Summary of Property, Plant and Equipment Attributed to Significant Countries (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Property, plant and equipment	$ 186,440	$ 157,021	$ 130,554
UNITED STATES
Segment Reporting Information [Line Items]
Property, plant and equipment	123,846	86,476	59,444
JAPAN
Segment Reporting Information [Line Items]
Property, plant and equipment	24,007	27,024	29,295
Malaysia
Segment Reporting Information [Line Items]
Property, plant and equipment	23,801	28,398	30,328
All Other Segments
Segment Reporting Information [Line Items]
Property, plant and equipment	$ 14,786	$ 15,123	$ 11,487