Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2016	Mar. 28, 2015
Revenue	$ 711,644	$ 762,380
Investment income	380	354
Costs and expenses:
Purchased transportation	540,328	587,153
Commissions to agents	59,092	59,784
Other operating costs, net of gains on asset sales/dispositions	7,407	7,689
Insurance and claims	14,213	14,796
Selling, general and administrative	34,614	37,248
Depreciation and amortization	8,438	7,019
Total costs and expenses	664,092	713,689
Operating income	47,932	49,045
Interest and debt expense	889	781
Income before income taxes	47,043	48,264
Income taxes	17,859	18,249
Net income	$ 29,184	$ 30,015
Earnings per common share	$ 0.69	$ 0.67
Diluted earnings per share	$ 0.69	$ 0.67
Average number of shares outstanding:
Earnings per common share	42,395,000	44,588,000
Diluted earnings per share	42,489,000	44,760,000
Dividends per common share	$ 0.08	$ 0.07