| Fiscal period | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|
| Period End Date | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
|---|
| Revenues:Marine transportation | 1,913.05 | 1,721.94 | 1,616.97 | 1,322.92 | 1,404.27 | 1,587.08 | 1,483.14 | 1,324.11 | 1,471.89 | 1,663.09 |
| Revenues:Diesel engine services | 1,352.83 | 1,369.70 | 1,167.79 | 923.74 | 767.14 | 1,251.32 | 1,487.55 | 890.31 | 298.78 | 484.44 |
| Total Revenues | 3,265.88 | 3,091.64 | 2,784.75 | 2,246.66 | 2,171.41 | 2,838.40 | 2,970.70 | 2,214.42 | 1,770.67 | 2,147.53 |
| Costs of sales and operating expenses | 2,200.35 | 2,180.42 | 2,060.94 | 1,652.96 | 1,510.82 | 2,030.05 | 2,160.95 | 1,557.56 | 1,126.95 | 1,362.37 |
| Depreciation and amortization | 240.32 | 211.16 | 201.44 | 213.72 | 219.92 | 219.63 | 224.97 | 202.88 | 200.92 | 192.24 |
| Amortization of goodwill | -- | -- | -- | -- | -- | 0.00 | -- | -- | -- | -- |
| Impairment of goodwill | 56.30 | -- | -- | -- | -- | -- | 2.70 | -- | -- | -- |
| Selling, general and administrative | 337.10 | 335.21 | 302.69 | 266.91 | 258.27 | 312.91 | 304.40 | 220.36 | 174.75 | 193.24 |
| Taxes, other than on income | 34.91 | 34.77 | 35.07 | 36.25 | 42.00 | 41.93 | 39.25 | 29.16 | 22.73 | 20.70 |
| Impairment of long-lived assets | -- | -- | -- | (340.71) | (561.27) | 0.00 | (82.71) | (105.71) | -- | -- |
| Gain on disposition of assets | 2.21 | 5.01 | 8.28 | 5.76 | 0.12 | 8.15 | 1.97 | (4.49) | (0.13) | 1.67 |
| Lease cancellation costs | -- | -- | -- | -- | -- | 0.00 | (2.40) | -- | -- | -- |
| Total Operating Expenses | 2,866.78 | 2,756.55 | 2,591.87 | 2,504.79 | 2,592.17 | 2,596.37 | 2,815.41 | 2,120.17 | 1,525.48 | 1,766.87 |
| Operating Income (Loss) | 399.10 | 335.09 | 192.89 | (258.13) | (420.76) | 242.03 | 155.29 | 94.25 | 245.20 | 380.66 |
| Interest expense | 49.13 | 52.01 | 44.59 | 42.47 | 48.74 | 55.99 | 46.86 | 21.47 | 17.69 | 18.74 |
| Impairment of equity investment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Equity in earnings of marine affiliates | -- | -- | -- | -- | -- | 0.38 | 0.36 | 0.29 | 0.53 | 0.45 |
| Minority interests | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Investment income and other income (expense) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other income (expense) | 12.80 | 11.04 | 16.68 | 10.00 | 8.15 | 3.41 | 5.37 | (0.05) | (0.29) | (0.66) |
| Loss on debt retirement | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earnings before taxes on income | 362.76 | 294.13 | 164.98 | (290.60) | (461.35) | 189.82 | 114.16 | 73.01 | 227.75 | 361.71 |
| Current : State and local | -- | 5.50 | 3.79 | 1.56 | 3.42 | 0.08 | -- | 3.86 | 6.34 | 9.45 |
| Provision for taxes on income | 75.87 | 71.22 | 42.21 | (43.83) | (189.76) | 46.80 | 35.08 | (240.89) | 84.94 | 133.74 |
| Foreign: Current | -- | 0.47 | 0.13 | (0.51) | 0.27 | 0.20 | -- | 0.37 | -- | -- |
| Foreign: Deferred | -- | -- | -- | -- | -- | -- | -- | 0.16 | -- | -- |
| Federal-Current | -- | (0.04) | 0.51 | (0.46) | (218.61) | (0.31) | -- | 11.14 | 28.92 | 64.71 |
| Federal-Deferred | -- | 61.21 | 34.98 | (48.84) | 37.44 | 45.13 | -- | (258.70) | 49.69 | 59.58 |
| U.S. State: Deferred | -- | 4.09 | 2.80 | 4.42 | (12.27) | 1.71 | -- | 2.28 | -- | -- |
| NET INCOME (LOSS) BEFORE PREFERRED DIVIDEND & OTHER ADJUSTMENTS | 286.90 | 222.91 | 122.76 | (246.77) | (271.59) | 143.02 | 79.08 | 313.90 | 142.80 | 227.97 |
| Less: Net earnings attributable to noncontrolling interests | 0.19 | (0.03) | 0.47 | 0.18 | 0.95 | 0.67 | 0.63 | 0.72 | 1.40 | 1.29 |
| Net earnings attributable to Kirby | 286.71 | 222.94 | 122.29 | (246.95) | (272.55) | 142.35 | 78.45 | -- | 141.41 | 226.68 |
| Undistributed earnings allocated to restricted shares | 0.04 | 0.06 | 0.03 | -- | -- | 0.37 | 0.32 | -- | 1.00 | 1.35 |
| Net Income (Loss) Available to Common Shareholders | 286.67 | 222.87 | 122.26 | (246.95) | (272.55) | 141.98 | 78.13 | 313.19 | 140.41 | 225.34 |
| Income available to Kirby common stockholders - diluted | 286.67 | -- | 122.26 | (246.95) | (272.55) | -- | 78.13 | -- | 140.41 | 225.34 |
| Net Earnings Per Share (Basic) | 4.95 | 3.74 | 2.04 | (4.11) | (4.55) | 2.38 | 1.31 | 5.62 | 2.63 | 4.12 |
| Net Earnings Per Share (Diluted) | 4.91 | 3.72 | 2.03 | (4.11) | (4.55) | 2.37 | 1.31 | 5.62 | 2.62 | 4.11 |
| Weighted Average Shares Outstanding (Basic) | 57.95 | 59.53 | 60.04 | 60.05 | 59.91 | 59.75 | 59.56 | 55.31 | 53.45 | 54.73 |
| Weighted Average Shares Outstanding (Diluted) | 58.36 | 59.86 | 60.33 | 60.05 | 59.91 | 59.91 | 59.69 | 55.36 | 53.51 | 54.83 |