Other Expense, Net (Tables)

12 Months Ended

Dec. 31, 2018

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense)

	Year Ended December 31,
(millions of dollars)	2018			2017			2016
Restructuring expense	$	67.1		$	58.5		$	26.9
Asset impairment and loss on divestiture	25.6			71.0			127.1
Asbestos-related adjustments	22.8			—			(48.6		)
Gain on sale of building	(19.4		)	—			—
Merger, acquisition and divestiture expense	5.8			10.0			23.7
Lease termination settlement	—			5.3			—
Intangible asset impairment	—			—			12.6
Gain on commercial settlement	(4.0		)	—			—
Other income	(4.1		)	(0.3		)	(4.2		)
Other expense, net	$	93.8		$	144.5		$	137.5