Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Change of Outstanding Asbestos-related Claims [Table Text Block]

	2018		2017
Beginning claims January 1	9,225		9,385
New claims received	1,932		2,116
Dismissed claims	(2,189	)	(1,866	)
Settled claims	(370	)	(410	)
Ending claims December 31	8,598		9,225

Schedule of Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]

(millions of dollars)	2018			2017
Beginning asbestos liability as of January 1	$	828.2		$	879.3
Actuarial revaluation	22.8			—
Claim resolution costs and defense related costs	(45.7		)	(51.1		)
Ending asbestos liability as of December 31	$	805.3		$	828.2

Schedule Of Liability For Unpaid Claims And Claims Adjustment Expenses [Table Text Block]

	December 31,
(millions of dollars)	2018		2017
Assets:
Other long-term asbestos-related insurance receivables	$	303.3	$	258.7
Deferred asbestos-related insurance asset	83.1		127.7
Total insurance assets	$	386.4	$	386.4
Liabilities:
Accounts payable and accrued expenses	$	50.0	$	52.5
Other non-current liabilities	755.3		775.7
Total accrued liabilities	$	805.3	$	828.2