Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended				6 Months Ended
	Jul. 03, 2011		Jul. 04, 2010		Jul. 03, 2011		Jul. 04, 2010
Net revenues:
Products	$ 341,316		$ 386,734		$ 657,035		$ 650,220
Services	69,203		58,537		130,645		114,389
Total net revenues	410,519		445,271		787,680		764,609
Cost of revenues:
Cost of products	159,995		164,421		313,358		285,294
Cost of services	35,438		29,948		66,827		58,537
Total cost of revenues	195,433		194,369		380,185		343,831
Gross profit	215,086		250,902		407,495		420,778
Operating expenses:
Engineering and development	47,393		49,341		95,370		97,278
Selling and administrative	57,481		57,730		115,710		112,417
Acquired intangible asset amortization	7,291		7,313		14,582		14,668
Restructuring and other, net	1,279		371		1,692		1,274
Total operating expenses	113,444		114,755		227,354		225,637
Income from operations	101,642		136,147		180,141		195,141
Interest income	1,403		3,681		2,690		4,523
Interest expense and other	(5,316)		(7,755)		(11,492)		(13,662)
Income from continuing operations before income taxes	97,729	[1],[2]	132,073	[1],[2]	171,339	[1],[2]	186,002	[1],[2]
Income tax provision	7,839		9,543		13,325		14,373
Income from continuing operations	89,890		122,530		158,014		171,629
(Loss) Income from discontinued operations before income taxes			(381)		1,278		620
Income tax benefit					(267)
(Loss) Income from discontinued operations			(381)		1,545		620
(Loss) Gain on disposal of discontinued operations (net of income tax of $0, $0, $4,578, $0, respectively)	(832)				24,371
Net income	$ 89,058		$ 122,149		$ 183,930		$ 172,249
Income per common share from continuing operations:
Basic	$ 0.48		$ 0.68		$ 0.85		$ 0.97
Diluted	$ 0.39		$ 0.55		$ 0.68		$ 0.79
Net income per common share:
Basic	$ 0.48		$ 0.68		$ 0.99		$ 0.97
Diluted	$ 0.39		$ 0.55		$ 0.80		$ 0.79
Weighted average common share-basic	185,367		179,990		185,044		178,429
Weighted average common share-diluted	230,452		231,541		231,266		228,909

[1] Included in the income (loss) from continuing operations before income taxes for each of the segments are charges for the three months and six months ended July 3, 2011 and July 4, 2010 that include restructuring and other, net, and provision for excess and obsolete inventory, as follows:

[2] Interest income and interest expense and other are included in Corporate and Eliminations.