Stock Compensation (Tables)

9 Months Ended

Jul. 31, 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   July 31,						Nine Months Ended   July 31,
	2018			2017			2018			2017
	(in thousands)
Cost of products	$	3,820		$	3,358		$	10,663		$	9,170
Cost of maintenance and service	1,442			1,073			3,979			2,881
Research and development expense	18,412			13,617			48,958			39,069
Sales and marketing expense	7,317			5,494			20,813			15,430
General and administrative expense	6,261			4,759			18,127			13,147
Stock compensation expense before taxes	37,252			28,301			102,540			79,697
Income tax benefit	(7,111		)	(8,086		)	(19,574		)	(22,769		)
Stock compensation expense after taxes	$	30,141		$	20,215		$	82,966		$	56,928

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,
	2018		2017		2018		2017
	(in thousands)
Intrinsic value of awards exercised	$	19,283	$	20,688	$	50,075	$	49,344