|
Statements of Consolidated Comprehensive Income (Parenthetical) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
|
| Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax | $ (1.7) | $ 0.2 | $ (1.8) | $ (1.8) |
| Other Comprehensive Income Increase Decrease In Unrealized Gain Loss On Derivatives Arising During Period Tax | 0.3 | 0.6 | 0.9 | 1.2 |
| Change In Unrecognized Pension Benefit And OPEB Costs Tax | $ 1.8 | $ 0.3 | $ 3.5 | $ 0.8 |