Stock Compensation

3 Months Ended

Jan. 31, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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 January 31,
	2019			2018
	(in thousands)
Cost of products	$	4,126		$	3,383
Cost of maintenance and service	1,459			1,247
Research and development expense	18,304			15,396
Sales and marketing expense	7,272			6,621
General and administrative expense	7,299			5,676
Stock compensation expense before taxes	38,460			32,323
Income tax benefit	(6,449		)	(6,038		)
Stock compensation expense after taxes	$	32,011		$	26,285

As of January 31, 2019, there was $249.7 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 January 31,
	2019		2018
	(in thousands)
Intrinsic value of awards exercised	$	8,152	$	18,775