Pension And Other Postretirement Benefits (Schedule Of Expected Payments To Participants In Pension Plan) (Details) $ in Millions |
Dec. 31, 2015
USD ($)
|
|---|---|
| Pension Plan | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2016 | $ 27.2 |
| 2017 | 27.1 |
| 2018 | 27.9 |
| 2019 | 28.0 |
| 2020 | 30.0 |
| 2021-2025 | 145.8 |
| Other Postretirement Benefits | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2016 | 6.2 |
| 2017 | 6.2 |
| 2018 | 6.3 |
| 2019 | 6.4 |
| 2020 | 6.4 |
| 2021-2025 | 31.4 |
| Postretirement Health Coverage | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2016 | 0.3 |
| 2017 | 0.3 |
| 2018 | 0.3 |
| 2019 | 0.3 |
| 2020 | 0.3 |
| 2021-2025 | $ 1.2 |