|
Nature of Operations and Significant Accounting Policies - Immaterial Correction of an Error (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Jun. 30, 2013
|
Mar. 31, 2013
|
|
| Accounting Policies [Abstract] | ||
| Reconciling amounts related to immaterial corrections of errors | $ 8.4 | $ 15.7 |