|
ENVIRONMENTAL (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Dec. 31, 2011
|
|
| Environmental Remediation Obligations [Abstract] | |||||
| Reserves for future environmental expenditures-total | $ 150.5 | $ 164.6 | $ 150.5 | $ 164.6 | $ 163.3 |
| Reserves for environmental expenditures-noncurrent | 119.5 | 136.6 | 119.5 | 136.6 | 132.3 |
| Environment provisions charged (credited) to income [Abstract] | |||||
| Charges to income | 3.6 | 4.0 | 6.8 | 13.9 | |
| Recoveries From Third Parties Of Costs Incurred And Expensed In Prior Periods | 0 | (1.5) | (0.1) | (11.0) | |
| Total environmental expense | $ 3.6 | $ 2.5 | $ 6.7 | $ 2.9 | |