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Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Revenues |  |  |  |  |
Revenue |  | $ 287,497 | $ 274,016 | $ 566,260 | $ 540,867
Operating expenses: |  |  |  |  |
Salaries, wages, and related expenses |  | 106,373 | 101,280 | 206,708 | 200,439
Fuel expense |  | 29,093 | 31,428 | 60,045 | 65,519
Operations and maintenance |  | 15,552 | 16,235 | 29,148 | 33,344
Revenue equipment rentals and purchased transportation |  | 62,755 | 67,983 | 129,506 | 130,999
Operating taxes and licenses |  | 2,283 | 3,317 | 5,644 | 6,780
Insurance and claims |  | 17,148 | 11,043 | 32,538 | 23,736
Communications and utilities |  | 1,272 | 1,215 | 2,675 | 2,499
General supplies and expenses |  | 14,477 | 12,775 | 35,307 | 26,395
Depreciation and amortization |  | 22,130 | 18,944 | 43,238 | 33,519
Loss (gain) on disposition of property and equipment, net |  | 837 | (1,987) | 1,539 | (11,778)
Total operating expenses |  | 271,920 | 262,233 | 546,348 | 511,452
Operating income |  | 15,577 | 11,783 | 19,912 | 29,415
Interest expense, net |  | 3,799 | 2,124 | 7,137 | 2,893
Income from equity method investment |  | (4,094) | (5,381) | (7,770) | (11,324)
Income before income taxes |  | 15,872 | 15,040 | 20,545 | 37,846
Income tax expense |  | 3,828 | 2,897 | 4,677 | 9,218
Income from continuing operations, net of tax |  | 12,044 | 12,143 | 15,868 | 28,628
Income from discontinued operations, net of tax |  | 150 | 150 | 300 | 300
Net income |  | $ 12,194 | $ 12,293 | $ 16,168 | $ 28,928
Basic income per share: (1) |  |  |  |  |
Income from continuing operations (in dollars per share) |  | $ 0.92 | $ 0.94 | $ 1.21 | $ 2.18
Income from discontinued operations (in dollars per share) |  | 0.01 | 0.01 | 0.02 | 0.02
Net income per share (in dollars per share) | [1] | 0.93 | 0.95 | 1.23 | 2.2
Diluted income per share: (1) |  |  |  |  |
Income from continuing operations (in dollars per share) |  | 0.87 | 0.9 | 1.15 | 2.08
Income from discontinued operations (in dollars per share) |  | 0.01 | 0.01 | 0.02 | 0.02
Net income per share (in dollars per share) | [1] | $ 0.88 | $ 0.91 | $ 1.17 | $ 2.1
Basic weighted average shares outstanding (in shares) |  | 13,146 | 12,939 | 13,117 | 13,150
Diluted weighted average shares outstanding (in shares) |  | 13,831 | 13,574 | 13,802 | 13,766
Cargo and Freight [Member] |  |  |  |  |
Revenues |  |  |  |  |
Revenue |  | $ 256,512 | $ 243,704 | $ 504,197 | $ 477,126
Fuel Surcharge [Member] |  |  |  |  |
Revenues |  |  |  |  |
Revenue |  | $ 30,985 | $ 30,312 | $ 62,063 | $ 63,741
[1] | Total may not sum due to rounding.

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