Segment Geographic and Significant Customer Information - Significant Customers (Detail)	3 Months Ended
	Jul. 26, 2013	Jul. 27, 2012
Arrow Electronics, Inc.
Segment Reporting Information [Line Items]
Percentage of net revenues	21.00%	17.00%	[1]
Avnet, Inc.
Segment Reporting Information [Line Items]
Percentage of net revenues	16.00%	14.00%	[1]

[1] Net revenues for Arrow Electronics, Inc. for the three months ended July 27, 2012 have been corrected from 16% previously disclosed to 17%.