Income Taxes (Tables)

6 Months Ended

Apr. 30, 2020

Income Tax Disclosure [Abstract]

Provision for Income Taxes and Effective Tax Rates

The following table presents the provision (benefit) for income taxes and the effective tax rates:

	Three Months Ended   April 30,						Six Months Ended   April 30,
	2020			2019			2020			2019
	(in thousands)
Income before income taxes	$	110,166		$	133,917		$	209,739		$	280,972
Provision (benefit) for income taxes	$	246		$	15,707		$	(4,242	)	$	9,248
Effective tax rate	0.2		%	11.7		%	(2.0		)%	3.3		%