| **Income Taxes - Table (Details) $ in Millions**                                                                     | 9 Months Ended |
|----------------------------------------------------------------------------------------------------------------------|----------------|
||
| **Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]** |           |
| Balance at December 31, 2015                                                                                         | $ 2.9          |
| Gross amount of increases in unrecognized tax benefits related to prior periods                                      | 0.3            |
| Gross amount of decreases in unrecognized tax benefits related to prior periods                                      | (0.4)          |
| Gross amount of increases in unrecognized tax benefits related to current periods                                    | 0.1            |
| Gross amount of decreases in unrecognized tax benefits related to current periods                                    | (0.1)          |
| Balance at September 30, 2016                                                                                        | $ 2.8          |

| X                                                                                                                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
+ References
No definition available.
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| - Definition
Amount of unrecognized tax benefits.
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Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.
+ References
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| - Definition
Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.
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