|
PENSIONS AND OTHER POSTRETIREMENT BENEFITS (Fair Values of Pension 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 |
|
Pension 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 | 838.7 | 744.1 | 734.3 |
|
Equity Securities [Member] | U S Large Cap [Member] | Pension 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 | 231.1 | 191.1 | Ìý |
|
Equity Securities [Member] | U S Small Mid Cap [Member] | Pension 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 | 39.2 | 29.2 | Ìý |
|
Equity Securities [Member] | International [Member] | Pension 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 | 114.5 | 90.0 | Ìý |
|
Fixed Income Investments [Member] | Pension 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 | 247.5 | 231.1 | Ìý |
|
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 |
|
Hedge Funds [Member] | Pension 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 | 85.6 | 100.7 | Ìý |
|
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 |
|
Private Equity Funds [Member] | Pension 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 | 29.3 | 38.7 | Ìý |
|
Structured Finance [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 | 56.2 | 44.9 | 39.7 |
|
Structured Finance [Member] | Pension 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 | 56.2 | 44.9 | Ìý |
|
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 |
|
Real Estate [Member] | Pension 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 | 29.4 | 16.5 | Ìý |
|
Cash [Member] | Pension 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 | 5.9 | 1.9 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Pension 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 | 599.8 | 551.9 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | U S Large Cap [Member] | Pension 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 | 231.1 | 191.1 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | U S Small Mid Cap [Member] | Pension 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 | 39.2 | 29.2 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Equity Securities [Member] | International [Member] | Pension 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 | 114.5 | 90.0 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Fixed Income Investments [Member] | Pension 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 | 209.1 | 231.1 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Hedge Funds [Member] | Pension 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 | 0 | 0 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Private Equity Funds [Member] | Pension 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 | 0 | 8.6 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Structured Finance [Member] | Pension 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 | 0 | 0 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Real Estate [Member] | Pension 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 | 0 | 0 | Ìý |
|
Quoted Prices in Active Markets for Identical Assets/Liabilities (Level 1) [Member] | Cash [Member] | Pension 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 | 5.9 | 1.9 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Pension 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 | 38.4 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member] | U S Large Cap [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member] | U S Small Mid Cap [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member] | International [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Fixed Income Investments [Member] | Pension 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 | 38.4 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Hedge Funds [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Private Equity Funds [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Structured Finance [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Real Estate [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Other Observable Inputs (Level 2) [Member] | Cash [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Pension 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 | 200.5 | 192.2 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | U S Large Cap [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | U S Small Mid Cap [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member] | International [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Fixed Income Investments [Member] | Pension 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 | 0 | 0 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Hedge Funds [Member] | Pension 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 | 85.6 | 100.7 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Private Equity Funds [Member] | Pension 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 | 29.3 | 30.1 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Structured Finance [Member] | Pension 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 | 56.2 | 44.9 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Real Estate [Member] | Pension 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 | 29.4 | 16.5 | Ìý |
|
Significant Unobservable Inputs (Level 3) [Member] | Cash [Member] | Pension 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 | $ 0 | $ 0 | Ìý |