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Employee Benefit Plans - Actuarial Assumptions (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Document Fiscal Year Focus	2018
Foreign Plan [Member]
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.78%	2.40%
Average wage increase	4.41%	4.46%
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	2.40%	2.60%	3.72%
Average wage increase	4.46%	4.55%	4.16%
Expected return on plan assets	5.64%	5.80%	6.42%
Foreign Plan [Member] | PHILIPPINES
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	8.25%	0.00%
Average wage increase	6.00%	0.00%
Foreign Plan [Member] | Taiwan
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	1.25%	1.25%
Average wage increase	4.25%	4.00%
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	1.25%	1.50%	1.10%
Average wage increase	4.00%	4.00%	4.00%
Expected return on plan assets	1.50%	1.75%	1.50%
Foreign Plan [Member] | United Kingdom
Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.80%	2.44%
Average wage increase	4.40%	4.50%
Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate	2.44%	2.64%	3.90%
Average wage increase	4.50%	4.60%	4.25%
Expected return on plan assets	5.75%	5.90%	6.50%

X

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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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Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
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Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

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