Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Provision for Taxes on Income and Other Related Income Before Taxes

The provisions for taxes on income and the related income before taxes for the years ended December 31, 2014, 2013 and 2012, were as follows:

(In thousands)	2014		2013			2012
Taxes on Income
Federal
Current	$	3,362	$	9,744		$	23,744
Deferred		4,338		(285	)		(525	)
State
Current		782		1,223			1,999
Deferred		643		(680	)		(537	)
Foreign
Current		9,004		12,067			10,158
Deferred		325		1,224			1,196
Total	$	18,454	$	23,293		$	36,035
Income before Taxes
Domestic	$	34,091	$	50,626		$	80,371
Foreign		41,444		45,004			35,351
Total	$	75,535	$	95,630		$	115,722

Summary of Variations Between the Effective and Statutory U.S. Federal Income Tax Rates

The variations between the effective and statutory U.S. federal income tax rates are summarized as follows:

(In thousands)	2014Amount			%			2013Amount			%			2012Amount			%
Federal income tax provision at statutory tax rate	$	26,437			35.0		$	33,471			35.0		$	40,503			35.0
State tax provision on income less applicable federal tax benefit		926			1.2			353			0.4			1,470			1.3
Foreign income taxed at different rates		(5,175	)		(6.9	)		(2,509	)		(2.6	)		(1,172	)		(1.0	)
Repatriation of foreign earnings		83			0.1			146			0.2			24			—
Domestic production activities deduction		(312	)		(0.4	)		(991	)		(1.0	)		(1,446	)		(1.2	)
Nontaxable foreign interest income		(2,435	)		(3.2	)		(2,614	)		(2.7	)		(2,690	)		(2.3	)
Nontaxable biodiesel excise credit income		(130	)		(0.2	)		(2,347	)		(2.5	)		—			—
U.S. tax credits		(1,086	)		(1.4	)		(2,209	)		(2.3	)		—			—
Non-deductible expenses and other items, net		146			0.2			(7	)		(0.1	)		(654	)		(0.7	)
Total income tax provision	$	18,454			24.4		$	23,293			24.4		$	36,035			31.1

Schedule Showing Tax Effects of Significant Temporary Differences Representing Deferred Tax Assets and Liabilities

At December 31, 2014 and 2013, the tax effects of significant temporary differences representing deferred tax assets and liabilities were as follows:

(In thousands)	2014			2013
Deferred Tax Liabilities:
Depreciation	$	(63,104	)	$	(57,113	)
Amortization of intangibles		—			(49	)
Unrealized foreign exchange loss		(838	)		(910	)
Other		(1,159	)		(823	)
	$	(65,101	)	$	(58,895	)
Deferred Tax Assets:
Pensions	$	18,775		$	5,640
Deferred revenue		1,650			3,058
Other accruals and reserves		13,230			12,061
Inventories		1,957			1,158
Legal and environmental accruals		9,505			6,594
Deferred compensation		15,636			20,510
Bad debt and rebate reserves		4,618			3,018
Subsidiaries net operating loss carryforwards		727			899
Tax credit carryforwards		2,064			915
	$	68,162		$	53,853
Valuation Allowance	$	(1,506	)	$	(1,302	)
Net Deferred Tax (Liabilities) Assets	$	1,555		$	(6,344	)
Reconciliation to Consolidated Balance Sheet:
Current deferred tax assets	$	15,364		$	12,637
Non-current deferred tax assets (in other non-current assets)		2,044			1,658
Current deferred tax liabilities (in accrued liabilities)		(49	)		(23	)
Non-current deferred tax liabilities		(15,804	)		(20,616	)
Net Deferred Tax (Liabilities) Assets	$	1,555		$	(6,344	)

Schedule of Reconciliations of Unrecognized Tax Benefits

Below are reconciliations of the January 1 and December 31 balances of unrecognized tax benefits for 2014, 2013 and 2012:

(In thousands)	2014			2013			2012
Unrecognized tax benefits, opening balance	$	240		$	289		$	1,232
Gross increases – tax positions in prior period		—			27			—
Gross decreases – tax positions in prior period		—			(41	)		(569	)
Gross increases – current period tax positions		261			17			44
Settlements		—			—			—
Foreign currency translation		(13	)		5			23
Lapse of statute of limitations		(24	)		(57	)		(441	)
Unrecognized tax benefits, ending balance	$	464		$	240		$	289