Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2021

Commitments And Contingencies Disclosure [Abstract]

Roll-forward of Remediation Reserves Included in Accrued Expenses and Other Liabilities

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,
	2021			2020
Balance at beginning of period	$	10,642		$	11,444
Remediation expense		848			2,769
Net remediation payments		(1,508	)		(3,639	)
Other activity(1)		12			68
Balance at end of the period	$	9,994		$	10,642

⁽¹⁾ Other activity includes currency translation adjustments not recorded through remediation expense.