Accumulated Other Comprehensive Income/(Loss) - Components of Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			$ 57,288	$ 73,918
Changes in fair value, net of tax, total			(16,310)	(10,175)
Ending balance	$ 24,381	$ 63,376	24,381	63,376
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Net gains reclassified to COGS			(16,597)	(367)
Derivative Instruments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			4,093	(4,591)
Changes in fair value, derivative instruments, net of tax	7,354	(1,753)	28,057	1,136
Ending balance	15,553	(3,822)	15,553	(3,822)
Derivative Instruments | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Net gains reclassified to COGS	(6,031)	690	(16,597)	(367)
Foreign Currency Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Beginning balance			53,195	78,509
Changes in fair value, foreign currency adjustments, net of tax	(11,459)	(738)	(44,367)	(11,311)
Ending balance	$ 8,828	$ 67,198	8,828	67,198
Foreign Currency Adjustments | Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Net gains reclassified to COGS			$ 0	$ 0