|
Income Taxes - Additional Information (Details) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Current taxes receivable | $ 1.6 | $ 0.7 |
| Deferred tax liability | $ 84.9 | $ 68.0 |