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Commitments and Contingencies (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 169 Months Ended
--- | --- | --- | ---
Sep. 30, 2015 USD ($) Claim | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) Claim | Sep. 30, 2014 USD ($) | Sep. 30, 2015 USD ($) Claim
Loss Contingencies [Line Items] |  |  |  |  |
Payment for settled claims | $ 0 | $ 0 | $ 0 | $ 10,650 |
Changes in product warranties [Roll forward] |  |  |  |  |
Balance, beginning of period | 25,148 | 22,801 | 19,328 | 18,041 |
Liabilities accrued for current year sales | 25,626 | 21,490 | 72,613 | 63,106 |
Settlements of warranty claims | (24,919) | (22,457) | (66,086) | (59,313) |
Balance, end of period | $ 25,855 | $ 21,834 | $ 25,855 | $ 21,834 | $ 25,855
Asbestos [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Pending claims, approximate number | Claim | 2,190 |  | 2,190 |  | 2,190
Payment for settled claims |  |  |  |  | $ 18,600
Decrease for low end of range |  |  | $ 2,800 |  |
Decrease for high end of range |  |  | 4,300 |  |
Range of possible loss, minimum | $ 33,300 |  | 33,300 |  | 33,300
Range of possible loss, maximum | 51,100 |  | 51,100 |  | 51,100
Asbestos [Member] | Minimum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Estimated legal costs | 40,000 |  | 40,000 |  | 40,000
Asbestos [Member] | Maximum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Estimated legal costs | $ 75,500 |  | $ 75,500 |  | $ 75,500

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