Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Apr. 27, 2012	Apr. 29, 2011
Current assets:
Cash and cash equivalents	$ 1,549.8	$ 2,757.3
Short-term investments	3,848.7	2,417.4
Accounts receivable, net of allowances of $0.4 million and $0.5 million as of April 27, 2012 and April 29, 2011, respectively	830.9	742.6
Inventories	161.5	108.5
Other current assets	435.6	339.4
Total current assets	6,826.5	6,365.2
Property and equipment, net	1,137.2	911.6
Goodwill	905.2	760.3
Other intangible assets, net	236.0	53.0
Other non-current assets	427.4	408.7
Total assets	9,532.3	8,498.8
Current liabilities:
Accounts payable	233.1	232.8
Accrued compensation and related benefits	340.3	437.2
Other current liabilities	377.6	325.8
1.75% Convertible Senior Notes Due 2013	1,202.3	1,150.4
Short-term deferred revenue	1,366.5	1,226.6
Total current liabilities	3,519.8	3,372.8
Other long-term liabilities	206.9	192.9
Long-term deferred revenue	1,449.4	1,088.3
Total liabilities	5,176.1	4,654.0
Commitments and contingencies (Note 17)
1.75% Convertible Senior Notes Due 2013	62.6	114.6
Stockholders' equity:
Preferred stock, $0.001 par value, 5.0 shares authorized; no shares issued or outstanding as of April 27, 2012 or April 29, 2011	0	0
Common stock, $0.001 par value, 885.0 shares authorized; 468.9 and 473.3 shares issued as of April 27, 2012 and April 29, 2011, respectively	0.5	0.5
Additional paid-in capital	4,410.3	3,970.3
Treasury stock, at cost (104.3 shares as of April 27, 2012 and April 29, 2011)	(2,927.4)	(2,927.4)
Retained earnings	2,805.3	2,674.0
Accumulated other comprehensive income	4.9	12.8
Total stockholders' equity	4,293.6	3,730.2
Total liabilities and stockholders' equity	$ 9,532.3	$ 8,498.8