Financial Instruments - Outstanding Foreign Currency Forward Contracts (Detail) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	$ 232,609	$ 14,269
Fair Market Value of foreign currency derivative sale contracts	232,227	14,230
Notional Amounts of foreign currency derivative purchase contracts	254,160	177,227
Fair Market Value of foreign currency derivative purchase contracts	256,133	177,859
Euro [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	194,531	3,186
Fair Market Value of foreign currency derivative sale contracts	194,187	3,220
Notional Amounts of foreign currency derivative purchase contracts	131,198	95,370
Fair Market Value of foreign currency derivative purchase contracts	131,825	95,769
Pound Sterling [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	17,854
Fair Market Value of foreign currency derivative sale contracts	17,856
Notional Amounts of foreign currency derivative purchase contracts	29,441	28,771
Fair Market Value of foreign currency derivative purchase contracts	29,950	28,959
Japanese Yen [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	11,426	5,810
Fair Market Value of foreign currency derivative sale contracts	11,404	5,766
Notional Amounts of foreign currency derivative purchase contracts	8,686	15,643
Fair Market Value of foreign currency derivative purchase contracts	8,672	15,465
Australian Dollar [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	894	515
Fair Market Value of foreign currency derivative sale contracts	899	519
Notional Amounts of foreign currency derivative purchase contracts	8,653	9,131
Fair Market Value of foreign currency derivative purchase contracts	8,986	9,156
Hong Kong Dollar [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	1,935
Fair Market Value of foreign currency derivative sale contracts	1,935
Notional Amounts of foreign currency derivative purchase contracts	42,140
Fair Market Value of foreign currency derivative purchase contracts	42,132
Singapore Dollar [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	201
Fair Market Value of foreign currency derivative sale contracts	201
Notional Amounts of foreign currency derivative purchase contracts	9,815	8,626
Fair Market Value of foreign currency derivative purchase contracts	10,065	8,681
Others [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	5,768	4,758
Fair Market Value of foreign currency derivative sale contracts	5,745	4,725
Notional Amounts of foreign currency derivative purchase contracts	24,227	19,686
Fair Market Value of foreign currency derivative purchase contracts	$ 24,503	$ 19,829