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Financial Instruments - Outstanding Currency, Forward Exchange Contracts (Detail) - USD ($) $ in Thousands | Oct. 31, 2017 | Oct. 31, 2016
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Derivative [Line Items] |  |
Fair Market Value of foreign currency derivative contracts | $ 290 | $ (39)
Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 221,167 | 181,372
Fair Market Value of foreign currency derivative contracts | 217,605 | 177,669
Foreign Currency Forward Contracts [Member] | Sell [Member] | Euro [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 144,611 | 107,860
Fair Market Value of foreign currency derivative contracts | 141,720 | 105,635
Foreign Currency Forward Contracts [Member] | Sell [Member] | Pound sterling [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 45,252 | 36,692
Fair Market Value of foreign currency derivative contracts | 45,242 | 36,125
Foreign Currency Forward Contracts [Member] | Sell [Member] | Japanese Yen [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 24,904 | 31,844
Fair Market Value of foreign currency derivative contracts | 24,349 | 31,000
Foreign Currency Forward Contracts [Member] | Sell [Member] | Australian Dollar [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 193 | 380
Fair Market Value of foreign currency derivative contracts | 191 | 380
Foreign Currency Forward Contracts [Member] | Sell [Member] | Hong Kong Dollar [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts |  | 1,702
Fair Market Value of foreign currency derivative contracts |  | 1,702
Foreign Currency Forward Contracts [Member] | Sell [Member] | Singapore Dollar [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 794 | 1,031
Fair Market Value of foreign currency derivative contracts | 791 | 995
Foreign Currency Forward Contracts [Member] | Sell [Member] | Others [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 5,413 | 1,863
Fair Market Value of foreign currency derivative contracts | 5,312 | 1,832
Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 333,742 | 245,033
Fair Market Value of foreign currency derivative contracts | 330,299 | 241,289
Foreign Currency Forward Contracts [Member] | Buy [Member] | Euro [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 78,253 | 51,377
Fair Market Value of foreign currency derivative contracts | 76,892 | 50,495
Foreign Currency Forward Contracts [Member] | Buy [Member] | Pound sterling [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 54,204 | 37,473
Fair Market Value of foreign currency derivative contracts | 54,658 | 36,302
Foreign Currency Forward Contracts [Member] | Buy [Member] | Japanese Yen [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 28,358 | 23,998
Fair Market Value of foreign currency derivative contracts | 27,401 | 23,185
Foreign Currency Forward Contracts [Member] | Buy [Member] | Australian Dollar [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 8,185 | 8,096
Fair Market Value of foreign currency derivative contracts | 7,904 | 8,095
Foreign Currency Forward Contracts [Member] | Buy [Member] | Hong Kong Dollar [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 100,131 | 79,516
Fair Market Value of foreign currency derivative contracts | 100,114 | 79,411
Foreign Currency Forward Contracts [Member] | Buy [Member] | Singapore Dollar [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 12,681 | 12,062
Fair Market Value of foreign currency derivative contracts | 12,642 | 11,735
Foreign Currency Forward Contracts [Member] | Buy [Member] | Others [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 51,930 | 32,511
Fair Market Value of foreign currency derivative contracts | $ 50,688 | $ 32,066

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