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Segment Information (Tables)
6 Months Ended
Apr. 28, 2012
Segment Reporting [Abstract]  
Schedule Of Financial Information By Reportable Segment
 
Data Storage Products
 
Ethernet Products
 
Global Services
 
Total
Three months ended April 28, 2012
 
 
 
 
 
 
 
Net revenues
$
342,922

 
$
113,182

 
$
87,335

 
$
543,439

Cost of revenues
90,357

 
73,820

 
42,180

 
206,357

Gross margin
$
252,565

 
$
39,362

 
$
45,155

 
$
337,082

Three months ended April 30, 2011
 
 
 
 
 
 
 
Net revenues
$
328,836

 
$
128,659

 
$
90,869

 
$
548,364

Cost of revenues
97,831

 
73,244

 
48,680

 
219,755

Gross margin
$
231,005

 
$
55,415

 
$
42,189

 
$
328,609

Six months ended April 28, 2012
 
 
 
 
 
 
 
Net revenues
$
695,794

 
$
236,612

 
$
171,675

 
$
1,104,081

Cost of revenues
186,195

 
153,389

 
82,646

 
422,230

Gross margin
$
509,599

 
$
83,223

 
$
89,029

 
$
681,851

Six months ended April 30, 2011
 
 
 
 
 
 
 
Net revenues
$
659,739

 
$
254,785

 
$
179,596

 
$
1,094,120

Cost of revenues
198,303

 
150,388

 
95,937

 
444,628

Gross margin
$
461,436

 
$
104,397

 
$
83,659

 
$
649,492