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Commitments and Contingencies - Legal Matters - Additional Information (Detail)
9 Months Ended
Sep. 30, 2021
USD ($)
Case
Dec. 31, 2020
Case
Commitments And Contingencies Disclosure [Abstract]    
Cumulative settlement payments for cases involving asbestos-related claims | $ $ 4,100,000  
Cumulative settlement payments made for cases involving asbestos-related claims with all legal fees other than corporate counsel expenses | $ 4,000,000.0  
Average cost per settled claim excluding legal fees | $ $ 36,000  
Number of claims pending 223 200
Number of new cases filed 86  
Number of cases dismissed 42  
Number of cases settled 21  
Assessment regarding Loss contingency impact Description We are not aware of any 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.