Segment Information (Tables)

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Segment Reporting Information by Segment

Three Months Ended March 31,		2021			2020
Net sales and revenues:
Truck	$	4,399.2		$	3,863.2
Less intersegment		(166.2	)		(105.6	)
External customers		4,233.0			3,757.6
Parts		1,176.2			1,010.7
Less intersegment		(15.5	)		(12.1	)
External customers		1,160.7			998.6
Other		19.8			21.8
		5,413.5			4,778.0
Financial Services		432.0			383.7
	$	5,845.5		$	5,161.7
Income before income taxes:
Truck	$	269.5		$	183.1
Parts		251.3			214.7
Other		5.2			1.3
		526.0			399.1
Financial Services		76.4			48.3
Investment income		4.9			14.8
	$	607.3		$	462.2
Depreciation and amortization:
Truck	$	71.9		$	83.2
Parts		2.8			2.5
Other		5.4			5.1
		80.1			90.8
Financial Services		171.6			181.2
	$	251.7		$	272.0