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Employee Benefit Plans - Actuarial Assumptions (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Document Fiscal Year Focus	2016
Foreign Pension Plan
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.60%	3.75%
Average wage increase	4.55%	4.22%
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	3.72%	3.66%	4.40%
Average wage increase	4.16%	4.23%	4.38%
Expected return on plan assets	6.42%	6.38%	6.35%
Taiwan | Foreign Pension Plan
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	1.50%	1.10%
Average wage increase	4.00%	4.00%
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	1.10%	2.00%	2.00%
Average wage increase	4.00%	4.00%	4.00%
Expected return on plan assets	1.50%	1.50%	2.00%
United Kingdom | Foreign Pension Plan
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.65%	3.90%
Average wage increase	4.60%	4.25%
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	3.90%	3.75%	4.50%
Average wage increase	4.25%	4.25%	4.40%
Expected return on plan assets	6.50%	6.53%	6.51%

X

- Definition

This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.

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The interest rate used to adjust for the time value of money for the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Expected Long-Term Rate of Return on Plan Assets
-URI http://asc.fasb.org/extlink&oid=6512046

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-Name Accounting Standards Codification
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-Section 50
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