Business Enterprise Segments, Significant Customer and Geographical Information (Details 2)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Percentage of net revenue from sales to significant customers including their manufacturing subcontractors
Five largest customers as a group	44.00%	39.20%	41.60%	36.70%
Percentage of product revenue from shipments to international destinations
Percentage of product revenue from shipments to international destinations	98.50%	97.70%	98.50%	97.00%
China (exclusive of Hong Kong) [Member]
Percentage of product revenue from shipments to international destinations
Percentage of product revenue from shipments to international destinations	34.60%	30.90%	33.60%	29.50%
HONG KONG [Member]
Percentage of product revenue from shipments to international destinations
Percentage of product revenue from shipments to international destinations	26.50%	26.40%	26.30%	26.20%
Singapore, Taiwan and Japan [Member]
Percentage of product revenue from shipments to international destinations
Percentage of product revenue from shipments to international destinations	21.90%	25.80%	22.40%	25.20%
Europe [Member]
Percentage of product revenue from shipments to international destinations
Percentage of product revenue from shipments to international destinations	1.80%	2.40%	2.00%	2.40%
Other [Member]
Percentage of product revenue from shipments to international destinations
Percentage of product revenue from shipments to international destinations	13.70%	12.20%	14.20%	13.70%