Segment Information (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Segment Reporting Information by Segment

Three Months Ended March 31,		2019			2018
Net sales and revenues:
Truck	$	5,226.6		$	4,536.1
Less intersegment		(119.3	)		(183.1	)
External customers		5,107.3			4,353.0
Parts		1,016.0			953.5
Less intersegment		(11.3	)		(13.6	)
External customers		1,004.7			939.9
Other		26.1			28.9
		6,138.1			5,321.8
Financial Services		349.5			332.2
	$	6,487.6		$	5,654.0
Income before income taxes:
Truck	$	517.0		$	395.2
Parts		207.6			191.8
Other		(8.5	)		4.9
		716.1			591.9
Financial Services		84.0			67.5
Investment income		19.3			10.0
	$	819.4		$	669.4
Depreciation and amortization:
Truck	$	97.4		$	107.3
Parts		2.7			2.2
Other		4.0			4.5
		104.1			114.0
Financial Services		155.0			159.5
	$	259.1		$	273.5