v3.8.0.1

Debt - 6.625% Senior Notes (Details) - USD ($) $ in Millions |  | 9 Months Ended |
--- | --- | --- | ---
May 18, 2017 | Sep. 30, 2017 | Jun. 30, 2014
Senior Notes | 6.625% Senior Notes Due 2022 |  |  |
Debt |  |  |
Aggregate principal amount | $ 400.0 |  |
Stated interest rate (percent) | 6.625% |  |
Redemption price as a percentage of principal |  | 101.00% |
Consolidation, Wholly Owned Subsidiary, Parent Ownership Interest, Percentage | 100.00% |  |
Senior Notes | 6.625% Senior Notes Due 2022 | Redemption prior to May 15, 2019 via certain equity offerings |  |  |
Debt |  |  |
Redemption price as a percentage of principal | 100.00% |  |
Redemption price (percent) | 106.625% |  |
Senior Notes | 6.625% Senior Notes Due 2022 | Minimum | Redemption prior to May 15, 2019 via certain equity offerings |  |  |
Debt |  |  |
Remaining debt (percent) | 65.00% |  |
Senior Notes | 6.625% Senior Notes Due 2022 | Maximum | Redemption prior to May 15, 2019 via certain equity offerings |  |  |
Debt |  |  |
Redemption price as a percentage of principal | 35.00% |  |
Senior Notes | 8.5% Senior Notes Due 2019 |  |  |
Debt |  |  |
Aggregate principal amount |  |  | $ 200.0
Stated interest rate (percent) |  |  | 8.50%
Debt retired | $ 200.0 |  |
Senior Secured Credit Facility |  |  |
Debt |  |  |
Debt retired | $ 30.0 |  |

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