Stock-Based Benefit Plans (Tables)

6 Months Ended

Apr. 30, 2018

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

Stock-based compensation expense and income tax benefit recognized

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):

	Six months ended April 30,				Three months ended April 30,
	2018		2017		2018		2017
Total stock-based compensation expense recognized	$	15,347	$	15,585	$	6,458	$	6,256
Income tax benefit recognized	$	4,359	$	6,094	$	1,843	$	2,441