Debt - Schedule of the Company's Debt (Details) - USD ($) $ in Millions |
Dec. 31, 2016 |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|---|
| Debt Instrument [Line Items] | |||
| Other | $ 0.0 | $ 8.8 | |
| Unamortized debt issuance costs | (11.3) | 0.0 | |
| Total debt | 587.0 | 8.8 | |
| Less: current portion | 0.0 | (8.8) | |
| Long-term debt (Note 13) | 587.0 | 0.0 | |
| 8.25% Senior Notes Due October 15, 2024 | |||
| Debt Instrument [Line Items] | |||
| Senior notes | 300.0 | $ 300.0 | 0.0 |
| Senior Secured Term Loan B Facility | |||
| Debt Instrument [Line Items] | |||
| Credit facility | $ 298.3 | $ 0.0 |