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CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Income Statement [Abstract] |  |  |  |
Operating revenues | $ 811,096 | $ 836,276 | $ 1,643,810 | $ 1,600,881
Operating expenses: |  |  |  |
Salaries, wages and benefits | 266,373 | 253,639 | 534,688 | 495,635
Fuel | 77,740 | 125,446 | 169,154 | 213,867
Supplies and maintenance | 64,964 | 62,656 | 133,189 | 119,681
Taxes and licenses | 25,408 | 23,791 | 50,833 | 47,624
Insurance and claims | 36,806 | 41,071 | 73,291 | 68,563
Depreciation and amortization | 74,898 | 68,471 | 149,211 | 135,700
Rent and purchased transportation | 217,086 | 197,116 | 437,310 | 382,353
Communications and utilities | 4,669 | 3,781 | 9,402 | 7,707
Other | (4,046) | (14,618) | (13,852) | (28,683)
Total operating expenses | 763,898 | 761,353 | 1,543,226 | 1,442,447
Operating income | 47,198 | 74,923 | 100,584 | 158,434
Other expense (income): |  |  |  |
Interest expense | 8,139 | 1,787 | 16,055 | 3,226
Interest income | (1,899) | (313) | (3,451) | (588)
Loss (gain) on investments in equity securities, net | (79) | (24,095) | 2 | (14,289)
Loss from equity method investment | 844 | 0 | 844 | 0
Other | 86 | 126 | 93 | 199
Total other expense (income) | 7,091 | (22,495) | 13,543 | (11,452)
Income before income taxes | 40,107 | 97,418 | 87,041 | 169,886
Income tax expense | 10,087 | 23,809 | 21,487 | 41,242
Net income | 30,020 | 73,609 | 65,554 | 128,644
Net income attributable to noncontrolling interest | (139) | (1,319) | (449) | (2,605)
Net income attributable to Werner | $ 29,881 | $ 72,290 | $ 65,105 | $ 126,039
Earnings per share: |  |  |  |
Basic earnings per share (in dollars per share) | $ 0.47 | $ 1.12 | $ 1.03 | $ 1.94
Diluted earnings per share (in dollars per share) | $ 0.47 | $ 1.12 | $ 1.02 | $ 1.93
Weighted-average common shares outstanding: |  |  |  |
Weighted average common shares outstanding (in shares) | 63,384 | 64,394 | 63,345 | 64,965
Shares used in computing diluted earnings per share (in shares) | 63,687 | 64,726 | 63,689 | 65,327

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