Additional Comprehensive Income (Loss) Detail (Tables)

3 Months Ended

Mar. 31, 2023

Other Income and Expenses [Abstract]

Schedule of Other Operating Cost and Expense, by Component

Pre-development, reclamation, and other consists of the following:

	Three Months Ended March 31,
In thousands	2023		2022
COVID-19	$	56	$	972
Silvertip ongoing carrying costs	6,180		6,159
Asset retirement accretion	3,993		3,463
Other	661		818
Pre-development, reclamation and other	$	10,890	$	11,412

Schedule of Other Nonoperating Income (Expense)

Other, net consists of the following:

	Three Months Ended March 31,
In thousands	2023		2022
Foreign exchange gain (loss)	$	(1,154)	$	(559)
Gain (loss) on sale of assets	(9)		1,831
Other	202		465
Other, net	$	(961)	$	1,737