Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Net revenues:
Products	$ 1,154,922		$ 1,383,569		$ 1,160,191
Services	273,011		273,181		268,870
Total net revenues	1,427,933	[1]	1,656,750	[1]	1,429,061	[1]
Cost of revenues:
Cost of products	499,030		642,881		578,936
Cost of services	120,102		127,832		138,302
Total cost of revenues	619,132		770,713		717,238
Gross profit	808,801		886,037		711,823
Operating expenses:
Engineering and development	264,055		255,866		201,024
Selling and administrative	279,560		277,016		232,093
Acquired intangible assets amortization	72,447		73,508		40,465
Restructuring and other	2,080		(7,721)		6,743
Total operating expenses	618,142		598,669		480,325
Income from operations	190,659		287,368		231,498
Interest income	4,129		4,090		6,617
Interest expense and other	(7,134)		25,482		23,694
Income (loss) from continuing operations before income taxes	201,922	[2],[3]	265,976	[2],[3]	214,421	[2],[3]
Provision (benefit) for income taxes	36,975		48,927		(129,536)
Income from continuing operations	164,947		217,049		343,957
Income from discontinued operations before income taxes					1,278
Benefit for income taxes					(267)
Income from discontinued operations					1,545
Gain on disposal of discontinued operations (net of tax $4,578)					24,371
Net income	$ 164,947		$ 217,049		$ 369,873
Income from continuing operations per common share:
Basic	$ 0.86		$ 1.16		$ 1.86
Diluted	$ 0.70		$ 0.94		$ 1.52
Net income per common share:
Basic	$ 0.86		$ 1.16		$ 2.00
Diluted	$ 0.70		$ 0.94		$ 1.63
Weighted average common shares-basic	190,772		186,878		184,683
Weighted average common shares-diluted	235,599		230,246		226,820

[1] Revenues attributable to a country are based on location of customer site.

[2] Interest income, interest expense and other, and pension and postretirement plans actuarial gains and losses are included in Corporate and Eliminations.

[3] Included in income (loss) from continuing operations before taxes are charges and credits related to restructuring and other and inventory charges.