Segment Information and Enterprise-Wide Disclosure - Schedule of Revenue by Countries (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	$ 223,217		$ 214,379		$ 433,203		$ 391,343
Percentage of net sales	100.00%		100.00%		100.00%		100.00%
China
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	139,703		139,113		267,160		246,757
Percentage of net sales	63.00%		65.00%		62.00%		63.00%
United States
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	21,765		16,604		41,406		34,021
Percentage of net sales	10.00%		8.00%		10.00%		9.00%
Germany
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	16,372		12,263		31,199		23,291
Percentage of net sales	7.00%		6.00%		7.00%		6.00%
Korea
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	14,110		16,119		34,235		31,566
Percentage of net sales	6.00%		8.00%		8.00%		8.00%
Singapore
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	12,498		12,784		22,116		21,719
Percentage of net sales	6.00%		6.00%		5.00%		6.00%
Taiwan
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	6,698		6,763		13,581		11,916
Percentage of net sales	3.00%		3.00%		3.00%		3.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	$ 12,071	[1]	$ 10,733	[1]	$ 23,506	[1]	$ 22,073	[1]
Percentage of net sales	5.00%	[1]	5.00%	[1]	5.00%	[1]	6.00%	[1]

[1] Represents countries with less than 3% of the total revenues each.