Related Party Transactions (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Related Party Transaction [Line Items]
Lease Expiration Date	through December 2018
Related Party Transaction, Due from (to) Related Party, Current [Abstract]
Due from Related Parties, Current	$ 10,661,000	$ 11,370,000
Due to Related Parties, Current	10,403,000	11,108,000
Lite On Semiconductor [Member]
Related Party Transaction [Line Items]
Related Party Percentage Ownership Of Common Stock	18.00%
Related Party Transaction Revenues Percentage From Transactions With Related Party	1.00%	1.00%	1.00%
Related Party Transaction Percentage Of Subsequent Sales From Purchases From Related Party	3.00%	5.00%	7.00%
Lease Expiration Date	March 2011
Related Party Transaction, Revenues from Transactions with Related Party	1,054,000	1,980,000	6,918,000
Related Party Transaction, Expenses from Transactions with Related Party	33,928,000	37,879,000	42,867,000
Related Party Transaction, Due from (to) Related Party, Current [Abstract]
Due from Related Parties, Current	204,000	133,000
Due to Related Parties, Current	5,308,000	5,106,000
Keylink [Member]
Related Party Transaction [Line Items]
Related Party Percentage Ownership Of Common Stock	5.00%
Related Party Transaction Revenues Percentage From Transactions With Related Party	3.00%	2.00%	3.00%
Related Party Transaction Percentage Of Subsequent Sales From Purchases From Related Party	1.00%	1.00%	2.00%
Related Party Transaction, Revenues from Transactions with Related Party	19,336,000	11,965,000	15,209,000
Related Party Transaction, Expenses from Transactions with Related Party	7,826,000	11,168,000	10,824,000
Related Party Transaction Consulting Fees From Transactions With Related Party	16,000,000	17,000,000	14,000,000
Related Party Transaction, Due from (to) Related Party, Current [Abstract]
Due from Related Parties, Current	10,457,000	11,237,000
Due to Related Parties, Current	5,095,000	6,002,000
Eris [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 10,000,000	$ 16,000,000	$ 18,000,000

Related party ownership of common stock of the company

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- Definition

Consulting expense recognized during the period resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ References

No definition available.

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Related Party Transaction Percentage Of Subsequent Sales From Purchases From Related Party

+ References

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Related Party Transaction Revenues Percentage From Transactions With Related Party

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- Definition

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

+ References

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The date upon which a lease or a group of leases is set to expire.

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Expenses recognized during the period resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

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Revenues, net of returns and allowances, realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

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