Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill [Text Block]

The changes in the carrying amount of goodwill for the years ended December 31, 2014 and 2013 are as follows:

	2014						2013
(millions of dollars)	Engine			Drivetrain			Engine			Drivetrain
Gross goodwill balance, January 1	$	1,331.9		$	367.1		$	1,324.1		$	359.3
Accumulated impairment losses, January 1	(501.8		)	(0.2		)	(501.8		)	(0.2		)
Net goodwill balance, January 1	$	830.1		$	366.9		$	822.3		$	359.1
Goodwill during the year:
Acquisition*	76.9			—			—			—
Divestitures	—			—			(4.6		)	—
Translation adjustment and other	(46.8		)	(21.4		)	12.4			7.8
Ending balance, December 31	$	860.2		$	345.5		$	830.1		$	366.9

Intangible assets disclosure [Text Block]

The Company’s other intangible assets, primarily from acquisitions, consist of the following:

	December 31, 2014						December 31, 2013
(millions of dollars)	Gross carrying amount		Accumulated amortization		Net carrying amount		Gross carrying amount		Accumulated amortization		Net carrying amount
Amortized intangible assets:
Patented and unpatented technology	$	89.3	$	39.1	$	50.2	$	85.9	$	36.5	$	49.4
Customer relationships	194.3		115.1		79.2		201.8		111.4		90.4
Miscellaneous	5.8		2.5		3.3		2.9		2.9		—
Total amortized intangible assets	289.4		156.7		132.7		290.6		150.8		139.8
In-process R&D	10.8		—		10.8		10.8		—		10.8
Unamortized trade names	7.6		—		7.6		18.9		—		18.9
Total other intangible assets	$	307.8	$	156.7	$	151.1	$	320.3	$	150.8	$	169.5

Intangible assets gross roll forward [Text Block]

A roll forward of the gross carrying amounts of the Company's other intangible assets is presented below:

(millions of dollars)	2014			2013
Beginning balance, January 1	$	320.3		$	335.4
Acquisition*	42.7			—
Impairment**	(10.3		)	(26.4		)
Divestitures	—			(1.1		)
Translation adjustment	(44.9		)	12.4
Ending balance, December 31	$	307.8		$	320.3

Accumulated amortization net [Text Block]

A roll forward of the accumulated amortization associated with the Company's other intangible assets is presented below:

(millions of dollars)	2014			2013
Beginning balance, January 1	$	150.8		$	129.1
Amortization	27.2			26.7
Impairment*	—			(13.9		)
Divestitures	—			(0.4		)
Translation adjustment	(21.3		)	9.3
Ending balance, December 31	$	156.7		$	150.8