Stock Compensation (Tables)

6 Months Ended

Apr. 30, 2018

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

Stock Compensation Arrangements

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   April 30,						Six Months Ended   April 30,
	2018			2017			2018			2017
	(in thousands)
Cost of products	$	3,460		$	2,813		$	6,843		$	5,812
Cost of maintenance and service	1,290			947			2,537			1,808
Research and development expense	15,150			12,568			30,546			25,452
Sales and marketing expense	6,875			4,807			13,496			9,936
General and administrative expense	6,190			4,427			11,866			8,388
Stock compensation expense before taxes	32,965			25,562			65,288			51,396
Income tax benefit	(6,336		)	(7,065		)	(12,548		)	(14,206		)
Stock compensation expense after taxes	$	26,629		$	18,497		$	52,740		$	37,190

Schedule of Intrinsic Value of Equity Awards Exercised

The intrinsic values of equity awards exercised during the periods are as follows:

	Three Months Ended   April 30,				Six Months Ended   April 30,
	2018		2017		2018		2017
	(in thousands)
Intrinsic value of awards exercised	$	12,017	$	22,369	$	30,792	$	28,656