Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2022	Mar. 27, 2021
Revenue	$ 1,970,599	$ 1,287,534
Investment income	721	684
Costs and expenses:
Purchased transportation	1,550,330	998,285
Commissions to agents	149,778	100,009
Other operating costs, net of gains on asset sales/dispositions	11,141	7,642
Insurance and claims	30,768	21,505
Selling, general and administrative	52,713	45,408
Depreciation and amortization	13,757	12,101
Total costs and expenses	1,808,487	1,184,950
Operating income	162,833	103,268
Interest and debt expense	1,123	1,042
Income before income taxes	161,710	102,226
Income taxes	36,871	24,986
Net income	$ 124,839	$ 77,240
Diluted earnings per share	$ 3.34	$ 2.01
Average diluted shares outstanding	37,418,000	38,404,000
Dividends per common share	$ 0.25	$ 0.21