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Tax Years Subject To Examination (Details)	12 Months Ended
	Dec. 31, 2018
Internal Revenue Service IRS [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2017
Pennsylvania Tax [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2015
China Tax [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2015
Poland [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2012
United Kingdom Tax [Member]
Income Tax Examination [Line Items]
Earliest Tax Year Open To Examination	2016

X

- Definition

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

+ References

No definition available.

+ Details

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X

- 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.

+ Details

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- Details

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X

- Details

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X

- Details

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- Details

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