|
Income Taxes - Rate Reconciliation (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
| Rate Reconciliation [Abstract] | ||||
| Actual Income Tax Rate On Continuing Operations | (45.90%) | 35.90% | 9.80% | 33.20% |
| Foreign tax differential for legislatoin enacted | $ 2.8 | |||
| Medicare Prescription Drug Subsidy Non-cash Benefit | $ 21.0 | |||