Taxes (Tables)

3 Months Ended

Jan. 31, 2018

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   January 31,
	2018			2017
	(in thousands)
Income before income taxes	$	120,103		$	108,361
Provision (benefit) for income taxes	$	123,794		$	21,773
Effective tax rate	103.1		%	20.1		%