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Contingencies (Details) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 USD ($) claim site | Dec. 31, 2015 USD ($) claim | Dec. 31, 2008 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 | $ 5.2 | $ 5.4 |
Timeframe most environmental liabilities will be paid out | 5 |  |
Contingencies [Abstract] |  |  |
Loss as a result of the September 2008 DTP ruling |  |  | $ 4.0
Asbestos Issue [Member] |  |  |
Contingencies [Abstract] |  |  |
Number of pending claims | claim | 9,300 | 10,100 |
Loss Contingency, Claims Settled and Dismissed, Number | claim | 1,800 | 5,300 |
Payment being made to a claimant by or on behalf of the company | claim | 195 | 349 |
Payment being made to a claimant by or on behalf of the company, percentage | 11.00% | 7.00% |
Company paid in defense and indemnity in advance of insurers reimbursement | $ 417.1 |  |
Cash and notes received from insurers | 228.4 |  |
Outstanding balance to be fully recovered | 188.7 | $ 163.3 |
Assets: |  |  |
Other non-current assets | 110.5 | 108.5 |
Total insurance assets | 110.5 | 108.5 |
Liabilities: |  |  |
Accounts payable and accrued expenses | 49.8 | 47.7 |
Other non-current liabilities | 60.7 | 60.8 |
Total accrued liabilities | $ 110.5 | $ 108.5 |

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