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Other Noncurrent Liabilities (Tables)
 12 Months Ended
Dec. 31, 2023
Other Liabilities, Noncurrent [Abstract]  
Other Noncurrent Liabilities
Other noncurrent liabilities consist of the following at December 31, 2023 and 2022 (in thousands):
December 31,
20232022
Transition tax on foreign earnings(a)
$127,339 $191,708 
Operating leases(b)
113,681 99,269 
Liabilities related to uncertain tax positions(c)
220,555 83,670 
Executive deferred compensation plan obligation33,564 27,270 
Environmental liabilities(d)
23,224 31,272 
Asset retirement obligations(d)
88,703 79,522 
Tax indemnification liability(e)
14,481 66,137 
Deferred revenue78,027 — 
Other(f)
69,526 57,748 
Total$769,100 $636,596 
(a)Noncurrent portion of one-time transition tax on foreign earnings. See Note 21, “Income Taxes,” for additional information.
(b)See Note 18, “Leases.”
(c)See Note 21, “Income Taxes.”
(d)See Note 17, “Commitments and Contingencies.”
(e)Indemnification of certain income and non-income tax liabilities, primarily associated with the Chemetall Surface Treatment entities sold in 2017.
(f)No individual component exceeds 5% of total liabilities.