Income Taxes (Details Textual) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes (Textual) [Abstract]
Undistributed earnings from international subsidiaries	$ 138.9	$ 113.6
Tax holidays resulted in reductions to Income tax expense	0.2	0.1	0.5
Diluted earnings per share (in dollars per share)	$ 0.01	$ 0.00	$ 0.01
Taxable percentage of initial manufacturing activities (in hundredths)	50.00%
Percentage of income generated from tax holiday (in hundredths)	100.00%
Granted period to generate income from corporate income tax	8 years
Additional taxable percentage of initial manufacturing activities (in hundredths)	50.00%
Additional granted period to generate income from corporate income tax	5 years
Income tax credits	0.9
Income tax carryforward period	10 years
Foreign and state net operating loss carryovers	$ 0.6

Additional granted period to generate income from corporate income tax.

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Additional taxable percentage of initial manufacturing activities.

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Granted period to generate income from corporate income tax.

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Percentage of income generated from tax holiday.

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Taxable percentage of initial manufacturing activities.

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Tax credit carryforward period.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

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Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to income that is exempt from income tax because of [foreign] tax holidays an entity has received in the period. A foreign tax "holiday" refers to a foreign jurisdiction that attempts to attract in-coming or foreign investment by offering an exemption from income taxes for some defined period of time.

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The cumulative amount of future tax effects arising from the unused tax credit carryforward that cannot be utilized on the tax return during a year that may be carried forward to reduce taxable income or taxes payable in a future year; a tax credit carryforward is the amount by which tax credits available for utilization exceed statutory limitations.

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