Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Jul. 01, 2011	Jul. 02, 2010
Revenue
Products	$ 277.0	$ 361.9	$ 549.4	$ 680.4
Services	57.2	60.9	107.2	121.6
Total revenue	334.2	422.8	656.6	802.0
Cost of Revenue
Products	173.0	155.7	332.5	301.3
Services	36.2	40.9	76.8	82.6
Total cost of revenue	209.2	196.6	409.3	383.9
Gross Profit	125.0	226.2	247.3	418.1
Gross profit as a percentage of revenue	37.40%	53.50%	37.70%	52.10%
Gross profit as a percentage of revenue - products	37.50%	57.00%	39.50%	55.70%
Gross profit as a percentage of revenue - services	36.70%	32.80%	28.40%	32.10%
Operating Expenses
Research and development	83.5	71.3	163.8	140.5
Sales and marketing	40.8	43.8	85.5	88.9
General and administrative	21.0	24.9	44.7	49.7
Intangible asset amortization	5.1	7.4	10.3	14.8
Restructuring and other charges		(0.5)	1.0	9.5
Total operating expenses	150.4	146.9	305.3	303.4
Operating (Loss) Earnings	(25.4)	79.3	(58.0)	114.7
Operating (loss) earnings as a percentage of revenue	(7.60%)	18.80%	(8.80%)	14.30%
Other Income
Interest income, net	3.1	3.0	6.4	6.9
Other (expense) income, net	(1.1)	2.1	(1.7)	4.8
Total other income	2.0	5.1	4.7	11.7
(Loss) Earnings Before Income Tax	(23.4)	84.4	(53.3)	126.4
Income tax benefit (expense)	3.3	(20.3)	9.1	(16.7)
Net (Loss) Earnings	$ (20.1)	$ 64.1	$ (44.2)	$ 109.7
Weighted Average Shares Outstanding
Basic	364.6	385.4	363.8	385.0
Diluted	364.6	389.9	363.8	389.5
Net (Loss) Earnings Per Share
Basic	$ (0.06)	$ 0.17	$ (0.12)	$ 0.28
Diluted	$ (0.06)	$ 0.16	$ (0.12)	$ 0.28
Cash Dividends Per Share	$ 0.02	$ 0.02	$ 0.04	$ 0.04