Financial Assets and Liabilities - Income Statement Location and Amount of Gains and Losses on Derivative Instrument Fair Values for Designated Hedge Instruments, Net of Tax (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Financial Assets And Liabilities [Line Items]
Amount of gain (loss) recognized in OCI on derivatives (effective portion)	$ (5,501)	$ 6,107	$ (2,428)
Amount of gain (loss) reclassified from OCI (effective portion)	3,882	6,565	(14,235)
Revenue | Foreign Exchange Contracts
Financial Assets And Liabilities [Line Items]
Amount of gain (loss) recognized in OCI on derivatives (effective portion)	5,395	2,427	5,212
Amount of gain (loss) reclassified from OCI (effective portion)	2,339	7,457	(1,868)
Operating Expenses | Foreign Exchange Contracts
Financial Assets And Liabilities [Line Items]
Amount of gain (loss) recognized in OCI on derivatives (effective portion)	(10,896)	3,680	(7,640)
Amount of gain (loss) reclassified from OCI (effective portion)	$ 1,543	$ (892)	$ (12,367)