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Tax Years Subject To Examination (Details)	12 Months Ended
	Dec. 31, 2016
Internal Revenue Service IRS [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2015
California Tax [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2012
Ohio 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	2013
Pennsylvania Tax [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2013
China Tax [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2013
Poland Tax [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2010
United Kingdom Tax [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2014

X

- Definition

The earliest tax year still open to audit by the income tax examination authorities

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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