BENEFIT PLANS - Weighted Average Assumptions (Details) |
12 Months Ended | |
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Dec. 31, 2017 |
Dec. 31, 2016 |
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| Pension Benefits | ||
| Weighted-average assumptions used to determine benefit obligations | ||
| Discount rate | 3.73% | 4.38% |
| Weighted-average assumptions used to determine net periodic benefit cost | ||
| Discount Rate | 4.38% | 4.54% |
| Long-term Return on Assets | 6.50% | 6.75% |
| Post-Retirement Benefits | ||
| Weighted-average assumptions used to determine benefit obligations | ||
| Discount rate | 3.34% | 3.64% |
| Weighted-average assumptions used to determine net periodic benefit cost | ||
| Discount Rate | 3.64% | 3.81% |
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- References No definition available.
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