Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Activity in Recorded Environmental Liabilities Activity

We had the following activity in our recorded environmental liabilities for the years ended December 31, 2023, 2022 and 2021 (in thousands):

	Year Ended December 31,
	2023		2022		2021
Balance, beginning of year	$	38,245	$	46,617	$	45,771
Expenditures	(3,393)		(10,378)		(2,752)
Accretion of discount	1,094		1,031		960
Additions, liability releases and changes in estimates, net	(2,541)		673		4,063
Foreign currency translation adjustments and other	744		302		(1,425)
Balance, end of year	34,149		38,245		46,617
Less amounts reported in Accrued expenses	10,925		6,973		9,077
Amounts reported in Other noncurrent liabilities	$	23,224	$	31,272	$	37,540

Schedule of Change in Asset Retirement Obligation

The following is a reconciliation of our beginning and ending asset retirement obligation balances for 2023 and 2022 (in thousands):

	Year Ended December 31,
	2023		2022
Balance, beginning of year	$	80,101	$	79,213
Additions and changes in estimates	11,288		2,919
Accretion of discount	2,421		1,996
Liabilities settled	(3,044)		(4,266)
Foreign currency translation adjustments and other	(1,607)		239
Balance, end of year	$	89,159	$	80,101
Less amounts reported in Accrued expenses	456		579
Amounts reported in Other noncurrent liabilities	$	88,703	$	79,522

Letters of Credit and Guarantee Agreements

The following table summarizes our letters of credit and guarantee agreements (in thousands):

	2024		2025		2026		2027		2028		Thereafter
Letters of credit and other guarantees	$	193,648	$	13,375	$	2,454	$	868	$	717	$	6,088