Environmental Costs (Tables)

12 Months Ended

Dec. 31, 2019

Environmental Remediation Obligations [Abstract]

Schedule of change in environmental remediation

The following table displays the activity and balances associated with accruals related to environmental costs included in other current liabilities and other long-term liabilities:

	2019			2018
In thousands
Balance at January 1	$	5,531		$	6,057
Additions to accrual	1,122			—
Payments	(569		)	(944		)
Changes in foreign currency exchange rates	(6		)	418
Balance at December 31	$	6,078		$	5,531

Schedule of future payments for environmental remediation

The following represents estimated future payments for the undiscounted environmental remediation liability related to the Bloomfield campus as of December 31, 2019:

In thousands
2020	$	172
2021	653
2022	151
2023	184
2024	387
Thereafter	4,956
Total	$	6,503