CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Total revenue	$ 343.2	$ 352.2
Cost of sales	250.8	247.3
Gross margin	92.4	104.9
Gross margin %	26.90%	29.80%
Operating expenses:
Research and development	42.6	40.1
Selling, general and administrative	51.6	54.7
Amortization of acquisition-related intangibles	3.8	4.8
Restructuring and impairments	1.2	2.4
Release of litigation charge	(12.6)
Total operating expenses	86.6	102.0
Operating income	5.8	2.9
Other expense, net	4.6	1.5
Income before income taxes	1.2	1.4
Provision (benefit) for income taxes	1.7	(0.2)
Net income (loss)	$ (0.5)	$ 1.6
Net income (loss) per common share:
Basic	$ 0.00	$ 0.01
Diluted	$ 0.00	$ 0.01
Weighted average common shares:
Basic	127.2	126.3
Diluted	127.2	129.2