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COMMITMENTS, CONTINGENCIES AND OTHER MATTERS (Tables) | 12 Months Ended
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Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract] |
Future Minimum Annual Lease Payments for Capital Leases and Related and Third-Party Operating Leases | At December 31, 2017, the future minimum annual lease payments for capital and third-party operating leases were as follows (in millions):
| Capital Leases |  | Operating Leases |  | Total
2018 | $ | 0.1 |  |  | $ | 20.9 |  |  | $ | 21.0 |
2019 | 0.1 |  |  | 15.5 |  |  | 15.6 |
2020 | — |  |  | 14.2 |  |  | 14.2 |
2021 | — |  |  | 10.9 |  |  | 10.9 |
2022 | — |  |  | 9.6 |  |  | 9.6 |
2023-2027 | — |  |  | 38.3 |  |  | 38.3 |
2028-2032 | — |  |  | 17.2 |  |  | 17.2 |
Thereafter | — |  |  | — |  |  | — |
Total minimum lease payments | 0.2 |  |  | 126.6 |  |  | 126.8 |
Less: sublease rental income | — |  |  | 6.3 |  |  | 6.3 |
Lease obligation net of subleases | 0.2 |  |  | $ | 120.3 |  |  | $ | 120.5 |
Less: amount representing interest | — |  |  |  |  |  |  |
Present value of minimum capital lease payments (including current portion of $0.2M) | $ | 0.2 |  |  |  |  |  |  |

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- Definition Tabular disclosure of future minimum annual lease payments for capital leases and related and third-party operating leases. + References No definition available. + Details
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