Contingencies (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) claim	Dec. 31, 2017 USD ($) claim	Dec. 31, 2016 USD ($) claim
Accrual for Environmental Loss Contingencies Disclosure [Abstract]
Waste disposal sites with potential liability under the Comprehensive Environmental Response, Compensation and Liability Act	28
Accrual for indicated environmental liabilities	$ 9.0	$ 8.3
Company paid in defense and indemnity in advance of insurers reimbursement	574.4	528.7
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid	46.0	51.7
Actuarial revaluation	22.8	0.0	$ (45.5)
Indemnity and defense related costs	(45.7)	(51.1)
Loss Contingency, Range of Possible Loss, Portion Not Accrued	100.0
Cash and notes received from insurers	271.1	270.0
Assets [Abstract]
Non-current assets	303.3	258.7
Deferred asbestos-related insurance asset	83.1	127.7
Liabilities [Abstract]
Total accrued liabilities	$ 805.3	$ 828.2	$ 879.3
Asbestos Issue [Member]
Accrual for Environmental Loss Contingencies Disclosure [Abstract]
Number of pending claims | claim	8,598	9,225	9,385
Loss Contingency, New Claims Filed, Number | claim	1,932	2,116
Loss Contingency, Claims Dismissed, Number | claim	(2,189)	(1,866)
Loss Contingency, Claims Settled, Number | claim	(370)	(410)
Assets [Abstract]
Non-current assets	$ 386.4	$ 386.4
Deferred asbestos-related insurance asset		127.7
Total insurance assets	386.4	386.4
Liabilities [Abstract]
Total accrued liabilities	805.3	828.2
Accounts Payable and Accrued Liabilities [Member] | Asbestos Issue [Member]
Liabilities [Abstract]
Total accrued liabilities	50.0	52.5
Other non-current liabilities | Asbestos Issue [Member]
Liabilities [Abstract]
Total accrued liabilities	$ 755.3	$ 775.7