Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Revenue	$ 1,011,658	$ 1,202,081	$ 3,089,698	$ 3,432,793
Investment income	1,315	1,002	3,736	2,754
Costs and expenses:
Purchased transportation	774,520	931,473	2,365,646	2,658,710
Commissions to agents	84,568	99,304	257,862	275,828
Other operating costs, net of gains/losses on asset sales/dispositions	10,431	8,966	28,531	24,176
Insurance and claims	23,969	18,819	55,248	57,718
Selling, general and administrative	38,152	46,699	120,717	140,948
Depreciation and amortization	10,695	10,754	33,045	32,520
Total costs and expenses	942,335	1,116,015	2,861,049	3,189,900
Operating income	70,638	87,068	232,385	245,647
Interest and debt expense	764	816	2,278	2,455
Income before income taxes	69,874	86,252	230,107	243,192
Income taxes	16,619	19,304	52,452	56,279
Net income	53,255	66,948	177,655	186,913
Less: Net loss attributable to noncontrolling interest		(37)	(17)	(112)
Net income attributable to Landstar System, Inc. and subsidiary	$ 53,255	$ 66,985	$ 177,672	$ 187,025
Earnings per common share attributable to Landstar System, Inc. and subsidiary	$ 1.35	$ 1.63	$ 4.45	$ 4.50
Diluted earnings per share attributable to Landstar System, Inc. and subsidiary	$ 1.35	$ 1.63	$ 4.45	$ 4.50
Average number of shares outstanding:
Earnings per common share	39,566,000	41,101,000	39,891,000	41,530,000
Diluted earnings per share	39,566,000	41,137,000	39,891,000	41,576,000
Dividends per common share	$ 0.185	$ 0.165	$ 0.515	$ 0.465