Note 7 - Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Truck Segment		All Other			Totals
As of and for the three months ended March 31, 201 8
Revenues from external customers	$	1,236,652	$	4,129		$	1,240,781
Segment operating income		32,360		29			32,389
Segment income (loss) before taxes		28,103		(20	)		28,083
Segment assets		2,864,504		34,700			2,899,204
As of and for the three months ended March 31, 201 7
Revenues from external customers	$	1,040,853	$	3,944		$	1,044,797
Segment operating income (loss)		24,994		(145	)		24,849
Segment income (loss) before taxes		22,244		(186	)		22,058
Segment assets		2,603,945		35,616			2,639,561