,000 -1,662,000 -1,701,000 -5,268,000 520,000 1,016,000 1,028,000 684,000 506,000 -13,000 -62,000 -52,000 35,000 -263,000 14,372,000 -4,397,000 -8,638,000 7,122,000 -921,000 674,000 -5,404,000 11,803,000 -1,165,000 -3,861,000 6,639,000  -1,089,000 628,000 1,974,000  -2,696,000 -3,220,000 -813,000 
      net cash from operating activities
    		215,803,000 139,749,000 208,141,000 315,834,000 296,289,000 197,522,000 365,891,000 452,632,000 156,076,000 162,857,000 234,349,000 302,941,000 178,230,000 51,343,000 33,674,000 43,898,000 7,401,000 35,575,000 8,622,000 -4,427,000 63,952,000 146,042,000 73,291,000 112,362,000 218,542,000 181,467,000 183,832,000 241,924,000 188,511,000 150,270,000 149,965,000 169,446,000 115,880,000 9,828,000 5,557,000 52,328,000 70,779,000 68,194,000 113,733,000 193,398,000 165,378,000 235,676,000 404,985,000 162,393,000 206,154,000 180,682,000 179,497,000 232,171,000 273,357,000 173,626,000 209,717,000 222,990,000 286,881,000 231,804,000 263,665,000 212,700,000 220,624,000 262,166,000 173,107,000 123,231,000 108,886,000 205,835,000 87,746,000 37,449,000 61,460,000 139,873,000 214,895,000 215,363,000 186,365,000 91,419,000 181,857,000 168,030,000 197,610,000 137,555,000 309,029,000 223,058,000 261,284,000 117,689,000 235,139,000  165,779,000 70,961,000 84,907,000  55,577,000 36,853,000 53,831,000 
      capex
    		-139,697,000 -150,228,000 -166,917,000 -135,771,000 -180,338,000 -117,800,000 -225,677,000 -210,301,000 -183,225,000 -129,731,000 -107,544,000 -125,466,000 -131,959,000 -79,457,000 -91,962,000 -58,891,000 -34,264,000 -38,050,000 -18,362,000 -10,438,000 -14,860,000 -79,202,000 -79,293,000 -69,140,000 -74,034,000 -116,090,000 -129,105,000 -185,194,000 -177,272,000 -182,318,000 -60,433,000 -268,927,000 -128,080,000 -105,709,000 -47,143,000 -27,246,000 -21,076,000 -35,313,000 -7,238,000 0 -189,471,000 0 -242,350,000 0 -256,625,000 27,341,000 -101,570,000 -179,177,000 -164,335,000 0 -150,122,000 -244,190,000 -237,238,000 0 -260,850,000 -310,410,000 -293,520,000 -204,479,000 -165,331,000 -262,042,000 -219,274,000 -180,883,000 -46,703,000 -102,020,000 -104,077,000 -156,751,000 -89,798,000 -119,631,000 -153,100,000 -91,556,000 -84,606,000 -146,242,000 -135,852,000 -149,761,000 -175,831,000 -174,497,000 -166,675,000 -142,531,000 -114,216,000  -105,949,000 -81,149,000 -77,800,000  -47,112,000 -51,778,000 -37,945,000 
      free cash flows
    		76,106,000 -10,479,000 41,224,000 180,063,000 115,951,000 79,722,000 140,214,000 242,331,000 -27,149,000 33,126,000 126,805,000 177,475,000 46,271,000 -28,114,000 -58,288,000 -14,993,000 -26,863,000 -2,475,000 -9,740,000 -14,865,000 49,092,000 66,840,000 -6,002,000 43,222,000 144,508,000 65,377,000 54,727,000 56,730,000 11,239,000 -32,048,000 89,532,000 -99,481,000 -12,200,000 -95,881,000 -41,586,000 25,082,000 49,703,000 32,881,000 106,495,000 193,398,000 -24,093,000 235,676,000 162,635,000 162,393,000 -50,471,000 208,023,000 77,927,000 52,994,000 109,022,000 173,626,000 59,595,000 -21,200,000 49,643,000 231,804,000 2,815,000 -97,710,000 -72,896,000 57,687,000 7,776,000 -138,811,000 -110,388,000 24,952,000 41,043,000 -64,571,000 -42,617,000 -16,878,000 125,097,000 95,732,000 33,265,000 -137,000 97,251,000 21,788,000 61,758,000 -12,206,000 133,198,000 48,561,000 94,609,000 -24,842,000 120,923,000  59,830,000 -10,188,000 7,107,000  8,465,000 -14,925,000 15,886,000 
      cash flows from investing activities:
    		                                                                                       
      purchases of property and equipment
    		-144,479,000 -144,206,000 -161,831,000 -140,350,000 -180,587,000 -130,508,000 -226,941,000 -205,273,000 -160,422,000 -132,394,000 -117,601,000 -119,244,000 -126,355,000 -96,370,000 -94,828,000 -75,483,000 -34,264,000 -38,050,000 -18,523,000 -10,438,000 -13,442,000 -49,673,000 -71,928,000 -64,224,000 -68,028,000 -96,919,000 -118,341,000 -160,890,000 -162,785,000 -194,862,000 -122,921,000 -237,236,000 -143,061,000 -118,350,000 -68,440,000 -39,288,000 -28,677,000 -30,533,000 -21,301,000    -241,466,000    -170,372,000 -179,177,000 -150,686,000   -229,640,000 -232,283,000   -300,142,000 -283,818,000 -245,066,000 -182,552,000 -224,411,000 -214,834,000 -189,907,000 -108,938,000 -102,020,000 -104,077,000 -156,751,000 -89,798,000 -119,631,000 -153,100,000 -91,556,000 -84,606,000 -146,242,000 -135,852,000 -149,761,000 -175,831,000 -174,497,000 -166,675,000 -142,531,000 -114,216,000 -115,196,000 -105,949,000 -81,149,000 -77,800,000 -54,725,000 -47,112,000 -51,778,000 -37,945,000 
      investment in unconsolidated affiliate
    		                                                                                       
      proceeds from disposal of assets, including insurance recoveries
    		4,811,000                                                                                       
      net cash from investing activities
    		-147,634,000 -124,703,000 -164,504,000 -129,929,000 -175,311,000 -122,019,000 -227,485,000 -203,954,000 -571,424,000 -125,867,000 -116,345,000 -113,575,000 -121,458,000 -84,826,000 -93,368,000 -60,970,000 -28,973,000 -25,736,000 -15,915,000 -7,604,000 -3,036,000 -46,688,000 -67,648,000 -50,897,000 -67,110,000 -87,457,000 -96,300,000 -151,952,000 -155,782,000 -160,391,000 -116,427,000 -283,723,000 -140,906,000 -543,408,000 -42,579,000 -35,783,000 -22,488,000 -23,283,000 -16,201,000 -130,662,000 -139,395,000 -217,266,000 -235,639,000 -444,117,000 -278,245,000 -309,265,000 -163,782,000 -177,073,000 -146,997,000 -154,551,000 -173,454,000 -227,308,000 -227,533,000 -194,368,000 -258,752,000 -286,701,000 -282,238,000 -239,546,000 -155,098,000 -460,256,000 -212,841,000 -164,964,000 -66,004,000 -102,019,000 -101,486,000 -156,479,000 -89,357,000 -116,711,000 -148,832,000 -88,408,000 -83,325,000 -173,208,000 -130,465,000 -125,141,000 -173,648,000 -171,546,000 -162,956,000 -141,293,000 -111,190,000  -110,462,000 -84,113,000 -129,632,000  -46,467,000 -62,368,000 -69,199,000 
      cash flows from financing activities:
    		                                                                                       
      purchases of treasury stock
    		-33,575,000 -15,554,000 -20,295,000 -20,479,000 -39,746,000 -132,420,000 -97,782,000 -76,424,000 -23,371,000 -27,329,000 -73,586,000 -57,173,000 0 -12,884,000 -13,000 -2,754,000 -52,000   -50,000 -194,000 -910,000 -20,025,000 -25,192,000 -76,123,000 -79,039,000 -75,113,000 -50,082,000 -51,776,000 -42,951,000 -16,928,000 0 -3,082,000   1,000 0   0 0   0 0 -13,511,000 -43,000 -104,000 -63,375,000   -60,106,000 -38,849,000   -95,000 -3,000 -4,196,000 -20,000 -5,000 -415,000 -1,045,000 -388,000 0 -445,000 -962,000 -216,000 -15,959,000 -50,300,000 -4,212,000 -347,000 -20,158,000 -50,277,000    -152,395,000           
      dividends paid
    		-30,495,000 -30,742,000 -30,877,000 -31,198,000 -31,225,000 -31,815,000 -32,553,000 -33,310,000 -33,217,000 -16,591,000 -16,916,000 -17,160,000 -8,673,000 -8,652,000 -8,611,000 -4,302,000 -3,780,000 -3,769,000 -3,754,000 -3,752,000 -3,746,000 -3,735,000 -7,629,000 -7,738,000 -7,847,000 -8,344,000 -8,499,000 -8,629,000 -8,685,000 -8,832,000 -4,443,000 -4,449,000 -4,271,000 -4,269,000 -3,326,000 -2,961,000 -2,953,000 -2,953,000 -14,712,000 -14,711,000 -14,712,000 -14,712,000 -14,640,000 -14,636,000 -14,634,000 -14,562,000 -14,456,000 -7,208,000 -7,231,000 -7,361,000 -7,312,000 -7,346,000 -7,518,000 -7,650,000 -7,788,000 -7,788,000 -7,777,000 -7,772,000 -7,708,000 -7,709,000 -7,704,000 -7,706,000 -7,677,000 -7,676,000 -7,675,000 -7,675,000 -7,655,000 -24,558,000 -24,803,000 -25,011,000 -18,493,000 -18,484,000 -18,690,000 -18,860,000 -12,527,000 -12,520,000 -12,986,000 -13,413,000 -6,906,000 -6,898,000 -6,904,000 -6,790,000 -6,747,000 -3,347,000 -3,338,000   
      proceeds from borrowings under revolving credit facility
    		   0    0    60,000,000 45,000,000               0 0 0 79,000,000 317,000,000 121,000,000 151,000,000 10,000,000 105,500,000    0 0 0 54,000,000                                             
      repayment of borrowings under revolving credit facility
    		   0    0    -60,000,000 -70,000,000               0 0 0 -347,000,000 -193,000,000 -92,000,000 -36,000,000 -10,000,000 -120,500,000    0 0 0 -357,000,000                                             
      payments of finance leases
    		-1,784,000 -1,800,000 -2,632,000  -4,730,000 -4,676,000 -27,229,000                                                                                 
      net cash from financing activities
    		-65,854,000 -53,847,000 -58,873,000 -63,660,000 -78,794,000 -170,949,000 -161,589,000 -122,744,000 330,570,000 -43,920,000 -98,339,000 -94,548,000 -33,673,000 3,464,000 -8,624,000 -57,056,000 -3,832,000 -7,291,000 -3,754,000 -66,766,000 -3,940,000 -4,790,000 -27,654,000 -52,045,000 -242,181,000 -87,383,000 -83,612,000 -58,731,000 -60,597,000 -51,918,000 228,110,000 119,674,000 21,647,000 107,004,000 468,244,000 -17,692,000 -221,310,000 -21,564,000 -24,712,000 -25,169,000 -22,883,000 -29,132,000 -122,080,000 286,027,000 -8,547,000 -9,746,000 -7,005,000 -9,809,000 -71,927,000 -12,979,000 -2,404,000 31,922,000 -52,284,000 20,813,000 -11,442,000 87,143,000 8,399,000 4,297,000 -8,244,000 290,820,000 81,553,000 -8,624,000 -7,902,000 -4,766,000 -8,965,000 -10,200,000 -13,973,000 -40,452,000 -74,775,000 8,865,000 -65,493,000 2,139,000 -73,587,000 -2,968,000 -131,840,000 -54,442,000 -100,492,000 -211,305,000 -6,906,000  6,081,000 15,214,000 563,000  -2,743,000 -3,166,000 7,046,000 
      effect of foreign exchange rate changes on cash, cash equivalents and restricted cash
    		-1,293,000 -512,000 -853,000 3,566,000 -1,738,000 235,000 750,000 -302,000                                                                                
      net change in cash, cash equivalents and restricted cash
    		                                                                                       
      cash, cash equivalents and restricted cash at beginning of period
    		0 0 241,293,000  0 0 192,680,000                                                                                 
      cash, cash equivalents and restricted cash at end of period
    		1,022,000 -39,313,000 225,204,000  40,446,000 -95,211,000 170,247,000                                                                                 
      supplemental disclosure of cash flow information:
    		                                                                                       
      net cash paid during the period for:
    		                                                                                       
      interest, net of capitalized interest of 723 in 2025 and 938 in 2024
    		                                                                                       
      income taxes
    		-2,336,000 -4,543,000 1,437,000 -439,000 -1,587,000 -12,358,000 -383,000 285,000 -9,788,000 -17,331,000 -335,000 -360,000 -286,000 -732,000 -148,000 0 -30,000 -30,000 4,256,000 159,000 3,952,000 -400,000 -2,000 -591,000 266,000 -1,112,000 -15,000 -105,000 3,256,000 0 21,000 81,000 2,899,000 719,000 248,000 7,729,000 25,384,000 -22,000 19,625,000 33,548,000 45,000 -19,395,000 83,135,000 -51,701,000 -20,163,000 -44,088,000 -10,001,000 -11,239,000 -18,123,000 -9,695,000 -3,543,000 156,000 -870,000 -5,860,000 -1,390,000 -782,000 -1,318,000 61,530,000 -179,000 5,000 -66,000 114,815,000 912,000 6,275,000 -321,000 7,811,000 264,000 -216,146,000 29,790,000 59,161,000 864,000 -310,087,000 37,047,000 93,707,000 3,052,000 -650,388,000 457,042,000 -163,220,000 -21,281,000  134,409,000 -47,185,000 -1,400,000  -8,500,000 -2,000,000 10,000,000 
      non-cash investing and financing activities:
    		                                                                                       
      net decrease in payables for purchases of property and equipment
    		5,017,000 -6,695,000 -5,420,000                  -1,418,000 -29,529,000 -7,365,000                          -13,649,000                                       
      net decrease in deposits on equipment purchases
    		                   3,012,000 1,948,000 54,000 1,336,000          -2,110,000    270,000 425,000 3,972,000          -11,040,000 5,926,000 7,863,000                                     
      purchases of property and equipment through exchange of lease right of use asset
    		-235,000 673,000 334,000 4,579,000 249,000 0 26,133,000 0                                                                                
      derecognition of right of use asset
    		-39,000 -421,000 -334,000 -4,579,000 -359,000 0 -31,179,000 0                                                                                
      net gain on asset disposals
    		 -264,000 -709,000     -2,225,000 1,801,000   -1,517,000 -150,000 -9,295,000 -1,113,000 4,169,000 -1,543,000 -3,212,000 -840,000 278,000 -896,000 -1,222,000 -1,239,000 -2,751,000 -637,000 -3,971,000 -6,545,000 -7,772,000 -3,714,000 -7,062,000 -10,410,000 -14,431,000 -3,712,000 -1,807,000 -13,560,000 -4,963,000 -2,541,000 -4,822,000 -2,445,000 -3,337,000 -1,362,000 -2,998,000 -2,916,000 -7,076,000 -3,870,000   -1,098,000 -1,378,000   -1,111,000 -1,963,000 -28,332,000 -2,400,000  -1,437,000                               
      net decrease in cash, cash equivalents and restricted cash
    		 -39,313,000 -16,089,000                                                                                     
      interest, net of capitalized interest of 443 in 2025 and 527 in 2024
    		                                                                                       
      proceeds from disposal of assets
    		  4,342,000 11,147,000 5,364,000 6,932,000 2,389,000  11,774,000 6,529,000 1,263,000  4,959,000 11,770,000 3,576,000             19,349,000 7,003,000 10,711,000 10,294,000 21,273,000 4,675,000 9,136,000 25,861,000 3,505,000 6,034,000 7,250,000 5,100,000 4,894,000 5,192,000 4,901,000 5,827,000 10,734,000 7,508,000 8,401,000 6,590,000 2,104,000 3,689,000 3,886,000 707,000 2,332,000 4,750,000 54,294,000 4,651,000 13,441,000 1,580,000 5,520,000 1,954,000 2,185,000 1,993,000 24,943,000 288,000 55,000 2,591,000 272,000 441,000 2,920,000 4,268,000 3,148,000 1,281,000                 
      net cash received (paid) during the period for:
    		                                                                                       
      interest, net of capitalized interest of 315 in 2025 and 216 in 2024
    		  -23,998,000                                                                                     
      net increase in deposits on equipment purchases
    		  -4,196,000   4,790,000 -13,552,000   4,901,000 -6,072,000 -4,646,000 -3,193,000 1,683,000 -6,046,000    -242,000      59,000 3,193,000 1,535,000  2,712,000 -3,125,000 -2,294,000    -3,056,000         -91,000 -34,170,000 -20,881,000 -4,677,000     11,005,000 33,792,000 9,070,000 1,900,000 -18,611,000 -14,629,000 5,284,000 -20,503,000 -1,224,000 -16,920,000 -15,228,000 -16,798,000 -915,000                        
      acquisitions, net of cash acquired - nextier
    		       0                                                                                
      acquisitions, net of cash acquired - ulterra
    		   0    0                                                                                
      proceeds from issuance of senior notes
    		       0                                                                                
      repayment of senior notes
    		       0 0 0 -7,837,000                                                                             
      payments on finance leases
    		                                                                                       
      net increase in cash, cash equivalents and restricted cash
    		     -95,211,000 -22,433,000                                                                                 
      cash, cash equivalents and restricted cash at beginning of year
    		                                                                                       
      cash, cash equivalents and restricted cash at end of year
    		                                                                                       
      net cash (paid) received during the year for:
    		                                                                                       
      interest, net of capitalized interest of 1,334 in 2024, 1,692 in 2023, and 976 in 2022
    		                                                                                       
      net increase in payables for purchases of property and equipment
    		     12,708,000 -24,869,000 -5,028,000 -22,803,000 2,663,000 10,057,000 -6,222,000 -5,604,000 16,913,000 2,866,000 16,592,000   161,000     -4,916,000 -6,006,000 -19,171,000 -10,764,000 -24,304,000 -14,487,000 12,544,000 62,488,000 -31,691,000 14,981,000 12,641,000 21,297,000 12,042,000 7,601,000 -4,780,000 14,063,000    -884,000         -14,550,000 -4,955,000   -10,268,000 -9,702,000 40,587,000 17,221,000 -37,631,000 -4,440,000 9,024,000 62,235,000                         
      issuance of common stock for business acquisitions
    		                                                                                       
      cashless exercise of stock options
    		           0 0           0 0                                                               
      credit loss expense
    		    721,000 -273,000 5,231,000             0 0 4,551,000 1,055,000                                                                 
      interest, net of capitalized interest of 938 in 2024 and 1,350 in 2023
    		                                                                                       
      issuance of common stock for business combinations
    		                                                                                       
      interest, net of capitalized interest of 527 in 2024 and 836 in 2023
    		                                                                                       
      interest, net of capitalized interest of 216 in 2024 and 351 in 2023
    		      -10,037,000                                                                                 
      gain on early debt extinguishment
    		       0 0 0 -1,112,000                                                                             
      net cash from operating activities of discontinued operations
    		                                                       0 0 0 -339,000 -297,000 0 0 10,687,000                         
      acquisitions, net of cash acquired - pioneer
    		                                                                                       
      proceeds from disposal of assets and insurance claims
    		               2,781,000 5,413,000 12,432,000 2,713,000 3,137,000 10,527,000 2,985,000 4,280,000 13,327,000 918,000 9,462,000 22,054,000                                                             
      net cash from investing activities of discontinued operations
    		                                                       0 0 0 25,500,000 -8,000 0 0 42,646,000                         
      repayment of term loan
    		                                                                                       
      debt issuance costs
    		       -442,000            -439,000 0   -702,000    -20,000 -136,000 -135,000 -4,198,000     0    0 0 -39,000 -1,940,000         -50,000 -5,982,000       -451,000                            
      interest, net of capitalized interest of 1,692 in 2023, 976 in 2022, and 260 in 2021
    		                                                                                       
      interest, net of capitalized interest of 1,350 in 2023 and 689 in 2022
    		                                                                                       
      net decrease (increase) in deposits on equipment purchases
    		                                        11,878,000 32,418,000 32,220,000                                             
      effect of foreign exchange rate changes on cash
    		           0 0 1,391,000 -942,000 368,000 6,000 -10,000 276,000 -29,000 -16,000 17,000 26,000 -64,000 64,000 -14,000 -48,000 -244,000 -8,000 -304,000 -225,000 -408,000 1,086,000 100,000 234,000 -673,000 364,000 -277,000 391,000 -686,000 -3,141,000 311,000 -3,361,000 115,000 -1,605,000 1,420,000 -473,000 -416,000 1,326,000 -1,250,000 -551,000 -354,000 1,110,000 -775,000 408,000 159,000 -724,000 -3,000 293,000 -99,000 339,000 -152,000 167,000 -30,000 569,000 2,183,000 -500,000 -1,996,000 29,000 29,000 -146,000 -43,000 -517,000 1,099,000 4,000 -630,000 117,000 497,000 -37,000  -264,000 -281,000 87,000     
      net increase in cash and cash equivalents
    		         -6,930,000 19,665,000     -73,760,000 -25,398,000   -78,826,000 56,960,000 94,581,000 -21,985,000 9,356,000 -90,685,000 6,613,000 3,872,000 30,997,000 -27,876,000 -62,343,000 261,423,000 4,989,000 -2,293,000 -426,476,000 431,456,000 -1,820,000 -172,655,000 23,070,000 73,211,000 36,881,000 -41,000 -10,411,000 43,905,000 4,418,000 -82,243,000 -136,909,000 8,237,000 44,873,000 55,759,000 4,846,000 33,308,000 27,250,000 8,174,000 57,474,000 -6,121,000  -53,939,000 26,914,000 10,058,000 -46,304,000 -22,063,000 32,095,000 14,007,000 -69,366,000 -48,422,000 -24,623,000 111,065,000 56,204,000 -37,213,000 11,905,000 32,893,000 -3,082,000 -6,959,000 10,545,000 3,545,000 -3,560,000 -2,047,000 -234,412,000 117,006,000      6,367,000   
      cash and cash equivalents at beginning of period
    		         0 137,553,000  0 0 117,524,000  0 0 224,915,000  0 0 174,185,000  0 0 245,029,000  0 0 42,828,000  0 0 35,152,000  0 0 113,346,000  0 0 43,012,000  0 0 249,509,000  0 0 110,723,000  0 0 23,946,000  0 0 27,612,000  0 0 49,877,000  0 0 81,223,000  0 0 17,434,000  0 0 13,385,000  0 0 136,398,000  0 0 112,371,000  0 0 100,483,000 
      cash and cash equivalents at end of period
    		         -6,930,000 157,218,000  23,099,000 -28,628,000 48,264,000  -25,398,000 2,538,000 214,144,000  56,960,000 94,581,000 152,200,000  -90,685,000 6,613,000 248,901,000  -27,876,000 -62,343,000 304,251,000  -2,293,000 -426,476,000 466,608,000  -172,655,000 23,070,000 186,557,000  -41,000 -10,411,000 86,917,000  -82,243,000 -136,909,000 257,746,000  55,759,000 4,846,000 144,031,000  8,174,000 57,474,000 17,825,000  -53,939,000 26,914,000 37,670,000  -22,063,000 32,095,000 63,884,000  -48,422,000 -24,623,000 192,288,000  -37,213,000 11,905,000 50,327,000  -6,959,000 10,545,000 16,930,000  -2,047,000 -234,412,000 253,404,000  61,134,000 1,781,000 68,296,000  6,413,000 -28,839,000 92,192,000 
      interest, net of capitalized interest of 836 in 2023 and 400 in 2022
    		                                                                                       
      dry holes and abandonments
    		          68,000 0 1,000 1,000 117,000 1,000 6,000 24,000 147,000 29,000 18,000 1,064,000 174,000 15,000 0 73,000 21,000 346,000 7,000 466,000 96,000 1,486,000 415,000       1,065,000 45,000 68,000 46,000 213,000 16,000 38,000 283,000 35,000 39,000 5,000 10,000 191,000 32,000 29,000 56,000 992,000 71,000 102,000 48,000 40,000 -7,000 136,000 350,000 9,000 2,000 -9,000 127,000 723,000 294,000 685,000 -85,000 478,000 45,000 87,000 699,000 629,000 608,000        -222,000   
      amortization of debt discount and issuance costs
    		          396,000 209,000 210,000 209,000 207,000 219,000 208,000 207,000 205,000 239,000 226,000 219,000 228,000 269,000 225,000 222,000 221,000 223,000 220,000 217,000 170,000                                                         
      income taxes receivable/payable
    		          1,520,000 1,952,000 1,677,000 100,000 442,000 138,000 9,000 96,000 4,273,000 350,000 3,948,000 -685,000 -1,978,000 -599,000 218,000 -2,958,000 -14,000           1,017,000 -3,346,000 -2,142,000 -41,490,000 -19,184,000 112,711,000   -27,653,000 14,180,000 10,033,000 2,894,000 -9,747,000 1,267,000 6,821,000 1,143,000 -10,265,000 5,807,000 1,600,000 2,269,000 71,417,000 2,332,000 -70,687,000 519,000 117,307,000 -3,617,000   4,747,000 -1,152,000 -9,001,000 17,666,000 -46,153,000 26,230,000                 
      inventory and other assets
    		          -3,176,000 -1,964,000 5,481,000 -21,043,000 3,372,000 -7,336,000 7,909,000 -3,598,000 -2,825,000 4,942,000 5,327,000 8,531,000 8,392,000 -12,698,000 46,059,000 -10,559,000 6,592,000 6,552,000 17,255,000 -27,986,000 2,709,000 2,949,000 2,788,000 -39,117,000 9,931,000 -2,212,000 4,081,000 822,000 2,973,000 12,659,000 15,502,000 2,353,000 9,724,000 682,000 15,477,000 -24,409,000 2,513,000 -2,520,000 15,895,000 -19,477,000 6,672,000 -3,581,000 2,749,000 776,000 5,332,000 -2,866,000 3,094,000 -14,924,000 1,205,000 -1,908,000 6,419,000 -11,035,000 -2,248,000 -970,000 11,117,000 -1,795,000 5,826,000                    2,608,000 
      interest, net of capitalized interest of 351 in 2023 and 146 in 2022
    		          -8,871,000                                                                             
      stock-based compensation expense
    		           5,639,000 5,656,000 5,162,000 4,642,000 4,685,000 5,048,000 5,934,000 5,891,000 6,485,000 6,592,000 4,335,000 9,160,000 9,270,000 9,670,000 11,050,000 9,338,000 9,476,000 9,177,000 9,907,000 9,365,000 9,382,000 12,931,000 15,039,000 7,131,000 7,194,000 6,938,000 6,981,000 7,211,000 7,324,000 7,355,000 6,976,000 6,855,000 7,087,000 6,986,000 6,248,000 6,711,000 6,863,000 6,909,000 6,216,000 5,903,000 5,982,000 5,963,000 5,782,000 5,458,000 5,538,000 5,516,000 5,543,000 4,307,000 4,898,000 3,894,000 3,861,000 4,126,000 4,106,000 4,500,000 4,914,000 4,694,000 4,987,000 5,007,000 5,019,000 5,118,000                 
      net gain on insurance reimbursement
    		                   0 0                                                                   
      write-down of capacity reservation contract
    		                       0                                                                
      restructuring expenses, non-cash
    		                   999,000 -6,818,000                                                                   
      acquisitions, net of cash acquired
    		                       0 0 0 -13,000 -10,411,000 0                                                   0 -8,176,000 -3,610,000 -61,791,000 0 0 0 -32,514,000 
      cash and cash equivalents at beginning of year
    		                                                                                       
      cash and cash equivalents at end of year
    		                                                                                       
      interest, net of capitalized interest of 976 in 2022, 260 in 2021 and 431 in 2020
    		                                                                                       
      net decrease in cash and cash equivalents
    		            23,099,000 -28,628,000 -69,260,000    -10,771,000                                                               1,781,000 -44,075,000    -8,322,000 
      interest, net of capitalized interest of 689 in 2022 and 117 in 2021
    		                                                                                       
      interest, net of capitalized interest of 400 in 2022 and 56 in 2021
    		                                                                                       
      interest, net of capitalized interest of 146 in 2022 and 24 in 2021
    		              -10,574,000                                                                         
      deferred income tax benefit
    		               -8,226,000 -17,681,000 -16,100,000 -20,973,000 -25,071,000 -12,993,000 -19,025,000 -68,194,000 -23,704,000 -64,631,000   -16,568,000 -16,517,000   -226,156,000 -13,506,000 -53,737,000 -36,947,000  -50,402,000 -47,027,000 -11,616,000  -70,006,000                                               
      (gain) loss on early debt extinguishment
    		                                                                                       
      proceeds from long-term debt
    		                       346,969,000    0 0 0 521,194,000         0 0 0 200,000,000                                             
      repayment of long-term debt
    		                       -365,382,000            0 -230,000,000 -15,000,000 -10,000,000 -10,000,000 -7,500,000 -7,500,000 -2,500,000 -2,500,000 -2,500,000 -2,500,000 -2,500,000 -2,500,000 -1,250,000 -1,250,000 -1,250,000     -2,500,000 -1,250,000 -1,250,000 -1,250,000                             
      interest, net of capitalized interest of 260 in 2021, 431 in 2020 and 732 in 2019
    		                                                                                       
      writedown of capacity reservation contract
    		                    0                                                                   
      interest, net of capitalized interest of 117 in 2021 and 425 in 2020
    		                                                                                       
      interest, net of capitalized interest of 56 in 2021 and 406 in 2020
    		                                                                                       
      receivable from property and equipment insurance
    		                           0 0 0 15,000,000                                                         
      interest, net of capitalized interest of 24 in 2021 and 252 in 2020
    		                  -10,232,000                                                                     
      collection of note receivable
    		                           0 0                                                           
      proceeds from exercise of stock options
    		                                           116,000 8,461,000 14,232,000 8,033,000 0 0 -11,663,000 18,622,000 674,000 65,000 0 195,000 2,771,000 1,032,000 12,609,000 399,000 235,000 0 127,000 163,000 190,000 108,000 234,000 37,000 9,000 172,000 22,561,000 2,806,000 750,000 366,000 447,000 487,000  153,000    12,985,000       
      interest, net of capitalized interest of 431 in 2020, 732 in 2019 and 1,435 in 2018
    		                                                                                       
      loss on early debt extinguishment
    		                       15,776,000                                                                
      net cash (paid) received during the period for:
    		                                                                                       
      interest, net of capitalized interest of 425 in 2020 and 548 in 2019
    		                                                                                       
      interest, net of capitalized interest of 406 in 2020 and 380 in 2019
    		                                                                                       
      interest, net of capitalized interest of 252 in 2020 and 257 in 2019
    		                      -11,401,000                                                                 
      benefit from bad debts
    		                       2,089,000 0                           -500,000 0 0 1,600,000     -500,000 -500,000   -2,890,000 700,000 2,000,000 4,000,000 2,500,000 1,250,000 300,000 300,000 950,000 600,000 400,000 600,000 1,200,000 3,000,000 600,000 600,000 815,000 50,000 143,000 223,000 398,000 192,000 217,000 90,000 
      accrued expenses
    		                          2,871,000 -21,344,000 26,022,000 -11,716,000 11,174,000 -30,107,000 28,919,000 -9,769,000 -3,233,000 -16,957,000 14,042,000 -14,462,000 -7,196,000 -17,577,000 9,168,000 -7,453,000 5,559,000 -9,576,000 10,292,000 13,770,000 -1,648,000 6,868,000 7,558,000 5,245,000 -17,698,000 1,982,000 3,232,000 972,000 -12,234,000 11,853,000 -5,403,000 17,212,000 -5,349,000 -155,000 1,889,000 18,970,000 -2,632,000 2,706,000 229,000 227,000 -24,340,000 -7,735,000 17,945,000 -189,000 -13,771,000 4,992,000 7,768,000 2,704,000 -21,568,000 9,174,000 11,839,000 5,116,000 6,843,000  17,606,000 -182,000 5,238,000  7,917,000 -786,000 -12,547,000 
      other investments
    		                               0                                                        
      proceeds from equity offering
    		                               0 0 0 471,570,000                                                     
      interest, net of capitalized interest of 732 in 2019, 1,435 in 2018 and 1,175 in 2017
    		                                                                                       
      proceeds from exercise of options
    		                            0 0 485,000                                                         
      interest, net of capitalized interest of 548 in 2019 and 1,094 in 2018
    		                                                                                       
      interest, net of capitalized interest of 380 in 2019 and 722 in 2018
    		                                                                                       
      interest, net of capitalized interest of 257 in 2019 and 340 in 2018
    		                          -10,689,000                                                             
      tax expense related to stock-based compensation
    		                                                   -78,000 2,000       244,000 -1,051,000 -1,251,000 -233,000                         
      interest, net of capitalized interest of 1,435 in 2018, 1,175 in 2017 and 398 in 2016
    		                                                                                       
      income taxes receivable
    		                            3,297,000 -41,000 19,000  2,640,000 -1,389,000 248,000                                                     
      proceeds of equity offering
    		                                                                                       
      interest, net of capitalized interest of 1,094 in 2018 and 781 in 2017
    		                                                                                       
      interest, net of capitalized interest of 722 in 2018 and 409 in 2017
    		                                                                                       
      acquisition
    		                              -3,800,000                                                         
      interest, net of capitalized interest of 340 in 2018 and 155 in 2017
    		                              -2,206,000                                                         
      amortization of debt issuance costs
    		                               86,000 87,000 86,000 87,000 86,000 1,461,000 361,000 362,000                                                 
      interest, net of capitalized interest of 1,175 in 2017, 398 in 2016 and 6,332 in 2015
    		                                                                                       
      issuance of common stock for business acquisition
    		                               187,494,000 0   0                                                    
      tax expense on stock-based compensation
    		                                    -1,900,000                                                   
      acquisition, net of cash acquired
    		                                0                                                       
      interest, net of capitalized interest of 781 in 2017 and 327 in 2016
    		                                                                                       
      interest, net of capitalized interest of 409 in 2017 and 286 in 2016
    		                                                                                       
      interest, net of capitalized interest of 155 in 2017 and 185 in 2016
    		                                  -634,000                                                     
      acquisitions
    		                                                                                       
      tax benefit related to stock-based compensation
    		                                        -671,000   47,000 126,000 6,595,000 1,961,000 3,000 -71,000 2,125,000 2,737,000    166,000 555,000 597,000 4,906,000 335,000         56,000 156,000 15,527,000 541,000  14,000               
      interest, net of capitalized interest of 398 in 2016, 6,332 in 2015 and 6,883 in 2014
    		                                                                                       
      cash acquired in acquisition
    		                                                                                       
      interest, net of capitalized interest of 327 in 2016 and 4,946 in 2015
    		                                                                                       
      interest, net of capitalized interest of 286 in 2016 and 3,343 in 2015
    		                                                                                       
      tax expense on stock based compensation
    		                                      -323,000    -34,000                                             
      interest, net of capitalized interest of 185 in 2016 and 1,667 in 2015
    		                                      -3,773,000                                                 
      interest, net of capitalized interest of 6,332 in 2015, 6,883 in 2014 and 7,775 in 2013
    		                                                                                       
      purchases of property and equipment and acquisitions
    		                                        -144,587,000    -285,753,000                                           
      interest, net of capitalized interest of 4,946 in 2015 and 5,268 in 2014
    		                                                                                       
      net increase in payables for purchase of property and equipment
    		                                        -44,884,000              2,553,000                                 
      interest, net of capitalized interest of 3,343 in 2015 and 3,326 in 2014
    		                                                                                       
      deferred income tax (benefit) expense
    		                                          -23,800,000  -41,062,000 225,000 -9,993,000                                         
      interest, net of capitalized interest of 1,592 in 2015 and 1,667 in 2014
    		                                          -783,000                                             
      net cash paid during the year for:
    		                                                                                       
      interest, net of capitalized interest of 6,883 in 2014, 7,775 in 2013 and 8,673 in 2012
    		                                                                                       
      income taxes payable
    		                                                                              55,452,000  20,840,000 -15,720,000 23,253,000     
      interest, net of capitalized interest of 5,268 in 2014 and 6,016 in 2013
    		                                                                                       
      supplemental non-cash investing and financing information:
    		                                                                                       
      net increase in current liabilities for purchases of property and equipment
    		                                            29,128,000 27,341,000 68,802,000                                         
      interest, net of capitalized interest of 3,326 in 2014 and 4,358 in 2013
    		                                                                                       
      interest, net of capitalized interest of 1,667 in 2014 and 2,281 in 2013
    		                                                                                       
      supplemental investing and financing information:
    		                                                                                       
      interest, net of capitalized interest of 7,775 in 2013, 8,673 in 2012 and 8,415 in 2011
    		                                                                                       
      proceeds from senior notes
    		                                                    0                                   
      proceeds from borrowing under revolving credit facility
    		                                                    0 68,900,000 54,500,000                                 
      repayment of borrowing under revolving credit facility
    		                                                    0 -177,400,000 -56,000,000                                 
      interest, net of capitalized interest of 6,016 in 2013 and 6,391 in 2012
    		                                                                                       
      interest, net of capitalized interest of 4,358 in 2013 and 4,065 in 2012
    		                                                                                       
      purchase of property and equipment
    		                                                  -174,161,000    -263,403,000                                 
      purchase of treasury stock
    		                                                  -15,201,000    -15,000                             0 0   
      interest, net of capitalized interest of 2,281 in 2013 and 1,968 in 2012
    		                                                                                       
      net increase in current liabilities for purchase of property and equipment
    		                                                  24,039,000                                     
      interest, net of capitalized interest of 8,673 in 2012, 8,415 in 2011 and 2,288 in 2010
    		                                                                                       
      repayment of other long-term debt
    		                                                    0 -90,000,000 -2,500,000                                 
      interest, net of capitalized interest of 6,391 in 2012 and 6,575 in 2011
    		                                                                                       
      interest, net of capitalized interest of 4,065 in 2012 and 4,468 in 2011
    		                                                                                       
      interest, net of capitalized interest of 1,968 in 2012 and 2,043 in 2011
    		                                                      -364,000                                 
      interest, net of capitalized interest of 8,415 in 2011, 2,288 in 2010 and 0 in 2009
    		                                                                                       
      borrowings under revolving credit facility
    		                                                                                       
      interest expense, net of capitalized interest of 6,575 in 2011 and 0 in 2010
    		                                                                                       
      interest expense, net of capitalized interest of 4,468 in 2011 and 0 in 2010
    		                                                                                       
      interest expense, net of capitalized interest of 2,043 in 2011 and 0 in 2010
    		                                                                                       
      proceeds from long term debt
    		                                                           300,000,000                            
      repayment of long term debt
    		                                                                                       
      interest expense, net of capitalized interest of 2,288 in 2010, 0 in 2009 and 0 in 2008
    		                                                                                       
      depreciation, depletion and impairment
    		                                                            85,431,000 78,783,000 75,716,000 80,512,000 70,131,000 68,857,000 70,347,000  67,998,000 65,673,000 63,726,000 66,805,000 66,523,000 59,947,000 55,931,000 56,125,000 49,215,000 47,481,000 43,549,000 45,818,000 39,216,000 36,959,000 34,400,000     
      interest expense
    		                                                            -1,298,000 -33,000 -1,700,000 -364,000 -923,000 -532,000 15,000 -785,000 18,000 157,000 287,000 -3,569,000 567,000 535,000 659,000 -1,754,000 589,000 -55,000 -58,000  302,000 -57,000 -66,000     
      line of credit issuance costs
    		                                                                0 -621,000 -5,548,000                     
      net income on asset disposals
    		                                                              249,000                         
      revolving credit facility issuance costs
    		                                                                                       
      net gain on asset disposals/retirements
    		                                                                -898,000                       
      tax benefit (expense) related to stock-based compensation
    		                                                                -953,000 -1,176,000 -591,000                     
      repayment of borrowings under line of credit
    		                                                                   0 0 0 -50,000,000 -10,000,000 -15,000,000 -51,500,000 -136,000,000             
      net income on asset disposals/retirements
    		                                                                  174,000                     
      goodwill impairment
    		                                                                                       
      depreciation, depletion and other impairment
    		                                                                                       
      inventory and other current assets
    		                                                                   783,000 7,621,000 -5,689,000 2,777,000 -7,706,000 -1,793,000 7,267,000 7,085,000 -11,320,000   -3,266,000  2,946,000 -7,770,000 780,000  -4,791,000   
      proceeds from borrowings under line of credit
    		                                                                       50,000,000 10,000,000 66,500,000 16,000,000 209,000,000            
      gain on disposal of assets
    		                                                                    -505,000    -330,000               
      embezzlement recovery receivable
    		                                                                                       
      loss on disposal of assets
    		                                                                      186,000                 
      stock based compensation expense
    		                                                                       5,385,000 5,563,000 4,827,000 3,589,000 5,469,000 3,344,000 3,524,000 2,842,000         
      (gain) loss on disposal of assets
    		                                                                          202,000             
      change in other assets
    		                                                                               0 0 0 1,766,000     
      income taxes payable/receivable
    		                                                                        307,000 -40,523,000 46,950,000  17,350,000           
      proceeds from disposal of property and equipment
    		                                                                        5,387,000 24,620,000 2,183,000 2,951,000 3,719,000           
      tax benefit related to exercise of stock options
    		                                                                          200,000     701,000 6,777,000 12,131,000 5,139,000 3,984,000 -1,714,000 702,000 7,694,000 
      changes in operating assets and liabilities, net of business acquired:
    		                                                                                       
      federal income taxes receivable/payable
    		                                                                                       
      repayments on line of credit
    		                                                                                       
      proceeds from exercise of stock options and warrants
    		                                                                                  7,310,000 15,226,000 595,000 1,652,000 7,046,000 
      acquisitions, net of cash received
    		                                                                                       
      (gain) loss on sale of assets
    		                                                                              -871,000    90,000     
      proceeds from sales of property and equipment
    		                                                                              3,026,000 172,000 3,663,000   672,000 645,000 726,000 1,260,000 
      amortization of deferred compensation expense
    		                                                                               704,000 1,013,000 632,000 476,000     
      gain on sale of assets
    		                                                                               330,000 -530,000       
      cumulative effect of change in accounting principle, net of tax
    		                                                                                       
      net cash received (paid) during the year for:
    		                                                                                       
      restricted cash deposited to collateralize retained insurance losses
    		                                                                                    0   
      proceeds from sales and pending sales of property and equipment
    		                                                                                  8,193,000     
      purchase of investment equity securities
    		                                                                                       
      amortization of deferred compensation
    		                                                                                    486,000   
      gain on sale of property and equipment
    		                                                                                    -153,000 -187,000 -1,188,000 
      changes in operating assets and liabilities, net of acquired assets and liabilities assumed:
    		                                                                                       
      federal and state income taxes
    		                                                                                    4,872,000   
      foreign currency translation adjustment
    		                                                                                    46,000 -158,000 31,000 
      interest
    		                                                                                    -75,000 -206,000 76,000 
      depreciation, depletion and amortization
    		                                                                                      27,283,000 
      federal and state income taxes receivable
    		                                                                                      5,696,000 
      depreciation, depletion, and amortization
    		                                                                                       
      proceeds from issuance of notes payable
    		                                                                                       
      payments of notes payable
    		                                                                                       
    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.