Other, Net (Tables)

12 Months Ended

Dec. 31, 2018

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense)

Other, net consists of the following:

	Year ended December 31,
In thousands	2018			2017			2016
Foreign exchange gain (loss)	$	(9,069	)	$	1,281		$	(11,456	)
Write-down of Manquiri consideration	(18,599		)	—			—
RMC receivable write-down	(6,536		)	—			—
Mexico inflation adjustment	1,939			—			—
Interest income on notes receivable	1,776			—			—
Gain (loss) on sale of assets and investments	19			(1,037		)	11,334
Gain on sale of the Joaquin project	—			21,138			—
Gain on repurchase of the Rochester royalty obligation	—			2,332			—
Gain on sale of Endeavor stream and other royalties	—			1,036			—
Impairment of equity securities	—			(426		)	(703		)
Other	5,765			2,319			923
Other, net	$	(24,705	)	$	26,643		$	98