Debt (Schedule of Redemption Price) (Details) - Senior Notes - Senior Notes Due 2023 |
Apr. 14, 2015 |
|---|---|
| 2018 | |
| Debt Instrument, Redemption [Line Items] | |
| Redemption Price | 105.156% |
| 2019 | |
| Debt Instrument, Redemption [Line Items] | |
| Redemption Price | 103.438% |
| 2020 | |
| Debt Instrument, Redemption [Line Items] | |
| Redemption Price | 101.719% |
| 2021 and thereafter | |
| Debt Instrument, Redemption [Line Items] | |
| Redemption Price | 100.00% |