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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2024
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, 2024, 2023 and 2022 (in thousands):
Year Ended December 31,
202420232022
Balance, beginning of year$34,149 $38,245 $46,617 
Expenditures(4,159)(3,393)(10,378)
Accretion of discount1,126 1,094 1,031 
Additions, liability releases and changes in estimates, net(11,304)(2,541)673 
Foreign currency translation adjustments and other211 744 302 
Balance, end of year20,023 34,149 38,245 
Less amounts reported in Accrued expenses4,240 10,925 6,973 
Amounts reported in Other noncurrent liabilities$15,783 $23,224 $31,272 
Schedule of Change in Asset Retirement Obligation
The following is a reconciliation of our beginning and ending asset retirement obligation balances for 2024 and 2023 (in thousands):
Year Ended December 31,
20242023
Balance, beginning of year$89,159 $80,101 
Additions and changes in estimates6,608 11,288 
Accretion of discount3,365 2,421 
Liabilities settled(2,653)(3,044)
Foreign currency translation adjustments and other(90)(1,607)
Balance, end of year$96,389 $89,159 
Less amounts reported in Accrued expenses1,535 456 
Amounts reported in Other noncurrent liabilities$94,854 $88,703 
Letters of Credit and Guarantee Agreements The following table summarizes our letters of credit and guarantee agreements (in thousands):
20252026202720282029Thereafter
Letters of credit and other guarantees$101,662 $5,369 $2,667 $656 $— $5,310