Taxes (Tables)

6 Months Ended

Apr. 30, 2015

Income Tax Disclosure [Abstract]

Provision for Income Taxes and Effective Tax Rates

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

	Three Months Ended   April 30,						Six Months Ended   April 30,
	2015			2014			2015			2014
	(in thousands)
Income before income taxes	$	83,884		$	68,059		$	160,499		$	139,243
Provision (benefit) for income tax	$	28,288		$	4,742		$	39,714		$	8,230
Effective tax rate	33.7		%	7.0		%	24.7		%	5.9		%