Note 13 - Taxes on Income (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

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

	FISCAL YEAR
	2017		2016			2015
	(in thousands)
Current expense/(benefit):
Federal	$	10,245	$	6,886		$	1,524
Foreign		11,923		12,934			9,279
State		1,414		1,633			1,403
Current expense		23,582		21,453			12,206
Deferred expense/(benefit):
Federal		20,467		6,186			19,971
Foreign		1,214		(1,937	)		3,795
State		2,030		(728	)		(2,624	)
Deferred expense		23,711		3,521			21,142
Total income tax expense	$	47,293	$	24,974		$	33,348

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	FISCAL YEAR
	2017		2016		2015
	(in thousands)
U.S. operations	$	53,407	$	38,357	$	58,318
Foreign operations		47,132		40,779		47,448
Income before taxes	$	100,539	$	79,136	$	105,766

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

	2017					2016
	ASSETS			LIABILITIES		ASSETS			LIABILITIES
	(in thousands)
Basis differences of property and equipment	$	0		$	13,281	$	0		$	14,419
Basis difference of intangible assets		0			1,157		978			0
Foreign currency		0			2,597		0			3,216
Net operating loss carryforwards		2,468			0		3,627			0
Valuation allowances on net operating loss carryforwards		(1,186	)		0		(2,500	)		0
Federal tax credits		3,227			0		5,711			0
Deferred compensation		20,220			0		26,546			0
Basis difference of inventory		634			0		4,009			0
Basis difference of prepaids, accruals and reserves		1,777			0		6,273			0
Pensions		2,408			0		3,435			0
Foreign withholding taxes on unremitted earnings		0			909		0			223
Undistributed earnings from foreign subsidiaries not deemed to be indefinitely reinvested		0			0		0			1,481
Basis difference of other assets and liabilities		0			536		0			351
	$	29,548		$	18,480	$	48,079		$	19,690

	FISCAL YEAR
	2017			2016
	(in thousands)
Deferred tax asset (non-current asset)	$	18,003		$	33,117
Deferred income taxes (non-current liabilities)		(6,935	)		(4,728	)
Total net deferred taxes	$	11,068		$	28,389

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

	FISCAL YEAR
	2017			2016			2015
	(in thousands)
Income taxes at U.S. federal statutory rate	$	35,189		$	27,698		$	37,018
Increase (decrease) in taxes resulting from:
State income taxes, net of federal tax effect		2,677			1,861			3,003
Non-deductible business expenses		695			538			614
Non-deductible employee compensation		80			361			168
Tax effects of Company owned life insurance		(1,295	)		(199	)		128
Tax effects of Tax Act:
One-time transition tax on foreign earnings		11,707			0			0
Remeasurement of net Deferred Tax Asset		3,467			0			0
Tax effects of undistributed earnings from foreign subsidiaries not deemed to be indefinitely reinvested		523			463			458
Foreign and U.S. tax effects attributable to foreign operations		(4,537	)		(3,963	)		(3,347	)
Valuation allowance effect – State NOL		(858	)		(1,272	)		(3,797	)
Federal tax credits		(442	)		(494	)		(352	)
Other		87			(19	)		(545	)
Income tax expense	$	47,293		$	24,974		$	33,348

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

	FISCAL YEAR
	2017			2016			2015
	(in thousands)
Balance at beginning of year	$	27,888		$	28,271		$	27,301
Increases related to tax positions taken during the current year		627			690			641
Increases related to tax positions taken during the prior years		709			148			1,230
Decreases related to tax positions taken during the prior years		0			(695	)		(194	)
Decreases related to settlements with taxing authorities		0			0			0
Decreases related to lapse of applicable statute of limitations		(462	)		(403	)		(367	)
Changes due to foreign currency translation		459			(123	)		( 340	)
Balance at end of year	$	29,221		$	27,888		$	28,271