|
Change in Accounting Principle (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended |
|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2012
|
|
| Change in Accounting Principle (Textual) [Abstract] | ||
| Costs related to acquisition | $ 9.3 | $ 19.0 |
| Change in Accounting Principle (Additional Textual) [Abstract] | ||
| Net result of adoption of new accounting policy | 0.8 | 1.5 |
|
Previous Accounting Guidance [Member]
|
||
| Change in Accounting Principle (Textual) [Abstract] | ||
| Costs related to acquisition | 8.8 | 17.5 |
|
Impact of Change in Accounting Principle [Member]
|
||
| Change in Accounting Principle (Textual) [Abstract] | ||
| Costs related to acquisition | $ 0.6 | $ 1.5 |