Pension And Other Postretirement Benefits (Schedule Of Changes In The Fair Value Of The Plan Level Three Assets) (Details) - USD ($)
$ in Millions |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Fair value of plan assets at beginning of year |
|
$ 516.4
|
|
| Fair value of plan assets at end of year |
|
508.4
|
$ 516.4
|
| Significant Unobservable Inputs (Level 3) [Member] |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Fair value of plan assets at beginning of year |
|
15.3
|
16.4
|
| Total gains or losses (unrealized / realized) |
|
0.0
|
0.5
|
| Purchases |
|
0.0
|
0.5
|
| (Sales) |
|
0.0
|
(2.1)
|
| Transfers into/(out of) level 3 |
|
0.0
|
0.0
|
| Defined Benefit Plan, Separation Allocation |
[1] |
(15.3)
|
|
| Fair value of plan assets at end of year |
|
0.0
|
15.3
|
| Real Estate [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Fair value of plan assets at beginning of year |
|
2.3
|
2.6
|
| Total gains or losses (unrealized / realized) |
|
0.0
|
0.3
|
| Purchases |
|
0.0
|
0.0
|
| (Sales) |
|
0.0
|
(0.6)
|
| Transfers into/(out of) level 3 |
|
0.0
|
0.0
|
| Defined Benefit Plan, Separation Allocation |
[1] |
(2.3)
|
|
| Fair value of plan assets at end of year |
|
0.0
|
2.3
|
| Private Equity Limited Partnerships [Member] | U.S. Multi-Strategy [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Fair value of plan assets at beginning of year |
|
7.3
|
7.6
|
| Total gains or losses (unrealized / realized) |
|
0.0
|
0.3
|
| Purchases |
|
0.0
|
0.3
|
| (Sales) |
|
0.0
|
(0.9)
|
| Transfers into/(out of) level 3 |
|
0.0
|
0.0
|
| Defined Benefit Plan, Separation Allocation |
[1] |
(7.3)
|
|
| Fair value of plan assets at end of year |
|
0.0
|
7.3
|
| Private Equity Limited Partnerships [Member] | International Multi-Strategy [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Fair value of plan assets at beginning of year |
|
4.6
|
5.0
|
| Total gains or losses (unrealized / realized) |
|
0.0
|
(0.1)
|
| Purchases |
|
0.0
|
0.1
|
| (Sales) |
|
0.0
|
(0.4)
|
| Transfers into/(out of) level 3 |
|
0.0
|
0.0
|
| Defined Benefit Plan, Separation Allocation |
[1] |
(4.6)
|
|
| Fair value of plan assets at end of year |
|
0.0
|
4.6
|
| Private Equity Limited Partnerships [Member] | Distressed Opportunities [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Fair value of plan assets at beginning of year |
|
1.0
|
1.2
|
| Total gains or losses (unrealized / realized) |
|
0.0
|
0.0
|
| Purchases |
|
0.0
|
0.0
|
| (Sales) |
|
0.0
|
(0.2)
|
| Transfers into/(out of) level 3 |
|
0.0
|
0.0
|
| Defined Benefit Plan, Separation Allocation |
[1] |
(1.0)
|
|
| Fair value of plan assets at end of year |
|
0.0
|
1.0
|
| Fixed Income Securities [Member] | Other Fixed Income [Member] | Significant Unobservable Inputs (Level 3) [Member] |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Fair value of plan assets at beginning of year |
|
0.1
|
0.0
|
| Total gains or losses (unrealized / realized) |
|
0.0
|
0.0
|
| Purchases |
|
0.0
|
0.1
|
| (Sales) |
|
0.0
|
0.0
|
| Transfers into/(out of) level 3 |
|
0.0
|
0.0
|
| Defined Benefit Plan, Separation Allocation |
[1] |
(0.1)
|
|
| Fair value of plan assets at end of year |
|
$ 0.0
|
$ 0.1
|
|
|