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CONDENSED STATEMENTS OF EARNINGS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Revenues: |  |  |  |
Total revenues | $ 541,159 | $ 771,042 | $ 1,185,085 | $ 1,515,663
Costs and expenses: |  |  |  |
Costs of sales and operating expenses | 373,539 | 563,495 | 827,107 | 1,100,150
Selling, general and administrative | 65,612 | 69,150 | 137,692 | 141,946
Taxes, other than on income | 13,065 | 10,579 | 24,471 | 20,577
Depreciation and amortization | 54,502 | 55,093 | 110,288 | 110,316
Impairments and other charges | 0 | 0 | 561,274 | 0
(Gain) loss on disposition of assets | 189 | (3,118) | (303) | (5,275)
Total costs and expenses | 506,907 | 695,199 | 1,660,529 | 1,367,714
Operating income (loss) | 34,252 | 75,843 | (475,444) | 147,949
Other income | 2,290 | 2,381 | 5,013 | 1,813
Interest expense | (12,708) | (15,515) | (25,507) | (28,716)
Earnings (loss) before taxes on income | 23,834 | 62,709 | (495,938) | 121,046
(Provision) benefit for taxes on income | 1,429 | (15,269) | 174,238 | (29,149)
Net earnings (loss) | 25,263 | 47,440 | (321,700) | 91,897
Less: Net earnings attributable to noncontrolling interests | (261) | (153) | (539) | (314)
Net earnings (loss) attributable to Kirby | $ 25,002 | $ 47,287 | $ (322,239) | $ 91,583
Net earnings (loss) per share attributable to Kirby common stockholders: |  |  |  |
Basic (in dollars per share) | $ 0.42 | $ 0.79 | $ (5.38) | $ 1.53
Diluted (in dollars per share) | $ 0.42 | $ 0.79 | $ (5.38) | $ 1.53
Marine Transportation [Member] |  |  |  |
Revenues: |  |  |  |
Total revenues | $ 380,987 | $ 404,286 | $ 784,244 | $ 772,407
Distribution and Services [Member] |  |  |  |
Revenues: |  |  |  |
Total revenues | $ 160,172 | $ 366,756 | $ 400,841 | $ 743,256

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