Components of (Benefit) Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Schedule of Components of Income Before Income Tax Expense (Benefit) [Line Items]
Federal	$ (12,443)	$ (6,436)	$ (17,097)
State	(547)	(2,197)	8
Foreign	6,826	474	25,421
Current Income Tax Expense (Benefit), Total	(6,164)	(8,159)	8,332
Federal	22,506	(7,160)	(25,156)
State	14	(2,456)	(9,309)
Foreign	2,377	15,524	(12,272)
Deferred Income Tax Expense (Benefit), Total	24,897	5,908	(46,737)
Provision (Benefit) for income taxes	$ 18,733	$ (2,251)	$ (38,405)