Other Expense, Net (Tables)

12 Months Ended

Dec. 31, 2017

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense)

	Year Ended December 31,
(millions of dollars)	2017			2016			2015
Asset impairment and loss on divestiture	$	71.0		$	127.1		$	—
Restructuring expense	58.5			26.9			65.7
Merger and acquisition expense	10.0			23.7			21.8
Lease termination settlement	5.3			—			—
Asbestos-related charge	—			703.6			—
Intangible asset impairment	—			12.6			—
Pension settlement loss	—			—			25.7
Gain on previously held equity interest	—			—			(10.8		)
Other income	(0.3		)	(4.2		)	(1.0		)
Other expense, net	$	144.5		$	889.7		$	101.4