Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments And Contingencies Disclosure [Abstract]

Changes in Accrued Environmental Remediation and Related Costs

Changes in the accrued environmental remediation and related costs during the first three months of 2019 are as follows:

	Amount
	(In thousands)
Balance at the beginning of the period	$	98,211
Additions charged (credited) to expense, net		(668	)
Payments, net		(527	)
Balance at the end of the period	$	97,016
Amounts recognized in the Condensed Consolidated
Balance Sheet at the end of the period:
Current liability	$	4,746
Noncurrent liability		92,270
Balance at the end of the period	$	97,016