Segment, Geographic and Product Information - Company's Revenues by Geography Based on Ordering Location of Customer and Long-Lived Assets by Geography (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,506,087		$ 2,043,958		$ 1,869,654
Long-lived assets	269,747		180,589
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	635,928	[1]	520,193	[1]	431,184	[1]
Long-lived assets	241,443	[1]	160,500	[1]
China (including Hong Kong) [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	788,077		569,710		402,834
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	305,974		256,781		283,494
Taiwan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	290,294		272,071		295,945
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	300,688		224,948		240,809
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,685,033		1,323,510		1,223,082
Long-lived assets	27,206	[2]	18,350	[2]
Europe and the Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	185,126		200,255		215,388
Long-lived assets	$ 1,098		$ 1,739

[1] Primarily the United States.

[2] Primarily China, Singapore and Taiwan.