Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements Of Operations

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Condensed Statements Of Operations - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Income Statement [Abstract]    
Revenue from operations $ 925,020,000 $ 754,096,000
Operating expenses:    
Salaries, wages and benefits 501,311,000 416,504,000
Operating supplies and expenses 114,061,000 90,987,000
General supplies and expenses 29,976,000 22,872,000
Operating taxes and licenses 26,788,000 24,022,000
Insurance and claims 11,099,000 8,790,000
Communications and utilities 7,046,000 7,433,000
Depreciation and amortization 53,481,000 50,287,000
Purchased transportation 21,740,000 17,997,000
Building and office equipment rents 1,875,000 2,114,000
Miscellaneous expenses, net 8,303,000 4,968,000
Total operating expenses 775,680,000 645,974,000
Operating income 149,340,000 108,122,000
Non-operating expense (income):    
Interest expense 11,000 595,000
Interest income (456,000) (35,000)
Other expense (income), net 2,299,000 409,000
Total non-operating expense 1,854,000 969,000
Income before income taxes 147,486,000 107,153,000
Provision for income taxes 38,153,000 41,361,000
Net income $ 109,333,000 $ 65,792,000
Earnings per share:    
Basic $ 1.33 $ 0.80
Diluted 1.33 0.80
Dividends declared per share $ 0.13 $ 0.10
Weighted average shares outstanding:    
Basic 82,253,470 82,349,024
Diluted 82,356,048 82,444,458