Balance Sheet Details (Tables)

12 Months Ended

Apr. 27, 2012

Balance Sheet Details [Abstract]

Cash And Cash Equivalents

	April 27, 2012		April 29, 2011
Cash	$	649.8	$	1,169.1
Cash equivalents		900.0		1,588.2
Cash and cash equivalents	$	1,549.8	$	2,757.3

Inventories

	April 27, 2012		April 29, 2011
Purchased components	$	30.9	$	7.6
Finished goods		130.6		100.9
Inventories	$	161.5	$	108.5

Other Current Assets

	April 27, 2012		April 29, 2011
Deferred tax assets, net	$	201.6	$	145.7
Prepaid expenses and other current assets		225.4		188.4
Short-term restricted cash		8.6		5.3
Other current assets	$	435.6	$	339.4

Property And Equipment, Net

	April 27, 2012			April 29, 2011
Land	$	247.6		$	204.7
Buildings and building improvements		417.9			406.2
Leasehold improvements		96.5			79.3
Computer, production, engineering and other equipment		638.1			475.5
Software		381.6			270.4
Furniture and fixtures		71.7			61.5
Construction-in-progress		107.1			91.9
		1,960.5			1,589.5
Accumulated depreciation and amortization		(823.3	)		(677.9	)
Property and equipment, net	$	1,137.2		$	911.6

Computer Software, Net Book Value

	April 27, 2012		April 29, 2011
Computer software	$	160.1	$	88.3

Depreciation And Amortization Expense

	Year Ended
	April 27, 2012		April 29, 2011		April 30, 2010
Depreciation and amortization expense	$	204.1	$	147.9	$	145.4

Computer Software Amortization Expense

	Year Ended
	April 27, 2012		April 29, 2011		April 30, 2010
Computer software amortization expense	$	53.8	$	37.9	$	36.6

Other Non-Current Assets

	April 27, 2012		April 29, 2011
Auction rate securities	$	51.0	$	65.1
Restricted cash		2.6		2.8
Deferred tax assets, net		203.8		213.2
Other assets		170.0		127.6
Other non-current assets	$	427.4	$	408.7

Short-Term And Long-Term Deferred Revenue

	April 27, 2012		April 29, 2011
Product	$	25.7	$	106.2
SEM and service		2,790.2		2,208.7
Total	$	2,815.9	$	2,314.9
Reported as:
Short-term	$	1,366.5	$	1,226.6
Long-term		1,449.4		1,088.3
Total	$	2,815.9	$	2,314.9

Accumulated Other Comprehensive Income

	April 27, 2012			April 29, 2011
Accumulated foreign currency translation adjustments	$	4.9		$	11.6
Accumulated defined benefit obligation adjustments		(4.4	)		0.0
Accumulated unrealized gains on available-for-sale securities		4.9			3.4
Accumulated unrealized losses on derivatives instruments		(0.5	)		(2.2	)
Total accumulated other comprehensive income	$	4.9		$	12.8