Fair Value of Financial Instruments - Financial Assets and Liabilities Carried at Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013		Oct. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial assets, Fair Value	$ 62,096		$ 47,456
Total financial liabilities, Fair Value	1,341		1,980
Other assets, net [Member] | Marketable securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value	52,201	[1]	42,399	[1]
Prepaid expenses and other current assets [Member] | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value			1,362	[2]
Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	952	[2]	783	[2]
Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Put option contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value			95	[2]
Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	8,590	[2]	2,762	[2]
Prepaid expenses and other current assets [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	353	[2]	55	[2]
Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	824	[3]	1,144	[3]
Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	490	[3]	12	[3]
Accounts payable and accrued liabilities [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	27	[3]	824	[3]
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial assets, Fair Value	62,096		47,456
Total financial liabilities, Fair Value	1,341		1,980
Carrying Value [Member] | Other assets, net [Member] | Marketable securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value	52,201	[1]	42,399	[1]
Carrying Value [Member] | Prepaid expenses and other current assets [Member] | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value			1,362	[2]
Carrying Value [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	952	[2]	783	[2]
Carrying Value [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Put option contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value			95	[2]
Carrying Value [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	8,590	[2]	2,762	[2]
Carrying Value [Member] | Prepaid expenses and other current assets [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	353	[2]	55	[2]
Carrying Value [Member] | Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	824	[3]	1,144	[3]
Carrying Value [Member] | Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	490	[3]	12	[3]
Carrying Value [Member] | Accounts payable and accrued liabilities [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	27	[3]	824	[3]
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial assets, Fair Value	52,201		43,761
Total financial liabilities, Fair Value	0		0
Level 1 [Member] | Other assets, net [Member] | Marketable securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value	52,201	[1]	42,399	[1]
Level 1 [Member] | Prepaid expenses and other current assets [Member] | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value			1,362	[2]
Level 1 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	0	[2]	0	[2]
Level 1 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Put option contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value			0	[2]
Level 1 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	0	[2]	0	[2]
Level 1 [Member] | Prepaid expenses and other current assets [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	0	[2]	0	[2]
Level 1 [Member] | Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	0	[3]	0	[3]
Level 1 [Member] | Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	0	[3]	0	[3]
Level 1 [Member] | Accounts payable and accrued liabilities [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	0	[3]	0	[3]
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial assets, Fair Value	9,895		3,695
Total financial liabilities, Fair Value	1,341		1,980
Level 2 [Member] | Other assets, net [Member] | Marketable securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value	0	[1]	0	[1]
Level 2 [Member] | Prepaid expenses and other current assets [Member] | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value			0	[2]
Level 2 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	952	[2]	783	[2]
Level 2 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Put option contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value			95	[2]
Level 2 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	8,590	[2]	2,762	[2]
Level 2 [Member] | Prepaid expenses and other current assets [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	353	[2]	55	[2]
Level 2 [Member] | Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	824	[3]	1,144	[3]
Level 2 [Member] | Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	490	[3]	12	[3]
Level 2 [Member] | Accounts payable and accrued liabilities [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	27	[3]	824	[3]
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total financial assets, Fair Value	0		0
Total financial liabilities, Fair Value	0		0
Level 3 [Member] | Other assets, net [Member] | Marketable securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value	0	[1]	0	[1]
Level 3 [Member] | Prepaid expenses and other current assets [Member] | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financial Assets, Fair Value			0	[2]
Level 3 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	0	[2]	0	[2]
Level 3 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Put option contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value			0	[2]
Level 3 [Member] | Prepaid expenses and other current assets [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	0	[2]	0	[2]
Level 3 [Member] | Prepaid expenses and other current assets [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets, Fair Value	0	[2]	0	[2]
Level 3 [Member] | Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Precious metal forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	0	[3]	0	[3]
Level 3 [Member] | Accounts payable and accrued liabilities [Member] | Cash flow hedging [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	0	[3]	0	[3]
Level 3 [Member] | Accounts payable and accrued liabilities [Member] | Derivatives not designated as hedging instruments [Member] | Foreign exchange forward contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liabilities, Fair Value	$ 0	[3]	$ 0	[3]

[1] Included within Other assets, net.

[2] Included within Prepaid expenses and other current assets.

[3] Included within Accounts payable and accrued liabilities.