Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

Income Tax Disclosure [Abstract]

Components of income tax expense (benefit) associated with earnings from continuing operations

The components of income tax expense (benefit) are as follows:

	For the year ended December 31,
	2018			2017		2016
In thousands
Current:
Federal	$	6,011		$	16,979	$	20,405
State	2,148			1,301		2,312
Foreign	1,188			2,362		738
	9,347			20,642		23,455
Deferred:
Federal	10,988			23,498		10,133
State	1,196			251		(1,023		)
Foreign	(463		)	161		(1,715		)
	11,721			23,910		7,395
Total	$	21,068		$	44,552	$	30,850

Tax effects of temporary differences that give rise to deferred tax assets and liabilities

The tax effects of temporary differences that give rise to deferred tax assets and liabilities are presented below:

	At December 31,
	2018			2017
In thousands
Deferred tax assets:
Deferred employee benefits	$	43,583		$	46,539
Inventories	2,210			5,528
Tax loss and credit carryforwards	20,736			20,813
Accrued liabilities and other items	11,046			7,031
Total deferred tax assets	77,575			79,911
Deferred tax liabilities:
Property, plant and equipment	(11,584		)	(10,756		)
Intangibles	(39,832		)	(40,258		)
Other items	(216		)	(4,020		)
Total deferred tax liabilities	(51,632		)	(55,034		)
Net deferred tax assets before valuation allowance	25,943			24,877
Valuation allowance	(8,533		)	(5,298		)
Net deferred tax assets after valuation allowance	$	17,410		$	19,579

Schedule of effective income tax rate reconciliation

The provision for income taxes differs from that computed at the federal statutory corporate tax rate as follows:

	For the year ended December 31,
	2018			2017			2016
In thousands
Federal tax at statutory rate(a)	$	15,800		$	33,032		$	31,396
State income taxes, net of federal benefit	2,669			917			999
Tax effect of:
Section 199 Manufacturing deduction	—			(1,616		)	(2,153		)
Foreign derived intangible income benefit	(2,186		)	—			—
Provision to return adjustments	(2,298		)	396			253
Foreign losses for which no tax benefit has been recorded	2,685			—			—
Change in valuation allowance	3,097			941			(395		)
Equity compensation benefit	(910		)	(851		)	(514		)
Impact of tax rate changes, including Tax Reform	199			10,032			613
Other, net	2,012			1,701			651
Income tax expense	$	21,068		$	44,552		$	30,850

^(a) The federal statutory tax rate was 21% for the year ended December 31, 2018 and 35% for the years ended December 31, 2017 and 2016.

Change in the liability for uncertain tax positions

The change in the liability for 2018, 2017 and 2016 is explained as follows:

	2018			2017		2016
In thousands
Balance at January 1	$	3,423		$	2,832	$	2,996
Additions based on current year tax positions	162			381		211
Changes for tax positions of prior years	(128		)	152		(96		)
Settlements	—			58		(155		)
Reductions due to lapses in statutes of limitation	—			—		(124		)
Balance at December 31	$	3,457		$	3,423	$	2,832