Fair Value of Financial Instruments (Details) (USD $)	Oct. 31, 2011	Oct. 31, 2010
Financial assets at fair value
Total financial assets, Fair Value	$ 59,939,000	$ 101,374,000
Financial liabilities at fair value
Total financial liabilities, Fair Value	14,334,000	6,161,000
Fair Value of Financial Instruments (Textual)
Carrying Value of Short Term Borrowings and Long Term Debt	708,780,000	754,989,000
The total fair value of short-term borrowings and long-term debt	850,000,000	850,000,000
Fair Value, Inputs, Level 1 [Member]
Financial assets at fair value
Total financial assets, Fair Value	56,814,000	90,193,000
Financial liabilities at fair value
Total financial liabilities, Fair Value	0	0
Fair Value, Inputs, Level 2 [Member]
Financial assets at fair value
Total financial assets, Fair Value	3,125,000	11,181,000
Financial liabilities at fair value
Total financial liabilities, Fair Value	14,334,000	6,161,000
Fair Value, Inputs, Level 3 [Member]
Financial assets at fair value
Total financial assets, Fair Value	0	0
Financial liabilities at fair value
Total financial liabilities, Fair Value	0	0
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Financial assets at fair value
Total financial assets, Fair Value	59,939,000	101,374,000
Financial liabilities at fair value
Total financial liabilities, Fair Value	14,334,000	6,161,000
Mutual Funds [Member] | Other assets, net [Member]
Financial assets at fair value
Financial Assets, Fair Value related to mutual fund	38,561,000	42,939,000
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member] | Other assets, net [Member]
Financial assets at fair value
Financial Assets, Fair Value related to mutual fund	38,561,000	42,939,000
Mutual Funds [Member] | Fair Value, Inputs, Level 2 [Member] | Other assets, net [Member]
Financial assets at fair value
Financial Assets, Fair Value related to mutual fund	0	0
Mutual Funds [Member] | Fair Value, Inputs, Level 3 [Member] | Other assets, net [Member]
Financial assets at fair value
Financial Assets, Fair Value related to mutual fund	0	0
Mutual Funds [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Other assets, net [Member]
Financial assets at fair value
Financial Assets, Fair Value related to mutual fund	38,561,000	42,939,000
Bank Time Deposits [Member] | Short-term Investments [Member]
Financial assets at fair value
Financial Assets, Fair Value	18,253,000	47,254,000
Bank Time Deposits [Member] | Fair Value, Inputs, Level 1 [Member] | Short-term Investments [Member]
Financial assets at fair value
Financial Assets, Fair Value	18,253,000	47,254,000
Bank Time Deposits [Member] | Fair Value, Inputs, Level 2 [Member] | Short-term Investments [Member]
Financial assets at fair value
Financial Assets, Fair Value	0	0
Bank Time Deposits [Member] | Fair Value, Inputs, Level 3 [Member] | Short-term Investments [Member]
Financial assets at fair value
Financial Assets, Fair Value	0	0
Bank Time Deposits [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Short-term Investments [Member]
Financial assets at fair value
Financial Assets, Fair Value	18,253,000	47,254,000
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Other assets, net [Member]
Financial assets at fair value
Derivative Assets, Fair Value	660,000	9,253,000
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 1 [Member] | Other assets, net [Member]
Financial assets at fair value
Derivative Assets, Fair Value	0	0
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 2 [Member] | Other assets, net [Member]
Financial assets at fair value
Derivative Assets, Fair Value	660,000	9,253,000
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 3 [Member] | Other assets, net [Member]
Financial assets at fair value
Derivative Assets, Fair Value	0	0
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Other assets, net [Member]
Financial assets at fair value
Derivative Assets, Fair Value	660,000	9,253,000
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	2,110,000	1,371,000
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	5,580,000
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 1 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	0	0
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 1 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	0
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 2 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	2,110,000	1,371,000
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 2 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	5,580,000
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 3 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	0	0
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 3 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	0
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	2,110,000	1,371,000
Precious Metal Forward Contracts [Member] | Cash Flow Hedging [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	5,580,000
Precious Metal Collars [Member] | Cash Flow Hedging [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		242,000
Precious Metal Collars [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 1 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		0
Precious Metal Collars [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 2 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		242,000
Precious Metal Collars [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 3 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		0
Precious Metal Collars [Member] | Cash Flow Hedging [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		242,000
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	8,691,000	5,825,000
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 1 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	0	0
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 2 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	8,691,000	5,825,000
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Fair Value, Inputs, Level 3 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	0	0
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	8,691,000	5,825,000
Foreign Exchange Forward [Member] | Nondesignated [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	355,000	107,000
Foreign Exchange Forward [Member] | Nondesignated [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	63,000	128,000
Foreign Exchange Forward [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 1 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	0	0
Foreign Exchange Forward [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 1 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	0	0
Foreign Exchange Forward [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 2 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	355,000	107,000
Foreign Exchange Forward [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 2 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	63,000	128,000
Foreign Exchange Forward [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 3 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	0	0
Foreign Exchange Forward [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 3 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	0	0
Foreign Exchange Forward [Member] | Nondesignated [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value	355,000	107,000
Foreign Exchange Forward [Member] | Nondesignated [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value	63,000	128,000
Put Option [Member] | Nondesignated [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		208,000
Put Option [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 1 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		0
Put Option [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 2 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		208,000
Put Option [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 3 [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		0
Put Option [Member] | Nondesignated [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Prepaid expenses and other current assets [Member]
Financial assets at fair value
Derivative Assets, Fair Value		208,000
Call Option [Member] | Nondesignated [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value		208,000
Call Option [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 1 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value		0
Call Option [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 2 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value		208,000
Call Option [Member] | Nondesignated [Member] | Fair Value, Inputs, Level 3 [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value		0
Call Option [Member] | Nondesignated [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member] | Accounts payable and accrued liabilities [Member]
Financial liabilities at fair value
Derivative liabilities, Fair Value		$ 208,000