Other Income Expense (Tables)

12 Months Ended

Dec. 31, 2013

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense)

	Year Ended December 31,
(millions of dollars)	2013			2012		2011
Restructuring expense	$	52.3		$	27.4	$	—
Program termination agreement	11.3			—		—
Retirement related obligations	5.9			17.3		—
Loss from disposal activities	—			39.7		21.5
Patent infringement settlement, net of legal costs incurred	—			—		(29.1		)
Other	(6.9		)	0.3		(0.5		)
Other expense (income)	$	62.6		$	84.7	$	(8.1	)