Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Net revenues:
Products		$ 392,922	$ 153,621
Services		44,231	30,060
Total net revenues		437,153	183,681
Cost of revenues:
Cost of products		205,060	85,352
Cost of services		26,546	20,416
Total cost of revenues (exclusive of amortization shown separately below)		231,606	105,768
Gross profit		205,547	77,913
Research and development		33,282	17,227
Selling, general and administrative		74,220	33,950
Acquisition and integration costs		1,442	2,494
Restructuring		522	0
Amortization of intangible assets		12,501	1,683
Income from operations		83,580	22,559
Interest income		516	924
Interest expense		8,832	44
Other income		2,021	366
Income before income taxes		77,285	23,805
Provision for income taxes		12,225	6,242
Net income		65,060	17,563
Other comprehensive income:
Changes in value of financial instruments designated as cash flow hedges, net of tax benefit	[1]	(2,440)	(1,546)
Foreign currency translation adjustments, net of tax of $0		4,534	2,652
Unrecognized pension gain, net of tax expense	[2]	115
Unrealized (loss) gain on investments, net of tax (benefit) expense	[3]	(126)	378
Total comprehensive income		$ 67,143	$ 19,047
Net income per share:
Basic		$ 1.21	$ 0.33
Diluted		1.18	0.33
Cash dividends per common share		$ 0.175	$ 0.170
Weighted average common shares outstanding:
Basic		53,769	53,235
Diluted		54,958	53,563

[1] Tax benefit was $1,831 and $1,041 for the three months ended March 31, 2017 and 2016, respectively.

[2] Tax expense of $86 and $0 for the three months ended March 31, 2017 and 2016, respectively.

[3] Tax (benefit) expense was $(94) and $254 for the three months ended March 31, 2017 and 2016, respectively.