CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Revenue	$ 216,730	$ 224,323
Cost of goods sold	154,141	136,929
Gross profit	62,589	87,394
Operating expenses:
Research, development and engineering	37,074	36,476
Selling, general and administrative	25,222	25,229
Litigation expense	3,864	5,399
Total operating expenses	66,160	67,104
(Loss) income from operations	(3,571)	20,290
Other income (expense), net:
Interest income	49	104
Interest expense	(350)	(387)
Foreign currency gain (loss)	36	(56)
Gain/recovery of investment	(6,953)	(151)
Other, net	74	23
Total other income (expense), net	6,762	(165)
Income before income tax	3,191	20,125
Income tax expense	1,308	7,686
Net income	1,883	12,439
Net income per common share:
Basic	$ 0.01	$ 0.08
Diluted	$ 0.01	$ 0.07
Common equivalent shares:
Basic	166,237	162,413
Diluted	170,566	172,822
Other comprehensive income
Net unrealized gain on available for sale investments	0	3
Comprehensive income	$ 1,883	$ 12,442