7Baggers

Kirby Quarterly Cash Flow Statements Chart

Quarterly
 | 
Annual
 
 Operating Cash Flow  
 Investing Cash Flow  
 Financing Cash Flow  
 Free Cash Flow  
 Capital Expenditure  
20191231 20200331 20200630 20200930 20201231 20210331 20210630 20210930 20211231 20220331 20220630 20220930 20221231 20230331 20230630 20230930 20231231 20240331 20250331 20250630 -126.77-77.8-28.8320.1369.1118.07167.03216Milllion

Kirby Quarterly Cash Flow Statements Table

Quarterly
 | 
Annual
 
Unit: USD2025-06-30 2025-03-31 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 2016-09-30 2016-06-30 2016-03-31 2015-09-30 2015-06-30 2015-03-31 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 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 
                                                                            
  cash flows from operating activities:                                                                          
  net earnings94,378,000 76,270,000 69,915,000 61,962,000 63,004,000 57,318,000 40,621,000 37,325,000 39,244,000 28,606,000 17,586,000     22,415,000 27,693,000 -73,510,000 -248,190,000 2,972,000 48,150,000 47,440,000 44,457,000 37,128,000 -19,509,000 28,793,000 32,666,000 183,830,000 -24,828,000 25,972,000 27,645,000 32,353,000 39,109,000 38,484,000 57,111,000 58,376,000 61,411,000 77,213,000 75,911,000 63,011,000 69,696,000 63,792,000 57,552,000 53,731,000 48,435,000 51,879,000 56,769,000 53,594,000 42,229,000 32,900,000 31,923,000 30,905,000 29,643,000 24,911,000 29,641,000 35,448,000   38,409,000 41,778,000 40,334,000 36,647,000 34,352,000 34,430,000 30,137,000 24,422,000 23,938,000 25,600,000 23,333,000 22,580,000 19,770,000 17,285,000 18,447,000 13,279,000 
  adjustments to reconcile net earnings to net cash from operations:                                                                          
  depreciation and amortization65,670,000 63,730,000 57,642,000 54,905,000 53,445,000 51,697,000 51,109,000 50,945,000 50,419,000 50,115,000 49,964,000 50,234,000 53,462,000 55,132,000 54,890,000 54,854,000 54,779,000 54,502,000 55,786,000 54,861,000 54,455,000 55,093,000 55,223,000 167,042,000 -51,780,000 55,492,000 54,218,000 93,941,000 -45,257,000 48,293,000 48,170,000 50,142,000 49,661,000 48,624,000 49,759,000 46,825,000 45,766,000 42,433,000 41,407,000 41,036,000 41,640,000 40,271,000 40,996,000 35,729,000 35,197,000 36,474,000 35,796,000 36,827,000 28,213,000 25,193,000 24,937,000 24,135,000 22,854,000 23,370,000 24,244,000 24,929,000 22,519,000 22,276,000 24,067,000 22,420,000 22,385,000 22,327,000 20,642,000 20,407,000 20,280,000 19,587,000 17,102,000 16,689,000 15,515,000 15,090,000  13,725,000 13,964,000 14,981,000 
  benefit from deferred income taxes7,047,000 2,570,000 9,411,000  16,203,000 17,665,000 12,573,000         19,781,000     14,495,000 13,517,000 12,490,000  13,457,000 14,535,000 8,846,000 44,222,000 14,132,000 10,089,000 8,562,000 16,582,000 14,969,000 14,713,000 5,921,000 6,619,000 7,182,000 16,314,000 5,629,000 8,784,000 20,640,000 26,386,000 21,497,000 25,891,000 15,591,000 18,183,000 24,621,000 21,643,000 9,930,000 13,810,000 6,414,000 25,605,000 183,000 2,237,000 10,517,000 13,006,000 9,381,000 9,520,000  8,866,000 4,598,000 5,762,000             
  amortization of share-based compensation3,300,000 7,847,000 6,408,000 2,631,000 3,398,000 3,104,000 5,808,000 2,417,000 2,893,000 2,590,000 5,965,000                                                                
  amortization of major maintenance costs7,450,000 7,185,000 8,345,000 7,916,000 7,007,000 7,051,000 6,992,000 7,354,000 7,272,000 7,292,000 7,113,000 7,024,000 9,107,000 8,722,000 8,360,000 8,357,000 7,384,000 7,370,000 7,103,000 6,667,000 6,864,000 5,457,000 4,974,000 5,160,000 5,262,000 5,445,000 4,893,000  5,294,000 4,904,000 5,034,000 4,915,000 4,687,000 4,608,000 6,800,000 5,428,000 4,932,000                                      
  other-1,068,000 1,246,000 1,607,000 4,663,000 -4,890,000 -809,000 -2,302,000 7,325,000 -1,196,000 -2,932,000 -3,480,000 5,650,000 -1,981,000 -3,171,000 -1,138,000 -3,613,000 10,000 3,401,000 112,000  -69,000 -3,262,000 -2,544,000 -111,471,000 112,999,000 -5,000 -1,773,000 -73,989,000 77,884,000 -1,009,000 1,038,000 -429,000 -319,000 -342,000 774,000 1,194,000 -1,124,000 4,199,000 3,534,000 3,605,000 2,181,000 1,320,000 2,155,000 657,000 916,000 1,211,000 798,000 172,000 -49,000 -20,000  -79,000 -41,000 -45,000 712,000 -1,034,000 -415,000 633,000 -590,000 2,000,000 -228,000 188,000 167,000 201,000 -199,000 741,000 242,000 254,000 280,000 -82,000 -2,805,000 780,000 912,000 309,000 
  decrease in cash flows resulting from changes in operating assets and liabilities-82,855,000 -122,307,000 -30,040,000  -41,889,000 75,443,000 -98,321,000           60,132,000 -175,900,000   28,617,000 -81,737,000    -87,926,000          -18,140,000   -3,378,000   -26,538,000 -9,224,000 -39,488,000 -36,285,000  -17,352,000            7,124,000    12,997,000           
  net cash from operating activities93,922,000 36,541,000 123,288,000 216,001,000 96,278,000 211,469,000 16,480,000 132,943,000 65,541,000 63,422,000 32,222,000 41,214,000 82,544,000 95,260,000 102,558,000 85,177,000 117,619,000 170,643,000 71,501,000 124,214,000 199,402,000 149,668,000 38,529,000 74,695,000 118,549,000 135,021,000 18,734,000 66,275,000 65,660,000 108,593,000 85,202,000 126,626,000 98,385,000 111,482,000 131,551,000 143,353,000 102,565,000 74,157,000 136,197,000 115,211,000 181,440,000 171,479,000 97,796,000 109,626,000 63,234,000 73,368,000 96,669,000 97,501,000 54,069,000 63,756,000 75,409,000 66,798,000 46,448,000 56,591,000 82,784,000 85,543,000 70,113,000 81,445,000 62,499,000 84,622,000 37,517,000 61,309,000 79,908,000 68,253,000 40,445,000 47,140,000 47,163,000 40,667,000 31,228,000 31,306,000  41,903,000 27,772,000 36,302,000 
  cash flows from investing activities:                                                                          
  capital expenditures-71,473,000 -78,687,000 -81,047,000 -126,767,000 -103,718,000 -98,046,000 -73,199,000 -52,343,000 -41,204,000 -43,984,000 -35,075,000 -26,047,000 -33,599,000 -24,317,000 -14,052,000 -18,814,000 -36,541,000 -43,605,000 -49,225,000 -64,096,000 -56,800,000 -66,336,000 -60,932,000 -70,109,000 -78,841,000 -111,950,000 -40,961,000 -178,730,000 -40,928,000 -46,744,000 -45,765,000 -58,257,000 -60,525,000 -50,523,000 -75,050,000 -93,619,000 -96,533,000 -70,799,000 -101,042,000 -62,257,000 -38,872,000 -97,018,000 -71,157,000 -102,041,000 -91,979,000 -61,867,000 -63,028,000 -65,237,000 -66,859,000 -31,114,000 -28,805,000 -40,399,000 -33,214,000 -34,423,000 -29,688,000 -46,364,000 -51,763,000 -64,845,000 -31,494,000 -35,014,000 -57,758,000 -48,753,000 -41,056,000 -27,455,000 -41,923,000 -53,649,000 -29,015,000 -45,728,000 -42,760,000 -21,626,000 -29,165,000 -29,555,000 -39,540,000 -24,023,000 
  free cash flows22,449,000 -42,146,000 42,241,000 89,234,000 -7,440,000 113,423,000 -56,719,000 80,600,000 24,337,000 19,438,000 -2,853,000 15,167,000 48,945,000 70,943,000 88,506,000 66,363,000 81,078,000 127,038,000 22,276,000 60,118,000 142,602,000 83,332,000 -22,403,000 4,586,000 39,708,000 23,071,000 -22,227,000 -112,455,000 24,732,000 61,849,000 39,437,000 68,369,000 37,860,000 60,959,000 56,501,000 49,734,000 6,032,000 3,358,000 35,155,000 52,954,000 142,568,000 74,461,000 26,639,000 7,585,000 -28,745,000 11,501,000 33,641,000 32,264,000 -12,790,000 32,642,000 46,604,000 26,399,000 13,234,000 22,168,000 53,096,000 39,179,000 18,350,000 16,600,000 31,005,000 49,608,000 -20,241,000 12,556,000 38,852,000 40,798,000 -1,478,000 -6,509,000 18,148,000 -5,061,000 -11,532,000 9,680,000  12,348,000 -11,768,000 12,279,000 
  acquisitions of businesses and marine equipment-97,250,000             -6,525,000 -281,825,000 -60,422,000             -4,641,000                 -271,902,000 -58,500,000                         
  proceeds from disposition of assets11,499,000 81,000 2,412,000  1,317,000 12,498,000 8,031,000  9,593,000 9,031,000 14,280,000  22,432,000 11,977,000 4,754,000  1,620,000 925,000 3,993,000 23,167,000 11,126,000 10,177,000 13,187,000 25,586,000 2,598,000 13,027,000 12,181,000 -10,092,000 1,777,000 20,008,000 7,958,000 11,989,000 2,850,000 297,000 2,466,000 396,000 10,240,000 4,255,000 3,521,000 363,000 17,279,000 11,250,000 1,861,000 8,514,000 3,217,000 3,434,000 7,854,000 1,787,000 421,000 1,759,000 2,224,000 1,278,000 4,326,000 1,897,000 3,769,000 2,733,000 214,000 672,000 632,000 79,000 1,225,000 42,000 2,604,000 152,000 134,000 527,000 423,000 634,000 1,557,000 463,000 794,000 -20,000 5,232,000 280,000 
  net cash from investing activities-62,974,000 -175,856,000 -78,635,000 -122,532,000 -139,901,000 -85,548,000 -65,168,000 -48,342,000 -31,611,000 -34,953,000 -24,695,000 -15,513,000 -11,167,000 -19,810,000 -9,298,000 -14,242,000 -41,446,000 -324,505,000 -105,654,000 -45,880,000 -50,374,000 -61,529,000 -295,215,000 -79,443,000 -76,243,000 -168,173,000 -458,757,000 -118,528,000 -490,370,000 -26,736,000 -37,807,000 -50,909,000 -178,666,000 -50,226,000 -72,584,000 -93,223,000 -127,543,000 -73,044,000 -97,521,000 -61,894,000 -21,593,000 -87,300,000 -71,407,000 -93,527,000 -88,762,000 -58,433,000 -97,909,000 -564,628,000 -338,340,000 -87,855,000 -26,581,000 -39,121,000 -28,888,000 -32,526,000 -25,919,000 -43,631,000 -51,549,000 -64,173,000 -30,906,000 -35,237,000 -59,867,000 -50,511,000 -43,872,000 -39,676,000 -43,871,000 -100,484,000 -33,078,000 -75,290,000 -141,239,000 -37,669,000  -30,527,000 -41,308,000 -23,581,000 
  cash flows from financing activities:                                                                          
  borrowings on bank credit facilities19,097,000 224,110,000 43,575,000  69,161,000 -81,536,000 112,691,000                                     -4,560,000    -36,390,000                -50,150,000 24,200,000 49,200,000         
  payment of debt issuance costs  -3,000  -1,000 -1,236,000                                                                    
  proceeds from exercise of stock options262,000 1,509,000 778,000 3,313,000 118,000 2,000 1,549,000 2,336,000 124,000 94,000 411,000 353,000 2,180,000 1,660,000 488,000 1,415,000 277,000 12,695,000 292,000 6,856,000 238,000 580,000 1,258,000   3,337,000 375,000 135,000 2,944,000 4,331,000 1,755,000 311,000 2,262,000 1,923,000 249,000 1,001,000 4,018,000 214,000 135,000 1,060,000 153,000 3,374,000 297,000 718,000 524,000 779,000 753,000 4,201,000 6,542,000 2,145,000 1,012,000 1,947,000 1,097,000 1,662,000 1,080,000 1,109,000 3,830,000 7,169,000 13,716,000 2,006,000 705,000 2,627,000 
  payments related to tax withholding for share-based compensation-8,000 -5,949,000 -5,284,000 -310,000 -3,000 -40,000 -3,555,000 -215,000 -1,000 -99,000 -3,093,000 -3,000 -808,000 -2,045,000 -2,000 -26,000 -3,165,000 -8,000 -20,000 -2,003,000 -1,000 -8,000 -1,047,000 -3,766,000  -25,000 -1,000 -2,873,000                                            
  treasury stock purchases-31,200,000 -101,473,000 -41,787,000 -51,893,000 -23,310,000 -34,416,000 -3,184,000 -4,816,000                                                                  
  net cash from financing activities-13,643,000 115,949,000 -2,014,000 -103,008,000 49,136,000 -116,017,000 -5,190,000 -41,015,000 -22,043,000 -35,763,000 -9,942,000 -45,265,000 -70,052,000 -74,731,000 -121,265,000 -110,183,000 -65,058,000 -60,238,000 331,987,000 -63,022,000 -162,124,000 -72,907,000 256,175,000 8,931,000 -42,887,000 30,340,000 426,931,000 47,871,000 427,959,000 -83,036,000 -50,273,000 -73,195,000 81,423,000 -65,424,000 -61,441,000 -49,632,000 5,170,000 -363,000 -54,986,000 -38,095,000 -158,628,000 -82,754,000 -33,610,000 -16,761,000 26,288,000 -26,139,000 9,124,000 468,160,000 119,510,000 592,000 -2,432,000 -19,224,000 1,827,000 -537,000 1,209,000 -10,628,000 -16,126,000 -19,879,000 -24,882,000 -53,571,000 24,783,000 -12,226,000 -34,849,000 -48,095,000 24,105,000 53,460,000 -15,550,000 37,463,000 88,118,000 11,696,000  -10,095,000 13,040,000 -11,069,000 
  increase in cash and cash equivalents17,305,000 -23,366,000 42,639,000 -9,539,000    43,586,000    -19,564,000 1,325,000 719,000 -28,005,000 -39,248,000 11,115,000 -214,100,000 297,834,000 15,312,000 -13,096,000                -19,808,000   15,222,000       7,884,000 1,033,000 -164,761,000 -23,507,000 46,396,000 8,453,000 19,387,000 23,528,000 58,074,000 31,284,000   6,711,000 -4,186,000 2,433,000 -1,428,000 1,187,000 -19,518,000 20,679,000 116,000 -1,465,000 2,840,000 -21,893,000 5,333,000  1,281,000 -496,000 1,652,000 
  cash and cash equivalents, beginning of year74,444,000 32,577,000 80,577,000 34,813,000 80,338,000 24,737,000 7,800,000 20,102,000 10,615,000 5,634,000 5,885,000 24,299,000 4,022,000 11,059,000 16,249,000 195,600,000 97,836,000 8,647,000 5,117,000 2,653,000 17,838,000 629,000 
  cash and cash equivalents, end of period17,305,000 51,078,000 75,216,000  5,513,000 9,904,000 26,699,000  11,887,000 -7,294,000 32,398,000  1,325,000 719,000 52,333,000  11,115,000 -214,100,000 322,571,000  -13,096,000 15,232,000 7,289,000  -581,000 -2,812,000 7,010,000  3,249,000 -1,179,000 2,756,000 2,522,000 1,142,000 1,717,000 -2,474,000 498,000 4,491,000 750,000 -16,310,000 19,244,000 1,219,000 1,425,000 3,838,000 -662,000 760,000 5,045,000  1,033,000 -164,761,000 172,093,000  8,453,000 19,387,000 121,364,000  31,284,000 2,438,000 6,040,000  -4,186,000 2,433,000 3,689,000  -19,518,000 20,679,000 2,769,000  2,840,000 -21,893,000 23,171,000  1,281,000 -496,000 2,281,000 
  supplemental disclosures of cash flow information:                                                                          
  cash paid during the period:                                                                          
  interest paid5,206,000 17,711,000 21,511,000 4,041,000 20,723,000 4,260,000 20,293,000 3,062,000 19,593,000 2,139,000 18,022,000 1,744,000 18,221,000 2,181,000 18,732,000 2,945,000 19,511,000 4,531,000 21,734,000 3,330,000 23,165,000 6,014,000 23,257,000 3,597,000 23,090,000 3,322,000 10,763,000  8,666,000 868,000 8,856,000 9,107,000 1,080,000 8,743,000                                         
  income taxes paid54,748,000 24,994,000 1,062,000             928,000 1,205,000   -229,000 763,000     589,000 -721,000  3,114,000 14,588,000 1,686,000 382,000 14,931,000 -412,000                                         
  operating cash outflow from operating leases12,792,000 11,749,000 11,256,000 10,688,000 10,497,000 12,318,000 10,451,000 10,817,000 11,125,000 11,247,000 11,040,000 10,514,000 11,579,000 11,308,000 10,688,000 11,132,000 11,184,000 11,585,000 9,738,000 9,952,000 9,638,000 9,644,000 10,142,000                                                    
  non-cash investing activity:                                                                          
  capital expenditures included in accounts payable11,601,000 -12,011,000 1,590,000 11,872,000 2,759,000 3,133,000 -8,197,000 11,504,000 -4,853,000 -3,168,000 -487,000 32,182,000 4,852,000 -11,194,000 -7,207,000 -24,721,000 6,505,000 7,643,000 -2,707,000 7,465,000 1,033,000 10,399,000 -5,022,000 -10,887,000 10,944,000 -11,050,000 -5,448,000  2,628,000 8,067,000 -1,778,000 7,473,000 -8,782,000 -987,000                                         
  right-of-use assets obtained in exchange for lease obligations8,188,000 5,516,000 5,088,000 6,501,000 11,814,000 10,070,000 10,768,000 8,470,000 4,039,000 3,826,000 6,464,000 15,725,000 10,704,000 1,194,000 6,219,000 4,041,000 3,716,000 34,077,000 4,677,000 11,459,000 7,199,000 1,245,000 1,292,000                                                    
  benefit from doubtful accounts                                                                          
  gain on disposition of assets                       -1,950,000                                       -148,000 -30,000   -239,000 -255,000    24,000   
  impairments                                                                          
  increase in cash flows resulting from changes in:                                                                          
  accounts receivable                       -15,016,000    -106,635,000                       165,000 -5,526,000 2,323,000 -14,525,000 4,360,000 10,376,000 9,278,000 35,069,000                 
  inventory                                                                          
  other assets                       -87,438,000    -299,445,000                                               
  income taxes payable                       -4,222,000    -5,781,000                                               
  accounts payable                       -228,059,000    -224,593,000                                               
  accrued and other liabilities                                                                          
  acquisitions of businesses and marine equipment, net of cash acquired                   -4,951,000 -4,700,000 -5,370,000 -247,470,000 -34,670,000 -69,250,000 -429,977,000 70,294,000                   -42,745,000                -5,419,000 -12,374,000           
  proceeds from disposition of assets and other                                                                          
  borrowings (payments) on bank credit facilities       -20,306,000 19,392,000 1,109,000 1,163,000 -48,000 -54,434,000 -74,017,000 -119,606,000 -110,115,000 -64,852,000 -60,010,000 485,001,000     9,937,000     429,036,000     -62,886,000  88,121,000 102,200,000    -30,310,000                                  
  borrowings on long-term debt   240,000,000 60,000,000            500,000,000   499,295,000              225,000,000    1,000                            
  payments on long-term debt   -350,000,000 -80,000,000 -285,000,000 -20,000,000 -10,000,000 -45,000,000    -150,000,000 -65,000,000        -37,940,000         -42,000,000   -130,000,000 -13,000,000 -213,000,000 -13,002,000 -6,501,000 -6,502,000 -6,567,000 -26,501,000 -50,000 -10,000 -17,000 -40,000 -34,000 -14,000 -159,000 -13,000 -888,000 -27,000 -36,000 -20,000   -772,000 -40,000   -24,000 -25,000 -24,000 -23,000 -1,000 -1,000 -1,301,000 -1,000 
  payment of debt issue costs                         -12,000 -4,251,000                                                
  return of investment to noncontrolling interests and other                                                                          
  cash and cash equivalents, end of year                                                                          
  cash paid (received) during the period:                                                                          
  income taxes paid (refunded)   1,331,000 803,000 -68,615,000 694,000 456,000 907,000                                                                  
  provision (credit) for doubtful accounts                                                                          
  benefit for deferred income taxes       11,796,000   5,856,000 12,029,000 -60,828,000 4,913,000 -533,000   -12,506,000 -6,082,000                                                        
  impairments and other charges              127,933,000 433,341,000                                                        
  return of investment to noncontrolling interest and other    -24,000 -25,000 -24,000  -80,000 -237,000 -348,000                                                                
  acquisitions of businesses          -3,900,000                                                                
  decrease in cash and cash equivalents     9,904,000 -53,878,000   -7,294,000 -2,415,000            -511,000  -581,000 -2,812,000 -13,092,000  3,249,000 -1,179,000 -2,878,000 2,522,000 1,142,000 -4,168,000 -2,474,000   750,000   1,219,000 1,425,000 -7,221,000 -662,000 760,000 -11,204,000            -2,607,000                 
  increase in cash flows resulting from changes in operating assets and liabilities        -43,742,000 -31,728,000 -50,782,000  3,578,000 15,886,000 38,377,000              -37,177,000 16,725,000 -8,140,000 19,568,000 -12,884,000 2,611,000 8,059,000   -69,553,000   43,423,000         -10,087,000            -5,773,000    127,000  -752,000 -8,707,000 -7,266,000  9,398,000 -4,629,000 6,904,000 
  income taxes refunded          -24,000  441,000 1,208,000 -117,659,000    -160,000    -1,024,000                                                    
  amortization of unearned share-based compensation           2,920,000 3,645,000 3,426,000 5,722,000 2,656,000 3,414,000 3,321,000 5,331,000 2,533,000 3,172,000 3,007,000 4,900,000 2,455,000 3,098,000 6,000,000 7,551,000 805,000 3,067,000 3,231,000 2,693,000 3,296,000 2,961,000 2,584,000 3,127,000 2,713,000 2,538,000 3,551,000 3,120,000 2,153,000 3,860,000 2,927,000 2,134,000 2,842,000 2,583,000 1,906,000                             
  net income              -3,120,000                                                            
  adjustments to reconcile net income to net cash from operations:                                                                          
  return of investment to noncontrolling interest            -739,000 -25,000                                                            
  return of investment to noncontrolling interests                                                                          
  purchase of treasury stock                               -1,827,000 -63,304,000 -40,840,000 -98,011,000              -3,209,000 -18,887,000       -7,476,000 -22,726,000 -3,175,000            
  cash acquired in acquisition                       2,313,000                                               
  payments of debt issue costs                    -165,000 -2,232,000                                                    
  equity in earnings of affiliates, net of distributions and contributions                                                                          
  impairment and other charges                                                                          
  amortization of leases                   -80,000 -256,000 -600,000 446,000                                                    
  amortization of debt issuance costs                   490,000 493,000 399,000 320,000 320,000 320,000 319,000 259,000  198,000 388,000 200,000 199,000 201,000 200,000                                         
  acquisitions of noncontrolling interest                                                                          
  stock issued in acquisition                                                                         
  debt assumed in acquisition                                                                        
  payments on bank credit facilities                    -103,572,000 -73,004,000 -240,801,000   18,929,000 -64,414,000    -48,451,000        7,300,000 -41,150,000   -43,650,000   -22,510,000           -21,000,000                -13,600,000 
  impairment of long-lived assets                                                                          
  impairment of goodwill                                                                          
  borrowings (payments) on long-term debt                                                            -26,000    978,000         
  fair value of property transferred in acquisition                                                                         
  current assets:                                                                          
  cash and cash equivalents                           -4,810,000                                               
  accounts receivable:                                                                          
  trade – less allowance for doubtful accounts                                                                          
  inventories – net                                                                          
  prepaid expenses and other current assets                                                                          
  total current assets                                                                          
  property and equipment                                                                          
  less accumulated depreciation                                                                          
  property and equipment – net                                                                          
  goodwill                                                                          
  other intangibles – net                                                                          
  total assets                                                                          
  current liabilities:                                                                          
  bank notes payable                                                                          
  accrued liabilities                                                                          
  deferred revenues                                                                          
  total current liabilities                                                                          
  long-term debt – less current portion                                                                          
  deferred income taxes                                                               -1,567,000 1,216,000 1,041,000  -2,891,000 -64,000 20,000  1,386,000 -352,000 -364,000 
  other long-term liabilities                                                                          
  total long-term liabilities                                                                          
  contingencies and commitments                                                                          
  equity:                                                                          
  kirby stockholders’ equity:                                                                          
  common stock, .10 par value per share. authorized 120,000,000 shares, issued 65,472,000 shares                                                                          
  additional paid-in capital                                                                          
  accumulated other comprehensive income – net                                                                          
  retained earnings                                                                          
  treasury stock – at cost, 5,595,000 shares at september 30, 2018 and 5,783,000 at december 31, 2017                                                                          
  total kirby stockholders’ equity                                                                          
  noncontrolling interests                                                                          
  total equity                                                                          
  total liabilities and equity                                                                          
  revenues:                                                                          
  marine transportation                           1,090,083,000                                               
  distribution and services                                                                          
  total revenues                           1,571,384,000                                               
  costs and expenses:                                                                          
  costs of sales and operating expenses                           1,031,322,000                                               
  selling, general and administrative                           126,794,000                                               
  taxes, other than on income                           8,001,000                                               
  total costs and expenses                           1,259,913,000                                               
  operating income                           311,471,000                                               
  other income                           -85,000                                               
  interest expense                           -18,997,000                                               
  earnings before taxes on income                           292,665,000                                               
  benefit from taxes on income                           -108,835,000                                               
  less: net earnings attributable to noncontrolling interests                           -2,999,000                                               
  net earnings attributable to kirby                           180,831,000                              28,006,000                 
  net earnings per share attributable to kirby common stockholders:                                                                          
  basic                           3,230                                               
  diluted                           3,210                                               
  other comprehensive income, net of taxes:                                                                          
  pension and postretirement benefits                           -10,777,000                                               
  foreign currency translation adjustments                           266,000                                               
  reclassification to retained earnings of stranded tax effects from tax reform                                                                          
  total other comprehensive income, net of taxes                                                                          
  total comprehensive income, net of taxes                           178,536,000                                               
  net earnings attributable to noncontrolling interests                           -2,999,000                                               
  comprehensive income attributable to kirby                           175,537,000                                               
  income taxes                                  23,592,000 45,220,000 140,000 26,351,000 58,067,000 565,000 5,031,000 18,146,000 -177,000 10,179,000 18,425,000 749,000 15,770,000 12,088,000 6,821,000 247,000 490,000 15,448,000 33,809,000 996,000 4,315,000 9,856,000 16,716,000 118,000 2,279,000 24,101,000 36,754,000 2,046,000 20,449,000 13,472,000 29,283,000 137,000 12,032,000 16,878,000 23,229,000 2,933,000  9,637,000 17,959,000 166,000 
  basis for preparation of the condensed financial statements                                                                          
  accounting standards adoptions                                                                          
  statements of earnings:                                                                          
  distribution and services revenues                                                                          
  statements of comprehensive income:                                                                          
  statements of cash flows:                                                                          
  balance sheets:                                                                          
  trade receivables                                                                          
  revenues                                                                          
  marine transportation segment:                                                                          
  inland transportation                                                                          
  coastal transportation                                                                          
  distribution and services segment:                                                                          
  oil and gas                                                                          
  commercial and industrial                                                                          
  acquisitions                                                                          
  assets:                                                                          
  cash                                                                          
  liabilities:                                                                          
  total liabilities                                                                          
  net assets acquired                                                                          
  inventories                                                                          
  finished goods                           -117,534,000                                               
  work in process                           -28,472,000                                               
  fair value measurements                                                                          
  long-term debt                                                                          
  stock award plans                                                                          
  compensation cost                           6,161,000                                               
  income tax benefit                           2,300,000                                               
  outstanding at december 31, 2017                                                                          
  granted                           -123,018,400                                               
  exercised                           21,163,360                                               
  forfeited                           17,054,000                                               
  outstanding at september 30, 2018                                                                          
  range of exercise prices                                                                          
  51.23                                                                          
  64.65 - 68.50                                                                          
  70.65 - 75.50                                                                          
  93.64 - 101.46                                                                          
  51.23 - 101.46                                                                          
  nonvested balance at december 31, 2017                                                                          
  vested                           105,469,340                                               
  nonvested balance at september 30, 2018                                                                          
  29.60                                                                          
  41.24 – 56.45                                                                          
  61.89 – 62.48                                                                          
  70.65 – 99.52                                                                          
  29.60 – 99.52                                                                          
  dividend yield                                                                          
  average risk-free interest rate                           400                                               
  stock price volatility                           6,000                                               
  estimated option term                                                                          
  other comprehensive income                                                                          
  amortization of net actuarial loss                                                                          
  foreign currency translation                                                                          
  total                                                                          
  actuarial gains                                                                          
  adoption of asu 2018-02 – reclassification to retained earnings                                                                          
  segment data                                                                          
  segment profit                                                                          
  total assets:                                                                          
  general corporate expenses                                                                          
  general corporate assets                                                                          
  investment in affiliates                                                                          
  taxes on income                                                                          
  earnings before taxes on income:                                                                          
  united states                                                                          
  foreign                                                                          
  benefit from taxes on income:                                                                          
  federal:                                                                          
  current                           30,023,000                                               
  deferred                           51,319,000                                               
  state and local:                                                                          
  foreign - current                                                                          
  earnings per share                                                                          
  undistributed earnings allocated to restricted shares                                                                          
  income available to kirby common stockholders - basic                                                                          
  undistributed earnings reallocated to restricted shares                                                                          
  income available to kirby common stockholders - diluted                                                                          
  shares outstanding:                                                                          
  weighted-average common stock issued and outstanding                                                                          
  weighted-average unvested restricted stock                                                                          
  weighted-average common stock outstanding - basic                                                                          
  dilutive effect of stock options and restricted stock units                                                                          
  weighted-average common stock outstanding - diluted                                                                          
  retirement plans                                                                          
  components of net periodic benefit cost:                                                                          
  service cost                           5,561,000                                               
  interest cost                           6,373,000                                               
  expected return on plan assets                                                                          
  amortization of actuarial loss                                                                          
  net periodic benefit cost                           -1,361,000                                               
  amortization of actuarial gain                                                                          
  contingencies                                                                          
  item 2.                                                                          
  weighted-average number of common stock - diluted                                                                          
  marine transportation revenues                                                                          
  operating margins                                                                          
  markets serviced                                                                          
  petrochemicals                                                                          
  black oil                                                                          
  refined petroleum products                                                                          
  agricultural chemicals                                                                          
  current assets                                                                          
  other intangibles                                                                          
  liabilities and stockholders’ equity:                                                                          
  current liabilities                                                                          
  item 3.                                                                          
  item 4.                                                                          
  item 1.                                                                          
  item 1a.                                                                          
  item 6.                                                                          
  31.1                                                                          
  31.2                                                                          
  32                                                                          
  101.ins*                                                                          
  101.sch*                                                                          
  101.cal*                                                                          
  101.def*                                                                          
  101.lab*                                                                          
  101.pre*                                                                          
  *                                                                          
  kirby corporation                                                                          
  by:                                                                          
  diesel engine services                                                                          
  loss on disposition of assets                                                                          
  equity in earnings of affiliates                                                                          
  change in fair value of derivative instruments                                                                          
  total comprehensive loss, net of taxes                                                                          
  retirement of interest rate swaps assumed in acquisition                                                                         
  proceeds from noncontrolling interest investments                                                                          
  excess tax benefit from equity compensation plans                                  -49,000 49,000 1,015,000 -19,000 1,502,000 4,653,000 571,000 387,000 1,866,000 -33,000 38,000 2,337,000 559,000 -32,000         -577,000 883,000 316,000 -852,000 2,791,000 3,260,000             
  cash paid during the year:                                                                          
  interest                                  8,926,000 1,360,000 9,190,000 8,415,000 1,003,000 8,957,000 11,909,000 2,592,000 5,420,000 5,309,000 5,277,000 5,342,000 5,131,000 5,455,000 3,194,000 2,675,000 2,656,000 2,767,000 2,620,000 2,561,000 2,687,000 2,717,000 2,681,000 2,814,000 3,381,000 3,305,000 3,383,000 3,933,000 4,557,000 5,396,000 5,215,000 5,003,000 4,882,000 4,163,000 2,884,000 3,225,000  2,800,000 3,229,000 2,999,000 
  noncash investing activity:                                                                          
  stock issued in acquisitions                                                                          
  cash acquired in acquisitions                                                                -77,000       
  disposition of assets for receivables                                                                          
  common stock:                                                                          
  balance at beginning of year                                                                          
  issuance of shares in acquisitions                                                                          
  balance at end of year                                                                          
  additional paid-in capital:                                                                          
  excess of proceeds received upon exercise of stock options and issuance of restricted stock over cost of treasury stock issued                                                                          
  tax benefit realized from equity compensation plans                                                                          
  issuance of restricted stock, net of forfeitures                                                                          
  amortization of unearned compensation                                               2,617,000 2,530,000 1,960,000  2,291,000 2,073,000 4,669,000 3,430,000 2,406,000 2,179,000 1,840,000 2,025,000 2,434,000 2,641,000 2,158,000 1,520,000 1,838,000 1,665,000 1,320,000 1,376,000 2,110,000 1,900,000 1,430,000     
  accumulated other comprehensive income:                                                                          
  other comprehensive loss, net of taxes                                                                          
  retained earnings:                                                                          
  net earnings attributable to kirby for the year                                                                          
  treasury stock:                                                                          
  cost of treasury stock issued upon exercise of stock options and issuance of restricted stock                                                                          
  noncontrolling interests:                                                                          
  acquisition of noncontrolling interests                                                                         
  balance at the end of year                                                                          
  december 31, 2012:                                                                          
  derivatives                                                                          
  contingent liabilities                                                                          
  december 31, 2011:                                                                          
  contingent liability                                                                          
  notional amount                                                                          
  100,000                                                                          
  50,000                                                                          
  liability derivatives                                                                          
  derivatives designated as hedging instruments under asc 815:                                                                          
  foreign currency contracts                                                                          
  interest rate contracts                                                                          
  total derivatives designated as hedging instruments under asc 815                                                                          
  total liability derivatives                                                                          
  derivatives in asc 815 cash                                                                          
  flow hedging relationships:                                                                          
  foreign exchange contracts                                                                          
  long-term debt, including current portion:                                                                          
  150,000,000 senior notes series a due february 27, 2020                                                                          
  350,000,000 senior notes series b due february 27, 2023                                                                          
  540,000,000 term loan due may 31, 2016                                                                          
  325,000,000 revolving credit facility due november 9, 2015                                                                          
  10,000,000 credit line due june 30, 2013                                                                          
  senior notes due february 28, 2013                                                                          
  other long-term debt                                                                          
  2013                                                                          
  2014                                                                          
  2015                                                                          
  2016                                                                          
  2017                                                                          
  thereafter                                                                          
  earnings before taxes on income — united states                                                                          
  state and local                           8,841,000                                               
  united states income tax statutory rate                                                                          
  state and local taxes, net of federal benefit                                                                          
  other – net                                                                          
  current deferred tax assets:                                                                          
  compensated absences                                                                          
  allowance for doubtful accounts                                                                          
  insurance accruals                                                                          
  non-current deferred tax assets and liabilities:                                                                          
  deferred tax assets:                                                                          
  postretirement health care benefits                                                                          
  deferred compensation                                                                          
  unrealized loss on derivative financial instruments                                                                          
  unrealized loss on defined benefit plans                                                                          
  operating income carryforwards                                                                          
  deferred tax liabilities:                                                                          
  property                                                                          
  deferred state taxes                                                                          
  pension benefits                                                                          
  goodwill and other intangibles                                                                          
  additions based on tax positions related to the current year                                                                          
  additions for tax positions of prior years                                                                          
  reductions for tax positions of prior years                                                                          
  settlements                                                                          
  rental expense:                                                                          
  marine equipment — barges                                                                          
  marine equipment — towing vessels                                                                          
  other buildings and equipment                                                                          
  rental expense                                                                          
  outstanding at december 31, 2009                                                                          
  canceled or expired                                                                          
  outstanding at december 31, 2010                                                                          
  outstanding at december 31, 2011                                                                          
  outstanding at december 31, 2012                                                                          
  23.98 — 32.56                                                                          
  34.40 — 36.35                                                                          
  46.74                                                                          
  65.28 — 66.72                                                                          
  23.98 — 66.72                                                                          
  nonvested balance at december 31, 2009                                                                          
  nonvested balance at december 31, 2010                                                                          
  nonvested balance at december 31, 2011                                                                          
  nonvested balance at december 31, 2012                                                                          
  12.69 — 17.88                                                                          
  20.28 — 29.60                                                                          
  35.17 — 36.82                                                                          
  41.24 — 56.45                                                                          
  61.89 — 62.48                                                                          
  12.69 — 62.48                                                                          
  asset category                                                                          
  u.s. equity securities                                                                          
  international equity securities                                                                          
  debt securities                                                                          
  change in benefit obligation                                                                          
  benefit obligation at beginning of year                                                                          
  actuarial gain                                                                          
  gross benefits paid                                                                          
  benefit obligation at end of year                                                                          
  accumulated benefit obligation at end of year                                                                          
  weighted-average assumption used to determine benefit obligation at end of year                                                                          
  discount rate                                                                          
  rate of compensation increase                                                                          
  health care cost trend rate                                                                          
  initial rate                                                                          
  ultimate rate                                                                          
  years to ultimate                                                                          
  effect of one-percentage-point change in assumed health care cost trend rate on postretirement obligation                                                                          
  increase                                                                          
  decrease                                                                          
  change in plan assets                                                                          
  fair value of plan assets at beginning of year                                                                          
  actual return on plan assets                                                                          
  employer contribution                                                                          
  fair value of plan assets at end of year                                                                          
  funded status at end of year                                                                          
  fair value of plan assets                                                                          
  benefit obligations                                                                          
  funded status and amount recognized at end of year                                                                          
  amounts recognized in the consolidated balance sheets                                                                          
  current liability                                                                          
  long-term liability                                                                          
  amounts recognized in accumulated other comprehensive income                                                                          
  net actuarial gain                                                                          
  prior service cost                                                                          
  accumulated other compensation income                                                                          
  projected benefit obligation in excess of plan assets                                                                          
  projected benefit obligation at end of year                                                                          
  accumulated benefit obligation in excess of plan assets                                                                          
  expected employer contributions                                                                          
  first year                                                                          
  expected benefit payments                                                                          
  year one                                                                          
  year two                                                                          
  year three                                                                          
  year four                                                                          
  year five                                                                          
  next five years                                                                          
  expected federal subsidy                                                                          
  components of net periodic benefit cost                                                                          
  amortization:                                                                          
  actuarial loss                                                                          
  prior service credit                                                                          
  other changes in plan assets and benefit obligations recognized in other comprehensive income                                                                          
  current year actuarial loss                                                                          
  recognition of actuarial loss                                                                          
  recognition of prior service credit                                                                          
  total recognized in other comprehensive income                                                                          
  total recognized in net periodic benefit cost and other comprehensive income                                                                          
  weighted-average assumptions used to determine net periodic benefit cost                                                                          
  expected long-term rate of return on plan assets                                                                          
  curtailment loss                                                                          
  other changes in benefit obligations recognized in other comprehensive income                                                                          
  current year actuarial gain                                                                          
  recognition of actuarial gain                                                                          
  recognition of prior service cost                                                                          
  adjustment for actual medicare part d reimbursement                                                                          
  health care cost trend rate:                                                                          
  effect of one-percentage-point change in assumed health care cost trend rate on aggregate service and interest cost                                                                          
  pension and post-retirement benefits                                                                          
  income available to kirby common stockholders — basic                                                                          
  income available to kirby common stockholders — diluted                                                                          
  weighted-average common stock outstanding — basic                                                                          
  dilutive effect of stock options                                                                          
  weighted-average common stock outstanding — diluted                                                                          
  costs and expenses                                                                          
  depreciation and amortization:                                                                          
  capital expenditures:                                                                          
  item 15.                                                                          
  exhibit number                                                                          
  2.1                                                                          
  2.2                                                                          
  2.3                                                                          
  2.4                                                                          
  3.1                                                                          
  3.2                                                                          
  4.1                                                                          
  4.2                                                                          
  10.1                                                                          
  10.2                                                                          
  10.3                                                                          
  10.4                                                                          
  10.5                                                                          
  10.6†                                                                          
  10.7†                                                                          
  10.8†*                                                                          
  10.9†                                                                          
  10.10†                                                                          
  10.11†                                                                          
  10.12†                                                                          
  10.13†                                                                          
  10.14†                                                                          
  21.1*                                                                          
  23.1*                                                                          
  31.1*                                                                          
  31.2*                                                                          
  32*                                                                          
  101.ins**                                                                          
  101.sch**                                                                          
  101.cal**                                                                          
  101.def**                                                                          
  101.lab**                                                                          
  101.pre**                                                                          
  **                                                                          
  †                                                                          
  signature                                                                          
  /s/ joseph h. pyne                                                                          
  joseph h. pyne                                                                          
  /s/ david w. grzebinski                                                                          
  david w. grzebinski                                                                          
  /s/ ronald a. dragg                                                                          
  ronald a. dragg                                                                          
  /s/ richard j. alario                                                                          
  richard j. alario                                                                          
  /s/ c. sean day                                                                          
  c. sean day                                                                          
  /s/ bob g. gower                                                                          
  bob g. gower                                                                          
  /s/ william m. lamont, jr.                                                                          
  william m. lamont, jr.                                                                          
  /s/ david l. lemmon                                                                          
  david l. lemmon                                                                          
  /s/ monte j. miller                                                                          
  monte j. miller                                                                          
  /s/ george a. peterkin, jr.                                                                          
  george a. peterkin, jr.                                                                          
  /s/ richard r. stewart                                                                          
  richard r. stewart                                                                          
  /s/ william m. waterman                                                                          
  william m. waterman                                                                          
  current portion of long-term debt                                                                          
  treasury stock – at cost, 5,784,000 shares at september 30, 2017 and 5,921,000 at december 31, 2016                                                                          
  cash consideration paid                                                                          
  stock consideration through issuance of company common stock                                                                          
  fair value of consideration transferred                                                                          
  outstanding at december 31, 2016                                                                          
  outstanding at september 30, 2017                                                                          
  46.74 - 51.23                                                                          
  64.65 - 74.99                                                                          
  93.64 - 96.85                                                                          
  101.46 - 104.37                                                                          
  46.74 - 104.37                                                                          
  nonvested balance at december 31, 2016                                                                          
  nonvested balance at september 30, 2017                                                                          
  actuarial losses                                                                          
  earnings before taxes on income – united states                                                                          
  subsequent event                                                                          
  land-based                                                                          
  marine                                                                          
  power generation                                                                          
  10.1†*                                                                          
  dated: november 8, 2017                                                                          
  acquisition of noncontrolling interest                                                                         
  acquisition of marine equipment                                   -41,250,000                                      
  acquisitions of marine equipment                                                                          
  payment of contingent liability                                     -4,756,000 -5,000,000                                
  acquisition of businesses and marine equipment                                        -1,532,000 -2,111,000                                
  excess tax benefit (expense) from equity compensation plans                                                 777,000    -122,000                     
  increase in cash flows resulting from changes in operating assets and liabilities:                                                                          
  equity in earnings of affiliates, net of distributions                                                                          
  adjustments to reconcile net earnings to net cash from operating activities:                                                                          
  acquisition of business and marine equipment                                                                          
  adjustments to reconcile net earnings attributable to kirby to net cash from operations:                                                                          
  provision (credit) for deferred income taxes                                                                          
  equity in earnings of marine affiliates, net of distributions                                                              -40,000 -23,000      -466,000  -695,000 273,000 1,193,000 
  return of investment to minority interests                                                                          
  proceeds from minority interest investment                                                                          
  disposition of assets for note receivables                                                                  425,000       
  debt assumed in acquisitions                                                                         
  acquisitions of business and marine equipment, net of cash acquired                                                           -302,000 -3,334,000 -1,800,000    -47,317,000  -22,652,000 -101,268,000 -15,505,000     
  borrowings (payments ) on bank credit facilities                                                                          
  accrued payable for working capital adjustment related to acquisition                                                                     735,000     
  borrowings (payment) on bank credit facilities                                                             -14,150,000             
  cash assumed in acquisition                                                                          
  loss on debt retirement                                                                         
  proceeds from senior notes                                                                        
  payments on senior notes                                                                        
  tax benefit from equity compensation plans                                                               481,000 30,000 1,911,000 216,000 -246,000 2,173,000 3,377,000     
  accrued payable for working capital adjustment related to acquisitions                                                                 264,000         
  equity in earnings of marine affiliates                                                                 -98,000         
  cash paid (received) during the year:                                                                          
  noncash investing and financing activity:                                                                          
  notes payable issued in acquisition                                                                          
  equity in (earnings) loss of marine affiliates, net of distributions                                                                   -88,000       
  proceeds from (payments on) bank credit facilities                                                                          
  proceeds from bank credit facilities                                                                          
  disposition of asset for note receivable                                                                         
  proceeds from (payments on) senior notes                                                                          

We provide you with 20 years of cash flow statements for Kirby stock, allowing you to gain comprehensive visibility into the fundamentals of the company. Our detailed breakdowns include key financial metrics such as operating cash flows, cash levels, capital expenditures, profits, stock-based compensations and profit margins. This in-depth information is essential for making informed investment decisions and understanding the financial health and performance of Kirby stock. Explore the full financial landscape of Kirby stock with our expertly curated income statements.

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