Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net sales	$ 1,081,121	$ 962,069	$ 693,459
Cost of sales	610,890	585,386	399,245
Gross profit	470,231	376,683	294,214
Selling, general and administrative expenses	198,914	231,833	137,123
Engineering, research and development expenses	105,900	87,711	55,320
Amortization of intangible assets	47,349	37,067	9,347
Contingent consideration fair value adjustment	0	(1,282)	(1,813)
Operating income	118,068	21,354	94,237
Interest expense	38,667	33,355	153
Interest income	(429)	(1,336)	(317)
Other (income) expense, net	(12,355)	2,727	(1,794)
Income (loss) before income tax expense (benefit) and equity in net loss of affiliates	92,185	(13,392)	96,195
Income tax expense (benefit)	10,202	(21,572)	21,669
Equity in net loss of affiliates	1,687	293	0
Net income	$ 80,296	$ 7,887	$ 74,526
Earnings Per Share:
Basic net income per common share	$ 0.57	$ 0.06	$ 0.54
Diluted net income per common share	$ 0.57	$ 0.06	$ 0.53
Weighted shares outstanding
Basic	140,353	139,311	138,950
Diluted	141,121	140,062	139,618