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v3.10.0.1

Consolidated Statements of Operations - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Operating revenue | $ 787,594 | $ 698,120 | $ 671,144
Operating expenses (income): |  |  |
Salaries, wages and benefits | 252,047 | 226,091 | 224,827
Purchased transportation | 144,611 | 118,349 | 110,719
Fuel and fuel taxes | 121,633 | 105,390 | 94,075
Supplies and maintenance | 40,853 | 41,613 | 43,912
Depreciation | 88,585 | 85,120 | 82,445
Operating taxes and licenses | 9,473 | 8,993 | 9,099
Insurance and claims | 38,657 | 38,585 | 32,223
Communications and utilities | 6,634 | 6,047 | 6,287
Gain on disposition of assets | (7,244) | (5,499) | (10,502)
Other | 21,997 | 16,569 | 19,756
| 717,246 | 641,258 | 612,841
Operating income | 70,348 | 56,862 | 58,303
Other | (681) | 389 | 1,237
Income before income taxes | 71,029 | 56,473 | 57,066
Income taxes expense (benefit) | 16,002 | (33,811) | 23,602
Net income | $ 55,027 | $ 90,284 | $ 33,464
Basic earnings per common share (in dollars per share) | $ 1.01 | $ 1.66 | $ 0.62
Diluted earnings per common share (in dollars per share) | 1 | 1.65 | 0.61
Dividends declared per common share (in dollars per share) | $ 0.10 | $ 0.08 | $ 0.06

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