| **Long-term Debt - Table 2 (Details) $ in Millions** | Sep. 30, 2016 USD ($) |
|------------------------------------------------------|-----------------------|
| Face Amount [Member]                                 |                  |
| **Long-term Debt by Maturity**                       |                  |
| October 1 through December 31, 2016                  | $ 8.7                 |
| 2017                                                 | 37.3                  |
| 2018                                                 | 37.8                  |
| 2019                                                 | 40.4                  |
| 2020                                                 | 834.2                 |
| 2021                                                 | 10.7                  |
| Thereafter                                           | 2,108.0               |
| Total debt and capital lease obligations             | 3,077.1               |
| Net Amount [Member]                                  |                  |
| **Long-term Debt by Maturity**                       |                  |
| October 1 through December 31, 2016                  | 8.7                   |
| 2017                                                 | 37.3                  |
| 2018                                                 | 37.8                  |
| 2019                                                 | 40.4                  |
| 2020                                                 | 786.1                 |
| 2021                                                 | 10.7                  |
| Thereafter                                           | 2,089.8               |
| Total debt and capital lease obligations             | $ 3,010.8             |

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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal After Year Six
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Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Six
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No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of long-term debt and capital lease obligations including current maturities.
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No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Principal amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
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No definition available.
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Principal amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
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No definition available.
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Principal amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
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No definition available.
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Principal amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
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Amount of long-term debt and capital lease obligation maturing in the remainder of the fiscal year following the latest fiscal year ended.
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No definition available.
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