Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Summary of Income Tax Contingencies [Table Text Block]

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):



	2017			2016			2015
Unrecognized tax benefits at January 1,	$	8,557		$	9,964		$	11,747
Tax positions, current period	3,472			983			1,044
Tax positions, prior period	180			83			(640		)
Settlements with taxing authorities	(1,154		)	(1,657		)	(1,371		)
Lapse of applicable statute of limitations	(931		)	(816		)	(816		)
Unrecognized tax benefits at December 31,	$	10,124		$	8,557		$	9,964

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

Deferred tax assets and liabilities as of December 31, 2017 and 2016 are summarized as follows (in thousands):



	2017			2016
Deferred tax assets:
Net operating loss carry-forwards	$	7,976		$	9,885
Tax credit carry-forwards	1,002			2,925
Accruals for compensation	9,399			14,573
Accruals for inventory capitalization	1,909			2,587
Unrealized benefit plan loss	4,006			4,931
Unrealized foreign exchange	5,932			7,221
Unearned revenue	2,649			1,249
Other	580			1,959
Total deferred tax assets	33,453			45,330
Valuation allowance (1)	(8,219		)	(9,963		)
Net deferred tax assets	25,234			35,367
Deferred tax liabilities:
Intangibles	(5,939		)	(7,061		)
Property, plant and equipment	(2,968		)	(5,774		)
Accrued interest	(4,885		)	—
Accruals for compensation	(1,501		)	(3,439		)
Accrued withholding taxes	(2,191		)	(160		)
Unrealized foreign exchange	(1,995		)	(4,206		)
Other	(359		)	(399		)
Total deferred tax liabilities	(19,838		)	(21,039		)
Net deferred income taxes	$	5,396		$	14,328

	2017			2016
Long-term deferred tax assets	10,719			20,605
Long-term deferred tax liabilities	(5,323		)	(6,277		)
Total deferred tax assets (liabilities)	$	5,396		$	14,328

(1) Valuation allowance at 12/31/15 was $10.9 million.

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

The components of income before income tax expense for 2017, 2016 and 2015 are as follows (in thousands):



	2017		2016		2015
United States	$	28,632	$	6,233	$	55,143
Other countries	73,074		68,374		93,547
Income before income tax expense	$	101,706	$	74,607	$	148,690

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

The components of income tax expense for 2017, 2016 and 2015 are as follows (in thousands):



	2017			2016			2015
Current:
United States	$	10,699		$	(2,469	)	$	17,257
Other countries	9,508			16,533			14,629
State and provincial	725			600			1,979
Total current	20,932			14,664			33,865
Deferred:
United States	(2,948		)	1,844			(2,905		)
Other countries	626			(5,845		)	2,947
State and provincial	—			85			(149		)
Total deferred	(2,322		)	(3,916		)	(107		)
Income tax expense	$	18,610		$	10,748		$	33,758

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

The differences in income tax expense computed using the Netherlands statutory income tax rate of 25% in 2017, 2016 and 2015 and our income tax expense as reported in the accompanying Consolidated Statements of Operations for 2017, 2016 and 2015 are as follows (in thousands):



	2017			2016			2015
Tax at the Netherlands income tax rate	$	25,427		$	18,652		$	37,173
International earnings taxed at rates other than the Netherlands statutory rate	(12,496		)	(16,840		)	(14,066		)
Non-deductible expenses	7,006			2,936			2,832
Change in valuation allowance	(1,744		)	(899		)	3,625
State and provincial taxes	829			600			1,133
Adjustments of prior year taxes	(4,272		)	2,412			483
Adjustments of income tax reserves	1,869			(604		)	(1,205		)
Foreign exchange	(1,792		)	3,381			4,358
Accrued withholding taxes	3,067			246			(247		)
Other	716			864			(328		)
Income tax expense	$	18,610		$	10,748		$	33,758