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Commitments and Contingencies - Asbestos Narrative (Details) $ in Millions | 9 Months Ended | 309 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2016 claimants cases | Sep. 30, 2016 USD ($) claimants cases | Dec. 31, 2015 claimants | Dec. 31, 2014 claimants
Minimum [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimated Time until Primary Insurance is Exhausted | 6 months |  |  |
Maximum [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimated Time until Primary Insurance is Exhausted | 18 months |  |  |
Asbestos [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency, Pending Claims, Number |  |  | 6,242 | 7,992
Total settlement costs | $ |  | $ 8.2 |  |
Percentage of settlement and defense costs covered by insurance |  | 40.00% |  |
Asbestos [Member] | Pending Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency, Pending Claims, Number | cases | 800 | 800 |  |
Number of pending claims | 5,714 |  |  |
Punitive Only Damages [Member] | Asbestos [Member] | Pending Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of pending claims seeking specific amounts of damages | 0 | 0 |  |
Compensatory Only Damages [Member] | Asbestos [Member] | Pending Litigation [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of pending claims seeking specific amounts of damages | 96 | 96 |  |

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