Segment and Geographic Information (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Company's revenues and long-lived assets by geography based on the ordering location of the customer
Revenues	$ 2,043,958	$ 1,869,654	$ 1,576,381
Long-lived assets	180,589	223,181
North America [Member]
Company's revenues and long-lived assets by geography based on the ordering location of the customer
Revenues	520,193	431,184	305,547
Long-lived assets	160,500	204,862
Asia [Member]
Company's revenues and long-lived assets by geography based on the ordering location of the customer
Revenues	1,323,510	1,223,082	1,125,840
Long-lived assets	18,350	15,872
Europe and the Middle East [Member]
Company's revenues and long-lived assets by geography based on the ordering location of the customer
Revenues	200,255	215,388	144,994
Long-lived assets	$ 1,739	$ 2,447