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Stock Compensation
9 Months Ended
Jul. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock Compensation Stock Compensation
The compensation cost recognized in the unaudited condensed consolidated statements of operations for the Company’s stock compensation arrangements was as follows:
 
Three Months Ended 
 July 31,
 
Nine Months Ended 
 July 31,
 
2019
 
2018
 
2019
 
2018
 
(in thousands)
Cost of products
$
4,493

 
$
3,820

 
$
12,684

 
$
10,663

Cost of maintenance and service
1,694

 
1,442

 
4,675

 
3,979

Research and development expense
19,383

 
18,412

 
55,802

 
48,958

Sales and marketing expense
7,360

 
7,317

 
21,790

 
20,813

General and administrative expense
6,523

 
6,261

 
19,876

 
18,127

Stock compensation expense before taxes
39,453

 
37,252

 
114,827

 
102,540

Income tax benefit
(6,593
)
 
(7,111
)
 
(19,188
)
 
(19,574
)
Stock compensation expense after taxes
$
32,860

 
$
30,141

 
$
95,639

 
$
82,966


As of July 31, 2019, there was $298.1 million of unamortized share-based compensation expense relating to options and restricted stock units and awards, which is expected to be amortized over a weighted-average period of approximately 2.4 years.
The intrinsic values of equity awards exercised during the periods are as follows:
 
Three Months Ended 
 July 31,
 
Nine Months Ended 
 July 31,
 
2019
 
2018
 
2019
 
2018
 
(in thousands)
Intrinsic value of awards exercised
$
37,436

 
$
19,283

 
$
96,014

 
$
50,075