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v3.19.3.a.u2

Pension and Other Benefit Programs - Weighted Average Assumptions (Details) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items] |  |  |
Weighted-average discount rate for determining interest costs (pension/SERP plans) | 3.70% | 3.00% |
Pension Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected long-term rate of return on plan assets (pension/SERP plans) | 3.90% | 3.50% | 6.50%
Maximum | Pension Plans |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate (pension/SERP plans) | 3.00% | 4.00% | 3.40%
Weighted-average discount rate for determining interest costs (pension/SERP plans) | 3.70% | 3.00% | 3.20%
Minimum | Supplemental Employee Retirement Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Discount rate (pension/SERP plans) | 2.70% | 3.80% | 3.10%
Weighted-average discount rate for determining interest costs (pension/SERP plans) | 3.50% | 2.70% | 2.60%

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost 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=118255775&loc=d3e1928-114920 + Details
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- Definition 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 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)(3) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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