Goodwill And Other Intangible Assets, Net (Tables)

12 Months Ended

Apr. 27, 2012

Goodwill And Other Intangible Assets, Net [Abstract]

Schedule Of Goodwill Activity

April 30, 2010	$	681.0
Additions		79.3
April 29, 2011		760.3
Additions		143.7
Adjustments		1.2
April 27, 2012	$	905.2

Identified Intangible Assets

	April 27, 2012							April 29, 2011
	Gross Carrying Amount		Accumulated Amortization			Other Intangible Assets, Net		Gross Carrying Amount		Accumulated Amortization			Other Intangible Assets, Net
Developed technology	$	282.1	$	(79.0	)	$	203.1	$	66.1	$	(23.2	)	$	42.9
Customer contracts/relationships		59.4		(32.7	)		26.7		12.0		(4.6	)		7.4
Trademarks and trade names		14.7		(9.7	)		5.0		7.7		(5.5	)		2.2
Covenants not to compete		2.2		(1.0	)		1.2		0.6		(0.1	)		0.5
Total other intangible assets	$	358.4	$	(122.4	)	$	236.0	$	86.4	$	(33.4	)	$	53.0

Amortization Expense For Identified Intangible Assets

	Year Ended						Statements of  Operations Classifications
	April 27, 2012		April 29, 2011		April 30, 2010
Developed technology	$	55.8	$	13.3	$	17.2	Cost of product revenues
Customer contracts/relationships		28.1		3.0		2.4	Sales and marketing
Trademarks and trade names		4.2		1.2		1.0	Sales and marketing
Covenants not to compete		0.9		0.2		0.0	Sales and marketing/ Research and development
	$	89.0	$	17.7	$	20.6

Future Amortization Expense Related To Identifiable Intangible Assets

Fiscal Year	Amount
2013	$	84.2
2014		52.0
2015		50.6
2016		46.9
2017		2.3
Total	$	236.0