Geographic and Segment Information - Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Total segment net sales	$ 221,872	$ 200,405	$ 601,508	$ 592,005
Display Solutions [Member]
Segment Reporting Information [Line Items]
Total segment net sales	69,415	91,767	229,424	248,950
Semiconductor Manufacturing Services [Member]
Segment Reporting Information [Line Items]
Total segment net sales	117,978	81,571	277,158	270,295
Power Solutions [Member]
Segment Reporting Information [Line Items]
Total segment net sales	33,849	26,358	92,801	70,509
All other [Member]
Segment Reporting Information [Line Items]
Total segment net sales	$ 630	$ 709	$ 2,125	$ 2,251