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Financial Instruments - Outstanding Currency, Forward Exchange Contracts (Detail) - USD ($) $ in Thousands | Oct. 31, 2016 | Oct. 31, 2015
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Derivative [Line Items] |  |
Fair Market Value of foreign currency derivative contracts | $ (39) | $ (2,356)
Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 181,372 | 258,659
Fair Market Value of foreign currency derivative contracts | 177,669 | 256,866
Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 245,033 | 347,498
Fair Market Value of foreign currency derivative contracts | 241,289 | 343,348
Euro [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 107,860 | 182,503
Fair Market Value of foreign currency derivative contracts | 105,635 | 180,406
Euro [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 51,377 | 188,021
Fair Market Value of foreign currency derivative contracts | 50,495 | 184,174
Pound sterling [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 36,692 | 55,234
Fair Market Value of foreign currency derivative contracts | 36,125 | 55,543
Pound sterling [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 37,473 | 37,714
Fair Market Value of foreign currency derivative contracts | 36,302 | 37,513
Japanese Yen [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 31,844 | 17,046
Fair Market Value of foreign currency derivative contracts | 31,000 | 17,067
Japanese Yen [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 23,998 | 13,646
Fair Market Value of foreign currency derivative contracts | 23,185 | 13,706
Australian Dollar [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 380 |
Fair Market Value of foreign currency derivative contracts | 380 |
Australian Dollar [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 8,096 | 7,120
Fair Market Value of foreign currency derivative contracts | 8,095 | 6,981
Hong Kong Dollar [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 1,702 |
Fair Market Value of foreign currency derivative contracts | 1,702 |
Hong Kong Dollar [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 79,516 | 59,734
Fair Market Value of foreign currency derivative contracts | 79,411 | 59,739
Singapore Dollar [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 1,031 | 858
Fair Market Value of foreign currency derivative contracts | 995 | 857
Singapore Dollar [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 12,062 | 11,519
Fair Market Value of foreign currency derivative contracts | 11,735 | 11,561
Others [Member] | Foreign Currency Forward Contracts [Member] | Sell [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 1,863 | 3,018
Fair Market Value of foreign currency derivative contracts | 1,832 | 2,993
Others [Member] | Foreign Currency Forward Contracts [Member] | Buy [Member] |  |
Derivative [Line Items] |  |
Notional Amounts of foreign currency derivative contracts | 32,511 | 29,744
Fair Market Value of foreign currency derivative contracts | $ 32,066 | $ 29,674

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