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Employee Benefit Plans (Weighted-average Assumptions Used) (Details) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Pension Benefits [Member] |  |  |
Weighted-average assumptions used to determine benefit obligations as of December 31: |  |  |
Discount rate | 4.32% | 3.66% |
Rate of compensation increase | 4.23% | 4.23% |
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31: |  |  |
Discount rate - service cost | 3.48% | 3.96% | 4.30%
Discount rate - interest cost | 3.22% | 3.51% | 3.76%
Expected long-term return on plan assets | 6.50% | 7.50% | 7.50%
Rate of compensation increase | 4.23% | 4.23% | 4.23%
Foreign Plan [Member] |  |  |
Weighted-average assumptions used to determine benefit obligations as of December 31: |  |  |
Discount rate | 2.93% | 2.58% |
Rate of compensation increase | 3.77% | 3.63% |
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31: |  |  |
Discount rate - service cost | 1.32% | 1.34% | 2.04%
Discount rate - interest cost | 2.67% | 2.75% | 3.45%
Expected long-term return on plan assets | 4.19% | 4.40% | 4.87%
Rate of compensation increase | 3.62% | 3.78% | 3.70%

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- Definition Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Interest Cost + References No definition available. + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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