Stock Compensation (Tables)

6 Months Ended

Apr. 30, 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   April 30,						Six Months Ended   April 30,
	2017			2016			2017			2016
	(in thousands)
Cost of products	$	2,813		$	2,608		$	5,812		$	5,204
Cost of maintenance and service	947			563			1,808			1,142
Research and development expense	12,568			11,838			25,452			23,423
Sales and marketing expense	4,807			4,741			9,936			9,442
General and administrative expense	4,427			3,709			8,388			7,261
Stock compensation expense before taxes	25,562			23,459			51,396			46,472
Income tax benefit	(7,065		)	(6,135		)	(14,206		)	(12,152		)
Stock compensation expense after taxes	$	18,497		$	17,324		$	37,190		$	34,320

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,
	2017		2016		2017		2016
	(in thousands)
Intrinsic value of awards exercised	$	22,369	$	7,224	$	28,656	$	8,498