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Derivative Financial Instruments - Outstanding Currency, Forward Exchange Contracts (Detail) - Foreign Currency Forward Contracts - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Sell
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	$ 255,779	$ 332,608
Buy
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	552,966	433,344
Euro | Sell
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	127,849	264,661
Euro | Buy
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	259,510	107,598
Pound sterling | Sell
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	36,943	32,600
Pound sterling | Buy
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	71,380	48,867
Japanese yen | Sell
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	23,262	29,397
Japanese yen | Buy
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	41,133	51,217
Australian dollar | Sell
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	179	168
Australian dollar | Buy
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	9,084	7,767
Hong Kong dollar | Sell
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	59,459	189
Hong Kong dollar | Buy
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	81,199	135,862
Singapore dollar | Sell
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	1,102	1,108
Singapore dollar | Buy
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	17,350	15,684
Others | Sell
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	6,985	4,485
Others | Buy
Derivative [Line Items]
Notional Amounts of foreign currency derivative contracts	$ 73,310	$ 66,349

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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