Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Net loss	$ (40,637)us-gaap_NetIncomeLoss	$ (85,431)us-gaap_NetIncomeLoss	$ (144,021)us-gaap_NetIncomeLoss
Change in unrealized gain (loss) on available-for-sale securities, net of tax	41	(14)	(166)
Change in accumulated translation adjustments	(4,940)	(4,096)	(3,268)
Other comprehensive loss	(6,894)	(4,420)	(3,385)
Total comprehensive loss	(47,531)us-gaap_ComprehensiveIncomeNetOfTax	(89,851)us-gaap_ComprehensiveIncomeNetOfTax	(147,406)us-gaap_ComprehensiveIncomeNetOfTax
Cash Flow Hedging \| Foreign Exchange Forward
Change in unrealized gain (loss) on foreign currency forward contracts, net of tax	114	(310)	49
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest Rate Swap
Change in unrealized gain (loss) on foreign currency forward contracts, net of tax	$ (2,109)	$ 0	$ 0

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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