Other, Net (Tables)

6 Months Ended

Jun. 30, 2018

Other Income and Expenses [Abstract]

Schedule of Other Nonoperating Income (Expense)

Other, net consists of the following:

	Three months ended June 30,					Six months ended June 30,
In thousands	2018			2017		2018			2017
Foreign exchange gain (loss)	$	(3,309	)	$	786	$	(3,979	)	$	1,992
Gain (loss) on sale of assets and investments	586			513		345			(1,552		)
Gain on sale of the Joaquin project	—			—		—			21,138
Gain on repurchase of the Rochester royalty obligation	—			2,332		—			2,332
Mexico inflation adjustment	1,939			—		1,939			—
Other	1,328			343		2,752			863
Other, net	$	544		$	3,974	$	1,057		$	24,773