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Note F - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		2015				2014				2013
United States		$	35,391			$	49,692			$	40,374
Foreign countries			1,875				4,042				3,903
Total		$	37,266			$	53,734			$	44,277

		2015				2014				2013
Current expense:
Federal		$	11,465			$	16,638			$	12,159
Foreign			292				946				792	)
State and local			963				1,376				981
			12,720				18,960				13,932
Deferred (benefit) expense:
Federal			(443	)			(1,181	)			108
Foreign			(112	)			(114	)			(38	)
State and local			(8	)			(72	)			171
			(563	)			(1,367	)			241
Income tax expense		$	12,157			$	17,593			$	14,173

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

		2015				2014				2013
Income taxes at statutory rate		$	13,043			$	18,807			$	15,497
State and local income taxes, net of federal tax benefit			680				674				587
Research and development tax credits			(380	)			(371	)			(740	)
Domestic production activities deduction			(964	)			(1,324	)			(952	)
Lower foreign taxes differential			(476	)			(583	)			(612	)
Uncertain tax positions			26				53				94
Valuation allowance			(59	)			174				162
Other			287				163				137
Income tax expense		$	12,157			$	17,593			$	14,173

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

		2015				2014				2013
Deferred tax assets:
Inventories			1,664			$	1,030			$	1,688
Accrued liabilities			2,450				2,538				2,341
Postretirement health benefits obligation			7,547				7,602				6,545
Pension			3,443				1,649				—
Deferred revenue			-				1,267				—
Other			292				550				101
Total deferred tax assets			15,396				14,636				10,675
Valuation allowance			(277	)			(336	)			(162	)
Net deferred tax assets			15,119				14,300				10,513
Deferred tax liabilities:
Depreciation and amortization			(18,059	)			(17,711	)			(16,858	)
Pension			-				—				(1,634	)
Total deferred tax liabilities			(18,059	)			(17,711	)			(18,492	)
Net deferred tax liabilities			(2,940	)		$	(3,411	)		$	(7,979	)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

		2015				201 4				2013
Balance at beginning of year		$	576			$	516			$	421
Additions based on tax positions related to the current year			113				158				189
Reductions due to lapse of applicable statute of limitations			(101	)			(98	)			(46	)
Settlements			(21	)			—				(48	)
Balance at end of year		$	567			$	576			$	516

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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