Contingencies (Details) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2017 USD ($) claim site	Dec. 31, 2016 USD ($) 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	$ 6.1	$ 6.3
Timeframe most environmental liabilities will be paid out	5
Liabilities:
Liability for Asbestos and Environmental Claims, Gross	$ 813.8	$ 827.6
Asbestos Issue [Member]
Contingencies [Abstract]
Number of pending claims | claim	9,500	9,400
Loss Contingency, Claims Settled and Dismissed, Number | claim	500	2,800
Payment being made to a claimant by or on behalf of the company | claim	120	352
Payment being made to a claimant by or on behalf of the company, percentage	24.00%	13.00%
Company paid in defense and indemnity in advance of insurers reimbursement	$ 491.3	$ 477.7
Cash and notes received from insurers	270.0	270.0
Assets:
Non-current assets	386.4	386.4
Total insurance assets	386.4	386.4
Liabilities:
Accounts payable and accrued expenses	51.9	51.7
Other non-current liabilities	813.8	827.6
Total accrued liabilities	865.7	879.3
Liability for Asbestos and Environmental Claims, Gross	$ 865.7	$ 879.3