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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value) (Details) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative asset, fair value | $ 66.4 | $ 78.6 |
| Derivative liability, fair value | 15.3 | 13.2 |
|
Designated as Hedging Instrument [Member]
|
Ìý | Ìý |
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative asset, fair value | 13.1 | 16.2 |
| Derivative liability, fair value | 8.5 | 1.9 |
|
Not Designated as Hedging Instrument [Member]
|
Ìý | Ìý |
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative asset, fair value | 53.3 | 62.4 |
| Derivative liability, fair value | 6.8 | 11.3 |
|
Significant Other Observable Inputs (Level 2) [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Derivative Assets (Current) [Member]
|
Ìý | Ìý |
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative asset, fair value | 13.1 | 16.2 |
|
Significant Other Observable Inputs (Level 2) [Member] | Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Liabilities [Member]
|
Ìý | Ìý |
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative liability, fair value | 8.5 | 1.9 |
|
Market Approach [Member] | Managements Estimate Of 62% Fee [Member] | Significant Unobservable Inputs (Level 3) [Member] | Not Designated as Hedging Instrument [Member] | Provisional Pricing Arrangements [Member] | Derivative Assets (Current) [Member]
|
Ìý | Ìý |
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative asset, fair value | 3.9 | 3.5 |
|
Market Approach [Member] | Managements Estimate Of 62% Fee [Member] | Significant Unobservable Inputs (Level 3) [Member] | Not Designated as Hedging Instrument [Member] | Provisional Pricing Arrangements [Member] | Other Current Liabilities [Member]
|
Ìý | Ìý |
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative liability, fair value | 6.8 | 11.3 |
|
Market Approach [Member] | Hot-Rolled Steel Estimate [Member] | Significant Unobservable Inputs (Level 3) [Member] | Not Designated as Hedging Instrument [Member] | Customer Supply Agreement [Member]
|
Ìý | Ìý |
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative liability, fair value | ÌýÌý | ÌýÌý |
|
Market Approach [Member] | Hot-Rolled Steel Estimate [Member] | Significant Unobservable Inputs (Level 3) [Member] | Not Designated as Hedging Instrument [Member] | Customer Supply Agreement [Member] | Derivative Assets (Current) [Member]
|
Ìý | Ìý |
| Derivatives, Fair Value [Line Items] | Ìý | Ìý |
| Derivative asset, fair value | $ 49.4 | $ 58.9 |