CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Oct. 02, 2011		Sep. 30, 2012		Oct. 02, 2011
Net revenues:
Products	$ 393,037		$ 274,944		$ 1,204,506		$ 931,979
Services	70,357		69,445		203,840		200,090
Total net revenues	463,394		344,389		1,408,346		1,132,069
Cost of revenues:
Cost of products	169,782		138,088		550,282		451,371
Cost of services	33,412		35,927		97,432		102,754
Total cost of revenues	203,194		174,015		647,714		554,125
Gross profit	260,200		170,374		760,632		577,944
Operating expenses:
Engineering and development	63,055		45,896		189,722		141,432
Selling and administrative	69,921		54,775		211,064		170,386
Acquired intangible asset amortization	18,429		6,754		55,287		21,336
Restructuring and other, net	683		1,465		(7,404)		3,157
Total operating expenses	152,088		108,890		448,669		336,311
Income from operations	108,112		61,484		311,963		241,633
Interest income	1,067		3,049		2,834		5,739
Interest expense and other	(6,154)		(6,068)		(18,536)		(17,560)
Income from continuing operations before income taxes	103,025	[1],[2]	58,465	[1],[2]	296,261	[1],[2]	229,812	[1],[2]
Income tax provision	14,384		1,759		62,669		15,084
Income from continuing operations	88,641		56,706		233,592		214,728
Income from discontinued operations before income taxes							1,436
Income tax benefit							(267)
Income from discontinued operations							1,703
Gain on disposal of discontinued operations (net of income tax provision of $4,578)							24,371
Net income	$ 88,641		$ 56,706		$ 233,592		$ 240,802
Income per common share from continuing operations:
Basic	$ 0.47		$ 0.31		$ 1.25		$ 1.16
Diluted	$ 0.39		$ 0.26		$ 1.02		$ 0.94
Net income per common share:
Basic	$ 0.47		$ 0.31		$ 1.25		$ 1.30
Diluted	$ 0.39		$ 0.26		$ 1.02		$ 1.06
Weighted average common share-basic	187,364		185,102		186,592		185,063
Weighted average common share-diluted	229,210		221,892		230,003		228,141

[1] Pension and post retirement actuarial gains and losses, interest income, and interest expense and other are included in Corporate and Eliminations.

[2] Included in the income (loss) from continuing operations before income taxes for each of the segments are charges and credits for the three and nine months ended September 30, 2012 and October 2, 2011 that include restructuring and other, net, and provision for excess and obsolete inventory, as follows: