Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	Apr. 30, 2019	Oct. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Cumulative currency translation adjustments	$ (87,233)	$ (89,289)
Unrealized gain (loss) on derivative instruments, net of taxes	(9,487)	(23,888)
Total accumulated other comprehensive income (loss)	$ (96,720)	$ (113,177)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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