Segment, Geographic, And Significant Customer Information (Schedule Of Revenues By Geographic Areas) (Details) (USD $) In Millions	3 Months Ended
	Jul. 29, 2011		Jul. 30, 2010
Net revenues	$ 1,458.2		$ 1,153.7
Sales to United States	689.3		570.6
Americas (United States, Canada And Latin America) [Member]
Revenues from external customers attributed to foreign countries	813.4	[1]	639.3	[1]
Europe, Middle East And Africa [Member]
Revenues from external customers attributed to foreign countries	456.7		393.0
Asia Pacific And Japan [Member]
Revenues from external customers attributed to foreign countries	$ 188.1		$ 121.4

[1] Sales to the United States accounted for $689.3 million and $570.6 million in the three months periods ended July 29, 2011 and July 30, 2010, respectively.