Condensed Consolidated Statement of Operations Statement - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Sales Revenue, Goods, Net	$ 128,827	$ 86,293
Sales Revenue, Services, Net	20,524	16,751
Total sales	149,351	103,044
Cost of Goods Sold	60,117	40,815
Cost of Services	10,403	8,769
Total cost of sales	70,520	49,584
Gross profit	78,831	53,460
Research and development	12,503	10,765
Selling, general and administrative	22,098	18,016
Amortization of intangible assets	962	1,058
Total operating expenses	35,563	29,839
Operating income	43,268	23,621
Other (expense) income, net	(3,208)	357
Income from continuing operations before income taxes	40,060	23,978
Provision for income taxes	4,619	3,758
Income from continuing operations	35,441	20,220
Income from discontinued operations, net of income taxes	2,094	2,061
Net income	$ 37,535	$ 22,281
Basic weighted-average common shares outstanding	39,738	39,814
Diluted weighted-average common shares outstanding	40,179	40,100
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.89	$ 0.51
Income (Loss) from Continuing Operations, Per Diluted Share	0.88	0.50
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	0.05	0.05
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	0.05	0.05
Earnings Per Share, Basic	0.94	0.56
Earnings Per Share, Diluted	$ 0.93	$ 0.56