Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Revenue	$ 1,211,383	$ 1,225,005	$ 2,363,885	$ 2,396,048
Investment income	3,729	3,654	7,327	7,066
Costs and expenses:
Purchased transportation	941,411	950,058	1,839,289	1,855,579
Commissions to agents	99,522	99,816	192,836	197,098
Other operating costs, net of gains on asset sales/dispositions	19,595	14,135	31,424	28,994
Insurance and claims	30,449	27,164	70,301	53,432
Selling, general and administrative	55,706	54,939	117,288	111,361
Depreciation and amortization	12,149	14,488	24,375	28,630
Total costs and expenses	1,158,832	1,160,600	2,275,513	2,275,094
Operating income	56,280	68,059	95,699	128,020
Interest and debt expense (income)	698	(1,675)	539	(3,286)
Income before income taxes	55,582	69,734	95,160	131,306
Income taxes	13,689	17,110	23,461	31,586
Net income	$ 41,893	$ 52,624	$ 71,699	$ 99,720
Basic earnings per share	$ 1.2	$ 1.48	$ 2.05	$ 2.79
Diluted earnings per share	$ 1.2	$ 1.48	$ 2.05	$ 2.79
Average basic shares outstanding	34,870,000	35,654,000	35,037,000	35,702,000
Average diluted shares outstanding	34,870,000	35,654,000	35,037,000	35,702,000
Dividends per common share	$ 0.4	$ 0.33	$ 0.76	$ 0.66