Business Segment, Geographic Area, Product and Significant Customer Information - Company's Operations in Different Geographic Regions (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 141,645	$ 190,868
Long-lived assets	81,609		82,711
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	74,567	95,104
Long-lived assets	62,536		62,203
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	13,829	33,433
Long-lived assets	2,237		2,562
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	18,803	21,985
Long-lived assets	5,215		5,844
Asia (excluding Japan) [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	34,446	40,346
Long-lived assets	$ 11,621		$ 12,102