PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Fair Values of Other Benefit Plan Assets) (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
---|---|---|---|
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | $ 200.5 | $ 192.2 | $ 186.0 |
Hedge Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 85.6 | 100.7 | 105.8 |
Private Equity Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 29.3 | 30.1 | 25.0 |
Real Estate [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 29.4 | 16.5 | 15.5 |
Other Benefits [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 237.0 | 193.5 | 174.2 |
Other Benefits [Member] | Equity Securities [Member] | U S Large Cap [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 58.2 | 46.5 | Ìý |
Other Benefits [Member] | Equity Securities [Member] | U S Small Mid Cap [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 10.3 | 7.9 | Ìý |
Other Benefits [Member] | Equity Securities [Member] | International [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 32.3 | 26.8 | Ìý |
Other Benefits [Member] | Fixed Income Investments [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 78.1 | 64.9 | Ìý |
Other Benefits [Member] | Hedge Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 23.2 | 28.3 | Ìý |
Other Benefits [Member] | Private Equity Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 6.2 | 8.7 | Ìý |
Other Benefits [Member] | Structured Credit [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 12.5 | Ìý | Ìý |
Other Benefits [Member] | Real Estate [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 15.9 | 10.2 | Ìý |
Other Benefits [Member] | Cash [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0.3 | 0.2 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 179.2 | 148.2 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | U S Large Cap [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 58.2 | 46.5 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | U S Small Mid Cap [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 10.3 | 7.9 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | International [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 32.3 | 26.8 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Fixed Income Investments [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 78.1 | 64.9 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Hedge Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Private Equity Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 1.9 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Structured Credit [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | Ìý | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Real Estate [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Cash [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0.3 | 0.2 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member] | U S Large Cap [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member] | U S Small Mid Cap [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member] | International [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Fixed Income Investments [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Hedge Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Private Equity Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Structured Credit [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | Ìý | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Real Estate [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Other Observable Inputs (Level 2) [Member] | Cash [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 57.8 | 45.3 | 28.9 |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | U S Large Cap [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | U S Small Mid Cap [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | International [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Fixed Income Investments [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 0 | 0 | Ìý |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Hedge Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 23.2 | 28.3 | 24.0 |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Private Equity Funds [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 6.2 | 6.8 | 4.9 |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Structured Credit [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 12.5 | 0 | Ìý |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Real Estate [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | 15.9 | 10.2 | 0 |
Other Benefits [Member] | Significant Unobservable Inputs (Level 3) [Member] | Cash [Member]
|
Ìý | Ìý | Ìý |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | Ìý | Ìý | Ìý |
Fair value of plan assets | $ 0 | $ 0 | Ìý |