Financial Instruments - Outstanding Currency, Forward Exchange Contracts (Detail) (Foreign Currency Forward Contracts [Member], USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Oct. 31, 2013
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	$ 587,456	$ 232,609
Fair Market Value of foreign currency derivative sale contracts	567,874	232,227
Notional Amounts of foreign currency derivative purchase contracts	669,021	254,160
Fair Market Value of foreign currency derivative purchase contracts	651,045	256,133
Euro [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	424,624	194,531
Fair Market Value of foreign currency derivative sale contracts	407,422	194,187
Notional Amounts of foreign currency derivative purchase contracts	344,461	131,198
Fair Market Value of foreign currency derivative purchase contracts	330,957	131,825
Pound Sterling [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	86,654	17,854
Fair Market Value of foreign currency derivative sale contracts	85,632	17,856
Notional Amounts of foreign currency derivative purchase contracts	141,638	29,441
Fair Market Value of foreign currency derivative purchase contracts	140,065	29,950
Japanese Yen [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	21,057	11,426
Fair Market Value of foreign currency derivative sale contracts	19,780	11,404
Notional Amounts of foreign currency derivative purchase contracts	17,477	8,686
Fair Market Value of foreign currency derivative purchase contracts	16,498	8,672
Australian Dollar [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	216	894
Fair Market Value of foreign currency derivative sale contracts	220	899
Notional Amounts of foreign currency derivative purchase contracts	9,012	8,653
Fair Market Value of foreign currency derivative purchase contracts	8,618	8,986
Hong Kong Dollar [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	52,278	1,935
Fair Market Value of foreign currency derivative sale contracts	52,247	1,935
Notional Amounts of foreign currency derivative purchase contracts	117,040	42,140
Fair Market Value of foreign currency derivative purchase contracts	116,978	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	10,984	9,815
Fair Market Value of foreign currency derivative purchase contracts	10,693	10,065
Others [Member]
Derivative [Line Items]
Notional Amounts of foreign currency derivative sale contracts	2,627	5,768
Fair Market Value of foreign currency derivative sale contracts	2,573	5,745
Notional Amounts of foreign currency derivative purchase contracts	28,409	24,227
Fair Market Value of foreign currency derivative purchase contracts	$ 27,236	$ 24,503