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Derivative Financial Instruments (Tables)
 12 Months Ended
Oct. 31, 2021
Investments, All Other Investments [Abstract]  
Outstanding Currency, Forward Exchange Contracts
The following table summarizes, by currency, the contracts outstanding at October 31, 2021 and 2020:
Notional Amounts
SellBuy
October 31, 2021 contract amounts:
Euro$100,922 $325,581 
Pound sterling50,333 79,934 
Japanese yen14,338 45,436 
Australian dollar709 10,088 
Hong Kong dollar6,948 44,831 
Singapore dollar200 18,029 
Others16,367 86,492 
Total$189,817 $610,391 
October 31, 2020 contract amounts:
Euro$127,849 $259,510 
Pound sterling36,943 71,380 
Japanese yen23,262 41,133 
Australian dollar179 9,084 
Hong Kong dollar59,459 81,199 
Singapore dollar1,102 17,350 
Others6,985 73,310 
Total$255,779 $552,966