Consolidated Statements Of Operations (USD $) In Millions, except Per Share data	3 Months Ended
	Jul. 29, 2011	Jul. 30, 2010
Revenues:
Product	$ 965.7	$ 737.5
Software entitlements and maintenance	198.2	174.2
Service	294.3	242.0
Net revenues	1,458.2	1,153.7
Cost of revenues:
Cost of product	437.4	310.2
Cost of software entitlements and maintenance	5.3	3.4
Cost of service	118.6	102.3
Total cost of revenues	561.3	415.9
Gross profit	896.9	737.8
Operating expenses:
Sales and marketing	454.8	354.2
Research and development	198.6	149.5
General and administrative	65.1	56.2
Acquisition related expense	2.2	0.3
Total operating expenses	720.7	560.2
Income from operations	176.2	177.6
Other expense, net:
Interest income	10.6	9.8
Interest expense	(19.4)	(18.6)
Other income (expense), net	(0.3)	2.2
Total other expense, net	(9.1)	(6.6)
Income before income taxes	167.1	171.0
Provision for income taxes	27.6	20.3
Net income	$ 139.5	$ 150.7
Net income per share:
Basic	$ 0.38	$ 0.43
Diluted	$ 0.34	$ 0.40
Shares used in net income per share calculations:
Basic	370.3	352.4
Diluted	405.5	374.3