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Tax Years Subject To Examination (Details) | 12 Months Ended
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Dec. 31, 2015
Internal Revenue Service IRS [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2014
Alabama Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2012
Illinois Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2012
North Carolina Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2010
Oregon Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2012
Pennsylvania Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2012
China Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2011
Germany Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2014
Poland Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2011
United Kingdom Tax [Member] |
Income Tax Examination [Line Items] |
Earliest Tax Year Open To Examination | 2012

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