Equity Narratives (Details) $ / shares in Units, $ in Millions |
3 Months Ended | 9 Months Ended |
|---|---|---|
|
Sep. 30, 2016
USD ($)
shares
|
Sep. 30, 2016
USD ($)
$ / shares
|
|
| Subsequent Event [Line Items] | ||
| Treasury Stock, Shares, Acquired | shares | 7,542,812 | |
| Treasury Stock, Value, Acquired, Par Value Method | $ 193.0 | |
| Treasury Stock Acquired, Average Cost Per Share | $ / shares | $ 25.59 | |
| Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 88.0 | $ 88.0 |