Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2012

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, 2012 and 2011 are as follows:

	2012						2011
(millions of dollars)	Engine			Drivetrain			Engine			Drivetrain
Gross goodwill balance, January 1	$	1,334.7		$	353.5		$	1,351.9		$	263.6
Accumulated impairment losses, January 1	(501.8		)	(0.2		)	(501.8		)	(0.2		)
Net goodwill balance, January 1	$	832.9		$	353.3		$	850.1		$	263.4
Goodwill during the year:
Acquisition*	$	—		$	—		$	—		$	96.2
Divestitures*	(16.9		)	—			(7.9		)	—
Translation adjustment	6.3			5.8			(9.3		)	(6.3		)
Ending balance, December 31	$	822.3		$	359.1		$	832.9		$	353.3

Intangible assets disclosure [Text Block]

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

	December 31, 2012						December 31, 2011
(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	$	80.0	$	26.2	$	53.8	$	81.2	$	20.4	$	60.8
Customer relationships	216.3		100.0		116.3		213.4		76.7		136.7
Miscellaneous	2.9		2.9		—		2.8		1.3		1.5
Total amortized intangible assets	299.2		129.1		170.1		297.4		98.4		199.0
In-process R&D	10.8		—		10.8		10.8		—		10.8
Unamortized trade names	25.4		—		25.4		33.5		—		33.5
Total other intangible assets	$	335.4	$	129.1	$	206.3	$	341.7	$	98.4	$	243.3

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)	2012			2011
Beginning balance, January 1	$	341.7		$	244.3
Acquisition	—			117.2
Divestitures*	(15.7		)	(5.6		)
Translation adjustment	9.4			(14.2		)
Ending balance, December 31	$	335.4		$	341.7

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)	2012			2011
Beginning balance, January 1	$	98.4		$	75.5
Amortization	28.4			30.8
Divestitures*	(0.6		)	(3.8		)
Translation adjustment	2.9			(4.1		)
Ending balance, December 31	$	129.1		$	98.4