ACQUISITION OF IXIA ACQUISITION OF IXIA - PROFORMA FINANCIAL INFORMATION (Tables)
6 Months Ended
Apr. 30, 2017
Business Combinations [Abstract]  
Business Acquisition, Pro Forma Information [Table Text Block]
The following represents pro forma operating results as if Ixia had been included in the company's consolidated statements of operations as of the beginning of fiscal 2016 (in millions, except per share amounts):
 
Six Months Ended
 
April 30,
 
2017
 
2016
Net revenue
$
1,698

 
$
1,697

Net income
$
90

 
$
95

Net income per share - Basic
$
0.49

 
$
0.52

Net income per share - Diluted
$
0.48

 
$
0.51