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Commitments and Contingencies (Tables) | 9 Months Ended
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Sep. 30, 2020
Commitments And Contingencies Disclosure [Abstract] |
Summary of Remediation Reserve Activity | A roll-forward of remediation reserves included in Accrued expenses and other liabilities on the Condensed Consolidated Balance Sheets is comprised of the following:
|  | As of |
|  | September 30, |  |  | December 31, |
|  | 2020 |  |  | 2019 |
Balance at beginning of period |  | $ | 11,444 |  |  | $ | 11,274 |
Remediation expense |  |  | 1,265 |  |  |  | 2,602 |
Net remediation payments |  |  | (3,408 | ) |  |  | (2,455 | )
Other activity(1) |  |  | 36 |  |  |  | 23 |
Balance at end of the period |  | $ | 9,337 |  |  | $ | 11,444 |
(1) | Other activity includes currency translation adjustments not recorded through remediation expense.

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