Commitments and contingencies (Tables)

3 Months Ended

Mar. 31, 2025

Commitments and contingencies.

Schedule of Changes in Accrued Environmental Remediation and Related Costs

Changes in the accrued environmental remediation and related costs during the first three months of 2025 are as follows:

	Amount
	(In thousands)
Balance at the beginning of the period	$	69,278
Additions charged to expense, net		578
Payments, net		(57,089)
Balance at the end of the period	$	12,767
Amounts recognized in the Condensed Consolidated Balance Sheet at the end of the period:
Current liability	$	1,773
Noncurrent liability		10,994
Balance at the end of the period	$	12,767