Contingencies (Details)	6 Months Ended
	Jun. 30, 2017 USD ($) claim site	Jun. 30, 2016 claim	Dec. 31, 2016 USD ($) claim	Dec. 31, 2015 claim
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	$ 6,000,000		$ 6,300,000
Timeframe most environmental liabilities will be paid out	5
Liabilities:
Liability for Asbestos and Environmental Claims, Gross	$ 800,600,000		$ 827,600,000
Asbestos Issue [Member]
Contingencies [Abstract]
Number of pending claims | claim	9,292	9,284	9,385	10,061
New Claims Received | claim	1,116	1,041
Dismissed Claims | claim	(965)	(1,623)
Settled Claims | claim	(244)	(195)
Company paid in defense and indemnity in advance of insurers reimbursement	$ 504,200,000		$ 477,700,000
Cash and notes received from insurers	270,000,000		270,000,000
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	52,100,000		51,700,000
Other non-current liabilities	800,600,000		827,600,000
Total accrued liabilities	852,700,000		879,300,000
Liability for Asbestos and Environmental Claims, Gross	852,700,000		$ 879,300,000
Liability for Asbestos and Environmental Claims, Gross, Period Increase (Decrease)	$ (26,600,000.0)