Stock-Based Benefit Plans

9 Months Ended

Jul. 31, 2018

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

Stock-Based Benefit Plans

Stock-Based Benefit Plans

We grant stock options and various types of restricted stock units to our employees and our nonemployee directors. Additionally, we have an employee stock purchase plan that allows employees to purchase our stock at a discount. Information regarding the amount of total stock-based compensation expense and tax benefit recognized by us, for the periods indicated, is as follows (amounts in thousands):

	Nine months ended July 31,				Three months ended July 31,
	2018		2017		2018		2017
Total stock-based compensation expense recognized	$	21,879	$	22,088	$	6,532	$	6,503
Income tax benefit recognized	$	6,236	$	8,718	$	1,877	$	2,624

At July 31, 2018 and October 31, 2017, the aggregate unamortized value of outstanding stock-based compensation awards was approximately $27.6 million and $24.2 million, respectively.