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Commitments and Contingencies (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 193 Months Ended
--- | --- | --- | ---
Sep. 30, 2017 USD ($) Claim | Sep. 30, 2016 USD ($) | Sep. 30, 2017 USD ($) Claim | Sep. 30, 2016 USD ($) | Sep. 30, 2017 USD ($) Claim
Changes in product warranties [Roll forward] |  |  |  |  |
Balance, beginning of period | $ 24,528 | $ 26,946 | $ 24,072 | $ 23,395 |
Liabilities accrued for current year sales | 25,023 | 30,479 | 76,446 | 78,478 |
Settlements of warranty claims | (24,713) | (28,921) | (75,680) | (73,369) |
Balance, end of period | $ 24,838 | $ 28,504 | $ 24,838 | $ 28,504 | $ 24,838
Asbestos [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Pending claims, approximate number | Claim | 1,500 |  | 1,500 |  | 1,500
Payment for settled claims |  |  |  |  | $ 23,500
Increased amount of liability at low end of range |  |  | $ 35,200 |  |
Increase from low end of range |  |  | 4,200 |  |
Increase from high end of range |  |  | 6,300 |  |
Asbestos [Member] | Minimum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Range of possible loss | $ 35,200 |  | 35,200 |  | 35,200
Asbestos [Member] | Maximum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Range of possible loss | 54,000 |  | 54,000 |  | 54,000
Asbestos [Member] | Discontinued Operations [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Incremental pre-tax provision |  |  | 6,000 |  |
Asbestos [Member] | Discontinued Operations [Member] | Minimum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Range of possible loss | 44,300 |  | 44,300 |  | 44,300
Asbestos [Member] | Discontinued Operations [Member] | Maximum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Range of possible loss | $ 79,600 |  | $ 79,600 |  | $ 79,600

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