Geographic and Segment Information (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Net Sales by Business Line

The following is a summary of net sales by business line:

	Three Months Ended
	June 30,2014		June 30,2013 (As Restated)
Net Sales
Display Solutions	$	45,327	$	52,441
Semiconductor Manufacturing Services		90,339		110,024
Power Solutions		36,275		30,912
All other		129		156
Total net sales	$	172,070	$	193,533

	Six Months Ended
	June 30,2014		June 30,2013 (As Restated)
Net Sales
Display Solutions	$	85,706	$	115,996
Semiconductor Manufacturing Services		182,267		214,415
Power Solutions		68,050		57,195
All other		211		249
Total net sales	$	336,234	$	387,855

Net Sales by Region, Based on Location of Customer

The following is a summary of net sales by region, based on the location of the customer:

	Three Months Ended
	June 30, 2014		June 30, 2013 (As Restated)
Korea	$	67,320	$	80,575
Asia Pacific (other than Korea)		74,337		72,212
U.S.A.		24,596		27,060
Europe		5,601		12,867
Others		216		819
Total	$	172,070	$	193,533

	Six Months Ended
	June 30, 2014		June 30, 2013 (As Restated)
Korea	$	134,333	$	165,021
Asia Pacific (other than Korea)		144,558		140,723
U.S.A.		44,349		55,750
Europe		12,494		24,596
Others		500		1,765
Total	$	336,234	$	387,855