Commitments and Contingencies - Legal Matters - Additional Information (Detail) |
3 Months Ended | 195 Months Ended | |
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Mar. 31, 2018
USD ($)
Case
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Mar. 31, 2018
USD ($)
Case
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Dec. 31, 2017
Case
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Commitments And Contingencies Disclosure [Abstract] | |||
Cumulative settlement payments for cases involving asbestos-related claims | $ | $ 2,900,000 | ||
Cumulative settlement payments made for cases involving asbestos-related claims with all legal fees other than corporate counsel expenses | $ | 2,800,000 | ||
Average cost per settled claim excluding legal fees | $ | $ 37,000 | $ 37,000 | |
Number of claims pending | 180 | 180 | 218 |
Number of new cases filed | 16 | ||
Number of cases dismissed | 15 | ||
Number of cases settled | 39 | ||
Assessment regarding Loss contingency impact Description | We are not aware of pending claims or assessments, other than as described above, which may have a material adverse impact on our liquidity, financial position, results of operations, or cash flows. |