Taxes (Tables)

3 Months Ended

Jan. 31, 2017

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,
	2017			2016
	(in thousands)
Income before income taxes	$	108,361		$	64,342
Provision (benefit) for income taxes	$	21,773		$	4,307
Effective tax rate	20.1		%	6.7		%