BALANCE SHEET DETAILS 2 (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Accrued and other liabilities
Accrued salaries and benefits and other employee related	$ 54,993,000		$ 63,360,000
Advance payments from customer	10,000,000		10,000,000
Income taxes payable	7,863,000		5,734,000
Deferred income tax liability, current portion	304,000	[1]	0	[1]
Grants to be repaid	5,054,000		14,931,000
Warranty accruals and accrued returns	10,411,000		13,855,000
Royalties and licenses	4,295,000		5,045,000
Accrued restructuring	16,222,000		2,147,000
Current portion of market price adjustment to supply agreement (See Note 15)	20,953,000		31,934,000
Other	73,415,000		60,112,000
Total accrued and other liabilities	203,510,000		207,118,000
Percentage of value of product shipped to the customer required to be paid annually as minimum repayment of customer advances	15.00%
Minimum repayment of customer advance required to be made annually, if minimum quantity of products is not supplied	10,000,000
Repayment of advances during the period under an agreement	10,000,000		10,000,000		10,000,000
Remaining customer advances received	14,700,000
Advance payments from customer included in other long-term liabilities	4,668,000		14,668,000
Outstanding note payable	7,500,000		7,400,000
Outstanding note payable included in other long-term liabilities	6,600,000		6,600,000
Outstanding note payable included in accounts payable	900,000		800,000
Payment to equity method investee relating to a cost sharing arrangement for facility services	6,600,000		3,700,000		5,000,000
Other long-term liabilities
Advance payments from customer	4,668,000		14,668,000
Income taxes payable	26,744,000		26,622,000
Accrued pension liability	40,087,000		29,268,000
Long-term technology license payable	0		3,831,000
Deferred income tax liability, non-current portion	58,000	[2]	57,000	[2]
Long-term portion of market price adjustment to supply agreement (See Note 15)	0		21,188,000
Long-term debt and capital lease obligations, less current portion	5,602,000		4,612,000
Other	23,020,000		12,725,000
Total other long-term liabilities	$ 100,179,000		$ 112,971,000

[1] Included within Accrued and other liabilities on the consolidated balance sheets.

[2] Included within Other long-term liabilities on the consolidated balance sheets.