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Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Thousands
Apr. 30, 2020
Oct. 31, 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]    
Cumulative currency translation adjustments $ (91,931) $ (87,929)
Unrealized gain (loss) on derivative instruments, net of taxes (12,099) (4,518)
Total accumulated other comprehensive income (loss) $ (104,030) $ (92,447) [1]
[1]
Derived from audited financial statements.