Commitments And Contingencies Licensor Expense Reimbursement (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Commitment To Reimburse Licensor [Member] | ||||
| Other Commitments [Line Items] | ||||
| Payments for licensor expense reimbursement | $ 5.0 | $ 1.1 | $ 16.0 | $ 3.9 |