Stock Compensation (Tables)

9 Months Ended

Jul. 31, 2017

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   July 31,						Nine Months Ended   July 31,
	2017			2016			2017			2016
	(in thousands)
Cost of products	$	3,358		$	2,912		$	9,170		$	8,116
Cost of maintenance and service	1,073			650			2,881			1,792
Research and development expense	13,617			13,046			39,069			36,469
Sales and marketing expense	5,494			5,139			15,430			14,581
General and administrative expense	4,759			3,824			13,147			11,085
Stock compensation expense before taxes	28,301			25,571			79,697			72,043
Income tax benefit	(8,086		)	(6,781		)	(22,769		)	(19,106		)
Stock compensation expense after taxes	$	20,215		$	18,790		$	56,928		$	52,937

Schedule of Intrinsic Value of Equity Awards Exercised

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

	Three Months Ended   July 31,				Nine Months Ended   July 31,
	2017		2016		2017		2016
	(in thousands)
Intrinsic value of awards exercised	$	20,688	$	19,530	$	49,344	$	28,028