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Investments In and Advances to Nonconsolidated Affiliates - Table 1 (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Investments in and Advances to Affiliates, Schedule of Investments [Abstract] |  |  |  |
Net operating revenues | $ 10.5 | $ 10.4 | $ 21.5 | $ 21.2
Operating expenses | (5.6) | (6.0) | (13.2) | (12.1)
Income from continuing operations, net of tax | 4.9 | 4.4 | 8.3 | 9.0
Net income | $ 4.9 | $ 4.4 | $ 8.3 | $ 9.0

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