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Contingencies (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) claim | Dec. 31, 2016 USD ($) claim | Dec. 31, 2015 USD ($) claim
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Range of Possible Loss, Portion Not Accrued | $ 100.0 |  |
Company paid in defense and indemnity in advance of insurers reimbursement | 528.7 | $ 477.7 |
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid | $ 51.7 | 45.3 |
Accrual for Environmental Loss Contingencies Disclosure [Abstract] |  |  |
Waste disposal sites with potential liability under the Comprehensive Environmental Response, Compensation and Liability Act | 27 |  |
Accrual for indicated environmental liabilities | $ 8.3 | 6.3 |
Contingencies [Abstract] |  |  |
Cash and notes received from insurers | 270.0 | 270.0 |
Estimated future settlement of existing claims [Abstract] |  |  |
Asbestos-related charge | 0.0 | 703.6 | $ 0.0
Asbestos-related charge, net of tax |  | 440.6 |
Assets |  |  |
Non-current assets | 127.7 | 178.7 |
Liabilities [Abstract] |  |  |
Liability for Asbestos and Environmental Claims, Gross | 828.2 | $ 879.3 |
Liability for Asbestos and Environmental Claims, Gross, Period Increase (Decrease) | $ (51.1) |  |
Asbestos Issue [Member] |  |  |
Contingencies [Abstract] |  |  |
Number of pending claims | claim | 9,225 | 9,385 | 10,061
Assets |  |  |
Non-current assets | $ 386.4 | $ 386.4 |
Total insurance assets | 386.4 | 386.4 |
Liabilities [Abstract] |  |  |
Liability for Asbestos and Environmental Claims, Gross | $ 828.2 | $ 879.3 |
Loss Contingency, New Claims Filed, Number | claim | 2,116 | 2,078 |
Loss Contingency, Claims Dismissed, Number | claim | (1,866) | (2,402) |
Loss Contingency, Claims Settled, Number | claim | (410) | (352) |
Accounts Payable and Accrued Liabilities [Member] | Asbestos Issue [Member] |  |  |
Liabilities [Abstract] |  |  |
Liability for Asbestos and Environmental Claims, Gross | $ 52.5 | $ 51.7 |
Other non-current liabilities | Asbestos Issue [Member] |  |  |
Liabilities [Abstract] |  |  |
Liability for Asbestos and Environmental Claims, Gross | $ 775.7 | $ 827.6 |

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