Supplemental Financial Information (Narrative) (Details) |
3 Months Ended | ||
---|---|---|---|
Mar. 31, 2017 |
Dec. 31, 2016 |
Mar. 31, 2013 |
|
Schedule Of Supplemental Financial Information [Line Items] | |||
Ownership percentage | 100.00% | ||
Senior Subordinated 6.25% Notes | |||
Schedule Of Supplemental Financial Information [Line Items] | |||
Senior Subordinated Notes, interest rate | 6.25% | 6.25% | 6.25% |