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Employee Benefit Plans (Weighted-average Assumptions Used) (Details) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Pension Benefits [Member] |  |  |
Weighted-average assumptions used to determine benefit obligations as of December 31: |  |  |
Discount rate | 2.40% | 3.19% |
Rate of compensation increase | 4.13% | 4.23% |
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31: |  |  |
Discount rate - service cost | 2.89% | 3.96% | 3.48%
Discount rate - interest cost | 2.99% | 3.67% | 3.22%
Expected long-term return on plan assets | 6.50% | 6.50% | 6.50%
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 | 1.48% | 2.15% |
Rate of compensation increase | 3.17% | 3.20% |
Weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31: |  |  |
Discount rate - service cost | 0.73% | 1.60% | 1.32%
Discount rate - interest cost | 2.30% | 2.98% | 2.67%
Expected long-term return on plan assets | 3.31% | 3.92% | 4.19%
Rate of compensation increase | 3.20% | 3.77% | 3.62%

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=118255775&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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(2) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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