Income Taxes (Tax Rate Reconciliation) (Details)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Abstract]
U.S. Federal income tax statutory rate	34.00%	34.00%
Foreign income taxes	(10.00%)	(26.40%)
Equity in Polish investment	0.20%	(0.60%)
State income tax (net of federal benefit)	0.80%	(0.40%)
Effect of stock option exercises	0.00%	1.80%
Valuation allowance	(2.60%)	1.70%
Permanent and other items	(2.30%)	8.00%
Total provision for income taxes	20.10%	18.10%

Effective Income Tax Rate Reconciliation Effect Of Stock Option Exercises

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- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References

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- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to changes in the valuation allowance for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to the equity in earnings (losses) of unconsolidated subsidiaries that is exempt from income taxes under enacted tax laws.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the difference between statutory income tax rates in foreign jurisdictions and the domestic federal statutory income tax rate recorded during the period.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to all other items not otherwise listed in the existing taxonomy.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period.

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