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			$ 361.9				$ 680.4
Services			60.9				121.6
Total revenue			422.8				802.0
Cost of Revenue
Products			155.7				301.3
Services			40.9				82.6
Total cost of revenue			196.6				383.9
Gross Profit			226.2				418.1
Gross profit as a percentage of revenue			53.50%				52.10%
Gross profit as a percentage of revenue - products			57.00%				55.70%
Gross profit as a percentage of revenue - services			32.80%				32.10%
Operating Expenses
Research and development			71.3				140.5
Sales and marketing			43.8				88.9
General and administrative			24.9				49.7
Intangible asset amortization			7.4				14.8
Restructuring and other charges			(0.5)		1.0		9.5
Total operating expenses			146.9				303.4
Operating (Loss) Earnings			79.3				114.7
Operating (loss) earnings as a percentage of revenue			18.80%				14.30%
Other Income
Interest income, net			3.0				6.9
Other (expense) income, net			2.1				4.8
Total other income			5.1				11.7
(Loss) Earnings Before Income Tax			84.4				126.4
Income tax benefit (expense)	3.9		(20.3)		9.7		(16.7)
Net (Loss) Earnings			64.1				109.7
Weighted Average Shares Outstanding
Basic			385.4				385.0
Diluted			389.9				389.5
Net (Loss) Earnings Per Share
Basic			$ 0.17				$ 0.28
Diluted			$ 0.16	[1]			$ 0.28	[1]
Cash Dividends Per Share			$ 0.02				$ 0.04
Restated [Member]
Revenue
Products	259.5				531.9
Services	57.2				107.2
Total revenue	316.7				639.1
Cost of Revenue
Products	165.3				324.8
Services	36.2				76.8
Total cost of revenue	201.5				401.6
Gross Profit	115.2				237.5
Gross profit as a percentage of revenue	36.40%				37.20%
Gross profit as a percentage of revenue - products	36.30%				38.90%
Gross profit as a percentage of revenue - services	36.70%				28.40%
Operating Expenses
Research and development	83.5				163.8
Sales and marketing	40.8				85.5
General and administrative	21.0				44.7
Intangible asset amortization	5.1				10.3
Restructuring and other charges					1.0
Total operating expenses	150.4				305.3
Operating (Loss) Earnings	(35.2)				(67.8)
Operating (loss) earnings as a percentage of revenue	(11.10%)				(10.60%)
Other Income
Interest income, net	3.1				6.4
Other (expense) income, net	(1.1)				(1.7)
Total other income	2.0				4.7
(Loss) Earnings Before Income Tax	(33.2)				(63.1)
Income tax benefit (expense)	3.9				9.7
Net (Loss) Earnings	$ (29.3)				$ (53.4)
Weighted Average Shares Outstanding
Basic	364.6				363.8
Diluted	364.6				363.8
Net (Loss) Earnings Per Share
Basic	$ (0.08)				$ (0.15)
Diluted	$ (0.08)	[1]			$ (0.15)	[1]
Cash Dividends Per Share	$ 0.02				$ 0.04

[1] We exclude certain employee equity-based awards from the weighted average shares outstanding computation because the exercise price was greater than the average market price of the common shares; therefore, the effect would have been anti-dilutive.