Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Total revenue	$ 1,405.4	$ 1,405.9	$ 1,588.8
Cost of sales	988.9	963.9	1,029.6
Gross margin	416.5	442.0	559.2
Operating expenses:
Research and development	171.6	156.9	153.4
Selling, general and administrative	205.7	206.8	218.4
Amortization of acquisition-related intangibles	15.5	18.2	19.7
Restructuring and impairments	15.9	14.1	2.8
Charge for (release of) litigation	(12.6)	1.3
Total operating expenses	396.1	397.3	394.3
Operating income	20.4	44.7	164.9
Realized loss on sale of securites		12.9
Other expense, net	9.2	8.1	7.2
Income (loss) before income taxes	11.2	23.7	157.7
Provision (benefit) for income taxes	6.2	(0.9)	12.2
Net income	$ 5.0	$ 24.6	$ 145.5
Net income per common share:
Basic	$ 0.04	$ 0.19	$ 1.15
Diluted	$ 0.04	$ 0.19	$ 1.12
Weighted average common shares:
Basic	127.2	126.7	126.7
Diluted	128.7	129.0	130.3