Contingencies (Details)	9 Months Ended
	Sep. 30, 2017 USD ($) claim site	Sep. 30, 2016 claim	Dec. 31, 2016 USD ($)
Accrual for environmental loss contingencies [Abstract]
Waste disposal sites with potential liability under the Comprehensive Environmental Response, Compensation and Liability Act | site	27
Accrual for indicated environmental liabilities	$ 6,900,000		$ 6,300,000
Timeframe most environmental liabilities will be paid out	5
Loss Contingency Accrual [Roll Forward]
Beginning asbestos liability	$ 827,600,000
Ending asbestos liability	$ 786,000,000
Asbestos Issue [Member]
Loss Contingency Claims [Roll Forward]
Beginning Claims | claim	9,385	10,061
New Claims Received | claim	1,597	1,626
Dismissed Claims | claim	(1,273)	(1,942)
Settled Claims | claim	(326)	(256)
Ending Claims | claim	9,383	9,489
Company paid in defense and indemnity in advance of insurers reimbursement	$ 518,600,000		477,700,000
Cash and notes received from insurers	270,000,000		270,000,000
Loss Contingency, Range of Possible Loss, Portion Not Accrued	100,000,000
Assets:
Non-current assets	386,400,000		386,400,000
Total insurance assets	386,400,000		386,400,000
Liabilities:
Accounts payable and accrued expenses	52,300,000		51,700,000
Other non-current liabilities	786,000,000		827,600,000
Total accrued liabilities	838,300,000		$ 879,300,000
Loss Contingency Accrual [Roll Forward]
Beginning asbestos liability	879,300,000
Liability for Asbestos and Environmental Claims, Gross, Period Increase (Decrease)	(41,000,000.0)
Ending asbestos liability	$ 838,300,000