Financial Instruments - Outstanding Currency, Forward Exchange Contracts (Detail) - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
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