Income Taxes (Tables)

9 Months Ended

Jul. 31, 2021

Income Tax Disclosure [Abstract]

Provision (Benefit) for Incomes Taxes and Effective Tax Rates

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

	Three Months Ended   July 31,						Nine Months Ended   July 31,
	2021			2020			2021			2020
	(in thousands)
Income before income taxes	$	213,337		$	236,854		$	606,436		$	446,593
Provision (benefit) for income taxes	$	14,945		$	(16,057)		$	51,214		$	(20,299)
Effective tax rate	7.0		%	(6.8)		%	8.4		%	(4.5)		%