Income and Mining Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The components of Income (loss) before income taxes are below:

	Year ended December 31,
In thousands	2019			2018			2017
United States	$	(16,702	)	$	(50,522	)	$	10,099
Foreign	(341,323		)	(15,213		)	29,824
Total	$	(358,025	)	$	(65,735	)	$	39,923

The components of the consolidated Income and mining tax (expense) benefit from continuing operations are below:

	Year ended December 31,
In thousands	2019			2018			2017
Current:
United States	$	(334	)	$	1,188		$	1,428
United States — State mining taxes	(4,001		)	(3,208		)	(6,016		)
United States — Foreign withholding tax	(1,598		)	(5,617		)	(8,466		)
Canada	119			378			876
Mexico	(19,619		)	(26,021		)	(30,763		)
Other	(3		)	67			55
Deferred:
United States	236			23,322			6,367
United States — State mining taxes	251			1,134			1,052
Canada	32,084			16,057			104
Mexico	3,994			9,929			4,805
Other	—			(449		)	1,560
Income tax (expense) benefit	$	11,129		$	16,780		$	(28,998	)

Schedule of Effective Income Tax Rate Reconciliation

The Company’s Income and mining tax benefit (expense) differed from the amounts computed by applying the United States statutory corporate income tax rate for the following reasons:

	Year ended December 31,
In thousands	2019			2018			2017
Income and mining tax (expense) benefit at statutory rate	$	75,185		$	14,052		$	(14,037	)
State tax provision from continuing operations	1,243			2,284			26
Change in valuation allowance	(77,220		)	2,471			86,712
Effect of tax legislation	—			—			(88,174		)
Percentage depletion	820			89			703
Uncertain tax positions	2,358			1,830			2,596
U.S. and foreign permanent differences	2,272			3,314			2,348
Foreign exchange rates	(7,066		)	(3,973		)	(14,180		)
Foreign inflation and indexing	(2,933		)	(2,374		)	(2,346		)
Foreign tax rate differences	19,729			(24		)	2,929
Mining, foreign withholding, and other taxes	(2,746		)	(3,857		)	(11,274		)
Other, net	(513		)	2,968			5,699
Income and mining tax (expense) benefit	$	11,129		$	16,780		$	(28,998	)

Schedule of Deferred Tax Assets and Liabilities

At December 31, 2019 and 2018, the significant components of the Company’s deferred tax assets and liabilities are below:

	Year ended December 31,
In thousands	2019			2018
Deferred tax liabilities:
Mineral properties	$	25,691		$	118,852
Inventory	847			4,513
Foreign subsidiaries - unremitted earnings	50			7
	$	26,588		$	123,372
Deferred tax assets:
Net operating loss carryforwards	$	219,192		$	189,840
Property, plant, and equipment	20,212			7,779
Mining Royalty Tax	6,764			8,980
Capital loss carryforwards	21,956			23,003
Asset retirement obligation	34,134			27,980
Unrealized foreign currency loss and other	9,133			8,387
Royalty and other long-term debt	6,235			3,821
Accrued expenses	8,899			14,247
Tax credit carryforwards	29,881			33,897
	356,406			317,934
Valuation allowance	(371,277		)	(272,839		)
	(14,871		)	45,095
Net deferred tax liabilities	$	41,459		$	78,277

Summary of Valuation Allowance

Based upon this analysis, the Company has recorded valuation allowances as follows:

	Year ended December 31,
In thousands	2019		2018
U.S.	$	213,783	$	223,444
Canada	118,738		7,661
Mexico	15,884		17,606
New Zealand	21,863		22,482
Other	1,009		1,646
	$	371,277	$	272,839

Summary of Tax Credit Carryforwards

The Company has the following tax attribute carryforwards at December 31, 2019, by jurisdiction:

In thousands	U.S.		Canada		Mexico		New Zealand		Other		Total
Regular net operating losses	$	421,561	$	236,849	$	52,947	$	80,838	$	2,344	$	794,539
Expiration years	2020-2038		2029-2039		2020-2030		Indefinite		2020-2022
Capital losses	82,147		—		—		—		—		82,147
Alternative minimum tax credits	430		—		—		—		—		430
Foreign tax credits	24,939		—		—		—		—		24,939

Summary of Income Tax Contingencies

A reconciliation of the beginning and ending amount related to unrecognized tax benefits is below (in thousands):

Unrecognized tax benefits at December 31, 2017	$	5,324
Gross increase to current period tax positions	—
Gross increase to prior period tax positions	37
Reductions in unrecognized tax benefits resulting from a lapse of the applicable statute of limitations	(1,585		)
Unrecognized tax benefits at December 31, 2018	$	3,776
Gross increase to current period tax positions	—
Gross increase to prior period tax positions	137
Reductions in unrecognized tax benefits resulting from a lapse of the applicable statute of limitations	(1,207		)
Unrecognized tax benefits at December 31, 2019	$	2,706