Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Line Items]
Net changes in the total valuation allowance	$ 11,500,000	$ 700,000	$ 19,300,000
Established valuation allowance for acquired deferred tax assets	4,600,000
Income tax incentives	8,842,000	8,035,000	10,510,000
Net impact of holiday tax incentives, per diluted share	$ 0.16	$ 0.14	$ 0.18
Interest on unrecognized tax	1,600,000
Penalty on unrecognized tax	1,600,000
Tax refund	8,400,000
Additional reserve for uncertain tax benefits	104,000	141,000	7,056,000
Interest and penalties included in income tax expense			(200,000)
U.S. [Member]
Income Taxes [Line Items]
Net changes in the total valuation allowance	17,500,000		19,100,000
Operating loss carryforwards	79,300,000
Tax credit carryforwards	4,300,000
Tax credit carryforwards expiration dates	2031
Foreign Jurisdictions [Member]
Income Taxes [Line Items]
Operating loss carryforwards	7,200,000
Indefinite carryforward	34,800,000
Operating loss carryforwards expiration dates	2022
Cumulative undistributed earnings	631,000,000
State And Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating loss carryforwards	93,000,000
Tax credit carryforwards	1,600,000
Tax credit carryforwards expiration dates	2027
Minimum [Member] | U.S. [Member]
Income Taxes [Line Items]
Operating loss carryforwards expiration dates	2022
Minimum [Member] | State And Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating loss carryforwards expiration dates	2017
Minimum [Member] | Thailand Tax Authorities [Member]
Income Taxes [Line Items]
Income tax reconciliation tax holidays expiration date	2015
Maximum [Member] | U.S. [Member]
Income Taxes [Line Items]
Operating loss carryforwards expiration dates	2031
Maximum [Member] | State And Local Jurisdiction [Member]
Income Taxes [Line Items]
Operating loss carryforwards expiration dates	2031
Maximum [Member] | Thailand Tax Authorities [Member]
Income Taxes [Line Items]
Income tax reconciliation tax holidays expiration date	2026
CHINA
Income Taxes [Line Items]
Income tax incentives		2,449,000	1,474,000
MALAYSIA
Income Taxes [Line Items]
Income tax incentives	1,559,000	992,000
THAILAND
Income Taxes [Line Items]
Income tax incentives	$ 7,283,000	$ 4,594,000	$ 9,036,000