Commitments and contingencies (Tables)

9 Months Ended

Sep. 30, 2022

Commitments and contingencies

Changes in Accrued Environmental Remediation and Related Costs

	Amount
	(In thousands)
Balance at the beginning of the period	$	92,940
Additions charged to expense, net		433
Payments, net		(831)
Balance at the end of the period	$	92,542
Amounts recognized in the Condensed Consolidated
Balance Sheet at the end of the period:
Current liability	$	2,728
Noncurrent liability		89,814
Balance at the end of the period	$	92,542