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v3.20.4

Statements of Operations - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Statement [Abstract] |  |  |
Revenue from operations | $ 4,015,129 | $ 4,109,111 | $ 4,043,695
Operating expenses: |  |  |
Salaries, wages and benefits | 2,053,894 | 2,122,464 | 2,075,602
Operating supplies and expenses | 373,431 | 473,114 | 497,476
General supplies and expenses | 110,279 | 123,975 | 119,180
Operating taxes and licenses | 116,943 | 116,839 | 112,210
Insurance and claims | 42,364 | 52,549 | 44,118
Communications and utilities | 31,542 | 29,601 | 31,070
Depreciation and amortization | 261,259 | 253,681 | 230,357
Purchased transportation | 97,947 | 89,636 | 96,017
Miscellaneous expenses, net | 20,588 | 28,546 | 20,614
Total operating expenses | 3,108,247 | 3,290,405 | 3,226,644
Operating income | 906,882 | 818,706 | 817,051
Non-operating expense (income): |  |  |
Interest expense | 2,782 | 377 | 189
Interest income | (1,830) | (6,763) | (3,113)
Other expense, net | 4,566 | 1,143 | 4,462
Total non-operating expense (income) | 5,518 | (5,243) | 1,538
Income before income taxes | 901,364 | 823,949 | 815,513
Provision for income taxes | 228,682 | 208,431 | 209,845
Net income | $ 672,682 | $ 615,518 | $ 605,668
Earnings per share: |  |  |
Basic | $ 5.71 | $ 5.11 | $ 4.93
Diluted | $ 5.68 | $ 5.10 | $ 4.92
Weighted average shares outstanding: |  |  |
Basic | 117,737,180 | 120,414,218 | 122,885,346
Diluted | 118,493,203 | 120,609,599 | 123,029,672
Dividends declared per share | $ 0.60 | $ 0.45 | $ 0.35

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