v2.4.0.6
Segment, Geographic, And Significant Customer Information (Schedule Of Accounts Receivable From Significant Customers) (Details) (USD $)
In Millions, unless otherwise specified
Jan. 27, 2012
Apr. 29, 2011
Segment Reporting Information [Line Items]    
Concentration risk, percentage 10.00% 10.00%
Accounts receivable, net $ 685.4 $ 742.6
Arrow Electronics, Inc. [Member]
   
Segment Reporting Information [Line Items]    
Accounts receivable, net   101.4
Avnet, Inc. [Member]
   
Segment Reporting Information [Line Items]    
Accounts receivable, net $ 70.9 $ 107.5