Stock-Based Benefit Plans (Tables)

6 Months Ended

Apr. 30, 2017

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,
	2017		2016		2017		2016
Total stock-based compensation expense recognized	$	15,585	$	15,081	$	6,256	$	5,858
Income tax benefit recognized	$	6,094	$	5,809	$	2,441	$	2,254