Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Cumulative currency translation adjustments	$ (87,574)	$ (90,508)
Unrealized gain (loss) on derivative instruments, net of taxes	(15,520)	(14,839)
Unrealized gain (loss) on available-for-sale securities, net of taxes	31	(28)
Total accumulated other comprehensive income (loss)	$ (103,063)	$ (105,375)	[1]

[1] Derived from audited financial statements.