Intangibles, Net (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangibles, Net

Intangibles, net consisted of the following:

	December 31, 2015
(in thousands)	Cost		Accumulated amortization		Net		Amortization Method
Trademarks	$	13,540	$	6,934	$	6,606		Straight-line
Customer relationships		100,737		88,564		12,173		Accelerated
Other patents		42,780		41,063		1,717		Straight-line
	$	157,057	$	136,561	$	20,496

	December 31, 2014
(in thousands)	Cost		Accumulated amortization		Net		Amortization Method
Trademarks	$	13,540	$	5,116	$	8,424		Straight-line
Customer relationships		105,373		88,931		16,442		Accelerated
Other patents		42,780		40,455		2,325		Straight-line
	$	161,693	$	134,502	$	27,191

Schedule of Expected Future Amortization Expense Related to Intangible Assets

Expected future amortization expense related to the intangible assets is as follows (in thousands):

Years ended December 31,
2016	$	5,165
2017		3,386
2018		2,683
2019		1,832
2020		1,592
2021 and thereafter		5,838
	$	20,496

Schedule of Changes in Gross Carrying Amount of Intangible Assets

Changes in the gross carrying amount of intangible assets for the year ended December 31, 2015 and 2014, were as follows (in thousands):

(in thousands)
Balance at December 31, 2013	$	162,618
Effect of currency translation		(925	)
Balance at December 31, 2014		161,693
Intangible assets held for sale		(3,188	)
Effect of currency translation		(1,448	)
Balance at December 31, 2015	$	157,057