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v3.8.0.1

Consolidated Statements of Operations - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Operating revenue | $ 698,120 | $ 671,144 | $ 664,994
Operating expenses (income): |  |  |
Salaries, wages and benefits | 226,091 | 224,827 | 209,455
Purchased transportation | 118,349 | 110,719 | 118,030
Fuel and fuel taxes | 105,390 | 94,075 | 104,582
Supplies and maintenance | 41,613 | 43,912 | 43,319
Depreciation | 85,120 | 82,445 | 75,323
Operating taxes and licenses | 8,993 | 9,099 | 8,914
Insurance and claims | 38,585 | 32,223 | 29,252
Communications and utilities | 6,047 | 6,287 | 5,886
Other | 16,569 | 19,756 | 18,858
| 641,258 | 612,841 | 603,931
Operating income | 56,862 | 58,303 | 61,063
Other | 389 | 1,237 | 372
Income before income taxes | 56,473 | 57,066 | 60,691
Income taxes (benefit) expense | (33,811) | 23,602 | 24,946
Net income | $ 90,284 | $ 33,464 | $ 35,745
Basic earnings per common share (in dollars per share) | $ 1.66 | $ 0.62 | $ 0.64
Diluted earnings per common share (in dollars per share) | 1.65 | 0.61 | 0.64
Dividends declared per common share (in dollars per share) | $ 0.08 | $ 0.06 | $ 0.06
Revenue Equipment [Member] |  |  |
Operating expenses (income): |  |  |
Gain on disposition of assets | $ (5,499) | $ (10,502) | $ (5,584)
Facility [Member] |  |  |
Operating expenses (income): |  |  |
Gain on disposition of assets |  |  | $ (4,104)

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